2017A&A...607A..48R


Query : 2017A&A...607A..48R

2017A&A...607A..48R - Astronomy and Astrophysics, volume 607A, 48-48 (2017/11-1)

An HST/COS legacy survey of high-velocity ultraviolet absorption in the Milky Way's circumgalactic medium and the Local Group.

RICHTER P., NUZA S.E., FOX A.J., WAKKER B.P., LEHNER N., BEN BEKHTI N., FECHNER C., WENDT M., HOWK J.C., MUZAHID S., GANGULY R. and CHARLTON J.C.

Abstract (from CDS):

Context. The Milky Way is surrounded by large amounts of diffuse gaseous matter that connects the stellar body of our Galaxy with its large-scale Local Group (LG) environment.
Aims. To characterize the absorption properties of this circumgalactic medium (CGM) and its relation to the LG we present the so-far largest survey of metal absorption in Galactic high-velocity clouds (HVCs) using archival ultraviolet (UV) spectra of extragalactic background sources. The UV data are obtained with the Cosmic Origins Spectrograph (COS) onboard the Hubble Space Telescope (HST) and are supplemented by 21cm radio observations of neutral hydrogen.
Methods. Along 270 sightlines we measure metal absorption in the lines of SiII, SiIII, CII, and CIV and associated HI 21cm emission in HVCs in the velocity range |vLSR|=100-500km/s. With this unprecedented large HVC sample we were able to improve the statistics on HVC covering fractions, ionization conditions, small-scale structure, CGM mass, and inflow rate. For the first time, we determine robustly the angular two point correlation function of the high-velocity absorbers, systematically analyze antipodal sightlines on the celestial sphere, and compare the HVC absorption characteristics with that of damped Lyman α absorbers (DLAs) and constrained cosmological simulations of the LG (CLUES project).
Results. The overall sky-covering fraction of high-velocity absorption is 77±6 percent for the most sensitive ion in our survey, SiIII, and for column densities log N(SiIII)≥12.1. This value is ∼4-5 times higher than the covering fraction of 21cm neutral hydrogen emission at log N(HI)≥18.7 along the same lines of sight, demonstrating that the Milky Way's CGM is multi-phase and predominantly ionized. The measured equivalent-width ratios of SiII, SiIII, CII, and CIV are inhomogeneously distributed on large and small angular scales, suggesting a complex spatial distribution of multi-phase gas that surrounds the neutral 21cm HVCs. We estimate that the total mass and accretion rate of the neutral and ionized CGM traced by HVCs is MHVC≥3.0x109M and dMHVC/dt≥6.1M/yr, where the Magellanic Stream (MS) contributes with more than 90 percent to this mass/mass-flow.If seen from an external vantage point, the Milky Way disk plus CGM would appear as a DLA that would exhibit for most viewing angles an extraordinary large velocity spread of Δv~=400-800km/s, a result of the complex kinematics of the Milky Way CGM that is dominated by the presence of the MS. We detect a velocity dipole of high-velocity absorption at low/high galactic latitudes that we associate with LG gas that streams to the LG barycenter. This scenario is supported by the gas kinematics predicted from the LG simulations.
Conclusions. Our study confirms previous results, indicating that the Milky Way CGM contains sufficient gaseous material to feed the Milky Way disk over the next Gyr at a rate of a few solar masses per year, if the CGM gas can actually reach the MW disk. We demonstrate that the CGM is composed of discrete gaseous structures that exhibit a large-scale kinematics together with small-scale variations in physical conditions. The MS clearly dominates both the cross section and mass flow of high-velocity gas in the Milky Way's CGM. The possible presence of high-velocity LG gas underlines the important role of the local cosmological environment in the large-scale gas-circulation processes in and around the Milky Way.

Abstract Copyright: © ESO, 2017

Journal keyword(s): Galaxy: halo - Galaxy: structure - Galaxy: evolution - ISM: kinematics and dynamics - techniques: spectroscopic - ultraviolet: ISM - ultraviolet: ISM

VizieR on-line data: <Available at CDS (J/A+A/607/A48): tablea1.dat tablea2.dat tablea4.dat>

CDS comments: Table A.4 J00057-5007 not identified.

Simbad objects: 333

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Number of rows : 333
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 GD 1332 QSO 00 00 24.4153881655 -12 45 47.804132053   16.3       ~ 28 1
2 NAME WLM Galaxy G 00 01 57.9 -15 27 50   11.50 11.10 10.93   ~ 603 2
3 LEDA 407 Sy1 00 05 43.0770285802 -50 06 54.880030260   12.9   15.42   ~ 24 0
4 2E 12 Sy1 00 05 59.2379634379 +16 09 49.023089304   16.51 16.40     ~ 272 1
5 Mrk 335 Sy1 00 06 19.5371542746 +20 12 10.617456059   14.19 13.85     ~ 1147 0
6 2MASX J00122399-1022269 Sy1 00 12 24.0233964115 -10 22 26.552087384   17.59 17.25     ~ 50 0
7 IC 10 G 00 20 23.16 +59 17 34.7   13.6 9.5     ~ 1040 0
8 NAME Cetus Dwarf Galaxy G 00 26 10.8 -11 03 14     13.2     ~ 214 0
9 LEDA 1790 Sy1 00 29 13.7012280721 +13 16 03.946876800   15.70 15.41     ~ 406 0
10 NAME Magellanic Stream HVC 00 32 -30.0           ~ 855 1
11 NGC 147 GiG 00 33 12.120 +48 30 31.46   12.0 9.5     ~ 639 1
12 NAME Andromeda III G 00 35 22.7 +36 30 17     14.4     ~ 281 0
13 LEDA 3095439 Sy1 00 36 23.0045982246 +43 16 40.144133040   17.2       ~ 15 0
14 ESO 350-38 AGN 00 36 52.489 -33 33 17.23   14.31 14.41 13.49   ~ 309 0
15 NGC 185 Sy2 00 38 57.970 +48 20 14.56   9.10 9.2     ~ 748 1
16 M 110 GiG 00 40 22.0544552438 +41 41 07.496294862   8.92 8.07     ~ 1241 1
17 PB 8488 QSO 00 42 22.2910586608 -10 37 43.823652636   16.83 16.61     ~ 37 0
18 M 32 IG 00 42 41.825 +40 51 54.61 9.51 9.03 8.08     ~ 2053 2
19 M 31 G 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 11490 1
20 GRB 070201 gB 00 44.3 +42 18           ~ 45 0
21 NAME Andromeda I G 00 45 39.8 +38 02 28   13.9 12.7     ~ 316 0
22 2MASS J00481898+3941116 Sy1 00 48 18.9833315944 +39 41 11.720719092   16.2       ~ 49 0
23 NAME SGP reg 00 51 26.275 -27 07 41.70           ~ 526 0
24 NAME Andromeda IX G 00 52 53.0 +43 11 45     16.3     ~ 156 1
25 LEDA 87814 Sy1 00 58 37.3829859140 -36 06 04.950912106   14.9 14.90 15.0   ~ 83 0
26 LEDA 3095485 Sy1 01 00 27.0974105988 -51 13 54.100963840   16.48 15.4 15.17   ~ 46 0
27 2MASS J01013117+4229356 Sy1 01 01 31.1690801863 +42 29 35.586681108   16.7       ~ 17 0
28 NAME Pisces I G 01 03 56.6 +21 53 41   16.18 14.3     ~ 368 0
29 IC 1613 GiC 01 04 54.2 +02 08 00   10.42 10.01 9.77   ~ 1141 2
30 LBQS 0107-0235 QSO 01 10 13.1605010207 -02 19 52.838365692   18.39 17.80 17.61   ~ 80 1
31 NAME Andromeda V G 01 10 17.1 +47 37 41     15.3     ~ 195 0
32 NAME Andromeda II G 01 16 29.8 +33 25 09     11.7     ~ 357 0
33 2MASS J01193569-2821314 Sy1 01 19 35.6919706175 -28 21 31.421837195   18.13 16.3 16.58   ~ 50 0
34 Ton S 210 QSO 01 21 51.5135355520 -28 20 57.802649318   15.38 15.19     ~ 88 0
35 QSO B0120-28 QSO 01 22 36.7682338442 -28 43 21.540163420   16.5 15.71     ~ 24 0
36 ESO 113-45 Sy1 01 23 45.7630391439 -58 48 20.811630442   14.08 13.83 13.34   ~ 799 0
37 M 33 GiG 01 33 50.904 +30 39 35.79 6.17 6.27 5.72     ~ 5357 1
38 NAME Phoenix Dwarf Galaxy Sy1 01 51 06.3 -44 26 41   13.48 13.2 12.69   ~ 486 2
39 [VV2000] J015513.2-450612 QSO 01 55 13.2178793125 -45 06 11.577605988   15.1       ~ 40 0
40 2MASS J01553002-0857040 Sy1 01 55 30.0258117157 -08 57 04.129972505   17.26 17.02 16.89   ~ 57 0
41 HVC 130+01-161 HVC 01 55.9 +60 38           ~ 52 0
42 Mrk 1014 Sy1 01 59 50.2529351498 +00 23 40.874250335   16.08 15.87     ~ 529 0
43 QSO J0159+1345 QSO 01 59 52.9623386094 +13 45 54.410091805   18.17 18.07     ~ 25 0
44 ICRF J020157.1-113233 Sy1 02 01 57.1798202842 -11 32 33.436998341   16.54 16.40 16.073   ~ 201 1
45 ICRF J020213.6-762003 Sy1 02 02 13.6940093296 -76 20 03.062346923   16.95 16.90     ~ 95 1
46 [VV2006] J020930.8-043827 QSO 02 09 30.7663695306 -04 38 26.145159788   17.5       ~ 50 0
47 3C 66A BLL 02 22 39.6111630878 +43 02 07.797284539   15.71 15.21 14.5   ~ 820 1
48 QSO J0226+0015 QSO 02 26 14.4683552796 +00 15 29.790703005   17.28 17.10     ~ 29 0
49 HE 0226-4110 Sy1 02 28 15.2391451958 -40 57 14.763446404   17.68 15.2 16.22   ~ 122 1
50 Mrk 1044 Sy1 02 30 05.5224714146 -08 59 53.208069457   14.74 14.29 13.981 13.585 ~ 238 0
51 4C -04.06 QSO 02 35 07.3417120791 -04 02 05.319157399   16.61 16.46 16.2   ~ 194 1
52 NAME Fornax Dwarf Spheroidal G 02 39 59.3 -34 26 57   9.02 7.4     ~ 1566 1
53 QSO B0238-1904 QSO 02 40 32.5842021129 -18 51 51.373815629     15.00     ~ 49 0
54 Mrk 595 Sy1 02 41 34.8733940160 +07 11 13.852220981   15.46 14.69     ~ 113 0
55 QSO J0242-0759 QSO 02 42 50.8575251399 -07 59 14.226037813   17.36 17.19     ~ 34 1
56 LEDA 10293 Sy1 02 43 09.6128590493 -72 16 48.432281446 15.43 16.34 15.86 16.14   ~ 20 0
57 [VV2006] J024500.8-300723 QSO 02 45 00.7779786792 -30 07 22.371555057   19.414 18.28 19.335   ~ 9 0
58 LB 2845 QSO 02 59 37.4643867588 +00 37 36.377346990   16.79 16.72     ~ 68 0
59 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 6046 1
60 ESO 31-8 Sy1 03 07 35.3443011815 -72 50 02.595498156   15.11 14.98 14.58   ~ 47 0
61 [PBT2001] SBSG 0335-052 W G 03 37 38.40 -05 02 37.5   19.14     18.85 ~ 100 1
62 QSO J0401-0540 QSO 04 01 48.9807303403 -05 40 56.560549957   16.7 17.01 16.6   ~ 34 0
63 PKS 0405-123 Sy1 04 07 48.4309594137 -12 11 36.660481492   15.09 14.86 14.7   ~ 481 1
64 NAME NGC 1566 Group GrG 04 20 00.6 -54 56 17           ~ 136 0
65 LB 1727 Sy1 04 26 00.7188445954 -57 12 01.772037544 13.68 14.58 14.37 14.8   ~ 245 0
66 [VV2000] J043650.8-525849 QSO 04 36 50.8453545254 -52 58 48.019841035     16.40     ~ 22 0
67 LEDA 3095694 Sy1 04 38 29.1942159073 -61 47 58.978420291   17.82 16.56 16.63   ~ 24 0
68 [VV98] J043938.7-531131 Sy1 04 39 38.7158844487 -53 11 31.246585806     16.2     ~ 42 0
69 [VV2000] J044011.9-524818 QSO 04 40 12.0483632663 -52 48 17.513621270     16.10     ~ 26 0
70 QSO J0441-4313 QSO 04 41 17.3385473794 -43 13 45.487081188   16.64 16.36 16.54 16.26 ~ 99 1
71 ESO 421-19 G 04 49 12.1 -29 12 27   13.43 12.54 12.38 12.8 ~ 33 0
72 6dFGS gJ050304.0-663346 Sy1 05 03 03.968 -66 33 45.60   13.9   14.5   ~ 34 0
73 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 15597 1
74 NAME Gal Anticenter reg 05 46 +28.9           ~ 786 0
75 2MASS J05522451-6402108 Sy1 05 52 24.5027349529 -64 02 10.759884103     15.04     ~ 38 1
76 QSO B0558-5026 BLL 05 59 47.3917733375 -50 26 52.026945176   15.18 14.97     ~ 256 1
77 [VV98] J062309.1-643624 BLL 06 23 07.6967637429 -64 36 20.719136879   17.06 14.80 13.59   ~ 77 0
78 QSO J0635-7516 QSO 06 35 46.5080299 -75 16 16.815501   15.96 15.75 15.82   ~ 532 1
79 NAME Carina dSph G 06 41 36.7 -50 57 58   22.14 11.0 19.47   ~ 1042 0
80 [VV98] J071436.2+740811 QSO 07 14 36.1252076135 +74 08 10.143846210     17.10     ~ 33 1
81 QSO B0713+745 QSO 07 19 50.8383574286 +74 27 57.072740848   17.0 17.0     ~ 26 0
82 QSO B0748+295 QSO 07 51 12.3037392178 +29 19 38.280101321   16.28 16.18     ~ 52 0
83 QSO J0808+0514 BLL 08 08 38.8499 +05 14 40.000   18.72 18.53     ~ 25 0
84 [VV2006] J080908.1+461925 QSO 08 09 08.1368585497 +46 19 25.571615204   16.83 16.72     ~ 39 0
85 QSO J0820+2334 QSO 08 20 24.2211128975 +23 34 50.451518259   17.87 17.74     ~ 25 0
86 2MFGC 6625 EmG 08 23 54.9669334368 +28 06 21.605409814   15.5       ~ 59 0
87 [VV2000] J082633.5+074248 QSO 08 26 33.5092361257 +07 42 48.413118150   17.31 16.99     ~ 32 0
88 QSO B0832+2510 QSO 08 35 35.8060255677 +24 59 40.185975439   16.30 16.00     ~ 57 0
89 NAME HVC Complex A HVC 08 36 +64.4           ~ 119 0
90 [VV2006] J084349.5+411741 QSO 08 43 49.4976449374 +41 17 41.598281988   17.66 17.41     ~ 36 1
91 MCG+13-07-002 Sy1 08 44 45.3000235915 +76 53 09.466820353     15.7     ~ 176 0
92 Ton 951 Sy1 08 47 42.4487014731 +34 45 04.483113429   14.83 14.50     ~ 434 0
93 2MASS J08525922+0313207 Sy1 08 52 59.2208420603 +03 13 20.633305853   16.59 16.37     ~ 37 0
94 SHOC 240 H2G 09 07 04.888 +53 26 56.60           ~ 26 0
95 Ton 1009 QSO 09 09 06.1817850840 +32 36 30.197389267   17.55 17.38     ~ 30 0
96 2MASS J09123540+2957252 QSO 09 12 35.4244347418 +29 57 25.468187322   18.21 17.97     ~ 18 0
97 QSO J0914+0837 QSO 09 14 31.7770923748 +08 37 42.772280257   17.53 17.32     ~ 26 0
98 QSO J0914+2823 QSO 09 14 40.3893443424 +28 23 30.632427766   17.5 18.10 17.6   ~ 32 0
99 Mrk 106 Sy1 09 19 55.3490445149 +55 21 37.127610378   16.34 16.15     ~ 110 0
100 [VV2006] J092554.5+453544 QSO 09 25 54.4407292844 +45 35 44.426408169   17.97 17.75     ~ 36 0
101 Ton 1057 Sy1 09 25 54.7143564689 +19 54 05.065773105   16.02 15.89     ~ 157 0
102 LARS 14 EmG 09 26 00.4041863336 +44 27 36.112149583           ~ 61 0
103 SBSG 0924+606B Sy1 09 28 37.9890360592 +60 25 21.019960119   17.53 17.20     ~ 73 1
104 2MASS J09290979+4644240 Sy1 09 29 09.7920854587 +46 44 24.057254508   16.66 16.49     ~ 45 0
105 QSO J0930+2848 QSO 09 30 01.9066017210 +28 48 58.389917972   18.43 18.36 18.2   ~ 25 0
106 QSO J0931+2628 QSO 09 31 16.7081695412 +26 28 47.466168433   18.29 18.07     ~ 23 0
107 4C 02.27 QSO 09 35 18.1943431119 +02 04 15.564759828   17.31 17.16     ~ 107 1
108 9C J0936+3207 QSO 09 36 03.8850959988 +32 07 09.346528180   17.84 17.44 17.29   ~ 31 1
109 QSO J0937+1700 QSO 09 37 06.8620397728 +17 00 21.531907842   18.36 18.23     ~ 14 0
110 QSO J0943+0531 QSO 09 43 31.6146386142 +05 31 31.475492151   17.50 17.30     ~ 43 0
111 LEDA 3095898 Sy1 09 47 33.2202200272 +10 05 08.795765859   17.30 17.09     ~ 36 0
112 QSO B0946+3916 QSO 09 49 52.9154374536 +39 02 03.943926817   16.92 16.83     ~ 38 0
113 QSO B0946+487 QSO 09 50 00.7415496103 +48 31 29.337328558   17.56 17.47     ~ 58 0
114 2MASSI J0951239+354248 Sy1 09 51 23.9268114253 +35 42 48.949912615   18.22 18.16     ~ 29 0
115 M 81 Sy2 09 55 33.17306143 +69 03 55.0609270   7.89 6.94     ~ 4095 5
116 2MASS J09563013-0453170 Sy1 09 56 30.1412641332 -04 53 17.159517028   17.10 16.40 16.20   ~ 19 0
117 PG 0953+414 Sy1 09 56 52.3930851607 +41 15 22.212153978 14.710 15.611 15.546 15.294 14.720 ~ 426 0
118 QSO J0959+3203 QSO 09 59 14.8563392795 +32 03 57.313936271   17.29 17.22     ~ 22 0
119 2MASS J09591566+0503552 Sy1 09 59 15.6575685817 +05 03 55.115180576   17.58 17.32     ~ 31 0
120 NAME Leo Dwarf Irregular Galaxy G 09 59 26.46 +30 44 47.0 14.08 13.54 13.26 13.33   ~ 564 0
121 NAME Sextans B H2G 10 00 00.8201300945 +05 20 09.572530884 12.77 12.25 11.89 11.71   ~ 488 0
122 QSO J1001+5944 QSO 10 01 02.5505167414 +59 44 14.375860747   16.44 16.27     ~ 46 0
123 9C J1001+2911 BLL 10 01 10.2057876416 +29 11 37.536435888   19.00 18.34 16.39   ~ 78 1
124 QSO J1002+3240 QSO 10 02 54.5216569893 +32 40 39.020327441   17.0 16.76     ~ 40 0
125 NGC 3109 G 10 03 06.877 -26 09 34.46 11.10 10.42 10.04 9.91   ~ 714 2
126 NAME Antlia Dwarf Galaxy G 10 04 03.9 -27 20 01 16.73 15.69 15.17 15.00   ~ 200 1
127 [VV2000] J100535.2+013444 QSO 10 05 35.2475686493 +01 34 45.713245906   17.21 16.89     ~ 41 0
128 NAME NGC 3125-1 Cl* 10 06 33.29 -29 56 07.8           ~ 18 0
129 NGC 3125 H2G 10 06 33.318 -29 56 07.32 13.03 13.45 13.00 12.50 13.4 ~ 219 1
130 HVC 212+24+89 HVC 10 07.3 -12 16           ~ 16 0
131 4C 13.41 Sy1 10 07 26.0965727406 +12 48 56.188170981   15.81 15.68     ~ 381 2
132 NAME Leo I dSph G 10 08 28.12 +12 18 23.4   11.3 10.0     ~ 1102 1
133 Ton 488 Sy1 10 10 00.6873168839 +30 03 21.577466544   17.35 17.00     ~ 61 0
134 NAME Sex A H2G 10 11 00.5 -04 41 30 12.48 12.13 11.93 11.78   ~ 675 2
135 NAME Dwarf Elliptical Galaxy in Sex G 10 13 02.9 -01 36 53   12 10.4     ~ 758 0
136 2MASS J10131797+0500342 Sy1 10 13 17.9821692136 +05 00 34.132171698   18.24 18.02     ~ 27 0
137 QSO B1011-040 Sy1 10 14 20.6737918236 -04 18 40.372348306   15.49 15.5     ~ 124 0
138 WV 21 Cld 10 22 +28.3           ~ 2 0
139 LBQS 1019+0147 QSO 10 22 18.9949610570 +01 32 18.808374473   16.98 16.82     ~ 41 0
140 SDSS J102548.38+362258.4 G 10 25 48.3914956297 +36 22 58.470045114           ~ 15 0
141 QSO B1028+511 BLL 10 31 18.5251431722 +50 53 35.821637845   17.25 16.98 16.3   ~ 164 1
142 LEDA 2383543 Sy1 10 32 16.1338770090 +50 51 19.688053970   18.20 17.98     ~ 46 0
143 2MASS J10330482+2112161 Sy1 10 33 04.8715346090 +21 12 16.237557994   19.05 18.79     ~ 14 0
144 SDSS J104709.83+130454.6 QSO 10 47 09.8385930910 +13 04 54.584411545   18.67 18.56     ~ 17 0
145 NAME HVC Complex M HVC 10 48.2 +48 00           ~ 73 0
146 QSO J1051+1247 QSO 10 51 25.7287914730 +12 47 46.258159007   18.12 17.88     ~ 28 0
147 QSO B1048+342 Sy1 10 51 43.8919513785 +33 59 26.686941538   17.11 16.79     ~ 169 0
148 PG 1049-005 Sy1 10 51 51.4474876950 -00 51 17.709169017   15.98 15.78     ~ 159 0
149 QSO J1059+0519 QSO 10 59 10.8916974835 +05 19 35.458924976   17.90 17.66     ~ 24 0
150 QSO J1059+1441 QSO 10 59 45.2327142168 +14 41 42.898439593   17.37 17.18     ~ 25 0
151 QSO J1059+1211 QSO 10 59 56.1427014827 +12 11 51.141960350   18.00 17.72     ~ 22 0
152 2MASS J10595880+2517089 QSO 10 59 58.8144271693 +25 17 08.866015237   17.82 17.71     ~ 18 0
153 2E 2370 Sy1 11 00 47.8535719129 +10 46 13.167558123   18.95 18.85     ~ 100 1
154 2MASS J11031293+4141549 Sy1 11 03 12.9339502917 +41 41 54.958518075   17.04 16.76     ~ 33 1
155 CTS 10 Sy1 11 03 31.5267293120 -32 51 16.692763487   16.29 16.30 16.4   ~ 107 1
156 2A 1058-226 BLL 11 03 37.6150843895 -23 29 31.202114088   17.00 16.55 16.61   ~ 335 2
157 Ton 52 QSO 11 04 06.9369550115 +31 41 11.527831286   17.46 17.26     ~ 36 0
158 Mrk 421 BLL 11 04 27.3139210166 +38 12 31.798324828   13.50 12.90 8.31   ~ 2474 1
159 Ton 1329 QSO 11 05 39.8135767806 +34 25 34.684245994   16.02 15.89     ~ 48 0
160 NGC 3516 Sy1 11 06 47.4596406816 +72 34 07.189563769   13.12 12.40     ~ 1450 0
161 SDSS J111244.05+550347.0 G 11 12 44.0495679102 +55 03 47.057146406           ~ 11 0
162 NAME Leo B G 11 13 28.13 +22 09 10.1   12.9 12.0     ~ 773 0
163 QSO B1112+4306 QSO 11 15 06.0153960875 +42 49 48.842779876   17.77 17.59     ~ 48 0
164 Ton 576 Sy1 11 17 54.3258589805 +26 34 16.601128908   17.23 17.07     ~ 29 0
165 LEDA 34570 Sy1 11 18 30.2896275867 +40 25 54.069567643   16.34 16.21     ~ 199 0
166 [H68] WD HVC 11 19 -45.9           ~ 11 0
167 Ton 1388 Sy1 11 19 08.6786143504 +21 19 17.986556889   14.91 14.80     ~ 429 0
168 QSO J1120+0413 QSO 11 20 04.9972115530 +04 13 23.359374463   17.49 17.32     ~ 24 0
169 QSO J1122+0318 QSO 11 22 24.1471716360 +03 18 02.674805288   18.00 17.78     ~ 26 0
170 QSO J1122+5755 QSO 11 22 44.8870743927 +57 55 43.095845457   17.92 17.64     ~ 31 0
171 2MASS J11243917+4201450 Sy1 11 24 39.1798727783 +42 01 45.013639656   16.45 16.28     ~ 139 0
172 SBSG 1123+594A QSO 11 25 53.7897157999 +59 10 21.551797488   17.02 16.80     ~ 55 0
173 LB 10203 Sy1 11 27 36.3878313918 +26 54 50.571152960   17.0 17.0     ~ 36 0
174 Mrk 1298 Sy1 11 29 16.7289412438 -04 24 07.245397091   14.97 14.61     ~ 181 1
175 Ton 580 Sy1 11 31 09.4822135528 +31 14 05.506427771   16.22 16.05 15.8   ~ 135 1
176 QSO J1133+0327 QSO 11 33 27.7853369704 +03 27 19.291014177   17.80 17.74     ~ 42 0
177 2MASS J11345760+2555279 QSO 11 34 57.6248616898 +25 55 27.891343913   16.5 17.13 17.0   ~ 21 0
178 NGC 3783 Sy1 11 39 01.7095761008 -37 44 19.008597647   12.46 13.43 11.33 12.1 ~ 1520 0
179 NAME Crt A Sy1 11 39 10.7024704226 -13 50 43.638984127   16.38 16.17 16.4   ~ 254 1
180 2E 2503 Sy1 11 39 57.0253396181 +65 47 49.482487703   16.50 16.32     ~ 497 1
181 QSO B1139+305 QSO 11 42 12.3216954429 +30 16 13.316800634   17.48 17.31     ~ 25 0
182 SDSS J114422.28+401221.1 G 11 44 22.286 +40 12 21.18           ~ 13 0
183 LB 2126 QSO 11 51 20.4599330347 +54 37 33.049735861   16.03 15.78     ~ 146 0
184 QSO J1155+2922 QSO 11 55 52.7986186273 +29 22 38.437056559   18.39 18.32     ~ 15 0
185 2MASS J11575874-0022208 Sy1 11 57 58.7280127535 -00 22 20.903141806   17.65 17.27     ~ 52 0
186 [VV96] J120158.8-135459 QSO 12 01 58.7447820746 -13 54 59.645602778   17.2 17.2     ~ 14 0
187 NGC 4051 Sy1 12 03 09.6098828919 +44 31 52.693714606   11.08 12.92 9.94   ~ 2051 1
188 LEDA 38224 Sy1 12 04 42.1097577213 +27 54 11.867990165   15.64 15.60     ~ 361 0
189 ESO 267-13 G 12 04 52.863 -43 43 53.77   14.18   12.93 13.4 ~ 29 0
190 4C 10.34 QSO 12 05 56.0870965621 +10 42 53.875242292   17.55 17.29     ~ 58 1
191 2MASS J12072101+2624292 QSO 12 07 20.9951422741 +26 24 29.094831204   17.67 17.45     ~ 14 0
192 QSO J1208+4540 QSO 12 08 58.0106507296 +45 40 35.422302500   16.00 15.70     ~ 180 0
193 7C 1208+3213 Sy1 12 10 37.5725267804 +31 57 06.020132087   16.91 16.68     ~ 80 1
194 2MASS J12111454+3657395 Sy1 12 11 14.5641470315 +36 57 39.515047736   17.10 16.78     ~ 30 0
195 PB 3894 Sy1 12 14 17.6737003918 +14 03 13.182526431   14.46 14.19     ~ 766 0
196 LBQS 1211+0841 QSO 12 14 30.5540199365 +08 25 08.128788272   17.26 17.17     ~ 35 0
197 2MASS J12164057+0712244 QSO 12 16 40.5694525641 +07 12 24.225575431   16.95 16.91     ~ 26 0
198 LBQS 1214+0826 QSO 12 17 16.0822403087 +08 09 42.019781581   16.90 16.75     ~ 36 0
199 RMB 221 Sy1 12 18 50.5203395903 +10 15 54.283826269   17.76 17.63     ~ 40 0
200 PG 1216+069 Sy1 12 19 20.9316038223 +06 38 38.467864632   15.68 15.65     ~ 263 0
201 2MASS J12201843+0641196 Sy1 12 20 18.4416676433 +06 41 19.611421683   17.67 17.49     ~ 38 0
202 2MASS J12203509+3853166 Sy1 12 20 35.1004384704 +38 53 16.470092455   17.23 16.83     ~ 34 0
203 2MASSI J1221024+155446 Sy1 12 21 02.5022147855 +15 54 47.031519804   18.55 18.09     ~ 37 0
204 RMB 219 Sy1 12 23 12.1667114905 +09 50 17.778672156   18.36 18.12     ~ 31 0
205 2MASS J12231781+0923066 Sy1 12 23 17.7938880766 +09 23 06.952606587   17.83 17.74     ~ 46 0
206 RMB 145 BLL 12 25 12.9370356682 +12 18 35.721809370   17.77 17.71     ~ 50 0
207 LBQS 1222+0901 QSO 12 25 20.1266471289 +08 44 50.782912376   17.39 17.29     ~ 30 0
208 3C 273 BLL 12 29 06.6996828061 +02 03 08.598846466   13.05 14.830 14.11   ~ 5478 1
209 2MASS J12305003+0115226 Sy1 12 30 50.0333182740 +01 15 22.597395500   14.44 14.42     ~ 92 0
210 Mrk 771 Sy1 12 32 03.6224248141 +20 09 29.495841579   15.57 15.30     ~ 451 0
211 LBQS 1230-0015 QSO 12 33 04.0514027570 -00 31 34.181064160   18.02 17.87 16.8   ~ 62 0
212 QSO J1233+4758 QSO 12 33 35.0739816672 +47 58 00.440212874   17.69 17.67     ~ 53 0
213 2MASS J12342679+0724116 QSO 12 34 26.8078976497 +07 24 11.315678745   16.7 17.41 16.3   ~ 21 0
214 Ton 635 QSO 12 41 29.6478489638 +28 52 11.983954338   17.1 18.07     ~ 23 0
215 QSO J1241+5721 QSO 12 41 54.0240181142 +57 21 07.363873070   18.03 17.94     ~ 40 0
216 QSO J1245+3356 QSO 12 45 11.2585553606 +33 56 10.100141682   17.06 16.88     ~ 47 0
217 QSO J1251+0554 QSO 12 51 24.6523268437 +05 54 20.188243030   17.72 17.53     ~ 26 0
218 Mrk 231 Sy1 12 56 14.2340989340 +56 52 25.238555193   14.68 13.84     ~ 1858 3
219 LB 2522 Sy1 13 01 12.9251198286 +59 02 06.693745440   16.04 15.89     ~ 255 0
220 QSO J1305+0357 QSO 13 05 24.2596583355 +03 57 30.931081260   17.94 17.88     ~ 28 0
221 ICRF J130533.0-103319 Sy1 13 05 33.0149111397 -10 33 19.430590671   15.18 15.23 14.46   ~ 521 1
222 LEDA 2469933 G 13 07 28.448 +54 26 52.51           ~ 17 0
223 LEDA 45656 Sy1 13 09 47.0029670396 +08 19 48.215010428   16.04 15.89     ~ 354 0
224 Ton 1565 Sy1 13 12 17.7526648504 +35 15 21.087644341   15.45 15.64 14.2   ~ 249 1
225 QSO J1315+1525 QSO 13 15 45.2121787235 +15 25 56.323723567   17.80 17.67     ~ 28 0
226 PB 159 QSO 13 22 22.6817331287 +46 45 35.257304134   17.80 17.69     ~ 40 0
227 Mrk 259 SBG 13 28 44.000 +43 55 50.29   16.5       ~ 47 0
228 2MASS J13304515+2813216 QSO 13 30 45.1502448460 +28 13 21.554549070   18.25 18.05     ~ 24 0
229 2MASS J13305328+3119306 Sy1 13 30 53.2739768644 +31 19 30.578416257   17.65 17.41     ~ 46 0
230 QSO J1341+4123 QSO 13 41 00.7893963759 +41 23 14.131471417   17.04 16.76     ~ 120 0
231 2MASS J13420657+0505237 Sy1 13 42 06.5683065662 +05 05 23.910605861   17.54 17.32     ~ 58 0
232 LEDA 3096287 Sy1 13 42 31.2263963819 +38 29 03.324625083   17.67 17.42     ~ 32 0
233 PB 4055 QSO 13 42 46.8915916745 +18 44 43.680385203           ~ 19 0
234 LBQS 1340-0038 QSO 13 42 51.6063318816 -00 53 45.389329298   17.15 16.98 17.418 16.198 ~ 71 0
235 Mrk 279 Sy1 13 53 03.4356451470 +69 18 29.410672989   15.15 14.46     ~ 711 0
236 QSO J1354+2430 QSO 13 54 24.9005109222 +24 30 06.258105936   18.19 18.02     ~ 20 0
237 2MASS J13562557+2515238 Sy1 13 56 25.5588219980 +25 15 23.681884580   20.82 20.08     ~ 26 1
238 2MASS J13571260+1704439 Sy1 13 57 12.6119439013 +17 04 44.090816548   18.30 17.87     ~ 19 0
239 QSO B1354+0450 QSO 13 57 26.2747676191 +04 35 41.512784629   17.59 17.23     ~ 40 0
240 QSO J1404+3353 QSO 14 04 28.2859862742 +33 53 42.642557370   18.68 18.59     ~ 22 0
241 2MASS J14065564+0157131 Sy1 14 06 55.6681316800 +01 57 12.849917459   18.42 18.23     ~ 26 0
242 QSO J1407+5507 QSO 14 07 32.2532864500 +55 07 25.440395881   18.68 18.38     ~ 21 0
243 QSO J1409+2618 QSO 14 09 23.9086975485 +26 18 21.053512073   16.07 15.74     ~ 182 0
244 QSO J1415+1634 QSO 14 15 42.9079101015 +16 34 13.812131131   18.25 18.12     ~ 18 0
245 SDSS J141612.87+122340.4 G 14 16 12.8731127520 +12 23 40.387574387           ~ 16 0
246 NGC 5548 Sy1 14 17 59.5401093128 +25 08 12.600227883   14.35 13.73     ~ 2489 0
247 PB 2049 QSO 14 19 10.2070716029 +42 07 46.910320933   16.9 17.31 17.1   ~ 41 0
248 7C 1424+2401 BLL 14 27 00.3918388878 +23 48 00.035406946 14.52 14.34 14.95 14.5   ~ 309 1
249 SDSS J142856.41+165339.3 G 14 28 56.4065619397 +16 53 39.434270698           ~ 15 0
250 2MASS J14294076+0321257 Sy1 14 29 40.7393913160 +03 21 25.923582833   18.65 18.43     ~ 27 0
251 [ITS2007] 53531-1827-503 EmG 14 29 47.0055554613 +06 43 34.978722649           ~ 23 0
252 2MASS J14312586+2442203 Sy1 14 31 25.8845083619 +24 42 20.704368998   17.74 17.65     ~ 35 0
253 [H68] WE HVC 14 35 -79.           ~ 11 0
254 QSO J1435+3604 QSO 14 35 11.5257790930 +36 04 37.175185990   17.30 17.22     ~ 50 0
255 Mrk 817 Sy1 14 36 22.0820075123 +58 47 39.395406826   14.19 13.79     ~ 443 0
256 LBQS 1435-0134 QSO 14 37 48.2856366322 -01 47 10.817420126   16.11 15.78 16.39   ~ 69 0
257 LEDA 52314 Sy1 14 38 16.1631779228 -06 58 20.662522112   16.13 16.01 15.5   ~ 113 0
258 QSO J1445+3428 QSO 14 45 11.2761938501 +34 28 25.458412453   17.82 17.73     ~ 28 0
259 2MASX J14510879+2709272 Sy1 14 51 08.7649690311 +27 09 26.964855405   15.01 15.01     ~ 173 0
260 QSO J1454+3046 QSO 14 54 24.3376140526 +30 46 58.387654973   18.63 18.51     ~ 14 0
261 ICRF J145907.5+714019 Sy1 14 59 07.5831170610 +71 40 19.867413302   17.24 16.78 17.2   ~ 464 1
262 SBSG 1458+534 QSO 14 59 49.59 +53 19 09.0           ~ 3 0
263 2MASS J15003066+5517092 Sy1 15 00 30.6681049069 +55 17 09.186816285   17.96 17.85     ~ 42 0
264 LEDA 1306833 Sy1 15 02 04.1027725760 +06 45 16.008479120   17.26 17.03     ~ 29 0
265 LEDA 3096403 Sy1 15 03 16.3777669036 +68 10 06.256929576   17.4       ~ 12 0
266 [VV98] J150455.5+564920 QSO 15 04 55.5644982739 +56 49 20.328049500   17.34 17.20     ~ 33 0
267 [H68] L HVC 15 06.4 -15 30           ~ 16 0
268 2MASX J15085291+6814074 Sy1 15 08 52.8148282812 +68 14 06.976729324   16.0 15.5     ~ 25 0
269 NAME UMi Galaxy G 15 09 11.34 +67 12 51.7   13.60 10.6     ~ 1239 0
270 QSO J1509+0702 QSO 15 09 28.2910579385 +07 02 35.756961678   18.92 18.83     ~ 16 0
271 2MASS J15095219+1110469 Sy1 15 09 52.2006565782 +11 10 47.004277152   18.64 18.42     ~ 15 0
272 2MASS J15150742+0657082 Sy1 15 15 07.4299802336 +06 57 08.365482492   18.23 18.02     ~ 18 0
273 2MASSI J1521537+594019 Sy1 15 21 53.8097751768 +59 40 20.058550361   17.78 17.66     ~ 40 0
274 QSO B1521+1009 QSO 15 24 24.5235638849 +09 58 29.086612264   15.74 16.2     ~ 117 0
275 2MASS J15272866+6548102 Sy1 15 27 28.6471955451 +65 48 10.360049501     16.8     ~ 18 0
276 Ton 236 Sy1 15 28 40.6110393109 +28 25 29.843980426   16.44 16.39     ~ 66 0
277 Mrk 290 Sy1 15 35 52.4036488200 +57 54 09.516647866   15.55 15.27     ~ 470 0
278 Mrk 486 Sy1 15 36 38.4013129866 +54 33 33.214684833   15.21 14.78     ~ 260 0
279 MCG+10-22-028 Sy1 15 38 10.0468305415 +57 36 13.110230044   18.49 17.77     ~ 32 0
280 2MASS J15412146+2817063 Sy1 15 41 21.4903990998 +28 17 06.358549758   18.40 18.18     ~ 20 0
281 QSO J1550+4001 QSO 15 50 48.3037879593 +40 01 44.916428482   17.36 17.30     ~ 40 0
282 QSO J1553+3548 QSO 15 53 04.9286795051 +35 48 28.559705264   16.93 16.73     ~ 40 0
283 QSO J1555+3628 QSO 15 55 04.4020212990 +36 28 47.958676692   17.3 18.10 17.6   ~ 35 0
284 QSO B1553+113 BLL 15 55 43.0439413597 +11 11 24.365587666 14.91 14.72 14.57 13.99   ~ 452 1
285 [VV2006] J160519.8+144853 QSO 16 05 19.7061612496 +14 48 52.348304223           ~ 16 0
286 [VV98] J160820.5+601828 BLL 16 08 20.54236 +60 18 28.1993     16.00 15.9   ~ 24 0
287 Mrk 876 Sy1 16 13 57.1791807197 +65 43 09.953889666   16.03 15.49     ~ 530 0
288 QSO J1619+3342 QSO 16 19 16.5425919659 +33 42 38.374637994   17.30 17.26     ~ 49 0
289 Mrk 877 Sy1 16 20 11.2800014833 +17 24 27.514065981   15.79 15.39     ~ 255 0
290 2MASX J16252653+5727278 Sy1 16 25 26.5369999326 +57 27 27.748277478   16.28 15.47     ~ 12 0
291 QSO B1626+5529 Sy1 16 27 56.1124169072 +55 22 31.559608363   15.79 15.68     ~ 194 0
292 QSO B1630+3744 QSO 16 32 01.1118986024 +37 37 49.980862599   16.50 16.30     ~ 166 0
293 NAME HVC Complex C HVC 16 34.8 +63 07           ~ 231 1
294 HS 1700+6416 QSO 17 01 00.6195618802 +64 12 09.118927057   16.39 16.17     ~ 352 0
295 Mrk 504 Sy1 17 01 07.7789345772 +29 24 24.583037966   16.63 15.78     ~ 90 0
296 2MASS J17173797+6559394 Sy1 17 17 37.9540451939 +65 59 39.386140863   17.86 17.68     ~ 33 0
297 NAME Dra dSph G 17 20 14.335 +57 55 16.39   12.40 10.6     ~ 1224 1
298 NAME Fermi Bubbles bub 17 45 -29.0           ~ 315 0
299 NAME Galactic Center gam 17 45 39.60213 -29 00 22.0000           ~ 12457 0
300 7C 1821+6419 Sy1 18 21 57.2365 +64 20 36.226   14.23 14.24     ~ 550 1
301 LEDA 2447627 Sy1 18 32 49.6958807124 +53 40 22.086322034   15.9       ~ 18 0
302 ESO 141-55 Sy1 19 21 14.1471805047 -58 40 12.981632705   14.36 13.64 13.28   ~ 332 0
303 NAME Sgr dIG G 19 29 59.0 -17 40 41   15.5 13.6     ~ 286 1
304 NAME GCN Complex HVC 19 32 -14.           ~ 14 0
305 NGC 6822 G 19 44 56.199 -14 47 51.29   18 8.1     ~ 1471 0
306 QSO B2005-489 BLL 20 09 25.3910622923 -48 49 53.722146927   15.75 12.81 11.41   ~ 531 2
307 Mrk 509 Sy1 20 44 09.7504131334 -10 43 24.724854084   13.35 13.12 10.7   ~ 1170 0
308 NAME Aquarius Dwarf G 20 46 51.7 -12 50 54 15.75 15.18 14.83 14.46   ~ 409 1
309 NAME Aqr Galaxy GiC 20 48 01.194 -52 58 08.79   15.70       ~ 16 0
310 NAME Gal Center Positive HVC 20 51.2 +01 41           ~ 77 1
311 Mrk 1513 Sy1 21 32 27.8163185343 +10 08 19.250705656   14.92 14.64     ~ 561 0
312 1H 2129-624 Sy1 21 33 30 -62 15.7           ~ 8 0
313 NAME Outer Arm PoG 21 48 +69.4           ~ 252 0
314 2MASS J21545109-4414057 Sy1 21 54 51.1074676203 -44 14 05.746197801     15.80     ~ 26 0
315 PHL 1811 Sy1 21 55 01.5123415724 -09 22 24.351917710   13.9 16.8 14.1   ~ 164 1
316 QSO B2155-304 BLL 21 58 52.0651817803 -30 13 32.120657891   13.36 13.09 12.62   ~ 1621 1
317 Mrk 304 Sy1 22 17 12.2638362727 +14 14 20.918554073   15.02 14.66     ~ 328 0
318 HVC 084-13-94 HVC 22 36.5 +46 51           ~ 9 0
319 NAME Tuc Galaxy G 22 41 49.6 -64 25 10   15.7 15.2     ~ 277 0
320 UGC 12163 Sy1 22 42 39.3364258078 +29 43 31.301194419   14.86 14.16     ~ 640 1
321 2MASS J22452029-4652116 Sy1 22 45 20.3094 -46 52 11.796     14.8     ~ 29 0
322 2MASS J22484115-5109532 Sy1 22 48 41.1703517984 -51 09 53.324132792   15.60 15.43 15.5   ~ 66 0
323 3C 454.3 Bla 22 53 57.74798 +16 08 53.5611   16.57 16.10 15.22   ~ 2609 2
324 NAME MR 2251-178 Sy1 22 54 05.8858021308 -17 34 55.403006841   14.99 14.36 15.12   ~ 392 3
325 QSO J2257+1340 QSO 22 57 38.2065477484 +13 40 45.502611146   17.25 17.15     ~ 38 0
326 NGC 7469 Sy1 23 03 15.674 +08 52 25.28 12.60 13.00 12.34     ~ 1955 3
327 NAME Andromeda VII GiG 23 26 31.7 +50 40 33   13.6 11.8     ~ 189 1
328 NAME Peg Dwarf Irregular Galaxy G 23 28 35.2 +14 44 35 13.85 13.16 12.52     ~ 433 1
329 NGC 7714 GiP 23 36 14.099 +02 09 18.07   14.91 14.36     ~ 742 1
330 PB 5524 QSO 23 45 00.4379710330 -00 59 36.071162685   17.66 17.44     ~ 48 0
331 QSO B2347-4342 QSO 23 50 34.2595236845 -43 25 59.680334378   16.3 16.3     ~ 164 0
332 NAME Peg dSph GiG 23 51 46.4 +24 35 11   14.5 13.2     ~ 224 2
333 NAME Local Group GrG ~ ~           ~ 7395 0

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2021.10.26-21:33:30

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