2016AJ....151..142A

Query : 2016AJ....151..142A

2016AJ....151..142A - Astron. J., 151, 142-142 (2016/June-0)

Upper limits from five years of blazar observations with the VERITAS Cherenkov telescopes.

ARCHAMBAULT S., ARCHER A., BENBOW W., BIRD R., BITEAU J., BUCHOVECKY M., BUCKLEY J.H., BUGAEV V., BYRUM K., CERRUTI M., CHEN X., CIUPIK L., CONNOLLY M.P., CUI W., EISCH J.D., ERRANDO M., FALCONE A., FENG Q., FINLEY J.P., FLEISCHHACK H., FORTIN P., FORTSON L., FURNISS A., GILLANDERS G.H., GRIFFIN S., GRUBE J., GYUK G., HUTTEN M., HAKANSSON N., HANNA D., HOLDER J., HUMENSKY T.B., JOHNSON C.A., KAARET P., KAR P., KELLEY-HOSKINS N., KERTZMAN M., KIEDA D., KRAUSE M., KRENNRICH F., KUMAR S., LANG M.J., MAIER G., McARTHUR S., McCANN A., MEAGHER K., MORIARTY P., MUKHERJEE R., NGUYEN T., NIETO D., O'FAOLAIN DE BHROITHE A., ONG R.A., OTTE A.N., PARK N., PERKINS J.S., PICHEL A., POHL M., POPKOW A., PUESCHEL E., QUINN J., RAGAN K., REYNOLDS P.T., RICHARDS G.T., ROACHE E., ROVERO A.C., SANTANDER M., SEMBROSKI G.H., SHAHINYAN K., SMITH A.W., STASZAK D., TELEZHINSKY I., TUCCI J.V., TYLER J., VINCENT S., WAKELY S.P., WEINER O.M., WEINSTEIN A., WILLIAMS D.A., ZITZER B. (The VERITAS Collaboration), FUMAGALLI M. and PROCHASKA J.X.

Abstract (from CDS):

Between the beginning of its full-scale scientific operations in 2007 and 2012, the VERITAS Cherenkov telescope array observed more than 130 blazars; of these, 26 were detected as very-high-energy (VHE; E > 100 GeV) γ-ray sources. In this work, we present the analysis results of a sample of 114 undetected objects. The observations constitute a total live-time of ∼570 hr. The sample includes several unidentified Fermi-Large Area Telescope (LAT) sources (located at high Galactic latitude) as well as all the sources from the second Fermi-LAT catalog that are contained within the field of view of the VERITAS observations. We have also performed optical spectroscopy measurements in order to estimate the redshift of some of these blazars that do not have spectroscopic distance estimates. We present new optical spectra from the Kast instrument on the Shane telescope at the Lick observatory for 18 blazars included in this work, which allowed for the successful measurement or constraint on the redshift of four of them. For each of the blazars included in our sample, we provide the flux upper limit in the VERITAS energy band. We also study the properties of the significance distributions and we present the result of a stacked analysis of the data set, which shows a 4σ excess.

Abstract Copyright: © 2016. The American Astronomical Society. All rights reserved.

Journal keyword(s): BL Lacertae objects: general - galaxies: active - γ rays: galaxies - radiation mechanisms: non-thermal

VizieR on-line data: <Available at CDS (J/AJ/151/142): table1.dat table2.dat table3.dat table4.dat table5.dat table6.dat table7.dat>

Simbad objects: 133

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Number of rows : 133
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 9C J0018+2947 BLL 00 18 27.7897831296 +29 47 31.163294904     19.4 17.4   ~ 58 0
2 ATO J008.8113+15.2511 BLL 00 35 14.7240495552 +15 15 04.152759516 17.48 17.20 16.97 16.7   ~ 72 0
3 QSO B0033+595 BLL 00 35 52.554 +59 50 04.19     19.5 17.2   ~ 177 2
4 5C 3.76 BLL 00 40 13.800 +40 50 04.73     19.30 19.9   ~ 71 1
5 M 31 AGN 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 12645 1
6 2FGL J0045.3+2127 BLL 00 45 19.2982391160 +21 27 40.001545080 17.37 17.33 17.01 17.3   ~ 76 1
7 SDSS J004802.61+223524.0 QSO 00 48 02.6166680496 +22 35 24.125790660       19   ~ 47 0
8 6C 010709+413321 BLL 01 10 04.8120900624 +41 49 50.731434480     17.60 14   ~ 34 1
9 2MASS J01230864+3420485 BLL 01 23 08.6375580816 +34 20 48.664188060     15.2 16.8   ~ 123 1
10 6C 013354+473615 Bla 01 36 58.59480326 +47 51 29.1000720     19.50 19.25 15.21 ~ 501 1
11 2FGL J0148.6+0127 BLL 01 48 33.7946130240 +01 29 01.442301648           ~ 36 1
12 ICRF J015239.6+014717 BLL 01 52 39.6109440384 +01 47 17.385104112     15.12 11.8   ~ 135 1
13 SDSS J015852.77+010132.9 BLL 01 58 52.7700514128 +01 01 32.909527020           ~ 36 0
14 ICRF J020345.3+304129 AGN 02 03 45.35524711 +30 41 29.1068408           ~ 53 1
15 7C 020209.69+315812.00 QSO 02 05 04.92536206 +32 12 30.0954703     17.40 17.40   ~ 227 1
16 ICRF J021113.1+105134 BLL 02 11 13.1774921592 +10 51 34.798753116 13.96 13.63 13.40 15.42   ~ 135 1
17 1FGL J0212.3+5319 EB* 02 12 10.4774318712 +53 21 38.778250464   15.213 14.677 14.286   ~ 44 0
18 ICRF J021252.8+224452 BLL 02 12 52.8350181888 +22 44 52.258856208       16.7   ~ 61 1
19 ICRF J021417.9+514451 BLL 02 14 17.9358553848 +51 44 51.945795816     16.50 16.5   ~ 115 1
20 2MASS J02163209+2314504 BLL 02 16 32.0944044336 +23 14 50.353758528       18.4   ~ 30 0
21 6C 021803+354230 BLL 02 21 05.4920852208 +35 56 13.848581904   20.0 20.0 19.60   ~ 559 3
22 2MASS J02271658+0202005 BLL 02 27 16.5921613152 +02 02 00.007676880     18.80 18.9   ~ 57 0
23 QSO B0235+1624 BLL 02 38 38.93010450 +16 36 59.2745528   16.46 15.50 15.92   ~ 1545 2
24 [VV2006] J025038.0+171208 BLL 02 50 37.9604160096 +17 12 08.881094160   17.7 17.50     ~ 64 1
25 9Y-MST J0312+2012 BLL 03 12 40.5 +20 11 43           ~ 24 0
26 2MASX J03140275+2444334 SyG 03 14 02.7340832016 +24 44 32.804176128     18.3     ~ 27 0
27 4FGL J0314.3+0620 BLL 03 14 23.9279493480 +06 19 56.525566764   19.8 17.9 17.5   ~ 41 0
28 NAME 3HSP J032160.0+233611 BLL 03 21 59.9703031416 +23 36 11.206732680     16.80 16.4   ~ 66 1
29 6C 032130+340016 BLL 03 24 41.1612813408 +34 10 45.857918460     15.72 13.1   ~ 274 1
30 QSO J0325+2224 QSO 03 25 36.81435345 +22 24 00.3656161     18.90 19.14   ~ 113 1
31 LAMOST J033349.00+291631.6 BLL 03 33 49.2 +29 16 32           ~ 44 1
32 HZ 2 WD* 04 12 43.5550038936 +11 51 48.978942012 12.903 13.787 13.877 13.984 14.094 DA2.3 102 0
33 2FGL J0423.4+5612 gam 04 23 27 +56 12.4           ~ 7 0
34 6C 042027+414321 BLL 04 23 56.00979158 +41 50 02.7129362   19   19.2   ~ 108 2
35 ICRF J044021.1+143756 QSO 04 40 21.13939074 +14 37 56.9512334           ~ 53 1
36 4FGL J0441.5+1505 BLL 04 41 27.4667781960 +15 04 55.600800780       18.4   ~ 26 0
37 87GB 044630.1+445804 BLL 04 50 07.2 +45 03 12     18.5     ~ 17 2
38 BD+52 913 WD* 05 05 30.6180977592 +52 49 51.919301604 10.25 11.44 11.69 11.93 12.108 DA.8 1090 0
39 2MASS J05055874+6113359 BLL 05 05 58.7847983400 +61 13 35.957739216           ~ 43 1
40 3FHL J0515.8+1528 BLL 05 15 47.30 +15 27 16.5       18.1   ~ 36 0
41 ICRF J052145.9+211251 BLL 05 21 45.9657388992 +21 12 51.452786736           ~ 135 1
42 M 1 SNR 05 34 30.9 +22 00 53           ~ 6192 1
43 BWE 0536+5821 Bla 05 40 29.9922 +58 23 38.456           ~ 40 1
44 B3 0639+423 BLL 06 43 26.7562659864 +42 14 18.708252684     17.00 14.9   ~ 12 1
45 4C 42.22 BLL 06 56 10.66207584 +42 37 02.7512524   15.0 16.90 11.1   ~ 79 1
46 QSO J0738+1742 BLL 07 38 07.39375312 +17 42 18.9981506   16.76 16.22 15.78   ~ 992 1
47 7C 080625.30+350445.00 BLL 08 09 38.8872832824 +34 55 37.248843504   18.38 17.42 12.6   ~ 100 1
48 ICRF J083148.8+042939 Sy1 08 31 48.8770033992 +04 29 39.086842884   17.10 16.4 14.55   ~ 470 2
49 NGC 2622 Sy2 08 38 10.9382999472 +24 53 42.993798288   15.01 14.12     ~ 159 0
50 2MASS J08471293+1133501 BLL 08 47 12.9303893448 +11 33 50.153057640     16.90 16.6   ~ 105 0
51 QSO J0854+2006 BLL 08 54 48.8749846272 +20 06 30.639583620   15.91 15.43 15.56   ~ 2329 1
52 SDSS J085639.74+205743.3 BLL 08 56 39.7406794656 +20 57 43.398504468 18.90 18.67 18.51 19.5   ~ 51 1
53 Ton 397 BLL 09 15 52.4015550384 +29 33 24.042671532   16.79 16.39 16.085   ~ 223 1
54 6C 092554+502611 BLL 09 29 15.4401569832 +50 13 35.990913000   17.18 16.80 15.94   ~ 143 2
55 QSO B0927+500 BLL 09 30 37.5737660328 +49 50 25.549611036   18.81 18.25 17.3   ~ 116 1
56 2MASS J10081139+4705216 BLL 10 08 11.4282574752 +47 05 21.453100692   20.22 19.40 18   ~ 35 0
57 6C 100945+424532 BLL 10 12 44.3054821248 +42 29 57.094313532   19.01 18.43     ~ 86 1
58 6C 101157+494057 BLL 10 15 04.1396533776 +49 26 00.706055496   16.56 16.15 14.58   ~ 370 3
59 QSO B1028+511 BLL 10 31 18.5251007784 +50 53 35.817278064   17.25 16.98 16.3   ~ 192 1
60 87GB 103431.3+572750 BLL 10 37 44.3078432736 +57 11 55.629345156   17.05 16.54 16.7   ~ 118 1
61 Feige 34 HS* 10 39 36.7358839104 +43 06 09.212615280 9.613 10.91 11.14 11.319 11.464 sdOp 679 0
62 7C 105047.29+494553.00 BLL 10 53 44.1256067376 +49 29 55.999047156   18.70 17.76 13.8   ~ 138 2
63 2MASS J10560659+0252135 BLL 10 56 06.6107656968 +02 52 13.568852424   19.86 18.93 17.8   ~ 35 0
64 ICRF J105829.6+013358 Sy1 10 58 29.60520810 +01 33 58.8237454   18.74 18.28 16.68   ~ 775 2
65 87GB 105632.5+024048 BLL 10 59 06.1361 +02 25 04.299           ~ 18 1
66 4FGL J1100.3+4020 BLL 11 00 21.0622217352 +40 19 28.049163780   17.67 17.27 17.8   ~ 63 0
67 QSO B1106+244 BLL 11 09 16.1671846680 +24 11 20.151320064     18.7 17.4   ~ 50 0
68 87GB 111429.0+203022 BLL 11 17 06.2512673640 +20 14 07.380923028     15.20     ~ 137 1
69 87GB 111803.1+422817 BLL 11 20 48.0624161160 +42 12 12.465387612   17.55 17.11 16.9   ~ 118 1
70 LEDA 2703015 BLL 11 36 30.0868711488 +67 37 04.345988232   18.19 17.45 15.3   ~ 142 1
71 1RXS J114118.3+680433 X 11 41 18.3 +68 04 33           ~ 1 0
72 2FGL J1141.0+6803 BLL 11 41 19.0 +68 04 31           ~ 29 0
73 LB 2136 Sy1 11 53 24.46663994 +49 31 08.8301372   17.94 17.66     ~ 498 1
74 6C 121520+302351 BLL 12 17 52.0819904040 +30 07 00.634936872   16.07 15.62 13.47   ~ 478 1
75 ICRF J122454.4+212246 Sy1 12 24 54.4583146056 +21 22 46.385507388   17.56 17.50 18.2   ~ 703 2
76 7C 122915.40+290414.00 BLL 12 31 43.5724342752 +28 47 49.770870684   17.90 17.38     ~ 91 2
77 QSO B1236+077 QSO 12 39 24.58833099 +07 30 17.1890748   19.1 20.1 17.92   ~ 132 1
78 QSO B1239+069 BLL 12 41 48.2721377400 +06 36 01.127632284   18.97 18.52 19.4   ~ 46 0
79 [VV2006] J124510.0+570954 BLL 12 45 09.9995503080 +57 09 54.373550040   18.33 17.96     ~ 67 1
80 LB 2449 BLL 12 48 18.7847605224 +58 20 28.717260720   16.10 15.78 15.19   ~ 189 1
81 3C 279 Bla 12 56 11.16657958 -05 47 21.5251510   18.01 17.75 15.87   ~ 3042 2
82 GD 153 WD* 12 57 02.3224909560 +22 01 52.634778240 11.883 13.060 13.349 13.488 13.669 DA1.2 354 0
83 QSO B1255+244 BLL 12 57 31.9330943592 +24 12 40.164677136     15.4 15.7   ~ 85 0
84 2MASS J13030321+2433558 BLL 13 03 03.2171262048 +24 33 55.735965792   20.09 19.54 18.2   ~ 72 0
85 7C 130709.80+432102.00 BLL 13 09 25.5263659608 +43 05 05.576817300   17.65 17.13     ~ 81 1
86 87GB 132042.1+295714 BLL 13 23 02.6 +29 41 33   20.7       ~ 64 1
87 HZ 44 HS* 13 23 35.2629445608 +36 07 59.544140304 10.186 11.42 11.65 12.00 11.995 sdBN0VIIHe28 417 0
88 SDSS J132614.99+293330.9 BLL 13 26 14.9932019160 +29 33 30.967995924   18.5 18.34 18.2   ~ 37 0
89 7C 1338+4015 BLL 13 41 05.1067840920 +39 59 45.418368768   18.93 18.24 14.9   ~ 79 2
90 2FGL J1351.4+1115 BLL 13 51 20.8456353168 +11 14 52.980699588 17.97 17.82 17.87 17.9   ~ 65 1
91 2MASS J13532805+5600566 BLL 13 53 28.0474623240 +56 00 56.986350984   19.31 18.92 16.4   ~ 37 0
92 ICRF J135905.7+554429 Sy1 13 59 05.7433660416 +55 44 29.380648596       18.8   ~ 80 1
93 SDSS J140659.19+164207.8 BLL 14 06 59.1885066864 +16 42 07.836157008   18.63 18.26 18.5   ~ 36 0
94 7C 1415+2556 BLL 14 17 56.6706279264 +25 43 26.244368868   18.00 17.2 14.6   ~ 179 0
95 QSO B1422+580 BLL 14 22 38.8822521768 +58 01 55.514940024   18.49 18.15 17.7   ~ 82 0
96 7C 1424+2401 BLL 14 27 00.3917926224 +23 48 00.037510776 14.52 14.34 14.95 14.5   ~ 366 1
97 PG 1437+398 BLL 14 39 17.4789214824 +39 32 42.807064020   17.36 17.10 16.5   ~ 115 1
98 2MASS J14405293+0610162 BLL 14 40 52.9387587024 +06 10 16.192432236 17.77 17.41 17.34     ~ 64 1
99 7C 1441+2514 QSO 14 43 56.89220390 +25 01 44.4907165   19.5   19.7   ~ 150 1
100 QSO B1458+22 BLL 15 01 01.8350446584 +22 38 06.373155444   16.29 15.79     ~ 131 0
101 QSO J1512-0906 Bla 15 12 50.53293048 -09 05 59.8297908   16.74 16.54     ~ 1316 1
102 2MASX J15320226+3016290 BLL 15 32 02.2318415520 +30 16 28.855961652     15.60     ~ 80 1
103 2MASS J15331125+1854290 BLL 15 33 11.2518579384 +18 54 29.054401704     17.10     ~ 55 0
104 QSO B1533+535 BLL 15 35 00.7962236712 +53 20 37.302992988   19.18 18.75 18.8   ~ 68 0
105 BD+33 2642 pA* 15 51 59.8854348048 +32 56 54.329485272 9.806 10.61 10.73 10.884 10.961 O7p 429 0
106 2MASS J16100403+6710264 BLL 16 10 04.0579901712 +67 10 26.367280752   19.4 18.40 19.3   ~ 19 1
107 2MASS J16290130+4007599 Sy1 16 29 01.3106358000 +40 07 59.905936776   18.23 18.00 17.2   ~ 108 0
108 GB6 J1700+6830 Rad 16 59.9 +68 27           ~ 11 0
109 QSO B1717+178 BLL 17 19 13.04848035 +17 45 06.4371847   20.10 19.1 17.28   ~ 224 1
110 ICRF J172244.5+101335 QSO 17 22 44.58278208 +10 13 35.7736314       19.4   ~ 68 0
111 QSO B1722+119 BLL 17 25 04.3409350008 +11 52 15.471967296   16.29 15.77 14.45   ~ 204 1
112 ICRF J172807.0+121539 QSO 17 28 07.05121409 +12 15 39.4855448     20.0 19.47   ~ 82 1
113 ICRF J172824.9+042704 Sy1 17 28 24.95272284 +04 27 04.9138307   17.43 16.99 16.24   ~ 224 1
114 QSO B1741+196 BLL 17 43 57.8330083440 +19 35 09.018846384     16.80 12.7   ~ 168 1
115 4C 09.57 BLL 17 51 32.81857326 +09 39 00.7284066   17.46 16.78 15.57   ~ 944 1
116 ATO J279.7048+48.0428 BLL 18 38 49.1550459624 +48 02 34.274232744     17.60 16.2   ~ 81 0
117 ICRF J190311.6+554038 BLL 19 03 11.6077129056 +55 40 38.450387568   18.1   16.4   ~ 100 1
118 87GB 192614.4+614823 BLL 19 26 49.8911645880 +61 54 42.345978048           ~ 45 1
119 6C 192647+611105 BLL 19 27 30.4428785736 +61 17 32.878880988   17.5 17.5 16.99   ~ 125 1
120 1RXS J195956.1+421339 X 19 59 56.1 +42 13 39           ~ 1 0
121 87GB 195816.7+420503 Bla 19 59 58.8 +42 13 47           ~ 28 1
122 ICRF J200112.8+435252 BLL 20 01 12.8737326408 +43 52 52.840241616       15   ~ 77 1
123 BD+28 4211 HS* 21 51 11.0221915656 +28 51 50.367627468 8.922 10.25 10.58 10.656 10.831 sdO2VIIIHe5 798 0
124 QSO B2233-148 BLL 22 36 34.08715104 -14 33 22.1896043 19.53 19.13 18.66 18.05   ~ 153 1
125 87GB 224130.7+200514 BLL 22 43 54.7436079792 +20 21 03.775386276     16.00 16.1   ~ 98 0
126 LEDA 2126234 BLL 22 50 05.7481607616 +38 24 37.193100984     16.00 14.8   ~ 132 1
127 3C 454.3 Bla 22 53 57.7480438728 +16 08 53.561508864   16.57 16.10 15.22   ~ 2847 2
128 Feige 110 HS* 23 19 58.3996844256 -05 09 56.171142864 10.360 11.45 11.50 11.970 12.145 sdO8VIIIHe5 636 1
129 2MASS J23224401+3436139 BLL 23 22 44.0142017808 +34 36 13.873220208     15.88 13.2   ~ 75 1
130 2E 4725 BLL 23 23 52.0756006920 +42 10 58.553658012     17.00 19.9   ~ 92 0
131 ICRF J232517.8+395736 BLL 23 25 17.8701567192 +39 57 36.512873352   17.8 17.80 17.8   ~ 74 1
132 2MASS J23291427+3754146 Bla 23 29 14.2674395856 +37 54 14.484094488           ~ 47 1
133 1RXS J234332.5+343957 BLL 23 43 33.5859477792 +34 39 50.949452160           ~ 48 1

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