2011A&A...530A..28G


Query : 2011A&A...530A..28G

2011A&A...530A..28G - Astronomy and Astrophysics, volume 530A, 28-28 (2011/6-1)

The MUCHFUSS project - searching for hot subdwarf binaries with massive unseen companions. Survey, target selection and atmospheric parameters.

GEIER S., HIRSCH H., TILLICH A., MAXTED P.F.L., BENTLEY S.J., OSTENSEN R.H., HEBER U., GAENSICKE B.T., MARSH T.R., NAPIWOTZKI R., BARLOW B.N. and O'TOOLE S.J.

Abstract (from CDS):

The project Massive Unseen Companions to Hot Faint Underluminous Stars from SDSS (MUCHFUSS) aims at finding sdBs with compact companions like supermassive white dwarfs (M>1.0M), neutron stars or black holes. The existence of such systems is predicted by binary evolution theory and recent discoveries indicate that they are likely to exist in our Galaxy. A determination of the orbital parameters is sufficient to put a lower limit on the companion mass by calculating the binary mass function. If this lower limit exceeds the Chandrasekhar mass and no sign of a companion is visible in the spectra, the existence of a massive compact companion is proven without the need for any additional assumptions. We identified about 1100 hot subdwarf stars from the SDSS by colour selection and visual inspection of their spectra. Stars with high velocities have been reobserved and individual SDSS spectra have been analysed. In total 127 radial velocity variable subdwarfs have been discovered. Binaries with high RV shifts and binaries with moderate shifts within short timespans have the highest probability of hosting massive compact companions. Atmospheric parameters of 69 hot subdwarfs in these binary systems have been determined by means of a quantitative spectral analysis. The atmospheric parameter distribution of the selected sample does not differ from previously studied samples of hot subdwarfs. The systems are considered the best candidates to search for massive compact companions by follow-up time resolved spectroscopy.

Abstract Copyright:

Journal keyword(s): binaries: spectroscopic - subdwarfs

VizieR on-line data: <Available at CDS (J/A+A/530/A28): table2.dat table3.dat table4.dat tablea1.dat refs.dat>

CDS comments: In ref list Ostensen et al. 2010MNRAS.408.51 is a misprint for ostensen et al. 2010MNRAS.408.L51. In tables 2,3,4 : sources J211651.96+003328.5 and J110215.97+521858.1 do not exist (no object at this position).

Simbad objects: 161

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Number of rows : 161
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 Ton S 135 HS* 00 03 22.0702217664 -23 38 58.025588136   13.054 13.30     sdBHe1 35 0
2 PG 0001+275 HS* 00 03 55.6035118584 +27 48 37.466739936   13.16 13.32 13.60   sdB2VIIHe3 22 0
3 PB 5916 HS* 00 23 23.9888810856 -00 29 53.303337780   15.50 15.58 15.93   sdB+D 21 0
4 KPD 0025+5402 HS* 00 28 28.9694039256 +54 19 15.031311528 12.85 13.76 13.91 14.09   sdB 15 0
5 EC 00404-4429 HS* 00 42 48.3762666960 -44 13 25.218650964   13.0 13.4     sdB 18 0
6 NGC 188 OpC 00 47 11.5 +85 14 38           ~ 922 0
7 NGC 188 2091 SB* 00 47 52.2151315344 +85 19 08.308468056 15.363 16.084 16.260 16.285 16.394 ~ 19 0
8 GD 656 HS* 00 51 03.9222688464 -19 59 59.319419640   14.56 14.83 15.01   sdBHe0 32 0
9 Ton S 183 HS* 01 01 17.5722745104 -33 42 45.434983572   12.39 14.631 12.95   sdB 50 0
10 Feige 11 HS* 01 04 21.6747168600 +04 13 37.054495956 10.847 11.826 12.065 12.183 12.324 sdB2VIHe4 128 0
11 GD 687 HS* 01 10 18.6196714608 -34 00 25.710906636   13.89 14.08 14.39   sdBHe1 39 0
12 FBS 0117+396 HS* 01 20 22.9396883304 +39 50 59.434295604   15.15 15.34     sdB+dM 28 0
13 V* EO Cet HS* 01 23 43.2471248112 -05 05 45.831024564   12.21 12.65     sdOV+F4V 65 0
14 GALEX J012739.2+404357 HS* 01 27 39.3543651120 +40 43 57.897632712   17.5   16.7   sdO 11 0
15 PG 0133+114 HS* 01 36 26.1919824456 +11 39 32.100292692   10.74       sdB1.5VIIHe4 43 0
16 CD-24 731 HS* 01 43 48.5449039272 -24 05 10.223541204   11.6 11.9     sdBHe0 68 0
17 EC 02200-2338 HS* 02 22 19.8375036240 -23 24 55.937378952   11.79 12.01     sdB 16 0
18 HE 0230-4323 HS* 02 32 54.6772339416 -43 10 27.791218308     13.78     sdB 33 0
19 Cl Melotte 20 488 HS* 03 21 39.6300972744 +47 27 18.797557932   11.54 11.73 11.83 11.55 sdB 21 0
20 BPS CS 22169-0001 HS* 03 56 23.3187391032 -15 09 19.438525044 11.50 12.61 12.88     sdB 23 0
21 V* IQ Cam HS* 04 26 06.8650883976 +54 28 17.101122600 14.21 14.86 14.66     sdB 64 0
22 KUV 04421+1416 HS* 04 44 56.8983457992 +14 21 50.176351836   15.28       sdB 39 0
23 GALEX J052544.9+630726 HS* 05 25 44.9280802920 +63 07 26.047587828           sdOB 9 0
24 HD 269696 HS* 05 31 40.3594532592 -69 53 02.153902236 9.74 10.92 11.15     sdB+dM 193 0
25 HE 0532-4503 HS* 05 33 40.5164632128 -45 01 35.266985868 14.89 15.86 16.08     sdB 22 0
26 CPD-64 481 HS* 05 47 59.3028778320 -64 23 03.123185352   10.97 11.17     sdB 40 0
27 HD 49798 HXB 06 48 04.7001531360 -44 18 58.436036028 6.758 8.017 8.287 8.391 8.543 sdO6 328 0
28 V* V470 Cam HS* 07 10 42.0513241680 +66 55 43.521505680           sdB+dM 111 1
29 GALEX J074534.1+372719 HS* 07 45 34.1642808864 +37 27 18.626681484   17.5   18.1   sdB 12 0
30 GALEX J075937.0+541022 HS* 07 59 37.1535958176 +54 10 22.234496268   17.4   18.0   sdB 12 0
31 GALEX J082053.6+000843 HS* 08 20 53.5359673248 +00 08 43.502407800   15.03 15.17 15.54 15.91 sdB 44 0
32 PG 0826+480 HS* 08 30 06.1706625264 +47 51 50.365783728   16.1   16.28   sdB 28 0
33 PG 0839+399 HS* 08 43 12.7070709648 +39 44 49.808413428 12.918 14.045 14.324 14.445 14.587 sdB 38 0
34 Ton 358 HS* 08 52 54.6286389384 +31 43 36.648630876   14.29 14.59 14.78   sdOA 21 0
35 PG 0850+170 HS* 08 53 23.6576102448 +16 49 35.269007808   13.72 14.00 14.26   sdB 34 0
36 US 1993 HS* 08 57 27.6568703424 +42 42 15.549987852   18.6   19.1   sdOHe 11 0
37 PG 0907+123 HS* 09 10 25.4347130256 +12 08 27.078221868   13.76 13.92 14.19   sdB2VIHe2 34 0
38 PG 0918+029 HS* 09 21 28.2138172968 +02 46 02.254084824 11.975 13.056 13.327 13.456 13.615 sdB1VIIHe6 113 0
39 GALEX J092520.7+470330 HS* 09 25 20.7062509464 +47 03 30.613100112   16.9   17.8   sdB 12 0
40 HE 0929-0424 HS* 09 32 02.1130203840 -04 37 36.937709652   16.11 16.16     sdB 21 0
41 PG 0934+186 HS* 09 37 16.2701312016 +18 25 11.246800692   12.85 13.13 13.44   sdB 28 0
42 PG 0940+068 HS* 09 42 55.0400472528 +06 35 37.191101172   13.50 13.69 14.01   sdB 30 1
43 Ton 22 HS* 09 43 54.5499190968 +27 46 59.158337664   12.95 13.24     sdB 22 0
44 Ton 1100 HS* 09 48 56.9607653232 +33 41 51.035810640   17.0   18.1   sdOHe 22 0
45 GALEX J095229.6+301553 HS* 09 52 29.6270890656 +30 15 53.634306276   17.8   18.8   sdB 9 0
46 PG 0948+632 HS* 09 52 38.9349821112 +62 58 18.955488468   14.95 15.0     sdB 20 0
47 PG 1000+408 HS* 10 03 54.2702671056 +40 34 18.121531548 11.919 12.988 13.318 13.465 13.631 sdO 35 0
48 GALEX J100535.8+223952 HS* 10 05 35.7584868744 +22 39 52.160819544   17.7   18.8   sdB 12 1
49 V* XY Sex HS* 10 20 14.4716431344 -08 53 46.406162688   14.46 14.43     sdB 38 0
50 GALEX J102151.6+301012 HS* 10 21 51.6455392728 +30 10 11.981229960   17.9   18.8   sdB+D 16 0
51 PG 1032+406 HS* 10 35 16.5804370224 +40 21 14.417268660   11.38 11.81     sdB 43 1
52 PG 1033+097 HS* 10 35 49.6843174008 +09 25 51.872231712   16.04 16.32     sdOHe 13 0
53 PG 1043+760 HS* 10 47 04.9690510104 +75 44 22.968415320   12.97       sdB 29 0
54 PG 1047-046 HS* 10 50 26.8995243000 -04 52 35.718249540   14.68       sdB+D 26 0
55 HE 1059-2735 HS* 11 01 24.8687002296 -27 51 41.914393668   15.21 15.56     sdO 11 0
56 Feige 36 HS* 11 04 31.6443383808 +24 39 42.687580896   12.87 12.78     sdB 54 0
57 PG 1102+097 HS* 11 04 45.0148727232 +09 25 30.871143732   16.1   16.0   sdO 18 0
58 Ton 62 HS* 11 13 04.4873645616 +29 07 46.225457796   14.2 14.086     sdB 24 0
59 PG 1115-065 HS* 11 18 11.6492036328 -06 47 32.162282988   14.83 15.08 15.59   sdO 13 0
60 Ton 63 HS* 11 19 04.8237788448 +29 51 52.663915008   14.11 14.37 14.61   sdB 36 0
61 LB 256 HS* 11 22 42.6864339168 +61 37 58.405638036   15.02 15.39 15.68   sdO 19 0
62 CBS 432 HS* 11 24 14.4520157640 +40 26 37.165836768   17.4   17.9   sdOHe 10 0
63 LB 10251 WD* 11 33 03.7115884560 +29 02 23.146671840           DA 21 0
64 LBQS 1131+0209 HS* 11 34 18.0057674544 +01 53 22.122564504   17.2   17.6 17.31 sdB 13 0
65 PG 1136-003 HS* 11 38 40.6873530648 -00 35 31.775883972   14.22 14.47 14.79   sdB1VIIeHe1 30 0
66 FBS 1136+621 HS* 11 39 35.4467054016 +61 49 53.934649068   16.5 16.1 17.3   sdB 15 0
67 Feige 48 HS* 11 47 14.4978515760 +61 15 31.789400364   13.12 13.28     sdB 119 0
68 Ton 1460 HS* 11 53 58.8150712224 +35 39 29.109198096   16.27       sdB 27 0
69 FBS 1154+617 HS* 11 57 16.3817760648 +61 24 10.730491488   17.1 17.0 17.6   sdB 18 0
70 PG 1230+052 HS* 12 33 12.5632632624 +04 57 37.603907964   13.26       sdB 25 0
71 PG 1232-136 HS* 12 35 18.7430526168 -13 55 08.879064096   13.06 13.27     sdB 32 0
72 EC 12408-1427 HS* 12 43 30.0485330304 -14 43 49.213141860   12.63 12.82 13.19   sdB 13 0
73 BD-07 3477 HS* 12 44 20.2386233232 -08 40 16.846099536   10.46 10.594 10.895   sdB2VIIHe3 287 1
74 PG 1244+113 HS* 12 47 06.6307680456 +11 03 13.355520768   13.05       sdB 24 0
75 GD 319 ** 12 50 04.422072 +55 06 02.11932   12.398 12.259 12.147   sdOB+K3V 80 0
76 PG 1248+164 HS* 12 50 50.2676425896 +16 10 03.166128120   14.40 14.460     sdB 26 0
77 GALEX J125702.3+435245 HS* 12 57 02.3068263576 +43 52 45.892224876   18.1   18.6   sdB 14 0
78 PG 1258+012 HS* 13 00 59.2051279416 +00 57 11.766735576   16.6   16.7   sdOHe 30 0
79 LB 27 HS* 13 02 41.7580477728 +27 40 42.169462536   12.93 11.97     sdO6.5VIIpHe35 44 1
80 LB 28 HS* 13 04 39.5724595416 +31 29 04.914817872   16.6   17.0   sdO 29 0
81 HE 1318-2111 HS* 13 21 15.6370363200 -21 27 17.629351236   14.57 14.77     sdO 17 0
82 Feige 81 HS* 13 31 53.5517863824 +15 41 17.573728740   13.24 13.507     sdBpec 49 0
83 GALEX J133638.8+111949 HS* 13 36 38.8181063760 +11 19 49.382384448   17.0   17.4   sdB 12 0
84 V* NY Vir HS* 13 38 48.1466908176 -02 01 49.207286748   13.43 13.66 13.75   sdB1VIIHe1 226 1
85 GALEX J134352.1+394008 HS* 13 43 52.1450149008 +39 40 08.386075560   17.7   18.4   sdBHe 9 0
86 GALEX J135807.9+261215 HS* 13 58 07.9613248344 +26 12 15.449622984   18.4   18.4   sdB 10 0
87 PG 1403+019 HS* 14 05 45.2598323208 +01 44 19.013040672   15.69 15.79 15.88   sdB 24 0
88 PG 1413+114 HS* 14 15 49.0544405496 +11 12 13.919058468 14.58 15.9 16.07 16.0   sdOC9.5VIIHe39 23 0
89 [CW83] 1419-09 HS* 14 22 40.3209682608 -09 17 21.784718400     12.09     sdOB 19 0
90 PG 1421-121 HS* 14 24 08.7743935896 -12 20 20.221592100   15.4   15.77   sdB 14 0
91 LBQS 1429-0015 HS* 14 31 53.0603608896 -00 28 24.350031516   17.5   19.0   sdO 15 0
92 PG 1432+159 HS* 14 35 18.9439382472 +15 40 14.376188748   13.63       sdB 35 1
93 PG 1438-029 HS* 14 40 52.8282561960 -03 08 52.656678456   13.64 13.79 14.23   sdBHe0 21 0
94 PG 1448-052 HS* 14 51 13.1204893176 -05 23 16.874665800   14.96       sdO8VIIHe0 17 0
95 PG 1502+113 HS* 15 05 13.5273847872 +11 08 36.707510400   15.14 15.38 15.87   sdB+D 16 0
96 SBSS 1506+498 SB* 15 08 29.0268644856 +49 40 50.914383456   17.5   17.6   O9V 18 0
97 GALEX J151415.6-012925 HS* 15 14 15.6671079912 -01 29 25.224822564   16.5   17.0 16.97 sdOHe 12 0
98 Ton 788 HS* 15 14 32.4559114224 +24 10 40.705772196   13.03 13.21     sdB 36 0
99 PG 1519+640 HS* 15 20 31.3676002152 +63 52 08.251179924   12.03 12.18     sdB1.5VIIHe5 39 0
100 GALEX J152222.1-013018 HS* 15 22 22.1520741984 -01 30 18.312510312   17.3   17.7   sdB+D 16 0
101 SDSS J152705.04+110843.9 HS* 15 27 05.0388635328 +11 08 44.014605180           sdOB 13 0
102 PG 1528+104 HS* 15 31 10.3888662624 +10 15 00.931449960   13.90 14.14     sdB 22 0
103 FBS 1531+381 HS* 15 33 49.4441301600 +37 59 28.095378720     13.08     sdB+dM 44 0
104 SBSS 1532+547 HS* 15 34 11.1131172096 +54 33 45.400524732           sdB 17 0
105 Ton 245 HS* 15 40 23.4584740128 +26 48 29.782769184   13.653 13.859 14.073   sdB 47 0
106 PG 1544+488 HS* 15 46 11.6930203944 +48 38 37.228874928   12.52 12.79 13.08   sdBC1VIIpHe39 50 1
107 GALEX J155628.3+011334 HS* 15 56 28.3476059184 +01 13 34.934261988           sdB 16 0
108 GALEX J161140.5+201857 HS* 16 11 40.5066050376 +20 18 57.065870196   18.6   19.0   sdOB 9 0
109 GALEX J161817.7+120159 HS* 16 18 17.6562752184 +12 01 59.616890436   18.5   18.0   sdB 10 0
110 PG 1619+522 HS* 16 20 38.7296260680 +52 06 08.805043260   13.36       sdB0.5VIIHe7 32 0
111 PG 1621+476 HS* 16 22 56.6652852936 +47 30 51.128501040   16.07 16.19     sdB+dM 50 0
112 M 4 GlC 16 23 35.22 -26 31 32.7           ~ 1847 0
113 [KTK97] V46 HS* 16 23 47.19 -26 31 56.5 18.85 18.85 18.58 18.39 18.16 sdB 20 0
114 PG 1627+017 HS* 16 29 35.3015001600 +01 38 18.794125032   11.32       sdB3VIIHe3 42 0
115 GALEX J163702.8-011351 HS* 16 37 02.7891046800 -01 13 51.702198528           sdOHe 12 0
116 PG 1641+331 HS* 16 43 26.0466391488 +33 01 13.161215748   16.048 16.363     sdB 21 0
117 PG 1652+307 HS* 16 54 04.2604280400 +30 37 01.824863592   15.20 15.41 15.77   sdB 15 0
118 GALEX J170645.5+243208 HS* 17 06 45.5741597664 +24 32 08.657892168   17.7   17.9   sdB 10 0
119 SDSS J170810.98+244341.5 HS* 17 08 10.9797019368 +24 43 41.638232100   18.1   18.6   sdBHe 12 0
120 SBSS 1715+556 HS* 17 16 17.3420128512 +55 34 46.634777328   17.5   17.3   sdB 19 0
121 GALEX J171629.8+575121 HS* 17 16 29.9195011632 +57 51 21.198496608   17.6   18.4   sdO 14 0
122 PG 1716+426 HS* 17 18 03.8584522800 +42 34 12.562847292   13.69 13.97     sdB2VIIHe3 114 0
123 PG 1724+278 HS* 17 26 24.0995740464 +27 44 19.354086276   15.707 15.994 16.183   sdB+D 15 0
124 PG 1725+252 HS* 17 27 57.3822732240 +25 08 35.697468192   11.54 13.01     sdB1.5VIIHe2 28 0
125 [CW83] 1735+22 HS* 17 37 26.4244582176 +22 08 57.716443392   11.51 11.65     sdB+A? 28 0
126 PG 1743+477 HS* 17 44 26.3960708352 +47 41 46.918908168   13.68 13.79 13.99   sdB2VIIHe7 33 0
127 GALEX J174516.3+244348 HS* 17 45 16.3216747848 +24 43 48.408567492   17.2   17.8   sdOHe 10 0
128 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 14383 0
129 SDSS J175125.67+255003.4 HS* 17 51 25.6735408560 +25 50 03.435616392   17.4   17.4   sdB 13 0
130 OGLE BUL-SC16 335 * 18 09 48.2260900608 -26 41 49.486723692       16.04   M 18 1
131 HD 171858 HS* 18 37 56.6714756304 -23 11 35.188389420   9.64 9.85     sdB 41 0
132 ATO J291.5394+37.3356 HS* 19 26 09.4422931056 +37 20 08.163008556   13.60 13.63 14.05 13.96 sdB+dM 35 0
133 KPD 1930+2752 HS* 19 32 14.8088063952 +27 58 35.445679608 12.80 13.75 13.82     sdB 159 0
134 Kepler-451 HS* 19 38 32.6123816016 +46 03 59.135231952   12.17 12.69 12.46 12.399 sdB+dM 86 0
135 KPD 1946+4340 HS* 19 47 42.8876526504 +43 47 30.754543092 13.05 14.06 14.23 14.92   sdOB+D 60 0
136 HD 188112 HS* 19 54 31.4191828536 -28 20 20.679710640   10.01 10.22     sdB 96 0
137 V* V1828 Aql HS* 20 20 00.4587151080 +04 37 56.517736296   12.9   13.34   sdOB+dM 70 1
138 SDSS J202313.83+131254.9 HS* 20 23 13.8369619224 +13 12 54.947653488   17.2   17.4   sdB 8 0
139 SDSS J202758.63+773924.5 HS* 20 27 58.6302464928 +77 39 24.573663540           sdO 7 0
140 KPD 2040+3955 HS* 20 42 33.9314151936 +40 05 41.601180120 13.62 14.34 14.48 14.59   sdB 18 0
141 GALEX J204300.9+002145 HS* 20 43 00.9065922648 +00 21 45.052847352   18.4   18.7   sdO 10 0
142 GALEX J204448.6+153638 HS* 20 44 48.6300172392 +15 36 38.746938060   17.8   18.1   sdB 8 0
143 GALEX J204546.8-054355 HS* 20 45 46.8170398344 -05 43 55.648962660   17.9   17.4   sdB 12 0
144 GALEX J204613.4-045418 HS* 20 46 13.3997229312 -04 54 18.732467916   15.961 16.324     sdB+D 14 0
145 GALEX J204940.8+165004 HS* 20 49 40.8621862344 +16 50 03.622175484   16.8   17.7   sdOHe 10 0
146 SDSS J210454.88+110645.6 HS* 21 04 54.8842338912 +11 06 45.600555600   17.2   17.1   sdOB 8 0
147 JL 82 HS* 21 36 01.2957494184 -72 48 27.222290172 11.26 12.44 12.41 12.67   sdB 39 0
148 BPS CS 30343-0091 HS* 21 38 44.1996638736 -37 36 14.997662460 12.66 13.68 13.9     sdB 21 0
149 HE 2150-0238 HS* 21 52 35.5115148504 -02 24 29.523285216   15.8   16.2   sdB 15 0
150 PB 5010 HS* 21 56 48.7155326880 +00 36 20.793703752   17.8   18.2   sdB 16 0
151 HS 2231+2441 HS* 22 34 21.4832585640 +24 56 57.392918196     14.20     sdB+dM 52 1
152 PB 7352 HB* 22 55 43.1874214920 -06 59 39.865486164   12.09 12.21     sd 18 0
153 PG 2254+067 HS* 22 56 38.3455333032 +06 56 51.179249220   15.18       sdB 20 0
154 Feige 108 HS* 23 16 12.4074790200 -01 50 35.103759540 11.671 12.736 12.973 13.079 13.218 sdB 65 0
155 PG 2317+046 HS* 23 19 55.3509680256 +04 52 34.659100740 11.493 12.630 12.876 12.950 12.994 sdO8VIIHe1 37 0
156 SDSS J232757.46+483755.2 HS* 23 27 57.4683134520 +48 37 55.253737524           sdOHe 9 0
157 GALEX J233406.1+462250 HS* 23 34 06.1072894272 +46 22 49.318553244   16.0   16.6   sdOB 11 0
158 HS 2333+3927 HS* 23 35 42.5025647712 +39 44 27.064626936     14.53     sdOB 45 0
159 GALEX J234528.8+393504 HS* 23 45 28.8610104456 +39 35 05.264003796   17.3   17.5   sdOHe 9 0
160 PG 2345+318 HS* 23 48 07.5058804680 +32 04 48.038131020   13.99 14.19 14.66   sdB 30 0
161 FBS 2347+385 HS* 23 49 47.6462597640 +38 44 41.547259860   11.65 11.73 12.03   sdB 21 0

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