1998A&AS..130..299S

Query : 1998A&AS..130..299S

1998A&AS..130..299S - Astron. Astrophys., Suppl. Ser., 130, 299-304 (1998/June-1)

CCD astrometry and UBV photometry of visual binaries. II. Visual double stars with mainly G - type primaries and relatively small angular separation.

SINACHOPOULOS D. and VAN DESSEL E.

Abstract (from CDS):

Differences {DELTA}V of magnitude and {DELTA}(B-V) and {DELTA}(U-B) colours, as well as separations and position angles of 42 relatively close double stars are presented. The selection criteria of our sample are: the relatively small separation (between 2.5 and 5 arcseconds), magnitude difference under 1.25mag, and mainly G-type primaries. The CCD observations, performed at the 90 cm Dutch telescope at ESO, were made using the Bessel U, B and V filters; the astrometry was done in the V filter only. From the analysis of the photometric data we conclude that 16 binaries in our sample have components with practically the same Teff, since they have almost the same colours; one binary has components with identical characteristics. We also note the good internal accuracy of the astrometric CCD measurements.

Abstract Copyright: ∼

Journal keyword(s): stars: binaries: visual - astrometry

Simbad objects: 57

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Number of rows : 57
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 CD-38 49 PM* 00 14 49.1885220912 -37 36 32.544990684   10.52 9.91 10.19   G2 11 0
2 HD 1220A * 00 16 01.7950907232 -74 00 28.340855280   10.41 9.90 10.036   F3/6IV/V 11 0
3 HD 1678 ** 00 21 04.99176 -00 15 07.3368           G5V 4 0
4 CD-29 92 ** 00 22 00.179 -28 22 45.01           G5 7 0
5 CPD-59 36 ** 00 26 11.36760 -58 31 31.1376           ~ 4 0
6 ESO 112-4 G 00 28 04.405 -58 06 11.02   15.93   14.69   ~ 29 0
7 HD 2849A * 00 31 10.5073332332 -64 17 37.003152164   11.15 10.37     ~ 15 0
8 HD 2849 ** 00 31 10.5123930 -64 17 37.020643           F8IV/V 15 0
9 HD 2917 ** 00 32 18.0693 -30 48 18.843   11.30 10.82     G0V 5 0
10 HD 4235 * 00 44 41.2847301120 -21 36 02.188300680   11.03 10.45     F7/8V 6 0
11 CPD-65 104 * 01 01 58.1452457376 -64 30 37.401916680   11.14 10.64     ~ 5 0
12 HD 6429 ** 01 04 39.30608 -36 13 56.4258           F6V 10 0
13 HD 9793 ** 01 35 27.4989136848 -16 47 34.593836856   10.222 9.67     G1V 25 0
14 HD 9971 ** 01 35 29.3825 -65 21 58.043   10.73 10.24     F2/3V 10 0
15 HD 10411A * 01 41 19.2985608970 -12 08 50.019169380   10.36 9.69     G1V 14 0
16 HD 10445 ** 01 41 31.5144410352 -17 59 16.525838544   9.53 9.01     G1V 5 0
17 PHL 7704 * 01 43.8 -11 49   17.0       GIV 1 0
18 CD-42 671 ** 01 56 39.33840 -42 22 21.1440           ~ 4 0
19 QSO B0156-4223 QSO 01 58 48.9 -42 08 48     19.7     ~ 4 0
20 HD 13425 ** 02 09 42.12336 -51 58 10.6860           G0 3 0
21 HD 16359 ** 02 36 46.76 -25 42 07.7   10.2 9.5     K0/1+F/G 13 0
22 CD-41 739 ** 02 37 10.57104 -40 36 12.1752           G0 4 0
23 HD 16633 * 02 38 39.1894925160 -40 19 14.355420672   10.11 9.68     F3V 6 0
24 CD-40 686 * 02 39 36.8008427112 -39 58 07.488128100   11.06 10.53     ~ 2 0
25 CD-50 929 ** 03 08 14.42328 -49 59 57.3504           ~ 7 0
26 CD-50 936 SB* 03 10 41.0389672776 -49 44 33.973580688   11.29 10.62     ~ 2 0
27 HD 20861 ** 03 20 03.37051 -45 14 23.5129           G6III/IV 3 0
28 BD-01 498 ** 03 26 36.00530 -01 06 14.9182           G2 11 0
29 IRAS 03264-0105 G 03 29 02.5812368856 -00 55 38.836811100           ~ 15 0
30 HD 22749 ** 03 35 03.76512 -67 49 59.9736           ~ 3 0
31 CD-51 856 * 03 38.1 -50 57           ~ 1 0
32 HD 23330 ** 03 43 25.2372220728 -26 35 54.888057060   10.77 10.23     F7/8V 4 0
33 HD 23696 ** 03 45 17.97747 -44 22 59.0344           F7/G0 3 0
34 HD 23696A * 03 45 18.0434388304 -44 22 58.249491358   10.96 10.41 10.501   ~ 4 0
35 CD-42 1275 ** 03 51 58.81 -42 19 07.5           ~ 1 0
36 CD-42 1286 * 03 53 19.8368006520 -42 12 21.209018184   10.64 10.14     ~ 6 0
37 HD 25458 ** 04 02 22.54531 -07 00 18.3158           G2V 18 0
38 BD+00 768 ** 04 29 27.740400 +00 24 50.06124   10.921 10.031 10.084   G5 3 0
39 BD-00 711 * 04 31 27.1034164488 -00 19 36.227862408   11.0 10.4     ~ 1 0
40 HD 29702 ** 04 39 47.260 -19 53 40.08   10.228 9.738     G2/3V 8 0
41 HD 32847 ** 05 02 48.38496 -55 47 38.6664           F5IV 3 0
42 HD 35749 ** 05 26 55.17072 +00 38 35.7612           F5V 4 0
43 BD-12 1190 ** 05 30 45.512 -12 51 22.04   8.8 9.8     G0 2 0
44 HD 36698 * 05 33 06.7586072784 -12 54 13.002042780   9.02 8.81     A3V 14 0
45 HD 43677 ** 06 14 30.99678 -53 04 45.9372           F8/G0V 27 0
46 HD 45400A PM* 06 26 51.2613691776 -06 46 06.875621868   10.93 10.40 10.430   F7/G0 8 0
47 CD-52 1598 ** 06 34 14.09232 -52 19 05.7756           G 5 0
48 HD 47427 * 06 35 36.3449690784 -52 20 21.738588612   9.42 9.03     F2V 17 0
49 HD 48306 ** 06 40 11.18511 -49 28 34.7002           G0 3 0
50 HD 50290 * 06 51 23.1390911352 -27 54 36.631124280   9.49 9.49     B9.5V 9 0
51 HD 60483 ** 07 29 34.73736 -68 09 20.6316           G5III 5 0
52 HD 62770 ** 07 45 14.57544 -09 00 20.4228           G2V 4 0
53 HD 67193 * 08 05 02.9691011361 -41 23 15.094174230   11.03 10.59 10.477   F5V 3 0
54 CD-41 3843 ** 08 10 49.646904 -41 51 54.95004   10.637 10.159 10.807   G0 4 0
55 HD 68917 SB* 08 12 47.8607845104 -41 54 37.050370488   9.01 8.95     A0V 9 0
56 HD 69238A PM* 08 14 18.4165289688 -43 41 39.540609456   9.48 8.85 9.44   F7/8V 17 0
57 HD 69864 ** 08 14 39.5276408 -66 16 12.485196           G0V 17 0

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