2007AJ....133..545R

Query : 2007AJ....133..545R

2007AJ....133..545R - Astron. J., 133, 545-552 (2007/February-0)

Adaptive optics photometry and astrometry of binary stars. II. A multiplicity survey of B stars.

ROBERTS L.C.Jr, TURNER N.H. and TEN BRUMMELAAR T.A.

Abstract (from CDS):

We carried out a search for companions to B stars using the adaptive optics system of the Advanced Electro-Optical System 3.6 m telescope. We observed 70 B stars in the I band, finding 16 companions, 10 of which are newly discovered companions. For each system with a detected companion we give its measured astrometry and differential magnitude. We then put the observation in context of the system's known multiplicity and provide a somewhat crude estimate of its spectral type based on the single differential magnitude measurement. The separations range from 0.2" to 7.31", and the differential magnitudes range from 1.41±0.01 to 10.1±0.5. Finally, we present a list of the null detections and discuss the implications of null detections of selected stars.

Abstract Copyright: ∼

Journal keyword(s): Astrometry - Stars: Binaries: Close - Stars: Binaries: Visual - Instrumentation: Adaptive Optics - Techniques: Photometric

Simbad objects: 69

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Number of rows : 69
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 * 29 Psc V* 00 01 49.4481127032 -03 01 39.011820024 4.47 4.98 5.10     B7III-IV 224 0
2 * 2 Cet * 00 03 44.3878310010 -17 20 09.569194312 4.4 4.483 4.536   4.58 B9IVn 117 0
3 V* V567 Cas a2* 00 05 06.1508805192 +61 18 50.292327564   5.710 5.791     B6III 62 0
4 * alf And a2* 00 08 23.25988 +29 05 25.5520 1.48 1.95 2.06 2.09 2.19 B8IV-VHgMn 467 1
5 * gam Peg bC* 00 13 14.1523490172 +15 11 00.954346538 1.75 2.61 2.84 2.94 3.13 B2IV 693 0
6 * pi. And SB* 00 36 52.8513216207 +33 43 09.636294654 3.65 4.20 4.36 4.40 4.52 B5V 199 0
7 * ksi Cas SB* 00 42 03.8922075864 +50 30 45.120403944 4.05 4.71 4.81 4.82 4.94 B2V 142 0
8 * 68 Cas Pu* 00 44 26.1915514056 +47 51 50.342883408   5.520 5.648     B5V 107 0
9 * nu. And SB* 00 49 48.8463243776 +41 04 44.079221948 3.80 4.38 4.53 4.56 4.71 B5V 219 0
10 * gam Cas HXB 00 56 42.5310945 +60 43 00.264089 1.18 2.29 2.39 2.32 2.40 B0.5IVpe 1209 0
11 HD 6325 * 01 03 24.5122575000 -54 09 44.066081916   10.65 9.20     K3III 11 0
12 * tau And V* 01 40 34.8161856549 +40 34 37.339701270 4.44 4.85 4.94 4.95 5.02 B5III 78 0
13 * gam02 And SB* 02 03 54.7580291496 +42 19 51.281119488   5.02 5.82     B9.5V+A0V 149 1
14 * ksi02 Cet * 02 28 09.5570589539 +08 27 36.216809306 4.14 4.25 4.30 4.29 4.34 B9III 336 0
15 * del Cet bC* 02 39 28.9568473856 +00 19 42.631195332 2.97 3.85 4.07     B2IV 380 0
16 * 35 Ari SB* 02 43 27.1142794560 +27 42 25.737873444 3.91 4.54 4.67 4.69 4.82 B3V 176 0
17 * 41 Ari ** 02 49 59.0332406 +27 15 37.826018   3.498 3.594     B8Vn 162 0
18 * lam Cet * 02 59 42.8925388548 +08 54 26.589196584 4.13 4.58 4.70 4.72 4.70 B6III 99 0
19 * bet Per SB* 03 08 10.1324535 +40 57 20.328013 1.70 2.07 2.12 2.08 2.11 B8V 1220 1
20 HD 19698 * 03 10 38.7931409328 +11 52 21.426528036   5.901 5.970     B8V 47 0
21 * eta Tau Be* 03 47 29.0765529 +24 06 18.488347 2.44 2.78 2.87 2.84 2.88 B7III 536 1
22 * 28 Tau Be* 03 49 11.2165977912 +24 08 12.156712008 4.73 5.01 5.09   5.08 B8Vne 468 0
23 * zet Per s*b 03 54 07.9224751 +31 53 01.081262 2.19 2.97 2.85 2.71 2.62 B1Ib 856 0
24 * eps Per bC* 03 57 51.2320472 +40 00 36.775143 1.71 2.71 2.89 2.96 3.14 B0.5III 519 0
25 * 126 Tau ** 05 41 17.7176759 +16 32 02.925299 4.1 4.709 4.836     B3IV 164 0
26 * kap Ori s*b 05 47 45.3888404 -09 40 10.577707 0.87 1.88 2.06 2.09 2.27 B0.5Ia 569 0
27 HD 44458 Be* 06 21 24.7165403448 -11 46 23.666159604 4.74 5.56 5.55 5.38 5.34 B1.5IVe 158 0
28 * kap Hya V* 09 40 18.3631874929 -14 19 56.239612796   4.909 5.052     B3/5IV/V 162 0
29 * nu. Leo SB* 09 58 13.3753792440 +12 26 41.300627166 5.01 5.212 5.260     B6IV 79 0
30 HD 87015 Pu* 10 02 48.9496106808 +21 56 57.326188596 4.73 5.485 5.663     B2V 94 0
31 * ups02 Hya V* 10 05 07.4696107864 -13 03 52.655374811 4.22 4.500 4.588     B8V 83 0
32 * 90 Leo ** 11 34 42.49024 +16 47 48.8956 5.150 5.780 5.940     B6.6(IV)+B3.7(V) 149 0
33 * 31 Crt SB* 12 00 51.1591616208 -19 39 32.332235148   5.080 5.264     B2IV 121 0
34 * gam Crv PM* 12 15 48.37081 -17 32 30.9496 2.12 2.47 2.58 2.62 2.71 B8III 237 1
35 * 14 CVn V* 13 05 44.4355388112 +35 47 56.039769924   5.132 5.195     B9V 97 0
36 * alf Vir bC* 13 25 11.57937 -11 09 40.7501 -0.20 0.74 0.97 1.06 1.30 B1V 855 2
37 * 84 UMa a2* 13 46 35.6567876472 +54 25 57.643558644   5.632 5.675     A0VpSrCrEu 158 0
38 * eta UMa PM* 13 47 32.43776 +49 18 47.7602 0.99 1.67 1.86 1.98 2.16 B3V 608 0
39 * bet Lib PM* 15 17 00.41382 -09 22 58.4919 2.14 2.51 2.62 2.67 2.76 B8Vn 272 0
40 HD 148688 s*b 16 31 41.7687715992 -41 49 01.732565676 5.16 5.78 5.39 5.05 4.70 B1Iaeqp 162 0
41 * mu. Nor s*b 16 34 05.0193637737 -44 02 43.120603946 4.05 4.99 4.94 6.36   O9.7Iab 275 0
42 HD 152235 s*b 16 53 58.8528412848 -41 59 39.577848180 6.47 6.92 6.38 5.84 5.42 B0.5Ia 192 0
43 HD 154450 Be* 17 07 05.1549155112 -35 45 32.376363876 7.88 8.47 7.93 8.66   B1:IIInne 43 0
44 HD 157038 s*b 17 22 39.2179927464 -37 48 16.699933296 6.99 7.20 6.44 5.70 5.15 B3Iap 108 0
45 HD 158902 * 17 33 03.4410710760 -29 39 03.037662144 7.31 7.535 7.217 8.18   B3II 34 0
46 * iot Her bC* 17 39 27.8868980278 +46 00 22.792978043 2.940 3.630 3.800     B3IV 448 1
47 V* V907 Sco SB* 17 56 55.5622524456 -34 45 01.218496968   8.75 8.63     B9V 52 0
48 HD 164637 Y*O 18 03 01.7110651344 -22 43 06.561575580 5.8 6.649 6.718 7.84   B0Ib/II 91 0
49 HD 164863 * 18 04 12.6426676320 -22 30 03.252012048 6.36 7.17 7.22 8.28   B0V 28 1
50 HD 164906 Be* 18 04 25.8330927672 -24 23 08.363828580 6.78 7.61 7.381 7.11 6.91 B0Ve 128 0
51 HD 165516 * 18 07 11.3535033312 -21 26 38.167853496 5.73 6.45 6.33 6.18 6.03 B1/2Ib 85 0
52 HD 168987 * 18 23 09.0212102832 -16 35 36.775407480 8.73 8.99 8.13 8.58   B1Ia/ab 30 0
53 HD 169454 s*b 18 25 15.1937863728 -13 58 42.309359544 7.39 7.61 6.71 5.82 5.13 B1Ia+ 338 1
54 HD 170938 s*b 18 32 37.7939337168 -15 42 05.895891036 8.58 8.84 7.99 7.28 6.45 B1Ia 73 0
55 HD 171012 s*b 18 33 10.0974482736 -18 22 06.189324240 6.90 7.49 6.99 6.58 6.18 B0.2Ia 68 0
56 HD 171432 * 18 35 36.7572972816 -18 33 02.249563392 6.59 7.30 7.12 8.07   B0.5Ib 46 0
57 * bet Lyr SB* 18 50 04.7951442356 +33 21 45.600371200 2.85 3.42 3.42 3.31 3.29 B8.5Ib-II 926 0
58 * gam Lyr * 18 58 56.6225626515 +32 41 22.400666366 3.140 3.200 3.250 3.27 3.28 B9III 284 0
59 * lam Aql PM* 19 06 14.9386542192 -04 52 57.225885348 3.07 3.34 3.43 3.46 3.55 B8.5V 225 0
60 * bet02 Cyg Be* 19 30 45.3961817904 +27 57 54.989118612 4.69 5.01 5.11     B8Ve 166 0
61 HD 187235 Pu* 19 47 27.7798689264 +38 24 27.412726248   5.728 5.824     B8Vn 57 0
62 * alf Del ** 20 39 38.2796355689 +15 54 43.776032197 3.550 3.740 3.800 3.77 3.81 B9IV 280 0
63 * pi.02 Cyg SB* 21 46 47.6097792927 +49 18 34.454260528 3.4 4.11 4.18     B3III 173 0
64 * 2 Lac SB* 22 21 01.5473008957 +46 32 11.651206597 3.95 4.431 4.540     B6V 124 0
65 * eta Aqr PM* 22 35 21.3813673792 -00 07 02.990663718 3.690 3.950 4.030 4.06 4.13 B8/9V 159 0
66 * 42 Peg PM* 22 41 27.7207176 +10 49 52.907917 3.10 3.33 3.41 3.43 3.50 B8V 309 0
67 * omi And Be* 23 01 55.2649954408 +42 19 33.655865640 3.00 3.53 3.62 3.61 3.69 B6IV/V_sh 428 0
68 * bet Psc Be* 23 03 52.6132153632 +03 49 12.164302217 3.90 4.40 4.52 4.54 4.67 B6Ve 252 0
69 * alf Peg PM* 23 04 45.65345 +15 12 18.9617 2.38 2.44 2.48 2.47 2.50 B9III 353 0

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