2021ApJS..257...69H

Query : 2021ApJS..257...69H

2021ApJS..257...69H - Astrophys. J., Suppl. Ser., 257, 69-69 (2021/December-0)

Surveying the bright stars by optical interferometry. III. A magnitude-limited multiplicity survey of classical be stars.

HUTTER D.J., TYCNER C., ZAVALA R.T., BENSON J.A., HUMMEL C.A. and ZIRM H.

Abstract (from CDS):

We present the results of a multiplicity survey for a magnitude-limited sample of 31 classical Be stars conducted with the Navy Precision Optical Interferometer and the Mark III Stellar Interferometer. The interferometric observations were used to detect companions in 10 previously known binary systems. For two of these sources (66 Oph and β Cep) new orbital solutions were obtained, while for a third source (υ Sgr) our observations provide the first direct, visual detection of the hot companion to the primary star. Combining our interferometric observations with an extensive literature search, we conclude that an additional four sources (o Cas, 15 Mon, β Lyr, and β Cep) also contain wider binary components that are physical companions to the narrow binaries, thus forming hierarchical multiple systems. Among the sources not previously confirmed as spectroscopic or visual binaries, BK Cam was resolved on a number of nights within a close physical proximity of another star with relative motion possibly suggesting a physical binary. Combining our interferometric observations with an extensive literature search, we provide a detailed listing of companions known around each star in the sample, and discuss the multiplicity frequency in the sample. We also discuss the prospects for future multiplicity studies of classical Be stars by long-baseline optical interferometry.

Abstract Copyright: © 2021. The American Astronomical Society. All rights reserved.

Journal keyword(s): Interferometric binary stars - Binary stars - Be stars - Spectroscopic binary stars - Visual binary stars - Interferometers - OB stars - Michelson interferometers - High angular resolution - Companion stars - Optical double stars - Wide binary stars

Errata: erratum vol. 258, art. 45 (2022)

Simbad objects: 72

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Number of rows : 72
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 * gam Peg bC* 00 13 14.1523490172 +15 11 00.954346538 1.75 2.61 2.84 2.94 3.13 B2IV 720 0
2 * zet Cas bC? 00 36 58.2844874846 +53 53 48.877599163 2.58 3.47 3.66 3.74 3.95 B2IV 470 0
3 * omi Cas Be* 00 44 43.5186007265 +48 17 03.731037403 3.91 4.44 4.50 4.45 4.50 B5IIIe 291 0
4 * gam Cas HXB 00 56 42.5310945 +60 43 00.264089 1.18 2.29 2.39 2.32 2.40 B0.5IVpe 1253 0
5 HD 5408 ** 00 56 46.97166 +60 21 46.2192   5.500 5.566     B7Vn+B9VHgMn+A1V 133 1
6 * phi Per Be* 01 43 39.6379691568 +50 41 19.433124998 3.10 4.02 4.06 3.90 3.88 B1.5V:e-shell 594 0
7 * eps Cas Be* 01 54 23.7340861680 +63 40 12.360238788 2.61 3.22 3.37 3.40 3.52 B3Vp_sh 207 0
8 * zet Ari PM* 03 14 54.0983200320 +21 02 40.009229304   4.858 4.869     A1V 100 0
9 HD 20336 Be* 03 19 59.2693390128 +65 39 08.285606820 3.93 4.70 4.85 4.88 5.01 B2.5Vn(e) 226 0
10 * psi Per Be* 03 36 29.3797327450 +48 11 33.484405927 3.60 4.17 4.23     B5Ve 431 0
11 * 17 Tau Be* 03 44 52.5370897890 +24 06 48.016260072 3.19 3.59 3.70 3.71 3.80 B6IIIe 415 1
12 * 20 Tau PM* 03 45 49.6081548365 +24 22 03.877565838 3.40 3.80 3.87 3.85 3.90 B7III 451 1
13 * 23 Tau Be* 03 46 19.5858871361 +23 56 54.092177220 3.70 4.12 4.18   4.16 B6IV(e) 446 2
14 HD 23608 SB* 03 47 16.5764110218 +24 07 41.906506002   9.15 8.72   8.09 F3V 92 0
15 * eta Tau Be* 03 47 29.0765529 +24 06 18.488347 2.44 2.78 2.87 2.84 2.88 B7III 557 1
16 HD 23753 PM* 03 48 20.8167826752 +23 25 16.495877028 5.06 5.38 5.45 5.42 5.48 B8V 194 0
17 * 28 Tau Be* 03 49 11.2165977912 +24 08 12.156712008 4.73 5.01 5.09   5.08 B8Vne 494 0
18 * gam Cam * 03 50 21.5093354053 +71 19 56.157983750   4.655 4.604     A2IVn 68 0
19 * eps Per bC* 03 57 51.2393818140 +40 00 36.719213615 1.71 2.71 2.89 2.96 3.14 B0.5III 533 0
20 * c Per Be* 04 08 39.6935695869 +47 42 45.038007366 3.45 4.00 4.03 3.91 3.93 B3Ve 394 0
21 * kap01 Tau PM* 04 25 22.1644730361 +22 17 37.935906104   4.366 4.201     A7IV-V 198 0
22 * iot Tau ** 05 03 05.7465241272 +21 35 23.860305924   4.797 4.615     A7V 189 0
23 * gam Ori V* 05 25 07.86325 +06 20 58.9318 0.54 1.42 1.64 1.73 1.95 B2III 542 1
24 * zet Tau Be* 05 37 38.6854231 +21 08 33.158804 2.22 2.84 3.03 3.06 3.15 B1IVe_shell 751 0
25 * ome Ori Be* 05 39 11.1457980782 +04 07 17.288290296 3.73 4.48 4.59 4.57 4.67 B3Ve 424 1
26 * 13 Mon sg* 06 32 54.2279021568 +07 19 58.690911432 4.30 4.50 4.50 4.40 4.36 A0Ib 208 1
27 NGC 2264 OpC 06 40 53.7 +09 52 32           ~ 1876 0
28 * 15 Mon Be* 06 40 58.65963 +09 53 44.7229 3.360 4.45 4.68   4.88 O7V+B1.5/2V 823 0
29 NAME Cone Nebula DNe 06 41.1 +09 53           ~ 91 1
30 * tet Gem PM* 06 52 47.3388625619 +33 57 40.524337771 3.84 3.70 3.60 3.50 3.42 A2IV 144 0
31 * lam Gem PM* 07 18 05.5789195368 +16 32 25.389581244   3.674 3.559     A4IV 269 0
32 * bet CMi Be* 07 27 09.0417373 +08 17 21.536745 2.52 2.80 2.89 2.90 2.96 B8Ve 400 0
33 * phi Leo PM* 11 16 39.6997760978 -03 39 05.771550444   4.654 4.450     A5V 135 0
34 * sig Leo PM* 11 21 08.1937792083 +06 01 45.558012784   3.984 4.040     B9.5Vs 148 0
35 * del UMa PM* 12 15 25.5598467041 +57 01 57.421119850 3.460 3.410 3.320 3.25 3.25 A2Vn 312 0
36 * kap Dra Be* 12 33 28.9433168544 +69 47 17.659892220 3.18 3.75 3.89 3.84 3.92 B6IIIe 395 0
37 * g UMa ** 13 25 13.5378333 +54 59 16.654781 4.260 4.180 4.010 3.85 3.78 A5V+M3-4V 318 0
38 * 109 Vir PM* 14 46 14.9234473441 +01 53 34.381780831 3.69 3.72 3.73 3.66 3.68 A0IIInn 346 0
39 * nu.02 Boo ** 15 31 46.9830456456 +40 53 57.605506908   5.074 4.978     A2V 123 0
40 * eps Ser PM* 15 50 48.9652705631 +04 28 39.831495034   3.844 3.693     kA2hA5mA7V 206 0
41 * 48 Lib Be* 15 58 11.3682502453 -14 16 45.681109093 4.61 4.77 4.87 4.91 4.96 B5IIIp_sh 446 0
42 * del Sco SB* 16 00 20.00528 -22 37 18.1431 1.30 2.20 2.32 2.36 2.49 B0.3IV 776 0
43 * pi. Ser * 16 02 17.6914838952 +22 48 16.029143784   4.887 4.817     A3V 98 0
44 * psi Sco * 16 11 59.9931241272 -10 03 50.910154632   5.029 4.928     A1V 104 0
45 * gam Her PM* 16 21 55.2146227867 +19 09 11.262744388 4.22 4.03 3.76 3.47 3.33 A9IIIbn 184 0
46 * chi Oph Be* 16 27 01.4355697915 -18 27 22.499961252 3.95 4.71 4.43 3.97 3.73 B2Vne 624 0
47 * zet Oph Be* 16 37 09.5400587698 -10 34 01.509742704 1.73 2.58 2.56 2.46 2.50 O9.2IVnn 1908 0
48 * del Her SB* 17 15 01.91058 +24 50 21.1451 3.29 3.21 3.13 3.08 3.05 A1IVn 209 0
49 * gam Oph PM* 17 47 53.5605898827 +02 42 26.204838837 3.83 3.80 3.75 3.71 3.71 A1VnkA0mA0 411 0
50 * 66 Oph Be* 18 00 15.7957050537 +04 22 07.122326765 3.77 4.58 4.60 4.47 4.49 B2Ve 358 0
51 * 72 Oph PM* 18 07 20.9848472070 +09 33 49.848215907 3.95 3.85 3.73 3.59 3.54 A5V 156 0
52 * omi Her Be* 18 07 32.5511122149 +28 45 44.967836300 3.74 3.802 3.827     B9.5III 162 0
53 * bet Lyr SB* 18 50 04.7951442356 +33 21 45.600371200 2.85 3.42 3.42 3.31 3.29 B8.5Ib-II 955 0
54 * gam Lyr * 18 58 56.6225626515 +32 41 22.400666366 3.140 3.200 3.250 3.27 3.28 B9.5II-III 296 0
55 * zet Aql PM* 19 05 24.6080155 +13 51 48.518212 2.99 3.00 2.99 2.98 2.98 A0IV-Vnn 364 0
56 * rho01 Sgr dS* 19 21 40.3598637926 -17 50 49.914906667 4.29 4.15 3.93 3.74 3.64 A9IV 136 0
57 * ups Sgr Be* 19 21 43.6225957281 -15 57 18.062726294 4.18 4.71 4.61 4.34 4.21 B2Vp_sh 312 0
58 * iot Cyg PM* 19 29 42.3582272955 +51 43 47.200519388   3.899 3.755     A5V 143 0
59 * 55 Cyg s*b 20 48 56.2915921440 +46 06 50.883645024 4.83 5.28 4.86 4.41 4.10 B2.5Ia 506 0
60 * f01 Cyg Be* 20 59 49.5541247496 +47 31 15.363746436 3.77 4.71 4.75 4.62 4.63 B1.5Vnne 514 0
61 * sig Cyg s*b 21 17 24.9522700076 +39 23 40.847039148 3.98 4.37 4.24 4.06 3.92 B9Iab 272 0
62 * ups Cyg Be* 21 17 55.0858548408 +34 53 48.825463560 3.50 4.32 4.42 4.37 4.45 B2Vne 321 0
63 * bet Cep bC* 21 28 39.5968513 +70 33 38.574681 2.05 3.01 3.23 3.33 3.55 B0.5IIIs 756 0
64 * omi Aqr Be* 22 03 18.8440617830 -02 09 19.313835540 4.22 4.64 4.69 4.70 4.74 B5V 279 0
65 * pi. Peg RG* 22 09 59.2430193207 +33 10 41.600399246 4.93 4.75 4.29 3.90 3.63 F5II-III_sh 140 0
66 * tet Peg PM* 22 10 11.9886121211 +06 11 52.517717538 3.72 3.62 3.55 3.50 3.46 A1Va 194 0
67 * 31 Peg Be* 22 21 31.0751048 +12 12 18.662815 4.08 4.89 4.99 5.06 5.20 B3III 227 0
68 * 4 Lac s*b 22 24 30.9914928480 +49 28 35.010584652 4.33 4.67 4.58 4.45 4.35 B9Iab-Ib 188 0
69 * alf Lac PM* 22 31 17.5014213452 +50 16 56.969913082 3.78 3.78 3.77 3.77 3.80 A1V 270 0
70 * eta Aqr PM* 22 35 21.3813673792 -00 07 02.990663718 3.690 3.950 4.030 4.06 4.13 B8/9V 164 0
71 * 42 Peg PM* 22 41 27.7207176 +10 49 52.907917 3.10 3.33 3.41 3.43 3.50 B8.5IV 320 0
72 * bet Psc Be* 23 03 52.6132153632 +03 49 12.164302217 3.90 4.40 4.52 4.54 4.67 B6Ve 259 0

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