2021ApJ...922...30R

Query : 2021ApJ...922...30R

2021ApJ...922...30R - Astrophys. J., 922, 30-30 (2021/November-3)

New Galactic β Lyrae-type binaries showing superorbital photometric cycles.

ROJAS GARCIA G., MENNICKENT R., IWANEK P., GORRINI P., GARCES J., SOSZYNSKI I. and ASTUDILLO-DEFRU N.

Abstract (from CDS):

We present the discovery of 32 new double periodic variables (DPVs) located toward the Galactic bulge. We found these objects among the nearly half a million binary stars published by the Optical Gravitational Lensing Experiment project. With this discovery, we increase the number of known DPVs in the Milky Way by a factor of 2. The new set of DPVs contains 31 eclipsing binaries and one ellipsoidal variable star. The orbital periods cover the range from 1.6 to 26 days, while long periods are detected between 47 and 1144 days. Our analysis confirms a known correlation between orbital and long periods that is also observed in similar systems in the Magellanic Clouds.

Abstract Copyright: © 2021. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Eclipsing binary stars - Beta Lyrae stars - Double periodic variable stars

Simbad objects: 38

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Number of rows : 38
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 NGC 146 OpC 00 33 05.4 +63 19 17   9.59 9.1     ~ 69 0
2 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 7988 0
3 V* RX Cas SB* 03 07 45.7479808272 +67 34 38.612093520   10.14 8.64     K1III+A5eIII 189 0
4 HD 50846 SB* 06 54 54.7081653504 -01 22 32.850081768   8.44 8.43     B5/7Ib 162 0
5 OGLE BLG-ECL-22295 EB* 17 30 11.8759689312 -28 30 05.551846128     18.802   16.630 ~ 3 0
6 OGLE BLG-ECL-22845 EB* 17 30 30.8010534816 -30 50 26.176862616     19.294   16.137 ~ 4 0
7 OGLE BLG-ECL-26467 EB* 17 32 08.7673952976 -30 35 27.172439952     19.771   16.994 ~ 3 0
8 OGLE BLG-ECL-26993 EB* 17 32 20.4488688988 -28 00 25.639874091     19.291   16.778 ~ 4 0
9 OGLE BLG-ECL-29922 EB* 17 33 18.4994368224 -27 34 55.421423292     18.573   15.886 ~ 3 0
10 OGLE BLG-ECL-30962 EB* 17 33 35.56 -28 33 39.9     21.177   18.252 ~ 4 0
11 OGLE BLG-ECL-58684 EB* 17 39 53.6902901184 -33 20 44.673741240     20.902   17.661 ~ 4 0
12 OGLE BLG-ECL-62890 EB* 17 40 45.1633090512 -37 41 37.287200508     18.699   16.534 ~ 3 0
13 OGLE BLG-ECL-72154 EB* 17 42 27.0315105743 -21 37 33.577777331     17.387   15.940 ~ 4 0
14 OGLE BLG-ECL-76504 EB* 17 43 10.6520550648 -34 29 42.563996628     18.727   16.789 ~ 3 0
15 OGLE BLG-ECL-83987 EB* 17 44 18.7699200168 -32 52 45.175044720     21.274   18.042 ~ 4 0
16 OGLE BLG-ECL-101353 EB* 17 46 41.42 -21 52 56.1     19.719   17.118 ~ 4 0
17 OGLE BLG-ECL-116536 EB* 17 48 46.7631143856 -35 03 15.582671784     17.521   16.543 ~ 3 0
18 OGLE BLG-ECL-132549 EB* 17 50 48.5351863680 -30 40 19.934000400     20.168   17.108 ~ 3 0
19 OGLE BLG-ECL-137478 EB* 17 51 20.8633073568 -22 51 19.491255540     18.899   16.382 ~ 3 0
20 OGLE BLG-ECL-143267 EB* 17 51 53.66 -32 52 22.0     19.050   16.613 ~ 5 0
21 OGLE BLG-ECL-184474 EB* 17 55 23.6702892528 -22 09 16.315870212     21.290   17.495 ~ 3 0
22 OGLE BLG-ECL-186594 EB* 17 55 34.1477849099 -32 49 34.280714524     17.663   16.253 ~ 4 0
23 OGLE BLG-ECL-189682 EB* 17 55 50.3237875320 -31 31 09.158384604     18.676   16.292 ~ 3 0
24 OGLE BLG-ECL-196052 EB* 17 56 21.93 -20 31 35.7     18.809   16.097 ~ 3 0
25 OGLE BLG-ECL-198013 EB* 17 56 32.45 -21 34 05.7     20.263   17.435 ~ 3 0
26 OGLE BLG-ECL-201730 EB* 17 56 51.0404248224 -35 09 18.762286752     16.467   15.586 ~ 4 0
27 OGLE BLG-ECL-210744 EB* 17 57 36.68 -29 47 31.5         16.803 ~ 4 0
28 OGLE BLG-ECL-222537 EB* 17 58 38.3593906824 -34 25 27.373358640         15.737 ~ 3 0
29 OGLE BLG-ECL-271003 EB* 18 03 00.4083914783 -28 39 53.687146036     18.375   17.592 ~ 3 0
30 OGLE BLG-ECL-275974 EB* 18 03 27.9889285320 -27 43 43.109527260     17.637   15.866 ~ 4 0
31 OGLE BLG-ECL-279247 EB* 18 03 45.5951448648 -26 57 40.485895272     19.327   16.527 ~ 3 0
32 OGLE BLG-ECL-327914 EB* 18 08 32.1641722632 -25 29 53.209682376     17.584   15.308 ~ 3 0
33 OGLE BLG-ECL-328103 EB* 18 08 33.2286961433 -29 58 07.491662256     17.168   15.598 ~ 4 0
34 OGLE BLG-ECL-331967 EB* 18 08 59.5196028623 -26 36 48.477500018     17.309   15.786 ~ 4 0
35 OGLE BLG-ECL-369067 EB* 18 13 28.5903211032 -23 35 56.700037644     17.749   15.786 ~ 3 0
36 OGLE BLG-ELL-24487 El* 18 18 18.6400474608 -28 07 26.575049316     15.186   14.353 ~ 3 0
37 * 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
38 NAME Galactic Bulge reg ~ ~           ~ 4794 0

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