1997A&A...317..104W


C.D.S. - SIMBAD4 rel 1.7 - 2021.01.22CET21:08:18

1997A&A...317..104W - Astronomy and Astrophysics, volume 317, 104 (1997/1-1)

Apsidal motion in the eclipsing binary OX Cassiopeiae.

WOLF M., SAROUNOVA L. and DIETHELM R.

Abstract (from CDS):

We report several new reliable times of minimum of the eccentric eclipsing binary OX Cas (P=2.48934days, e=0.04, V=9.92mag, B2V+B2V). The O-C diagram is analyzed using all precise timings found in the literature and improved values for the elements of the apsidal motion and the internal structure constant are computed. We have found a short period of apsidal motion U=37.3±0.7yr and the internal structure constant k2,obs=0.0060.

Abstract Copyright:

Journal keyword(s): stars: binaries: eclipsing - stars: individual: OX Cas - stars: fundamental parameters

Simbad objects: 7

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Number of rows : 7

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 NGC 381 OpC 01 08 19.9 +61 35 02     9.3     ~ 52 0
2 V* OX Cas Al* 01 09 00.0987902761 +61 28 14.837498256 9.71 10.18 9.9     B6+G0 91 0
3 BD+60 171 * 01 09 33.1584619523 +61 23 08.936643888   9.59 9.34     B5k 9 0
4 BD+60 173 * 01 09 59.7836196816 +61 26 21.380615309   10.42 10.11     A6 7 0
5 V* GL Car Al* 11 14 39.8365120843 -60 39 36.365270733 9.09 10.02 9.74 9.86   B3:V 84 0
6 V* U Oph Al* 17 16 31.7132736201 +01 12 37.996480495   5.941 5.921     B3V 367 1
7 V* DR Vul Al* 20 13 46.8509605348 +26 45 01.625954051   8.94 8.71     B8 83 1

    Equat.    Gal    SGal    Ecl

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2021.01.22-21:08:18

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