2003MNRAS.340..499P


C.D.S. - SIMBAD4 rel 1.7 - 2020.03.29CET01:35:11

2003MNRAS.340..499P - Mon. Not. R. Astron. Soc., 340, 499-508 (2003/April-1)

The component star masses in RW Tri.

POOLE T., MASON K.O., RAMSAY G., DREW J.E. and SMITH R.C.

Abstract (from CDS):

We use time-resolved spectra of the cataclysmic variable RW Tri in the I and K bands to determine the orbital velocity of the secondary star using skew-mapping and cross-correlation techniques respectively. We find radial velocity amplitudes of 250±47 km/s in the I band, and 221 ± 29 km/s in the K band. We also determine the rotational velocity of the secondary star using the K -band data and find a Vrotsin i of 120±20 km/s. A combination of these results coupled with an estimate of the effect of heating on the secondary star suggests a mass ratio M2/M1 in the range 0.6-1.1; the mass ratio range with no correction for heating is 0.5-0.8. These lead to most likely estimates of the primary and secondary star masses in the range 0.4-0.7 and 0.3-0.4 Mrespectively. Further refinement of the stellar masses is hampered by uncertain knowledge of the white dwarf orbital velocity, and we discuss evidence that at least some estimates of the white dwarf velocity are contaminated by non-orbital components.

Abstract Copyright: 2003 RAS

Journal keyword(s): techniques: radial velocities - binaries: eclipsing - stars: individual: RW Tri - novae, cataclysmic variables - infrared: stars

Status at CDS:  

Simbad objects: 17

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Number of rows : 17

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 V* RW Tri NL* 02 25 36.1555561414 +28 05 50.893091344   13.50 12.50     M0V 287 0
2 V* V1005 Ori BY* 04 59 34.8341800543 +01 47 00.672080375   11.48 10.107 9.603 8.239 M0Ve 297 0
3 HD 233153 PM* 05 41 30.7305969608 +53 29 23.290085020   11.31   9.343   M1.0V 148 0
4 BD+02 1729 PM* 07 39 23.0387126510 +02 11 01.197472387 12.328 11.055 9.589 8.683 7.777 M0.0Ve 99 0
5 BD+26 1715 * 08 05 58.5051090045 +26 16 52.884393635   11.64 10.24     M0 17 0
6 BD-08 2582 PM* 09 06 45.3496829393 -08 48 24.611745266 12.184 10.928 9.478 8.564 7.653 K7V 68 0
7 BD-17 3088 PM* 10 12 08.16886 -18 37 04.1162 12.596 11.347 9.910 9.006 8.099 K7V 60 0
8 V* AN Sex RS* 10 12 17.6684359061 -03 44 44.393843397 11.941 10.757 9.264 8.258 7.066 M2V 189 0
9 BD-09 3070 PM* 10 25 10.8370935977 -10 13 43.289558706 12.834 11.631 10.139 9.161 8.051 M1V 111 0
10 BD+01 2447 PM* 10 28 55.5513010331 +00 50 27.601817738 12.389 11.151 9.650 8.617 7.389 M2.0Ve 254 0
11 BD+46 1635 PM* 10 31 24.2170618951 +45 31 33.780854869   10.19   8.843   K7V 86 0
12 HD 111631 PM* 12 50 43.5668069413 -00 46 05.267056898 11.187 9.892 8.470 7.59 6.752 M0V 198 0
13 BD+11 2576 PM* 13 29 59.7856884759 +10 22 37.784822214 11.728 10.524 9.029 8.07 7.013 M1.0Ve 193 0
14 HD 154363 PM* 17 05 03.3947074782 -05 03 59.437237339 9.945 8.881 7.709 6.985 6.364 K4/5V 198 0
15 HD 157881 PM* 17 25 45.2323043669 +02 06 41.123668100 10.126 8.865 7.56 6.649 5.89 K7V 308 0
16 BD-11 4672 PM* 18 33 28.8322843874 -11 38 09.721813732   11.21 9.99 9.60 9.02 K7V 53 1
17 V* BR Psc BY* 23 49 12.5251391270 +02 24 04.403044891 11.532 10.427 8.993 8.029 6.946 M1VFe-1 278 0

    Equat.    Gal    SGal    Ecl

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2020.03.29-01:35:11

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