[vsnet-newvar 1825] Re: GSC 6248:1255 Variability

[Taichi Kato <tkato@kusastro.kyoto-u.ac.jp>]

Re: [vsnet-newvar 1824] GSC 6248:1255 Variability

> The star GSC 6248:1255 (in the field of V2540 Oph) appears to be variable.  I 
> used GSC 6248:1364 (V=11.05, Rc=10.66) and SAO 160704 (V=9.97, Rc=9.72) as 
> comparison stars.  For reference, the Tycho 2 position (J2000) is 17 37 
> 22.694 -16 21 11.09 and photometry Bt = 13.160 and Vt = 11.422.  This is a 
> red star (M type).  I did not find the star listed in the GCVS.

  Some identifications:

GSC6248.1255 173722.67 -162110.8 (2000.0) 10.55 6
USNO0675.13692497 173722.688 -162110.47 (2000.0) 10.7 14.6
2MASS 173722.680 -162110.44 (2000.0)  0.000  0.000  0.000
IRAS17344-1619 173429.7 -161927 (1950.0)
    F12=14.45  F25=6.92  F60=1.44  F100=2.75L
    VAR=17 LRS=14
    blue featureless, spec.index=2.0
    VII: variable star with more evolved C-rich circumstellar shell
173722.8 -162111 (2000.0) IRAS17344-1619 14.140 6.950 1.487 2.848L 17% 2(LRS)
173722.8 -162111 (2000.0) SSC17344-1619 14.140 6.950 1.487 2.848L
173722.6 -162110 (2000.0) 1127 1.48 TYC2-6248.1255.1 (11.42 0.15) (13.16 0.46)
173724.1 -162056 (2000.0) RAFGL1990S
173724.1 -162056 (2000.0) TMSS-20372

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