[vsnet-newvar 1310] New Takamizawa variable (TmzV916)

[Taichi Kato <tkato>]

New Takamizawa variable (TmzV916)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV916).  The object is identified with a TA variable candidate
Q1991/14.

TmzV916
= GSC4039.205 012935.07 +650205.2 (2000.0) 11.20 1
= GSC4039.205 012935.19 +650205.5 (2000.0) 11.41 1
= USNO1500.01522107 012935.154 +650205.13 (2000.0) 10.8 14.9
= IRAS01261+6446 012608.5 +644637 (1950.0)
     F12=20.89  F25=12.02  F60=1.90  F100=3.02L
     VAR=15 LRS=13
     blue featureless, spec.index=1.5
     IIIa: variable star with more evolved O-rich c.s. shell
= 012935.1 +650205 (2000.0) Q1991/14 10.8 12.0 
= 012935.0 +650207 (2000.0) MSX5C_G126.9452+02.4615 40 -18 19 24 19 14 V(%):-:-:1:2:1:3
= 012935.5 +650206 (2000.0) IRAS01261+6446 21.840 12.040 1.944 3.089L 15% 2(LRS)
= 012935.5 +650206 (2000.0) SSC01261+6446 21.840 12.040 1.944 3.089L
= 012934.1 +650241 (2000.0) TMSS+60052
= 012915.5 +650159 (2000.0) RAFGL5049
= 012948.0 +650159 (2000.0) M6(III)(Buscombe) V=8.32 B-V=.44 -

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 11.3-12.5p.

Photographic magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag  code
TmzV916        19950127.432  120p  Tmz.VSOLJ
TmzV916        19960922.656  118p  Tmz.VSOLJ
TmzV916        19970613.737  115p  Tmz.VSOLJ
TmzV916        19980116.420  117p  Tmz.VSOLJ
TmzV916        19980629.693  125p  Tmz.VSOLJ
TmzV916        19991128.440  116p  Tmz.VSOLJ
TmzV916        20000902.687  113p  Tmz.VSOLJ
TmzV916        20011023.613  117p  Tmz.VSOLJ

Observer's code:
  Tmz: K.Takamizawa (Saku-machi,Nagano,Japan)
       SASS (Saku All Sky Survey)
       Inst.: 10cmR F4 twin patrol cameras and 25cm F2.8
       Baker-Schmidt camera T-Max400 120
       Comparison stars mag.:GSC

Relayed from Kesao Takamizawa <k-takamizawa@nifty.ne.jp>

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