[vsnet-newvar 1308] New Takamizawa variable (TmzV914)

[Taichi Kato <tkato>]

New Takamizawa variable (TmzV914)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV914).

TmzV914
= GSC4035.770 013213.18 +624750.6 (2000.0) 12.26 1
= USNO1500.01572899 013213.182 +624750.60 (2000.0) 11.3 15.7
= IRAS01288+6232 012849.3 +623222 (1950.0)
     F12=0.52  F25=0.25L F60=0.40L F100=13.18L
     VAR=-1 LRS=-1
  possibly I: oxygen-rich non-variable star without circumstellar shell
  or II: variable star with 'young' O-rich circumstellar shell
  or VII: variable star with more evolved C-rich circumstellar shell
  or VIa: non-variable star with relatively cold dust at large
       distance, may be carbon-rich
= 013212.7 +624746 (2000.0) IRAS01288+6232 0.510 0.250L 0.400L 13.160L -1%
- 013212.7 +624746 (2000.0) SSC01288+6232 0.510 0.250L 0.400L 13.160L
= 013213.2 +624749 (2000.0) MSX5C_G127.5734+00.2934 -17 -9 1 0 0 -2 V(%):-:-:3:-:-:-

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 12.3-12.9p.

Photographic magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag  code
TmzV914        19950127.432  128p  Tmz.VSOLJ
TmzV914        19970613.737  123p  Tmz.VSOLJ
TmzV914        19980116.420  129p  Tmz.VSOLJ
TmzV914        19980629.693  128p  Tmz.VSOLJ
TmzV914        19991128.440  125p  Tmz.VSOLJ
TmzV914        20000902.687  124p  Tmz.VSOLJ
TmzV914        20011023.613  127p  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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