[vsnet-newvar 1169] New Takamizawa variable (TmzV854)

[Taichi Kato <tkato>]

New Takamizawa variable (TmzV854)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV854).

TmzV854
= GSC3689.979 020622.01 +544114.3 (2000.0) 12.07 1
= USNO1425.02977338 020622.008 +544114.33 (2000.0) 11.6 15.4
= IRAS02029+5426 020259.4 +542652 (1950.0)
     F12=0.76  F25=0.30L F60=0.40L F100=1.32L
     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
= 020621.6 +544109 (2000.0) IRAS02029+5426 0.763 0.294L 0.400L 1.369L -1%
= 020621.6 +544109 (2000.0) SSC02029+5426 0.763 0.294L 0.400L 1.369L
= 020618.8 +544142 (2000.0) DO25263

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 12.1-12.7p.

Photographic magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag  code
TmzV854        19950127.424  123p  Tmz.VSOLJ
TmzV854        19960922.666  122p  Tmz.VSOLJ
TmzV854        19970613.728  121p  Tmz.VSOLJ
TmzV854        19980116.413  127p  Tmz.VSOLJ
TmzV854        19980629.701  123p  Tmz.VSOLJ
TmzV854        19991128.448  124p  Tmz.VSOLJ
TmzV854        20000902.678  123p  Tmz.VSOLJ
TmzV854        20011023.605  126p  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>

VSNET Home Page

Return to Daisaku Nogami

---

vsnet-adm@kusastro.kyoto-u.ac.jp