[Message Prev][Message Next][Thread Prev][Thread Next][Message Index][Thread Index]

[vsnet-newvar 1134] New Takamizawa variable (TmzV823)

New Takamizawa variable (TmzV823)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV823).

TmzV823
= GSC6927.184 210331.62 -245554.4 (2000.0) 13.91 0
= USNO0600.23620574 210331.630 -245554.18 (2000.0) 11.3 14.2
= 2MASS 210331.598 -245554.69 (2000.0)  5.911  0.000  0.000
= IRAS21005-2507 210035.6 -250753 (1950.0)
     F12=0.91  F25=0.44  F60=0.40L F100=1.00L
     VAR= 0 LRS=-1
  possibly 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
= 210331.1 -245558 (2000.0) IRAS21005-2507 0.918 0.442 0.400L 1.000L 0%
= 210331.1 -245558 (2000.0) SSC21005-2507 0.918 0.442 0.400L 1.000L
= 210333.2 -245550 (2000.0) FSC21006-2507 0.853 0.394 0.152L 0.875

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 12.8-13.6p.

Photographic magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag  code
TmzV823        19940512.742  132p  Tmz.VSOLJ
TmzV823        19940703.665  128p  Tmz.VSOLJ
TmzV823        19940803.588  131p  Tmz.VSOLJ
TmzV823        19940810.651  130p  Tmz.VSOLJ
TmzV823        19940930.540  129p  Tmz.VSOLJ
TmzV823        19941127.394  134p  Tmz.VSOLJ
TmzV823        19950723.663  134p  Tmz.VSOLJ
TmzV823        19951020.433  128p  Tmz.VSOLJ
TmzV823        19960815.551  130p  Tmz.VSOLJ
TmzV823        19970706.686  136p  Tmz.VSOLJ
TmzV823        19971025.518  130p  Tmz.VSOLJ
TmzV823        19990708.667  134p  Tmz.VSOLJ
TmzV823        20011013.444  136p  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