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[vsnet-obs 19858] New Takamizawa variable (TmzV295)

New Takamizawa variable (TmzV295)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV295).  The star is identifed with the FASTT variable HS318.

TmzV295
= USNO0825.04958010 072828.144 -004505.40 (2000.0) 11.7 14.8
= IRAS07259-0038 072554.9 -003850 (1950.0)
    F12=1.58  F25=0.69  F60=0.40L F100=1.00L
    VAR=68 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
= 072827.8 -004502 (2000.0) IRAS07259-0038 1.525 0.710 0.400L 1.000L 68%
= 072827.8 -004502 (2000.0) SSC07259-0038 1.525 0.710 0.400L 1.000L
= 072828.1 -004504 (2000.0) HS318 11.85 (0.69)R - - 

  Takamizawa's comment:

  The star may be a Mira-type variables with a range of 12.3-<15.3p, and
a period of about 373days (JD2450862). The star is visible at mag 17.5
on Real-Sky CD. The GSC star(12.8) is located about 13" north east 
of this new variables(TmzV295).

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
TmzV295        940314.513  <150p  Tmz.VSOLJ
TmzV295        941111.747  153p  Tmz.VSOLJ
TmzV295        950203.556  148p  Tmz.VSOLJ
TmzV295        951025.748  <153p  Tmz.VSOLJ
TmzV295        951222.676  126p  Tmz.VSOLJ
TmzV295        961021.785  <153p  Tmz.VSOLJ
TmzV295        961206.699  <150p  Tmz.VSOLJ
TmzV295        970103.614  128p  Tmz.VSOLJ
TmzV295        970214.476  128p  Tmz.VSOLJ
TmzV295        971103.794  <150p  Tmz.VSOLJ
TmzV295        971204.711  147p  Tmz.VSOLJ
TmzV295        971224.649  145p  Tmz.VSOLJ
TmzV295        980121.564  126p  Tmz.VSOLJ
TmzV295        980217.513  123p  Tmz.VSOLJ
TmzV295        980325.469  127p  Tmz.VSOLJ
TmzV295        981115.752  <150p  Tmz.VSOLJ
TmzV295        981218.787  <145p  Tmz.VSOLJ

Observer's code:
  Tmz: K.Takamizawa (Saku-machi,Nagano,Japan)
       Inst.: 10cmR F4 twin patrol cameras  T-Max400 120
       Comparison stars mag.:GSC

Relayed from Kesao Takamizawa <GHA07243@nifty.ne.jp>

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