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[vsnet-obs 19738] New Takamizawa variable (TmzV262)

New Takamizawa variable (TmzV262)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV262).

TmzV262
= USNO0825.02268945 062049.332 -021038.06 (2000.0) 12.6 16.1
= IRAS06183-0209 061818.4 -020910 (1950.0)
    F12=0.58  F25=0.23  F60=0.40L F100=1.20L
    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
= 062049.5 -021035 (2000.0) IRAS06183-0209 0.593 0.235 0.400L 1.239L 0%
= 062049.5 -021035 (2000.0) SSC06183-0209 0.593 0.235 0.400L 1.239L

  Takamizawa's comment:

  The star is visible at mag. 16.5 on Real-Sky CD. 
  The star may be a Mira-type variables with a range of 14.2-<15.5p.

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
TmzV262        940331.485  <154p  Tmz.VSOLJ
TmzV262        941127.622  145p  Tmz.VSOLJ
TmzV262        950203.519  <154p  Tmz.VSOLJ
TmzV262        950219.449  <154p  Tmz.VSOLJ
TmzV262        950927.771  142p  Tmz.VSOLJ
TmzV262        951021.757  144p  Tmz.VSOLJ
TmzV262        951219.605  152p  Tmz.VSOLJ
TmzV262        961016.753  148p  Tmz.VSOLJ
TmzV262        961206.602  155p  Tmz.VSOLJ
TmzV262        970901.800  <139p  Tmz.VSOLJ
TmzV262        971103.751  150p  Tmz.VSOLJ
TmzV262        971221.572  <154p  Tmz.VSOLJ
TmzV262        980823.774  150p  Tmz.VSOLJ
TmzV262        990206.492  <148p  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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