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[vsnet-obs 18975] New Takamizawa variable (TmzV182)

New Takamizawa variable (TmzV182)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV182).

TmzV182
= GSC3727.1573 042218.42 +563538.1 (2000.0) 11.68 1
= GSC3727.1573 042218.61 +563537.9 (2000.0) 12.52 1
= USNO1425.05211380 042218.533 +563538.05 (2000.0) 12.0 16.1
= IRAS04182+5628 041813.8 +562835 (1950.0)
    F12=0.91  F25=0.25  F60=0.40L F100=2.51L
    VAR=29 LRS=-1
 possibly I: oxygen-rich non-variable star without circumstellar shell
 or VIa: non-variable star with relatively cold dust at large
      distance, may be carbon-rich
= 042219.1 +563537 (2000.0) IRAS04182+5628 0.891 0.239 0.400L 2.635L 29%
= 042219.1 +563537 (2000.0) SSC04182+5628 0.891 0.239 0.400L 2.635L

  Takamizawa's comment:

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

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
TmzV182        941108.549  123p  Tmz.VSOLJ
TmzV182        941224.463  123p  Tmz.VSOLJ
TmzV182        950127.497  125p  Tmz.VSOLJ
TmzV182        950127.506  127p  Tmz.VSOLJ
TmzV182        970802.715  123p  Tmz.VSOLJ
TmzV182        971010.696  122p  Tmz.VSOLJ
TmzV182        971010.738  122p  Tmz.VSOLJ
TmzV182        971123.518  127p  Tmz.VSOLJ
TmzV182        971221.449  125p  Tmz.VSOLJ
TmzV182        980116.455  122p  Tmz.VSOLJ
TmzV182        980820.699  121p  Tmz.VSOLJ
TmzV182        980823.706  123p  Tmz.VSOLJ
TmzV182        981024.551  122p  Tmz.VSOLJ
TmzV182        990109.489  123p  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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