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[vsnet-obs 20543] New Takamizawa variable (TmzV361)

New Takamizawa variable (TmzV361)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV361).

TmzV361
= GSC7127.1410 075427.36 -340818.2 (2000.0) 12.24 0 N
= USNO0525.05480035 075427.374 -340818.90 (2000.0) 10.5 12.1
= IRAS07525-3400 075233.2 -340025 (1950.0)
    F12=0.69  F25=0.19  F60=0.40L F100=9.12L
    VAR= 4 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
= 075428.3 -340819 (2000.0) CD-33.4290 9.9
= 075424.9 -340756 (2000.0) CS1943 - 11 9.8 -
= 075427.1 -340821 (2000.0) IRAS07525-3400 0.720 0.185 0.400L 8.788L 4%
= 075427.1 -340821 (2000.0) SSC07525-3400 0.720 0.185 0.400L 8.788L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 11.8-12.5p.

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
TmzV361        941111.731  125p  Tmz.VSOLJ
TmzV361        941203.698  121p  Tmz.VSOLJ
TmzV361        950203.535  121p  Tmz.VSOLJ
TmzV361        951222.694  122p  Tmz.VSOLJ
TmzV361        961021.768  125p  Tmz.VSOLJ
TmzV361        970103.631  124p  Tmz.VSOLJ
TmzV361        971013.798  123p  Tmz.VSOLJ
TmzV361        971103.810  121p  Tmz.VSOLJ
TmzV361        971204.695  123p  Tmz.VSOLJ
TmzV361        971224.633  118p  Tmz.VSOLJ
TmzV361        980121.549  118p  Tmz.VSOLJ
TmzV361        980217.497  120p  Tmz.VSOLJ
TmzV361        980325.454  125p  Tmz.VSOLJ
TmzV361        981115.737  122p  Tmz.VSOLJ
TmzV361        990404.438  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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