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[vsnet-newvar 969] New Takao variable (ToaV6)



New Takao variable (ToaV6)

   Akira Takao (Kita-kyushu, Japan) reports the discovery of a new variable
star (ToaV6).

ToaV6
= USNO0675.11355144 165206.532 -153807.88 (2000.0) 12.8 16.9
= 2MASS 165206.532 -153807.97 (2000.0)  7.490  6.313  5.718
= IRAS16492-1533 164913.1 -153307 (1950.0)
    F12=0.76  F25=0.40  F60=0.40L F100=15.84L
    VAR= 0 LRS=-1
 possibly IIIa: variable star with more evolved O-rich c.s. shell
 or VIb: variable star with relatively hot dust close to
      the star and relatively cold dust at large distance
      may be O-rich
 or VII: variable star with more evolved C-rich circumstellar shell
= 165204.5 -153805 (2000.0) IRAS16492-1533 0.725 0.386 0.400L 15.990L 0%
= 165204.5 -153805 (2000.0) SSC16492-1533 0.725 0.386 0.400L 15.990L
= 165205.2 -153804 (2000.0) FSC16492-1533 0.752 0.227 0.584L 5.256L

  ToaV6  M 13.2-<15.5C

Photographic magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag  code
ToaV6          20010219.839  <155C  Toa.VSOLJ
ToaV6          20010418.781  <155C  Toa.VSOLJ
ToaV6          20010601.637  132C  Toa.VSOLJ
ToaV6          20010701.506  135C  Toa.VSOLJ

Observer's code:
  Toa: Akira Takao (Kita-kyushu, Japan)
       instruments:f200mm F4 Telephotolens+ST-8,unfiltered

Relayed from Akira Takao <drtakao@bronze.ocn.ne.jp>

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