[vsnet-obs 20881] New Haseda variable (HadV23)

[Taichi Kato <tkato>]

New Haseda variable (HadV23)

   Katsumi Haseda (Aichi, Japan) reports the discovery of a new variable
star (HadV23).  The object had been independently noted by M. Wakuda (WSV65).

HadV23
= GSC7122.3867 081513.49 -302537.7 (2000.0) 12.95 6
= USNO0525.06582305 081513.442 -302537.64 (2000.0) 10.8 13.2
= IRAS08132-3016 081312.5 -301626 (1950.0)
    F12=1.74  F25=0.63  F60=0.40L F100=1.58L
    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
= 081513.5 -302539 (2000.0) IRAS08132-3016 1.730 0.630 0.400L 1.653L 0%
= 081513.5 -302539 (2000.0) SSC08132-3016 1.730 0.630 0.400L 1.653L
= 081509.0 -302513 (2000.0) WSV65
= 081511.9 -302459 (2000.0) M6(III)(Buscombe) - - -

  HadV23  M  range 11.0-(15.2p

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
HadV23         961023.792  123p  Had.VSOLJ
HadV23         961113.789  126p  Had.VSOLJ
HadV23         961118.785  124p  Had.VSOLJ
HadV23         961206.679  116p  Had.VSOLJ
HadV23         971011.810  118p  Had.VSOLJ
HadV23         971026.792  119p  Had.VSOLJ
HadV23         971028.817  118p  Had.VSOLJ
HadV23         971108.775  126p  Had.VSOLJ
HadV23         971130.817  131p  Had.VSOLJ
HadV23         981120.764  <135p  Had.VSOLJ
HadV23         981212.738  <152p  Had.VSOLJ
HadV23         990408.505  110p  Had.VSOLJ

Observer's code:
  Had: K. Haseda (Aichi, Japan)
       Instruments: 10cm F4.0 twin patrol camera +T-Max400(120)

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