[vsnet-newvar 87] New Haseda variable (HadV39)

[Taichi Kato <tkato>]

New Haseda variable (HadV39)

   Katsumi Haseda (Aichi, Japan) reports the discovery of a new variable
star (HadV39).

HadV39
= USNO0675.03695032 071525.396 -174919.20 (2000.0) 14.0 18.3
= IRAS07132-1743 071312.1 -174359 (1950.0)
    F12=0.83  F25=0.25  F60=0.40L F100=10.00L
    VAR=65 LRS=-1
 possibly I: oxygen-rich non-variable star without 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
= 071525.4 -174918 (2000.0) IRAS07132-1743 0.828 0.244 0.400L 9.752L 65%
= 071525.4 -174918 (2000.0) SSC07132-1743 0.828 0.244 0.400L 9.752L
= 071524.0 -174800 (2000.0) M9:III:VAR(Buscombe) - - -

  HadV39  M  12.1-(14.8p  Type consistent with the spectroscopic classfication.

Photographic magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag  code
HadV39         19980919.787  <143p  Had.VSOLJ
HadV39         19981113.731  <142p  Had.VSOLJ
HadV39         19981212.710  <148p  Had.VSOLJ
HadV39         19990108.572  142p  Had.VSOLJ
HadV39         19990206.560  141p  Had.VSOLJ
HadV39         19991012.774  <145p  Had.VSOLJ
HadV39         19991229.653  121p  Had.VSOLJ
HadV39         20000107.590  125p  Had.VSOLJ

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

Relayed from Katsumi Haseda <haseda@mxs.mesh.ne.jp>

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