[vsnet-obs 21134] New Haseda variable (HadV24)

[Taichi Kato <tkato>]

New Haseda variable (HadV24)

   Katsumi Haseda (Aichi, Japan) reports the discovery of a new variable
star (HadV24).

HadV24
= GSC2670.2934 195931.08 +310242.5 (2000.0) 11.54 6
= USNO1200.14297127 195931.082 +310242.50 (2000.0) 11.3 14.3
= IRAS19575+3054 195732.6 +305428 (1950.0)
    F12=2.29  F25=0.69  F60=3.31L F100=39.80L
    VAR= 0 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
= 195931.4 +310243 (2000.0) IRAS19575+3054 2.296 0.689 3.242L 40.980L 0%
= 195931.4 +310243 (2000.0) SSC19575+3054 2.296 0.689 3.242L 40.980L

  HadV24 SR:  range 11.4-12.8p

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
HadV24         990316.817  114p  Had.VSOLJ
HadV24         990512.758  128p  Had.VSOLJ
HadV24         990517.753  126p  Had.VSOLJ
HadV24         990520.727  125p  Had.VSOLJ
HadV24         990611.660  125p  Had.VSOLJ

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

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