[vsnet-obs 19311] New Haseda variable (HadV10)

[Taichi Kato <tkato>]

New Haseda variable (HadV10)

   Katsumi Haseda (Aichi, Japan) reports the discovery of a new variable
star (HadV10).

HadV10
= USNO1125.09747651 182933.642 +265612.80 (2000.0) 12.5 15.4
= IRAS18275+2654 182733.0 +265404 (1950.0)
    F12=0.44  F25=0.14  F60=0.40L F100=1.20L
    VAR=28 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
= 182933.0 +265608 (2000.0) IRAS18275+2654 0.448 0.154 0.400L 1.148L 28%
= 182933.0 +265608 (2000.0) SSC18275+2654 0.448 0.154 0.400L 1.148L
= 182933.8 +265612 (2000.0) FSC18275+2654 0.418 0.192 0.151L 1.193L

  HadV09    M: range 12.0-<15.2p

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
HadV10         970413.771  123p  Had.VSOLJ
HadV10         980204.815  149p  Had.VSOLJ
HadV10         980325.776  <152p  Had.VSOLJ
HadV10         980522.693  <152p  Had.VSOLJ
HadV10         990216.810  123p  Had.VSOLJ
HdaV10         980629.646  120p  Had.VSOLJ

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

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