[vsnet-obs 19077] NSV05552 observations by Had

[Taichi Kato <tkato>]

NSV05552 observations by Had

  Katsumi Haseda (Aichi, Japan) reports the large-amplitude variation of
NSV 05552.  The variability of this star seems to be established; likely
element 11.0-(15.4p, type M.

NSV05552
= GSC6689.1152 121929.77 -280100.6 (2000.0) 13.56 0
= GSC6689.1152 121929.78 -280100.3 (2000.0) 11.43 0
= GSC6689.1152 121929.79 -280059.7 (2000.0) 12.58 0
= USNO0600.08734518 121929.782 -280100.57 (2000.0) 13.5 17.7
= IRAS12168-2744 121653.4 -274422 (1950.0)
    F12=0.83  F25=0.33  F60=0.40L F100=1.00L
    VAR= 4 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
= 121928.7 -280054 (2000.0) FSC12168-2744 0.756 0.283 0.181L 0.509L
= 121929.8 -280100 (2000.0) IRAS12168-2744 0.854 0.343 0.400L 1.000L 4%
= 121929.8 -280100 (2000.0) SSC12168-2744 0.854 0.343 0.400L 1.000L
= 121930.4 -280038 (2000.0) NSV05552 ? 13.0 15.0 P -

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
NSV05552       970119.800  110p  Had.VSOLJ
NSV05552       971204.872  134p  Had.VSOLJ
NSV05552       980101.831  154p  Had.VSOLJ
NSV05552       980104.823  <154p  Had.VSOLJ
NSV05552       980130.807  <154p  Had.VSOLJ
NSV05552       981217.836  153p  Had.VSOLJ
NSV05552       981224.835  154p  Had.VSOLJ

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

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