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[vsnet-newvar 507] New Haseda variable (HadV64)

New Haseda variable (HadV64)

   Katsumi Haseda (Aichi, Japan) reports the discovery of a new variable
star (HadV64).  The identity with NSV08615 needs to be checked.

HadV64
= GSC6238.2149 172511.79 -173426.3 (2000.0) 13.59 0
= USNO0675.12950527 172511.790 -173426.19 (2000.0) 14.9 18.6
= IRAS17222-1731 172217.1 -173151 (1950.0)
    F12=0.76  F25=0.40  F60=0.40L F100=2.75L
    VAR= 0 LRS=-1
 possibly IIIa: variable star with more evolved O-rich c.s. shell
 or VIb: variable star with relatively hot dust close to
      the star and relatively cold dust at large distance
      may be O-rich
 or VII: variable star with more evolved C-rich circumstellar shell
= 172510.6 -173424 (2000.0) FSC17222-1731 0.741 0.416 0.358L 1.810L
= 172511.6 -173428 (2000.0) IRAS17222-1731 0.768 0.415 0.400L 2.658L 0%
= 172511.6 -173428 (2000.0) SSC17222-1731 0.768 0.415 0.400L 2.658L

  HadV64 M  12.1-(14.5p

Photographic magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag  code
HadV64         19970724.515  145p  Had.VSOLJ
HadV64         19970823.500  <142p  Had.VSOLJ
HadV64         19980330.774  137p  Had.VSOLJ
HadV64         19990216.830  <143p  Had.VSOLJ
HadV64         19990323.776  <145p  Had.VSOLJ
HadV64         19990803.539  <142p  Had.VSOLJ
HadV64         19990830.474  137p  Had.VSOLJ
HadV64         20000206.829  <142p  Had.VSOLJ
HadV64         20000429.724  <142p  Had.VSOLJ
HadV64         20000604.595  137p  Had.VSOLJ
HadV64         20000708.590  121p  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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