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[vsnet-obs 21163] New Haseda variable (HadV25)



New Haseda variable (HadV25)

   Katsumi Haseda (Aichi, Japan) reports the discovery of a new variable
star (HadV25).

HadV25
= USNO1050.19760070 210946.687 +182449.64 (2000.0) 15.1 20.8
= IRAS21074+1812 210727.6 +181231 (1950.0)
    F12=14.45  F25=9.12  F60=1.00  F100=1.00L
    VAR=99 LRS=-1
    IIIa: variable star with more evolved O-rich c.s. shell
= 210946.2 +182445 (2000.0) IRAS21074+1812 14.150 8.836 1.014 1.000L 99%
= 210946.2 +182445 (2000.0) SSC21074+1812 14.150 8.836 1.014 1.000L
= 210947.0 +182452 (2000.0) FSC21074+1812 11.710 7.059 1.034 0.765L

  HadV25  M:  11.7-(14.5p

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
HadV25         980404.793  <145p  Had.VSOLJ
HadV25         980504.759  <145p  Had.VSOLJ
HadV25         980530.713  123p  Had.VSOLJ
HadV25         980629.674  117p  Had.VSOLJ
HadV25         990513.757  <145p  Had.VSOLJ
HadV25         990611.689  <145p  Had.VSOLJ

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

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