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[vsnet-obs 22161] New Haseda variable (HadV31)

New Haseda variable (HadV31)

   Katsumi Haseda (Aichi, Japan) reports the discovery of a new variable
star (HadV31).

HadV31
= IRAS16293-3939 162920.6 -393929 (1950.0)
    F12=15.84  F25=5.75  F60=0.76  F100=36.30L
    VAR=99 LRS=15
    blue featureless, spec.index=2.5
    II: variable star with 'young' O-rich circumstellar shell
= 163245.6 -394548 (2000.0) IRAS16293-3939 15.780 5.823 0.740 35.780L 99% 4(LRS)
= 163245.6 -394548 (2000.0) SSC16293-3939 15.780 5.823 0.740 35.780L

  Blank in USNO.

  HadV31   M  10.1-<13.9p

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
HadV31         960326.753  <139p  Had.VSOLJ
HadV31         990313.779  <139p  Had.VSOLJ
HadV31         990707.519  101p  Had.VSOLJ
HadV31         990710.545  101p  Had.VSOLJ
HadV31         990803.526  103p  Had.VSOLJ

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

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