[vsnet-obs 18608] New Haseda variable (HadV07)

[Taichi Kato <tkato>]

New Haseda variable (HadV07)

   Katsumi Haseda (Aichi, Japan) reports the discovery of a new variable
star (HadV07).

HadV07
= GSC1499.347 155911.42 +193956.9 (2000.0) 13.46 1
= USNO1050.07831160 155911.430 +193956.97 (2000.0) 11.6 14.9
= IRAS15569+1948 155658.3 +194825 (1950.0)
    F12=10.96  F25=3.98  F60=0.69  F100=1.00L
    VAR=31 LRS=13
    blue featureless, spec.index=1.5
    II: variable star with 'young' O-rich circumstellar shell
= 155911.3 +193956 (2000.0) IRAS15569+1948 10.620 3.915 0.670 1.000L 31% 2(LRS)
= 155911.3 +193956 (2000.0) SSC15569+1948 10.620 3.915 0.670 1.000L
= 155912.0 +193954 (2000.0) FSC15569+1948 10.320 3.946 0.492 0.935L

  HadV07: M: or SR: range 11.5-14.1p

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
HadV07         980105.826  115p  Had.VSOLJ
HadV07         980303.808  122p  Had.VSOLJ
HadV07         980328.753  128p  Had.VSOLJ
HadV07         980504.708  141p  Had.VSOLJ
HadV07         980617.545  138p  Had.VSOLJ
HadV07         981222.847  123p  Had.VSOLJ
HadV07         981227.853  124p  Had.VSOLJ

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

VSNET Home Page

Return to Daisaku Nogami

---

vsnet-adm@kusastro.kyoto-u.ac.jp