[Message Prev][Message Next][Thread Prev][Thread Next][Message Index][Thread Index]

[vsnet-newvar 1086] NSV15842: confirmation of large-amplitude variation by Toa

NSV15842: confirmation of large-amplitude variation by Toa

   Akira Takao (Kita-kyushu, Japan) reports the discovery of large-amplitude
variation in NSV15842.

NSV15842
= IRAS03525+5711 035233.4 +571145 (1950.0)
    F12=6.92  F25=4.36  F60=0.91  F100=10.96L
    VAR=99 LRS=-1
    VII: variable star with more evolved C-rich circumstellar shell
= 035635.8 +572026 (2000.0) IRAS03525+5711 7.132 4.447 0.886 10.990L 99%
= 035635.8 +572026 (2000.0) SSC03525+5711 7.132 4.447 0.886 10.990L
= 035636.1 +572025 (2000.0) MSX5C_G145.9249+02.9818 -19 -10 13 13 8 7 V(%):-:-:0:2:0:1
= 035635.8 +572028 (2000.0) NSV15842 ? 18.: (>0.2) V - - - -

   H. Yamaoka pointed out that Nakashima et al., (PASJ 52, 275) reported
infrared variation (9.5-14.0 I and P=588 d).  Takao's finding is consistent
with this report.  The star is a large-amplitude Mira star.

CCD magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag  code
NSV15842       20001105.575  <143C  Toa.VSOLJ
NSV15842       20001201.650  <143C  Toa.VSOLJ
NSV15842       20011005.711  121C  Toa.VSOLJ
NSV15842       20011013.583  118C  Toa.VSOLJ
NSV15842       20011014.665  118C  Toa.VSOLJ

magnitude compared to GSC3725.838, GSC3725.370, GSC3725.78

Observer's code:
  Toa: Akira Takao (Kita-kyushu, Japan)
       instruments:f200mm F4 Telephotolens+ST-8,unfiltered

Relayed from Akira Takao <drtakao@bronze.ocn.ne.jp>

VSNET Home Page

Return to Daisaku Nogami

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