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[vsnet-obs 19922] New variable star MisV0001

Dear colleagues,

New variable star discovery by the MISAO Project (MisV0001).

MisV0001 
  R.A.  17h52m26s.6
  Decl. -17o40'00"  (2000.0)
  Mag.  14.1C-16.9C

MisV0001 990212.83565 169C Mis
MisV0001 990212.83852 169C Mis
MisV0001 990322.79385 149C Mis
MisV0001 990322.79594 151C Mis
MisV0001 990331.75648 141C Mis
MisV0001 990331.76264 141C Mis
MisV0001 990331.76438 142C Mis
MisV0001 990331.78179 149CIR Mis
MisV0001 990331.78299 148CIR Mis
MisV0001 990331.78541 149CIR Mis
MisV0001 990331.79027 141R Mis
MisV0001 990331.79293 140R Mis
MisV0001 990331.79547 140R Mis

  http://vsnet.info.waseda.ac.jp/muraoka/members/seiichi/misao/data/MisV/MisV0001.gif

This is a variable star automatically discovered by the PIXY system
from the 0.18-m reflector images of V4334 Sgr (Sakurai's object,
cf. IAUC 6718) taken on Mar. 22 by KenIchi Kadota, Ageo City, Saitama,
Japan. It is only 110 arcsec from V4334 Sgr.

The PIXY system compared them with the 0.18-m reflector images of
V4334 Sgr taken on Feb. 12 by KenIchi. It found that a 15.0-mag object
on Mar. 22 images was not detected from Feb. 12 images (because it was
fainter than 16.4 mag). Therefore, the system output this star as a
new object. But actually, it was also found on the Feb. 12 images as
16.9 mag.

No bright star is at this position on the DSS2 image. Taichi Kato,
Kyoto University, reported there was only a faint object, fainter than 
16 mag (V mag), at this position on the images taken in 1996 March at
Ouda Observatory.

Further observations by KenIchi on Mar. 31 show that this star
brightened about 1 mag since Mar. 22. It is still brightening.

Please see the URL below for the MISAO Project and the PIXY system.

  http://vsnet.info.waseda.ac.jp/muraoka/members/seiichi/misao/

Best regards,

--
Seiichi Yoshida
seiichi@muraoka.info.waseda.ac.jp
http://vsnet.info.waseda.ac.jp/muraoka/members/seiichi/index.html

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