[vsnet-alert 14080] outburst of X-ray source 1RXS J074112.2-094529

Seiichi Yoshida comet at aerith.net
Mon Jan 9 01:30:31 JST 2012


Dear colleagues,

Seiichi Yoshida, Yokohama City, Kanagawa, Japan; discovered a possible
new object from survey images taken by Youichirou Nakashima, Setouchi
City, Okayama, Japan; in the course of the MISAO Project.

This object can be identified with an X-ray source 1RXS J074112.2-094529.

  http://www.aerith.net/pub/MPRE2012-0001.gif

MPRE 2012-0001
  R.A.  07h41m12s.70
  Decl. -09o45'55".9  (2000.0)
  Mag.  14.1-<15.6C
  Type  ?
= 1RXS J074112.2-094529

I checked the Minor Planet Checker, the SIMBAD database and 2MASS
images, and found nothing at this position.

Here are our unfiltered CCD magnitude:

MPRE2012-0001 20110115.77634 <156C Mis
MPRE2012-0001 20110115.77771 <153C Mis
MPRE2012-0001 20110115.77907 <153C Mis
MPRE2012-0001 20110323.53770 <153C Mis
MPRE2012-0001 20110323.53903 <153C Mis
MPRE2012-0001 20110323.54037 <156C Mis
MPRE2012-0001 20111120.77538 <156C Mis
MPRE2012-0001 20111120.77671 <156C Mis
MPRE2012-0001 20111120.77806 <155C Mis
MPRE2012-0001 20111224.80339 <146C Mis
MPRE2012-0001 20111224.80472 <145C Mis
MPRE2012-0001 20111224.80606 <145C Mis
MPRE2012-0001 20111224.80741 <144C Mis
MPRE2012-0001 20120105.62451 143C Mis
MPRE2012-0001 20120105.62586 141C Mis
MPRE2012-0001 20120105.62720 141C Mis

Images between 2011 Jan. 15 and 2011 Nov. 20, and images on 2012
  Jan. 5 are by Youichirou Nakashima with 0.25-m f/4.2 Wright-Schmidt
  reflector + SBIG ST-1001E.

Images on 2011 Dec. 24 are by Youichirou Nakashima with 300-mm f/2.8
  camera lens + SBIG ST-8(ABG).

Best regards,

--
Seiichi Yoshida
comet at aerith.net
http://www.aerith.net/


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