[vsnet-alert 12592] Re: possible new object?

[Korotkiy Stas]

Following the report by Seiichi Yoshida [vsnet-alert 12580] of the
 possible
 new object in Gemini detected by Youichirou Nakashima, we have re-examined
 our images of this region obtained on 2010 December 06-09 and 2011 January
 01, 03.
 The images were obtained with an unfiltered ST-2000 CCD camera attached to
 an F=135mm (f/2) telephoto lens.

 The object is clearly visible on two images from January 01 at
 position 06:20:00.02 +19:26:59.5 (+/-5", J2000). The images from January
 03
 are affected by fog which significantly degraded the detection limit.
 The results of our observations are summarized below:

      JD(UT) mag.
 2455537.49466 >14
 2455537.49535 >14
 2455538.53050 >14
 2455539.56773 >14
 2455540.56512 >14
 2455563.51876 12.76 +/-0.04
 2455563.51942 12.87 +/-0.05
 2455565.48142 >13
 2455565.48212 >13

 We have used V magnitudes of Tycho-2 stars within the field of view to
 calibrate zero-point of the unfiltered magnitude scale. Estimated errors
 are statistical only. The images may be found at
http://scan.sai.msu.ru/~kirx/transients/new_object_in_Gem/

 With best wishes,
 Stanislav Korotkiy & Kirill Sokolovsky


09.01.11, 19:06, "Seiichi Yoshida" <comet at aerith.net>:

> Dear colleagues,
>  
>  We discovered a possible new object from Youichirou Nakashima's survey
>  images in the course of the MISAO Project.
>  
>  http://www.aerith.net/pub/MPRE2011-0001.jpg
>  
>  I checked the Minor Planet Checker and 2MASS images, and found nothing
>  at this position.
>  
>  MPRE 2011-0001
>  
>  06h19m59s.96 +19o26'59".0
>  
>  MPRE2011-0001 20000227.55083 <161C Mis
>  MPRE2011-0001 20000227.55270 <161C Mis
>  MPRE2011-0001 20101129.77029 <164C Mis
>  MPRE2011-0001 20101129.77163 <164C Mis
>  MPRE2011-0001 20101129.77296 <163C Mis
>  MPRE2011-0001 20110108.59707 144C Mis
>  MPRE2011-0001 20110108.59844 144C Mis
>  MPRE2011-0001 20110108.59981 143C Mis
>  
>  Best regards,
>  
>  --
>  Seiichi Yoshida
>  comet at aerith.net
>  http://www.aerith.net/
>  
>