[Message Prev][Message Next][Thread Prev][Thread Next][Message Index][Thread Index]
[vsnet-chat 1687] Seiichiro Kiyota's images on 1998 Oct. 11
- Date: Fri, 12 Mar 1999 07:16:45 +0900
- To: wang@ares.nrl.navy.mil, dab@star.sr.bham.ac.uk, koehn@lowell.Lowell.Edu, dgm@nofs.navy.mil, mperryma@astro.estec.esa.nl, koflaher@astro.estec.esa.nl, mclean@stsci.edu, question@simbad.u-strasbg.fr, pluto@gwi.net, meech@pavo.IFA.Hawaii.Edu, maury@ocar01.obs-azur.fr, obyk@pulvz.spb.su, zj@qso.bao.ac.cn, david@crl.go.jp, ebowell@lowell.edu, awharris@lithos.jpl.nasa.gov, ipatov@spp.keldysh.ru, etedesco@nh.ultranet.com, klet@klet.cz, donald.k.yeomans@jpl.nasa.gov, markhl@prodigy.net, jscotti@lpl.arizona.edu, szena@ludens.elte.hu, ok2rea@prgate.sci.muni.cz, pfactors@ix.netcom.com, fraserf@dove.net.au, foryta@fisica.ufpr.br, Miquel.Regalado@uv.es, jure.skvarc@ijs.si, mnico@iol.it, vsnet@kusastro.kyoto-u.ac.jp, vsnet-chat@kusastro.kyoto-u.ac.jp, tass@wwa.com, jdsh@mail.nerc-bas.ac.uk, jose.aguiar@mpc.com.br
- From: Seiichi Yoshida <seiichi@muraoka.info.waseda.ac.jp>
- Subject: [vsnet-chat 1687] Seiichiro Kiyota's images on 1998 Oct. 11
- cc: seiichi@mura01.muraoka.info.waseda.ac.jp
- Sender: owner-vsnet-chat@kusastro.kyoto-u.ac.jp
MISAO Project Examination Report (Mar. 12, 1999)
Hello. I am Seiichi Yoshida working on the MISAO project.
Seiichiro Kiyota contributed 10 images of Comet 21P/Giacobini-Zinner
taken on Oct. 11, 1998 to the MISAO Project. Thank you so much. Here I
introduce you the examination result.
Five of the 10 images are through Rc filter, the rest five are through
V filter. All images were examined using the USNO-A1.0. The field of
view was 18.09 x 11.67 arcmin.
The PIXY system succeeded matching of all images. However, too many
stars were detected after all, probably because the images were small
(375 x 242 pixels), the PSF is large, the images contain many noises,
etc. Although I can see only 16 mag or brighter stars on the images,
the PIXY system output the limiting magnitude as 15.6-16.5 mag, the
faintest magnitude as 19.5-20.0 mag (except for one image). Evidently,
16 mag or fainter stars detected by the system were false detection.
But, although the faintest magnitude was wrong, the limiting magnitude
was well determined, not influenced by the too many detection.
There were no evident stars not recorded in the star catalog, except
for Comet 21P/Giacobini-Zinner. There were no known variable stars in
these images, either.
One suspicious variable star, NSV09699, was in the image field.
NSV09699
1998 Oct 11.82079 <16.4Rc
1998 Oct 11.82380 <15.6V
1998 Oct 11.82539 <15.6V
1998 Oct 11.82668 <15.7V
1998 Oct 11.82867 <15.7V
1998 Oct 11.82995 <12.2V
1998 Oct 11.83404 <16.4Rc
1998 Oct 11.83613 <16.6Rc
The star is recorded in the GCVS as follows.
NSV09699 R.A.=17 47 56.97 Decl.=+05 46 38.0 11.9 mag (V)
But there is no star image at this position on the images. In
addition, no bright star was at this position in the GSC and
USNO-A1.0. However, there is another star, about 48 arcsec away from
the position above:
USNO0900.10640441 17 47 59.390 +05 46 06.50 11.6R 12.1B
This star was detected as around 12.5Rc, 12.4V mag. It may be
NSV09699.
P.S.
If you would like examination report of your own images, please make a
contact to Seiichi Yoshida.
The past MISAO project examination reports are available at:
http://vsnet.info.waseda.ac.jp/muraoka/members/seiichi/misao/
--
Seiichi Yoshida
Muraoka Lab., Waseda University, Japan
seiichi@muraoka.info.waseda.ac.jp
http://vsnet.info.waseda.ac.jp/muraoka/members/seiichi/index.html
Return to Daisaku Nogami
vsnet-adm@kusastro.kyoto-u.ac.jp
VSNET Home Page