(cba:news) ATel 658 (fwd)

Joe Patterson jop at astro.columbia.edu
Mon Nov 21 05:00:31 EST 2005

This eruptive star may, or may not, be one of our boys... but it's likely
to be pretty interesting no matter what.  I recommend it for N observers -
much as I hate to steer attention away from the fascinating HS2331+39!


The Astronomer's Telegram                   http://www.astronomerstelegram.org
Posted: Thu Nov 17 01:30:00 EST 2005 -- Sun Nov 20 01:30:01 EST 2005
ATEL #658							     ATEL #658

Title:		Dwarf Nova TSS J022216.4+412260
Author:	R. Quimby, M. Sellers, P. Mondol (U. Texas) and The Nearby
		Supernova Factory: P. Antilogus, S. Gilles, R. Pain, R. Pereira (Laboratoire
		de Physique Nucleaire et de Haute Energies de Paris), N. Blanc, S.
		Bongard, Y. Copin, E. Gangler, L. Sauge, G. Smadja (Institut de Physique
		Nucleaire de Lyon), G. Aldering, S. Bailey, D. Kocevski, B. C. Lee,
		S. Loken, P. Nugent, S. Perlmutter, R. Scalzo, R. C. Thomas, L. Wang,
		B. A. Weaver (Lawrence Berkeley National Laboratory, Berkeley, CA),
		C. Bonnaud, E. Pecontal (Centre de Recherche Astronomique de Lyon),
		R. Kessler (Kavli Institute for Cosmological Physics, Chicago, IL),
		C. Baltay, D. Rabinowitz, A. Bauer (Yale)
Queries:	quimby at astro.as.utexas.edu
Posted:	19 Nov 2005;  19:03  UT
Subjects:	Optical, Cataclysmic Variables, Transients

We report the discovery of an optical transient using unfiltered CCD
images taken on November 16.1 UT (about 15.5 mag) and November 17.1 (also
about 15.5 mag) using the 0.45m ROTSE-IIIb telescope at the McDonald
Observatory. The object is located at RA = 02h22m16.4s DEC = +41o22'59.9"
(J2000; uncertainty +/- 0.5"). TSS J022216.4+412260 was not detected
in   ROTSE-IIIb data from November 15.1 UT (limiting mag about 16.5).
The Nearby Supernova Factory adds that a spectrum (range 320-1000 nm)
of    TSS J022216.4+412260 obtained November 18.6 UT with the Supernova
Integral    Field Spectrograph on the University of Hawaii 2.2-meter telescope,
shows    it to be a dwarf nova in outburst. The spectra reveal a blue continuum
with    prominent H-alpha and HeII 4686 emission lines.

Password Certification:  Robert Quimby (quimby at astro.as.utexas.edu)
Your keywords: Radio, Millimeter, Sub-Millimeter, Far-Infra-Red, Infra-Red,
Optical, Ultra-Violet, X-ray, Gamma Ray, >GeV, Request for Observations,
A Comment, AGN, Asteroids, Binaries, Black Holes, Comets, Cosmic Rays,
Cataclysmic Variables, Globular Clusters, Gamma-Ray Bursts, Meteors, Microlensing
Events, Neutron Stars, Novae, Planets, Planets (minor), Pulsars, Quasars,
Soft Gamma-ray Repeaters, Solar System Objects, The Sun, Supernovae, Supernova
Remnants, Transients, Variables, Stars

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