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ASAS-SN Discovery of A Likely Galactic Nova ASASSN-16kt at V=9.1

ATel #9538; K. Z. Stanek, C. S. Kochanek, J. S. Brown, T. W.-S. Holoien, J. Shields (OSU), B. J. Shappee (Hubble Fellow, Carnegie Observatories), J. L. Prieto (Diego Portales; MAS), D. Bersier (LJMU), Subo Dong, S. Bose, Ping Chen (KIAA-PKU), L. Chomiuk, J. Strader (MSU), J. Brimacombe (Coral Towers Observatory)
on 24 Sep 2016; 02:53 UT
Distributed as an Instant Email Notice Novae
Credential Certification: Krzysztof Stanek (stanek.32@osu.edu)

Subjects: Optical, Nova

Referred to by ATel #: 9539, 9550, 9564, 9587, 9594, 9644

During the ongoing All Sky Automated Survey for SuperNovae (ASAS-SN or "Assassin"), using data from the quadruple 14-cm "Cassius" telescope in CTIO, Chile, we detect a new, very bright transient source, most likely a classical nova, fairly close to the the Galactic plane

Object       RA (J2000)    DEC (J2000)    Gal l (deg)   Gal b (deg)    Disc. UT Date   Disc. V mag 
ASASSN-16kt  05:29:01.82  -44:4940.89       330.091        9.569       2016-09-24.00     9.1 
ASASSN-16kt was discovered in images obtained on 2016-09-24.00 at V~9.1. We do not detect (V>17.5) the object in images taken on UT 2016-09-20.01 and before. No previous outbursts are detected at this location since ASAS-SN started observing all of the Galactic plane in March 2016.

Observation Date    V mag  V err 
2016-09-20.01       >17.5 
2016-09-24.00       9.11   0.01 
Follow-up observations, especially multi-band photometry and spectroscopy, are strongly encouraged.

We thank LCOGT and its staff for their continued support of ASAS-SN. ASAS-SN is supported by NSF grant AST-1515927, the Mt. Cuba Astronomical Foundation, and the Center for Cosmology and AstroParticle Physics (CCAPP) at OSU.