Discovery certificate for object 2015bt
TNS Astronomical Transient Report No. 6392 [ 2018TNSTR1661....1K ]

Date Received (UTC): 2016-11-01 20:24:01
Date made public: 2018-11-01
Sender: iPTF (iPTF_Bot1)
Source Group: iPTF

M. Kasliwal, Y. Cao (Caltech), on behalf of iPTF report/s the discovery of a new astronomical transient.

IAU Designation: AT 2015bt
Discoverer internal name: iPTF15bt
Coordinates (J2000): RA = 12:37:07.438 (189.28099) DEC = +45:11:07.95 (45.185542)
Discovery date: 2015-12-18 12:12:57 (JD=2457375.0089931)



Photometry

Discovery (first detection):
Discovery date: 2015-12-18 12:12:57
Flux: 20.4449 ABMag
Filter: g-PTF
Instrument: CFH12k
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2009-01-01 00:00:00
Limiting flux: 21.5 ABMag
Filter: R-PTF
Instrument: CFH12k
Telescope: Palomar 1.2m Oschin


Details of the new object can be viewed here: https://wis-tns.weizmann.ac.il/object/2015bt