Discovery certificate for object 2018btr
TNS Astronomical Transient Report No. 18673 [ 2018TNSTR.668....1C ]

Date Received (UTC): 2018-05-19 15:10:55
Sender: Prof. Krzysztof Stanek
Reporting Group: ASAS-SN     Discovery Data Source: ASAS-SN

P. Cacella, J. Brimacombe, N. Castro, G. Stone, K. Z. Stanek, for the ASAS-SN team report/s the discovery of a new astronomical transient.

IAU Designation: SN 2018btr
Discoverer internal name: ASASSN-18kp
Coordinates (J2000): RA = 10:02:05.971 (150.52488) DEC = -15:17:55.21 (-15.29867)
Discovery date: 2018-05-17 19:07:40.000 (JD=2458256.2969907)

Potential host galaxy: MCG -02-26-021
Host redshift: 0.031275

Remarks: In several epochs, confirmed by follow-up imaging

Photometry

Discovery (first detection):
Discovery date: 2018-05-17 19:07:40.000
Flux: 17.6 ABMag
Filter: g-Sloan
Instrument: Payne-Gaposchkin
Telescope: ASASSN-Payne-Gaposchkin

Last non-detection:
Last non-detection date: 2018-05-15 19:12:00
Limiting flux: 18.3 ABMag
Filter: g-Sloan
Instrument: Payne-Gaposchkin
Telescope: ASASSN-Payne-Gaposchkin


Details of the new object can be viewed here: https://wis-tns.weizmann.ac.il/object/2018btr