Discovery certificate for object 2018ir
TNS Astronomical Transient Report No. 16559 [ 2018TNSTR..91....1F ]

Date Received (UTC): 2018-01-20 14:59:01
Sender: Prof. Krzysztof Stanek
Source Group: ASAS-SN

J. M. Fernandez, J. Brimacombe, K. Z. Stanek, for the ASAS-SN team report/s the discovery of a new astronomical transient.

IAU Designation: AT 2018ir
Discoverer internal name: ASASSN-18ax
Coordinates (J2000): RA = 07:42:47.518 (115.69799) DEC = +19:09:49.64 (19.16379)
Discovery date: 2018-01-19 06:14:24 (JD=2458137.76)

Potential host galaxy: SDSS J074246.92+190955.6

Remarks: In several epochs, confirmed by follow-up images, unknown redshift host galaxy

Photometry

Discovery (first detection):
Discovery date: 2018-01-19 06:14:24
Flux: 18.3 ABMag
Filter: g-Sloan
Instrument: Leavitt
Telescope: ASASSN-Leavitt

Last non-detection:
Last non-detection date: 2018-01-11 21:36:00
Limiting flux: 18.8 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/2018ir