Discovery certificate for object 2017igs
TNS Astronomical Transient Report No. 14807 [ 2017TNSTR1275....1N ]

Date Received (UTC): 2017-11-19 14:50:40
Sender: Prof. Krzysztof Stanek
Source Group: ASAS-SN

B. Nicholls, J. Brimacombe, P. Chen, S. Dong, K. Z. Stanek, for the ASAS-SN team report/s the discovery of a new astronomical transient.

IAU Designation: AT 2017igs
Discoverer internal name: ASASSN-17ph
Coordinates (J2000): RA = 06:23:38.572 (95.910717) DEC = -35:38:23.50 (-35.639861)
Discovery date: 2017-11-17 06:00:00 (JD=2458074.75)

Potential host galaxy: ESO 365- G 011
Host redshift: 0.030241

Remarks: In two epochs, on the rise; close to AT 2017fbf/Gaia17bqu, but it is not the same object

Photometry

Discovery (first detection):
Discovery date: 2017-11-17 06:00:00
Flux: 16.4 VegaMag
Filter: V-Johnson
Instrument: Cassius
Telescope: ASASSN-Cassius

Last non-detection:
Last non-detection date: 2017-10-22 07:26:24
Limiting flux: 17.9 VegaMag
Filter: V-Johnson
Instrument: Cassius
Telescope: ASASSN-Cassius


Details of the new object can be viewed here: https://wis-tns.weizmann.ac.il/object/2017igs