Discovery certificate for object 2019dex
TNS Astronomical Transient Report No. 32734 [ 2019TNSTR.538....1S ]

Date Received (UTC): 2019-04-10 16:24:09
Sender: Prof. Krzysztof Stanek
Source Group: ASAS-SN

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

IAU Designation: AT 2019dex
Discoverer internal name: ASASSN-19jo
Coordinates (J2000): RA = 22:43:18.756 (340.82815) DEC = -59:24:49.18 (-59.41366)
Discovery date: 2019-04-09 09:50:24 (JD=2458582.91)

Potential host galaxy: ESO 147- G 006
Host redshift: 0.017179

Remarks: Present in several epochs, discovered after the seasonal break

Photometry

Discovery (first detection):
Discovery date: 2019-04-09 09:50:24
Flux: 16.8 ABMag
Filter: g-Sloan
Instrument: Cassius
Telescope: ASASSN-Cassius

Last non-detection:
Last non-detection date: 2018-12-28 00:57:36
Limiting flux: 17.8 ABMag
Filter: g-Sloan
Instrument: Cassius
Telescope: ASASSN-Cassius


Details of the new object can be viewed here: https://wis-tns.weizmann.ac.il/object/2019dex