Discovery certificate for object 2018jh
TNS Astronomical Transient Report No. 16579 [ 2018TNSTR..95....1P ]

Date Received (UTC): 2018-01-21 14:44:49
Sender: Jose Prieto
Source Group: ASAS-SN

J. L. Prieto (UDP/MAS) for ASAS-SN team report/s the discovery of a new astronomical transient.

IAU Designation: SN 2018jh
Discoverer internal name: ASASSN-18az
Coordinates (J2000): RA = 14:21:17.400 (215.3225) DEC = -06:37:38.80 (-6.627444)
Discovery date: 2018-01-21 10:22:01 (JD=2458139.93196)

Potential host galaxy: 2MASX J14211713-0637416

Remarks: Detected in 4 epochs, on the rise (all AB mags): g=18.13 +/- 0.18 (2018-01-19.3195758), 17.82 +/- 0.13 (2018-01-20.3192538), 17.36 +/- 0.11 (2018-01-21.3152754), g=16.72 +/- 0.07 (2018-01-21.4319677). Undetected on 2018-01-18.3614577 to g > 18.24 mag.

Photometry

Discovery (first detection):
Discovery date: 2018-01-21 10:22:01
Flux: 16.72 ABMag
Filter: g-Sloan
Instrument: Leavitt
Telescope: ASASSN-Leavitt

Last non-detection:
Last non-detection date: 2018-01-18 08:40:29
Limiting flux: 18.24 ABMag
Filter: g-Sloan
Instrument: Leavitt
Telescope: ASASSN-Leavitt


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