Discovery certificate for object 2018xz
TNS Astronomical Transient Report No. 17045 [ 2018TNSTR.255....1S ]

Date Received (UTC): 2018-02-22 14:34:14
Sender: Prof. Krzysztof Stanek
Source Group: ASAS-SN

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

IAU Designation: AT 2018xz
Discoverer internal name: ASASSN-18dl
Coordinates (J2000): RA = 10:02:31.550 (150.63146) DEC = +13:43:42.82 (13.72856)
Discovery date: 2018-02-21 05:45:36 (JD=2458170.74)

Potential host galaxy: 2MASX J10023148+1343409
Host redshift: 0.033537

Remarks: In several epochs, confirmed in follow-up images

Photometry

Discovery (first detection):
Discovery date: 2018-02-21 05:45:36
Flux: 17.5 ABMag
Filter: g-Sloan
Instrument: Leavitt
Telescope: ASASSN-Leavitt

Last non-detection:
Last non-detection date: 2018-02-13 06:28:48
Limiting flux: 18.9 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/2018xz