TNS Classification Report No. 21580 [ 2025TNSCR2778....1P ]
Date Received (UTC): 2025-07-19 23:49:19 Sender: Geza Csornyei
Group: None
NTT spectroscopic classifications of optical transients during the ESO Summer Research Programme report/s a classification of object: AT 2025ocg
Type: Varstar
Remarks: The spectrum shows clear 4000 AA break at z = 0. The spectrum also shows a narrow Halpha emission line due to background galaxy contamination, at a redshift of z = 0.025.
The following Classification spectrum was provided:
Obsdate: 2025-07-19 05:13:12
Instrument: EFOSC2-NTT
Telescope: The ESO New Technology Telescope
Remarks: Quick-reduction spectrum
Details of the object and its spectra can be viewed here: https://www.wis-tns.org/object/2025ocg
Date Received (UTC): 2025-07-19 23:49:19 Sender: Geza Csornyei
Group: None
NTT spectroscopic classifications of optical transients during the ESO Summer Research Programme report/s a classification of object: AT 2025ocg
Type: Varstar
Remarks: The spectrum shows clear 4000 AA break at z = 0. The spectrum also shows a narrow Halpha emission line due to background galaxy contamination, at a redshift of z = 0.025.
The following Classification spectrum was provided:
Obsdate: 2025-07-19 05:13:12
Instrument: EFOSC2-NTT
Telescope: The ESO New Technology Telescope
Remarks: Quick-reduction spectrum
Details of the object and its spectra can be viewed here: https://www.wis-tns.org/object/2025ocg