Targets were supplied by the ATLAS survey (Smith et al. 2020 2020arXiv200309052S) and the Zwicky Transient Facility ZTF (Bellm et al. 2019 2019PASP..131a8002B) - data stream processed through the Lasair broker (Smith, Williams, Young et al. 2019 2019RNAAS...3a..26S) and by the ALeRCE broker (Forster et al. 2020 https://arxiv.org/abs/2008.03303).
Observations were performed on the Isaac Newton Telescope (INT) at Roque de los Muchachos Observatory on the night of 2023 June 1, using IDS and EEV10 detector (R300V grating). Classifications were done using SNID (Blondin & Tonry 2007 2007ApJ...666.1024B) and GELATO (Harutyunyan et al. 2008 2008A&A...488..383H).
The classification spectra and additional details can be obtained from the IAU Transient Name Server.
The classified objects are listed in the Related Objects table below.
| Catalog | Name | Reported RA | Reported DEC | Reported Obj-Type | Reported Redshift | Host Name | Host Redshift | Source | Phase (days) | Remarks | TNS RA | TNS DEC | TNS Obj-Type | TNS Redshift |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| TNS | 2023ipx [ZTF23aajmpsa] | 15:38:01.553 | +14:24:42.70 | SN Ia | 0.06 | around peak | Redshift from template matching best fits. | 15:38:01.553 | +14:24:42.70 | SN Ia | 0.06 | |||
| TNS | 2023hwf [ATLAS23kda] | 11:31:28.487 | +08:40:41.10 | SN II | 0.023 | Redshift from H-alpha and H-beta from the transient spectrum. The flattening lightcurve is consistent with the suggested classification. | 11:31:28.493 | +08:40:41.10 | SN II | 0.023 |
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