DRAFT
2024-08-26 17:46:00
Type: Object/s-Discovery/Classification
Bibcode: 2024TNSAN.227....1M
ePESSTO+ spectroscopic classification of optical transients
Authors: S. Mohsen, N. Shitrit (TAU), T. Moore (QUB), R.J. Bruch (TAU), K. Matilainen (UTU), S. Barmentloo (Stockholm), M. Fulton (QUB), I. Arcavi (TAU), J. Sollerman, J. Johansson (OKC), L. Izzo (INAF), E. Zimmerman (WIS), J. Tonry, L. Denneau, H. Weiland, A. Lawrence, R. Siverd (IfA, University of Hawaii), N. Erasmus, W. Koorts (South African Astronomical Observatory), A. Jordan, V. Suc (UAI, Obstech), S. J. Smartt (Oxford/QUB), K. W. Smith, S. Srivastav, M. Fulton, M. McCollum, J. Weston (QUB), L. Shingles (GSI/QUB), L. Rhodes (Oxford), J. Sommer (LMU/QUB), A. Rest (STScI), T.-W. Chen (NCU), C. Stubbs (Harvard), K. C. Chambers, M. Huber, A. Schultz, T. de Boer, J. Bulger, J. Fairlamb, C.-C. Lin, T. Lowe, E. Magnier, P. Minguez, R. J. Wainscoat, H. Gao (IfA, Hawaii), J. Anderson (ESO), T.-W. Chen (NCU), M. Gromadzki (Warsaw), C. Inserra (Cardiff), E. Kankare (Turku), T. Müller Bravo (ICE), M. Nicholl (QUB), O. Yaron (Weizmann), D. Young (QUB)
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Abstract:
This report includes classifications of 3 Type Ia's, 2 Type II's, 2 Type Ia-91T-like, 1 Type Ia-pec, 1 Type Ia-91bg-like, 2 Type Ic-BL, 1 Type Ib, 1 Type Ic, and 2 unclassified SN. We encourage follow-up.

ePESSTO+, the advanced Public ESO Spectroscopic Survey for Transient Objects (Smartt et al. 2015 2015A&A...579A..40S), reports the following supernova classifications.

Targets were supplied by  the ATLAS survey (Smith et al. 2020 2020PASP..132h5002S), 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...3...26S) and by the ALeRCE broker (Forster et al. 2020 2021AJ....161..242F), the Pan-STARRS Survey for Transients (Chambers et al. 2016 2016arXiv161205560C), and the Gravitational-wave Optical Transient Observer GOTO (see Dyer et al. 2020, SPIE, 11445 2020SPIE11445E..7GD).

Observations were performed on the ESO New Technology Telescope (NTT) at La Silla on the night of 2024 August 24, using EFOSC2 and Grism 13 (3985-9315A, 18A resolution). Classifications were done using ASTRODASH (Muthukrishna 2019 2019ApJ...885...85M), and NGSF (Next Generation SuperFit; AstroNote 2022-191, Howell et al. 2005 2005ApJ...634.1190H).

The classification spectra and additional details can be obtained from http://www.pessto.org (via WISeREP) and the IAU Transient Name Server.

The classified objects are listed in the Related Objects table below.

Show current TNS values
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 2024qkw [ZTF24aaxmpyh] 00:11:45.256 +06:38:46.74 SN Ia-pec 0.0461 Redshift from template matching with ASTRODASH. 00:11:45.256 +06:38:46.74 SN Ia-pec 0.0461
TNS 2024slc [ZTF24abboumm] 16:58:12.647 +02:04:35.32 SN Ia 0.07 PS1 110492545527692138 Redshift from template matching with ASTRODASH. 16:58:12.656 +02:04:35.19 SN Ia 0.07
TNS 2024rpt [GOTO24enu] 23:06:10.493 -19:50:14.22 SN Ia 0.07 0.074962 Redshift from NED (SLS). 23:06:10.493 -19:50:14.22 SN Ia 0.07
TNS 2024ryr 20:32:13.277 +18:05:48.74 SN Ic-BL 0.0922 20:32:13.277 +18:05:48.74 SN Ic-BL 0.0922
TNS 2024sky 18:02:56.523 -66:25:43.63 SN II 0.0124 18:02:56.523 -66:25:43.63 SN II 0.0124
TNS 2024stt 22:23:42.752 -63:09:27.84 SN Ia-91bg-like 0.044 22:23:42.752 -63:09:27.84 SN Ia-91bg-like 0.044
TNS 2024stj 01:11:42.061 -62:47:07.93 SN Ic-BL 0.04 Redshift from template matching with SNID. 01:11:42.050 -62:47:08.05 SN Ic-BL 0.04
TNS 2024seh [ZTF24abavoif] 21:55:50.906 -03:05:23.10 SN 0.056 Redshift using galaxy lines in the spectrum. 21:55:50.900 -03:05:23.25 SN II 0.056
TNS 2024rcc 23:30:11.207 +18:26:12.54 SN Ia-91T-like 0.14 SDSS J233011.21+182611.9 23:30:11.207 +18:26:12.54 SN Ia-91T-like 0.14
TNS 2024sfx 02:08:43.800 -16:13:01.85 SN Ia 0.0634 02:08:43.813 -16:13:01.85 SN Ia 0.0634
TNS 2024ske 23:04:22.394 -16:51:00.43 SN Ia-91T-like 0.0788 23:04:22.394 -16:51:00.43 SN Ia-91T-like 0.0788
TNS 2024ssn 01:29:59.370 +00:29:29.56 SN Ib 0.033 01:29:59.381 +00:29:29.52 SN Ib 0.033
TNS 2024ssh 01:52:14.120 -33:32:49.52 SN II 0.019 01:52:14.110 -33:32:49.76 SN II 0.019
TNS 2024rrn 00:52:21.281 -26:34:30.60 SN Ic 0.035 00:52:21.281 -26:34:30.60 SN Ic 0.035
TNS 2024skt 23:46:12.468 -75:16:24.94 SN 0.02 0.021 Redshift from NED 23:46:12.468 -75:16:24.94 SN 0.02

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