DRAFT
2024-06-02 17:01:18
Type: Object/s-Discovery/Classification
Bibcode: 2024TNSAN.146....1K
ePESSTO+ spectroscopic classification of optical transients
Authors: T. Kravtsov, K. Matilainen, C. Vassallo, H. Kuncarayakti, T. Killestein, N. Koivisto (Turku), A. Reguitti (INAF-OAB), L. Galbany (IEEC), T. Petrushevska (Nova Gorica), 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), 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, T. Moore, J. Weston (QUB), L. Shingles (GSI/QUB), L. Rhodes (Oxford), J. Sommer (LMU/QUB), A. Rest (STScI), C. Stubbs (Harvard)
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Abstract:
This report includes classifications of two SNe Ia, two SNe IIn, two SNe Ia 91T-like, one SN II, and one blue continuum source.

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), 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 June 01, using EFOSC2 and Grism 13 (3985-9315A, 18A resolution). Classifications were done using SNID (Blondin & Tonry 2007 2007ApJ...666.1024B), GELATO (Harutyunyan et al. 2008 2008A&A...488..383H), 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 2024idf [ATLAS24guv] 10:13:36.733 -47:07:01.35 SN IIn 0.057 +4 to +7 Redshift from narrow Ha 10:13:36.733 -47:07:01.35 SN IIn 0.057
TNS 2024jup [ZTF24aaovevh] 11:28:52.956 -15:35:34.08 SN Ia-91T-like 0.07 at max Redshift from template matching - good matches to Ia 99aa-likes and 91T-likes are obtained. 11:28:52.956 -15:35:34.08 SN Ia-91T-like 0.07
TNS 2024jry [ATLAS24hvg] 13:06:38.979 +08:48:35.41 SN 0.067 WISEA J130638.66+084829.6 0.067 Redshift from nearby host. 13:06:38.946 +08:48:34.95 SN 0.067
TNS 2024jor [GOTO24cfp] 13:29:29.878 -23:39:35.21 SN Ia 0.03 ESO 509- G 029 0.03 -7 to -4 Redshift from host. 13:29:29.868 -23:39:34.99 SN Ia 0.03
TNS 2024etj [ZTF24aahezwm] 16:01:45.852 +15:02:46.75 SN II 0.03 SDSS J160146.05+150246.5 >+20d Redshift from template matching 16:01:45.852 +15:02:46.75 SN II 0.03
TNS 2024jvl [ZTF24aapajlj] 16:39:52.432 +04:57:03.09 SN Ia 0.12 at max Redshift from template matching 16:39:52.443 +04:57:02.82 SN Ia 0.12
TNS 2024jld [ZTF24aaovpei] 17:32:44.077 +12:47:44.60 SN Ia 0.08 at max Redshift from template matching 17:32:44.086 +12:47:44.38 SN Ia 0.08
TNS 2024jdw [ATLAS24hlt] 19:54:19.836 -23:17:09.42 Galaxy 0.002 19:54:19.831 -23:17:09.40 Galaxy 0.002
TNS 2024jem [GOTO24bwz] 20:21:39.406 -65:24:30.47 SN IIn 0.043 Redshift from narrow Ha. 20:21:39.406 -65:24:30.47 SN IIn 0.043
TNS 2024jvo [ZTF24aapcivp] 20:59:44.369 +29:34:36.06 SN Ia 0.08 at max Redshift from template matching. 20:59:44.369 +29:34:36.06 SN Ia 0.08

Comments