DRAFT
2024-07-11 15:53:02
Type: Object/s-Discovery/Classification
Bibcode: 2024TNSAN.190....1D
ePESSTO+ spectroscopic classification of optical transients
Authors: J. Duarte, S. González-Gaitán (CENTRA-IST), C. Gutiérrez (IEEC/ICE-CSIC), P. Pessi (Stockholm), A. Kumar (Warwick), M. Dennefeld (IAP), S. Benetti (INAF-OAPd), 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, R. Bruch (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 11 Type Ia's, 3 Type II's (one showing flash features), 1 core-collapse SN, and 2 galaxies.

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 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 July 10, 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).

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 2024kzu [ZTF24aarqrkn] 21:30:45.293 +04:48:53.01 SN Ia 0.1 SDSS J213045.10+044850.4 Around peak Redshift from spectral matching 21:30:45.293 +04:48:53.01 SN Ia 0.1
TNS 2024lrp [ZTF24aaseunp] 23:31:27.813 -08:26:06.48 SN Ia 0.08 SDSS J233127.88-082606.3 +11 to +20 Redshift from spectral matching 23:31:27.838 -08:26:06.50 SN Ia 0.086
TNS 2024ltj [ZTF24aashinc] 21:44:13.922 -11:26:11.84 SN Ia 0.09 WISEA J214414.02-112617.9 +11 to +20 Redshift from spectral matching 21:44:13.922 -11:26:11.84 SN Ia 0.09
TNS 2024nsp [ZTF24aaugxzp] 01:14:04.855 -01:44:35.65 SN II 0.0164 UGC 00784 0.016348 Around peak Redshift from the host galaxy. Classification consistent with that reported in the TNS Classification Report No. 17390. 01:14:04.860 -01:44:35.52 SN II 0.0164
TNS 2024nwq [ATLAS24kpx] 00:16:10.130 -53:16:53.69 SN Ia 0.09 WISEA J001609.92-531653.0 Around peak Redshift from spectral matching 00:16:10.130 -53:16:53.69 SN Ia 0.09
TNS 2024nwu [ATLAS24kpz] 01:09:24.687 -66:15:38.93 SN Ia 0.0242 WISEA J010923.92-661536.2 0.0242 -7 to -4 Redshift from the host galaxy. Classification consistent with that reported in the TNS Classification Report No. 17387. 01:09:24.690 -66:15:38.92 SN Ia 0.0242
TNS 2024oqd [ATLAS24krc] 01:19:02.050 -17:03:27.22 SN II 0.02 IC0093 0.02 Around peak Redshift from the host galaxy 01:19:02.078 -17:03:27.20 SN II 0.02
TNS 2024ozr [ZTF24aaunxxm] 21:06:19.635 +02:10:09.21 SN II 0.062 SDSS J210619.40+021009.0 Blue continuum showing flash features (Blamer lines, He II). Redshift from galaxy narrow emission lines. 21:06:19.635 +02:10:09.21 SN II 0.062
TNS 2024pbe [ATLAS24kuu] 02:52:50.466 -01:17:09.23 SN Ia 0.023 NGC1132 -7 to -4 Redshift from the host galaxy. Classification consistent with that reported in the TNS Classification Report No. 17385. 02:52:50.470 -01:17:09.17 SN Ia 0.023
TNS 2024pcg [GOTO24dko] 00:43:00.894 +01:33:27.36 SN Ia 0.07 SDSS J004301.00+013324.1 -7 to -4 Redshift from spectral matching 00:43:00.907 +01:33:26.79 SN Ia 0.07
TNS 2024pcx [ATLAS24kvh] 14:50:22.423 -02:27:28.93 SN Ia 0.07 SDSS J145022.44-022729.0 -7 to -4 Redshift from galaxy narrow emission lines. 14:50:22.420 -02:27:29.09 SN Ia 0.07
TNS 2024peb [ATLAS24kxh] 22:04:23.429 -48:37:39.05 SN Ia 0.0365 2MASXJ22042294-4837450 Around peak Redshift from the host galaxy. 22:04:23.429 -48:37:39.05 SN Ia 0.0365
TNS 2024peh [ATLAS24kxw] 01:35:14.317 -12:23:03.99 Galaxy 0.085 2MASXJ01351439-1223052 Redshift from the host galaxy. 01:35:14.317 -12:23:03.99 Galaxy 0.085
TNS 2024pem [ATLAS24kye] 04:44:57.538 -52:19:29.27 SN Ia 0.1 -10 to -8 Redshift from spectral matching. 04:44:57.538 -52:19:29.27 SN Ia 0.1
TNS 2024pfc [ATLAS24kyk] 14:05:35.607 -39:12:11.72 SN 0.0136 IC4367 0.013643 Redshift from the host galaxy. Consistent with a CC SN soon after explosion. 14:05:35.590 -39:12:11.41 SN 0.0136
TNS 2024pfp [Gaia24btf] 22:47:40.040 -37:11:06.50 Galaxy 0.04 WISEA J224740.11-371105.1 Redshift from spectral matching 22:47:40.040 -37:11:06.50 Galaxy 0.04
TNS 2024pfr [ZTF24aauuovk] 19:50:30.253 +08:20:18.30 SN Ia 0.03 Around peak Redshift from spectral matching. 19:50:30.253 +08:20:18.30 SN Ia 0.03

Comments