DRAFT
2024-04-02 13:27:56
Type: Object/s-Discovery/Classification
Bibcode: 2024TNSAN..87....1D
ePESSTO+ spectroscopic classification of optical transients
Authors: J. van Dalen, A. van Hoof (Radboud), M. Fraser (UCD), T.-W. Chen (NCU), J.R.D. Duarte, S. Gonzalez (CENTRA), L Galbany (IEEC), E. Zimmerman (Weizmann), J. Sollerman (Stockholm), J. Anderson (ESO), 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 4 Type Ia and 2 Type IIn SNe (both of which display lightcurves rising for thirty days) and one probable SN of uncertain type.

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 ESA Gaia Photometric Science Alerts Team DPAC.

Observations were performed on the ESO New Technology Telescope (NTT) at La Silla on the night of 2024 May 31, using EFOSC2 and Grisms 13 (3985-9315A, 18A resolution) and 11 (3380-7520, 13.8A resolution). Classifications were done using DASH (Muthukrishna, Parkinson and Tucker, 2019 2019ApJ...885...85M)

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 2024dwo [ZTF24aagtesv] 13:53:23.499 +14:24:41.12 SN IIn 0.036 ZTF 30 13:53:23.484 +14:24:41.21 SN IIn 0.036
TNS 2024dyf [Gaia24aus] 05:21:23.790 -49:42:55.30 SN IIn 0.105 Gaia 05:21:23.790 -49:42:55.30 SN IIn 0.105
TNS 2024fci [ZTF24aahwbej] 11:17:56.881 +19:58:28.35 SN 0.042 ZTF 11:17:56.881 +19:58:28.35 SN 0.042
TNS 2024ecv [ATLAS24dmg] 11:55:12.950 -30:14:33.75 SN Ia 0.03 ATLAS 7 11:55:12.950 -30:14:33.75 SN Ia 0.03
TNS 2024eeg [ATLAS24dnz] 13:14:08.003 -58:32:40.93 SN Ia 0.02 ATLAS 30 13:14:08.003 -58:32:40.93 SN Ia 0.02
TNS 2024fai [ZTF24aahpcfe] 10:48:40.900 -09:31:36.55 SN Ia-91T-like 0.08 ZTF 0 10:48:40.900 -09:31:36.55 SN Ia-91T-like 0.08
TNS 2024fct [ZTF24aahzhzr] 14:30:54.638 -05:59:32.12 SN Ia 0.07 ZTF 0 14:30:54.630 -05:59:32.15 SN Ia 0.07

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