AstroNotes

Primary tabs

Showing results 1 to 8 out of 8
Released: 2023-12-18 18:41:13
Spectroscopic Classification of AT2023zzk as SN II with Keck I + LRIS
Kyle Davis (UCSC), Ryan Foley (UCSC)
Source Group: UCSC
Related Objects:
2023zzk
RA, DEC:03:38:52.780, +40:59:19.02
(54.719917, 40.988617)
Redshift:0.020127
Type:SN II
We report the spectroscopic classification of AT2023zzk as a SN II (see ATel #16384).
Released: 2021-07-06 09:27:04
Spectroscopic Classification of AT 2021ryz with Keck I + LRIS
M. R. Siebert, R. J. Foley (UCSC)
Source Group: UCSC
Related Objects:
2021ryz [ZTF21abjbnhh]
RA, DEC:15:12:01.177, -03:13:20.13
(228.004905, -3.222259)
Redshift:0.021612
Type:SN Ia
We report the spectroscopic classification of AT 2021ryz as a SN Ia.
Released: 2021-06-15 20:56:29
Spectroscopic Classification of Optical Transients with the Lick Shane Telescope
M. R. Siebert, K. Taggart, R. J. Foley (UCSC)
Source Group: UCSC
Related Objects:
2021pil [ZTF21abexhlq]
RA, DEC:14:06:49.447, +65:45:12.92
(211.706031, 65.753588)
Redshift:0.07
Type:SN Ia
,
2021qbc [ZTF21abghxht]
RA, DEC:19:30:02.610, +35:02:46.72
(292.510875, 35.046311)
Redshift:0.046
Type:SN II-pec
We report the spectroscopic classification of AT 2021pil as a SN Ia and AT 2021qbc as Other (blue and featureless continuum).
Released: 2021-05-14 21:32:08
Updated Classification of SN 2021ltk with GMOS on the Gemini South Telescope
M. R. Siebert, R. J. Foley (UCSC)
Source Group: UCSC
Related Objects:
2021ltk [ATLAS21obo]
RA, DEC:14:05:37.900, -39:12:02.66
(211.407917, -39.200739)
Redshift:0.013643
Type:SN II
We report the updated spectroscopic classification of SN 2021ltk as a SN II.
Released: 2021-05-11 07:39:52
Spectroscopic Classification of AT 2021ltk with GMOS on the Gemini South Telescope
M. R. Siebert, R. J. Foley (UCSC)
Source Group: UCSC
Related Objects:
2021ltk [ATLAS21obo]
RA, DEC:14:05:37.900, -39:12:02.66
(211.407917, -39.200739)
Redshift:0.013643
Type:SN II
We report the spectroscopic classification of AT 2021ltk as a SN I.
Released: 2021-05-10 19:46:56
Spectroscopic Classification of AT 2021lwa with the Lick Shane Telescope
M. R. Siebert, D. O. Jones, R. J. Foley (UCSC), P. D. Aleo (UIUC)
Source Group: UCSC
Related Objects:
2021lwa [ZTF21aaxtsum]
RA, DEC:16:07:31.346, +33:30:13.18
(241.880610, 33.503661)
Redshift:0.123
Type:SN Ia
We report spectroscopic classification of AT 2021lwa as a SN Ia.
Released: 2021-04-08 17:05:14
Spectroscopic Classification of AT 2021hud with Keck I + LRIS
M. R. Siebert, R. J. Foley (UCSC)
Source Group: UCSC
Related Objects:
2021hud [PS21cvi]
RA, DEC:16:01:53.305, +20:15:30.03
(240.472105, 20.258341)
Redshift:0.047469
Type:SN II
We report spectroscopic classification of AT2021hud as a SN II
Released: 2020-04-02 01:43:12
HST Ultra-rapid Observations of SN 2020fqv
Georgios Dimitriadis, David A. Coulter, Ryan J. Foley, Charles D. Kilpatrick, Cesar Rojas-Bravo, Matthew R. Siebert (...
Source Group: UCSC
Related Objects:
2020fqv
RA, DEC:12:36:33.260, +11:13:53.87
(189.138583, 11.231631)
Redshift:0.007522
Type:SN IIb
We report ultra-rapid ToO STIS and COS UV observations with the Hubble Space Telescope and Swift UV observations of the young and nearby SN 2020fqv. The first epoch of HST UV spectroscopy is schedu...

Most Viewed

Released: 2022-07-16
Views Count: 5663
Discovery of Possible Transient in JWST NIRCam Images of SDSS J141930.11+525159.3
Mike Engesser (STScI), Gabriel Brammer (University of Copenhagen), Katriona Gould (University of ...
Released: 2023-05-19
Views Count: 4505
LT Classification of SN 2023ixf as a Type II Supernova in M101
Daniel A. Perley (LJMU), Avishay Gal-Yam (Weizmann), Ido Irani (Weizmann), Erez Zimmerman (Weizmann)
Released: 2023-05-23
Views Count: 3365
Early multiband light curve of SN 2023ixf
Juan-Luis González-Carballo, R. G. Farfán, F. Limón, J. L. Salto, C. Botana, A. Mantero, G. Locat...
Released: 2020-05-07
Views Count: 2505
Classification of SN 2020jfo (ZTF20aaynrrh) as a young Type II supernova
Daniel Perley (LJMU), Cristina Barbarino (Stockholm), Jesper Sollerman (Stockholm), Tassilo Schwe...
Released: 2020-04-22
Views Count: 2226
ATLAS20ktt (AT2020hvp): discovery of a candidate supernova in NGC 6118 (27 Mpc)
M. Fulton, K. W. Smith, S. Srivastav, O. McBrien, S. J. Smartt, J. Gillanders, P. Clark, D. O...
Released: 2019-12-31
Views Count: 2043
ePESSTO+ re-classification of AT2019xis as a light echo of SN 1987A in the LMC.
S. Taubenberger (MPA), D. Malesani (DTU Space), G. Terreran (Northwestern), S. J. Smartt (QUB), A...
Released: 2023-05-22
Views Count: 2017
Onset of SN 2023ixf observed over East Asian longitudes
Yiming Mao, Mi Zhang, Guangyao Cai, Jinan Chen, Jin Chen, Xing Gao, Keying Li, Xiaodong Lyu, Yuji...
Released: 2020-06-25
Views Count: 1958
ATLAS20qoq (AT2020nlb): discovery of a candidate SN in MESSIER 85 (17 Mpc)
A. Townsend (Queen's University Belfast / University of Manchester), K. W. Smith, S. Srivast...
Released: 2023-10-11
Views Count: 1868
SN 2023tyk: discovery to spectroscopic classification performed fully automatically
Nabeel Rehemtulla (NU), Adam Miller (NU), Christoffer Fremling (Caltech), D. A. Perley (LJMU), Yu...
Released: 2020-03-30
Views Count: 1763
Fast Radio Bursts (FRBs) now reported to and distributed via the TNS
O. Yaron, E. Ofek, A. Gal-Yam, A. Sass (Weizmann)

Recent Released Tools

Released: 2024-03-19
Views Count: 35
Reactivation of the LIGO (LVK) Gravitational-Wave event tool on the TNS
Ofer Yaron (WIS), Nikola Knezevic (AOB), Avner Sass, Avishay Gal-Yam (WIS)
Released: 2024-02-29
Views Count: 87
Monthly ZTF public experiment - Announcement
Tomás Ahumada (Caltech), Shreya Anand (Caltech), Yu-Jing Qin (Caltech), Mansi Kasliwal (Caltech), Tomás Cabrera (CMU), Lei Hu (...
Released: 2023-10-11
Views Count: 1868
SN 2023tyk: discovery to spectroscopic classification performed fully automatically
Nabeel Rehemtulla (NU), Adam Miller (NU), Christoffer Fremling (Caltech), D. A. Perley (LJMU), Yu-Jing Qin (Caltech), Jesper So...