AstroNotes

Primary tabs

Showing results 1 to 5 out of 5
AstroNote 2023-121
Type: Object/s-Discovery/Classification
Released: 2023-05-20 07:19:13
Two transients candidates in the error box of GW event S230518h
Cole Johnston (Radboud), Paul Groot (Radboud, UCT, SAAO), Simon de Wet (UCT,SAAO), Paul Vreeswijk (Radboud), Sumedha ...
Source Group: MeerLICHT
Keywords: Surveys, Transient, Gravitational Waves
Related Objects:
2023ixg [MLT J074824.10-703558.7]
RA, DEC:07:48:24.256, -70:35:58.89
(117.101067, -70.599693)
Redshift:
Type:
See object 2023ixg [MLT J074824.10-703558.7]
,
2023iyb [MLT J111035.64-873800.2]
RA, DEC:11:10:35.450, -87:38:00.42
(167.647710, -87.633450)
Redshift:
Type:
See object 2023iyb [MLT J111035.64-873800.2]
MeerLICHT follow-up of the localisation region of GW event LVK S230518h identified two extragalactic transients: AT2023ixg and AT2023iyb
AstroNote 2023-68
Type: Object/s-Discovery/Classification
Released: 2023-03-23 21:01:44
Possible young supernova in galaxy SDSS J121935.03+052048.5 at z=0.07491
Cole Johnston (Radboud), Simon de Wet (UCT/SAAO), Danielle Pieterse (Radboud), Paul Vreeswijk (Radboud), Paul Groot (...
Source Group: MeerLICHT
Keywords: Optical, Supernova, Surveys, Time-domain
Related Objects:
2023dwb [MLT J121935.03+052048.7]
RA, DEC:12:19:35.057, +05:20:48.98
(184.896072, 5.346938)
Redshift:0.074912
Type:SN Ia
See object 2023dwb [MLT J121935.03+052048.7]
MeerLICHT detection of a possible young supernova at q_AB = 19.51 in SDSS J121935.03+052048.5 at z=0.07491
AstroNote 2023-61
Type: Object/s-Discovery/Classification
Released: 2023-03-19 15:34:41
Possible Supernova in NGC 5135 at 60 MPc
Paul Groot (Radboud, UCT, SAAO), Simon de Wet (UCT, SAAO), Orapeleng Mogawana (UCT, SAAO), Paul Vreeswijk (Radboud)
Source Group: MeerLICHT
Keywords: Photometry, Supernova, Surveys, Optical
Related Objects:
2023dpj [MLT J132544.41-295011.9]
RA, DEC:13:25:44.399, -29:50:11.91
(201.434995, -29.836642)
Redshift:0.01369
Type:SN II
See object 2023dpj [MLT J132544.41-295011.9]
MeerLICHT discovery of AT2023dpj, a possible supernova in NGC 5135 at 60 Mpc.
AstroNote 2022-118
Type: Object/s-Discovery/Classification
Released: 2022-05-25 17:06:51
AT2022kms in NGC 55: SALT spectroscopy reveals likely Luminous Red Nova nature
Nadia Blagorodnova (Radboud), Jaco Brink (SAAO/UCT), David Buckley (SAAO/Bloemfontein/UCT), Paul Groot (Radboud/SAAO/...
Source Group: MeerLICHT
Keywords: Time-domain, Optical, Transient
Related Objects:
2022kms [ATLAS22olj]
RA, DEC:00:15:14.669, -39:13:22.47
(3.811120, -39.222907)
Redshift:
Type:
See object 2022kms [ATLAS22olj]
Related Notes:
2022-115
AstroNote 2022-1152022-05-24 11:11:44
Title: ATLAS22olj (AT2022kms): discovery of a transient object in NGC 0055 (2 Mpc)
Authors: K. W. Smith, S. Srivastav, D. R. Young, S. J. Smartt, J. ...
Source Group: ATLAS
,
2022-117
AstroNote 2022-1172022-05-25 07:08:34
Title: AT2022kms in NGC55, MeerLICHT detections
Authors: Paul Groot (Radboud, UCT, SAAO), Nadia Blagorodnova (Radb...
Source Group: MeerLICHT
Low Resolution SALT-RSS Spectroscopy of AT2022kms in NGC55 reveals a blue continuum with strong Balmer emission lines, similar to known Luminous Red Novae. The source is expected to further brighte...
AstroNote 2022-117
Type: Object/s-Data/Analysis
Released: 2022-05-25 07:20:05
AT2022kms in NGC55, MeerLICHT detections
Paul Groot (Radboud, UCT, SAAO), Nadia Blagorodnova (Radboud), Simon de Wet (UCT, SAAO)
Source Group: MeerLICHT
Keywords: Transient, Surveys, Optical, Time-domain
Related Objects:
2022kms
RA, DEC:00:15:14.669, -39:13:22.47
(3.811120, -39.222907)
Redshift:
Type:
See object 2022kms
MeerLICHT data on AT2022kms shows a first detection on 2021-11-24 at q=20.01+/-0.17 and a steady rise since.

Most Viewed

AstroNote 2022-145
Released: 2022-07-16
Views Count: 6156
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 ...
AstroNote 2023-136
Released: 2023-05-23
Views Count: 5635
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...
AstroNote 2023-119
Released: 2023-05-19
Views Count: 5119
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)
AstroNote 2020-100
Released: 2020-05-07
Views Count: 2707
Classification of SN 2020jfo (ZTF20aaynrrh) as a young Type II supernova
Daniel Perley (LJMU), Cristina Barbarino (Stockholm), Jesper Sollerman (Stockholm), Tassilo Schwe...
AstroNote 2020-89
Released: 2020-04-22
Views Count: 2393
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...
AstroNote 2023-265
Released: 2023-10-11
Views Count: 2387
SN 2023tyk: discovery to spectroscopic classification performed fully automatically
Nabeel Rehemtulla (NU), Adam Miller (NU), Christoffer Fremling (Caltech), D. A. Perley (LJMU), Yu...
AstroNote 2023-130
Released: 2023-05-22
Views Count: 2378
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...
AstroNote 2019-163
Released: 2019-12-31
Views Count: 2216
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...
AstroNote 2020-126
Released: 2020-06-25
Views Count: 2149
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...
AstroNote 2020-70
Released: 2020-03-30
Views Count: 2020
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

AstroNote 2024-280
Released: 2024-10-03
Views Count: 314
Keck Cosmic Web Imager host galaxy redshift of AT2024wpp
Daniel A. Perley (LJMU), Yu-Jing Qin (Caltech), R. Michael Rich (UCLA), Emanuele Daddi (CEA Saclay), Michelle Collins (Surrey),...
AstroNote 2024-172
Released: 2024-06-27
Views Count: 181
An Upcoming ZTF Experiment: Extended Deep-drilling Observations in the Galactic Plane
Zach Vanderbosch (Caltech), Paula Szkody (UW/Seattle), Tom Prince (Caltech), Eric Bellm (UW/Seattle), Ilaria Caiazzo (ISTA), An...