Showing results 1 to 4 out of 4
AstroNote 2024-104
Type: Object/s-Discovery/Classification
Released: 2024-04-11 15:54:49
LJT spectroscopic classification of AT 2024ggi as a young Type II supernova with flash features
Qian Zhai, Liping Li, Zhenyu Wang, Jujia Zhang (YNAO); Xiaofeng Wang (THU)
Source Group: LiONS
Keywords: Supernova
Related Objects:
2024ggi
RA, DEC:11:18:22.087, -32:50:15.27
(169.592031, -32.837576)
Redshift:0.002435
Type:SN II
See object 2024ggi
We report the LJT classification of the nearby transient AT 2024ggi in NGC 3621 as a young type II SN with flash features and a rapidly rising light curve.
AstroNote 2023-76
Type: Object/s-Discovery/Classification
Released: 2023-04-09 14:45:09
LJT spectroscopic classification of two young Type Ia supernovae
Qian Zhai, Yongzhi Cai, Jujia Zhang (YNAO); Liping Li (YNU); Xiaofeng Wang (THU)
Source Group: LiONS
Keywords: Supernova
Related Objects:
2023erk
RA, DEC:07:38:19.666, +42:06:13.45
(114.581944, 42.103737)
Redshift:0.066
Type:SN Ia
See object 2023erk
,
2023epj
RA, DEC:12:59:53.720, +26:49:09.99
(194.973833, 26.819443)
Redshift:0.0267
Type:SN Ia
See object 2023epj
LJT spectroscopic classification of SN 2023erk and SN 2023epj as young type Ia supernovae
AstroNote 2022-246
Type: Object/s-Discovery/Classification
Released: 2022-11-19 09:36:37
LJT spectroscopic classification of AT 2022aanf as a young Type Ia supernova
Qian Zhai, Jujia Zhang (YNAO); Liping Li (YNU); Xiaofeng Wang (THU)
Source Group: LiONS
Keywords: Spectroscopy, Supernova, Transient, Optical
Related Objects:
2022aanf
RA, DEC:04:09:09.625, +17:06:59.05
(62.290102, 17.116402)
Redshift:0.024
Type:SN Ia
See object 2022aanf
AstroNote 2022-227
Type: Object/s-Discovery/Classification
Released: 2022-10-30 23:11:11
LJT spectroscopic classification of AT 2022yvw as a young Type IIb supernova
Qian Zhai, Jujia Zhang (YNAO); Wenxiong Li (TAU); Xiaofeng Wang (THU)
Source Group: LiONS
Keywords: Supernova, Spectroscopy, Optical
Related Objects:
2022yvw
RA, DEC:03:33:45.280, -19:29:29.81
(53.438668, -19.491614)
Redshift:0.0065
Type:SN IIb
See object 2022yvw
The spectrum obtained by LJT matches a young type IIb supernova once the contamination of the Host HII region is removed.

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