2026G | Transient Name Server

RA/DEC (2000)

16:13:10.196 +22:57:07.40

243.2924821 +22.9520562

Type

SN Ia

Redshift

0.0321

Discovery Report Classification Report

Reporting Group

ATLAS

Discovering Data Source

ATLAS

Discovery Date

2026-01-02 15:44:22.848

TNS AT

Y

Public

Y

Host Name

PGC092998

Comments

[Object cross-matched with PGC092998]

Discovery Mag

17.08

Filter

orange-ATLAS

Reporter/s

J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii), N. Erasmus, W. Koorts (South African Astronomical Observatory), A. Jordan, V. Suc (UAI, Obstech), M. R. Alarcón, J. Licandro, P. Nichita (IAC), S. J. Smartt, K. W. Smith (Oxford/QUB), D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng, C. R. Angus, A. Wilson, A. Aamer, D. Magill, P. J. Broda, A. J. Smith (QUB), P. Ramsden (Birmingham/QUB), L. Shingles (GSI/QUB), S. Srivastav, J. H. Gillanders, H. Stevance, A. J. Cooper, F. Stoppa, J. Tweddle, L. Eastman (Oxford), L. Rhodes (TSI/McGill), A. Rest (STScI), T.-W. Chen (NCU), C. Stubbs (Harvard), J. S. Sommer (LMU), B. P. Schmidt (ANU)

NED SIMBAD DECaLS PanSTARRS-1 SkyMapper VizieR WISE DSS ADS

Light curves

Pointer position (MJD, Mag, Abs.Mag): (0.00, 0.00, 0.00)

Spectra

Select	ID	Obs-date (UT)	Tel / Inst	Exp-Time	Observer/s	Reducer/s	Group	Spectrum ascii file	Spectrum fits file	Spec. Type	Assoc. Groups	End prop. period	Remarks
	22732	2026-01-04 22:46:32	Lijiang-2.4m / YFOSC		Jujia Zhang		LiONS	tns_2026G_2026-01-04_22-46-31.518_Lijiang-2.4m_YFOSC_LiONS.dat		Object
Binning factor: (rounded to nearest integer >1) Mouse hovers at WL: 0 (rest), 0 (observed) ▌Show H at z=v_exp= km/s ▌Show He at z=v_exp= km/s ▌Show He II at z=v_exp= km/s ▌Show C II at z=v_exp= km/s ▌Show C III at z=v_exp= km/s ▌Show C IV at z=v_exp= km/s ▌Show N II at z=v_exp= km/s ▌Show N III at z=v_exp= km/s ▌Show N IV at z=v_exp= km/s ▌Show N V at z=v_exp= km/s ▌Show O at z=v_exp= km/s ▌Show [O I] at z=v_exp= km/s ▌Show O II at z=v_exp= km/s ▌Show [O II] at z=v_exp= km/s ▌Show [O III] at z=v_exp= km/s ▌Show O V at z=v_exp= km/s ▌Show O VI at z=v_exp= km/s ▌Show Na at z=v_exp= km/s ▌Show Mg at z=v_exp= km/s ▌Show Mg II at z=v_exp= km/s ▌Show Si II at z=v_exp= km/s ▌Show S II at z=v_exp= km/s ▌Show Ca II at z=v_exp= km/s ▌Show [Ca II] at z=v_exp= km/s ▌Show Fe II at z=v_exp= km/s ▌Show Fe III at z=v_exp= km/s ▌Show Å at z=v_exp= km/s ▌Show Å at z=v_exp= km/s ▌Show Å at z=v_exp= km/s ▌Show Å at z=v_exp= km/s ▌Show Tellurics ▌Show Galaxy lines at z= ▌Show WR-WN at z=v_exp= km/s ▌Show WR-WC/O at z=v_exp= km/s z-step: v-step: Remarks
	22726	2026-01-03 04:47:00	BL41 / FOSC-E5535	3000	Claudio Balcon	Claudio Balcon	None	tns_2026G_2026-01-03_04-47-00_BL41_FOSC-E5535_None.dat	tns_2026G_2026-01-03_04-47-00_BL41_FOSC-E5535_None.fit	Object
Binning factor: (rounded to nearest integer >1) Mouse hovers at WL: 0 (rest), 0 (observed) ▌Show H at z=v_exp= km/s ▌Show He at z=v_exp= km/s ▌Show He II at z=v_exp= km/s ▌Show C II at z=v_exp= km/s ▌Show C III at z=v_exp= km/s ▌Show C IV at z=v_exp= km/s ▌Show N II at z=v_exp= km/s ▌Show N III at z=v_exp= km/s ▌Show N IV at z=v_exp= km/s ▌Show N V at z=v_exp= km/s ▌Show O at z=v_exp= km/s ▌Show [O I] at z=v_exp= km/s ▌Show O II at z=v_exp= km/s ▌Show [O II] at z=v_exp= km/s ▌Show [O III] at z=v_exp= km/s ▌Show O V at z=v_exp= km/s ▌Show O VI at z=v_exp= km/s ▌Show Na at z=v_exp= km/s ▌Show Mg at z=v_exp= km/s ▌Show Mg II at z=v_exp= km/s ▌Show Si II at z=v_exp= km/s ▌Show S II at z=v_exp= km/s ▌Show Ca II at z=v_exp= km/s ▌Show [Ca II] at z=v_exp= km/s ▌Show Fe II at z=v_exp= km/s ▌Show Fe III at z=v_exp= km/s ▌Show Å at z=v_exp= km/s ▌Show Å at z=v_exp= km/s ▌Show Å at z=v_exp= km/s ▌Show Å at z=v_exp= km/s ▌Show Tellurics ▌Show Galaxy lines at z= ▌Show WR-WN at z=v_exp= km/s ▌Show WR-WC/O at z=v_exp= km/s z-step: v-step: Remarks

Light Curves

Filter

Tel / Inst

Obs-date range

JD Range

Photometry

g-WFST

WFST_WFST-WFC

2026-03-26 18:02:53 - 2026-03-26 18:02:53

2461126.252 - 2461126.252

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
573981	2026-03-26 18:02:53	2461126.252	20.59	0.13		ABMag	g-WFST	WFST_WFST-WFC	30

L-GOTO

GOTO-N_GOTO-2

2025-10-08 20:18:02 - 2026-01-26 06:51:03

2460957.345859 - 2461066.785445

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
553948	2026-01-26 06:51:03	2461066.785445	18.54	0.05		ABMag	L-GOTO	GOTO-N_GOTO-2	180
553947	2025-10-08 20:18:02	2460957.345859			19.7	ABMag	L-GOTO	GOTO-N_GOTO-2	360		[Last non detection]

BG-q-BlackGem

BG4_BlackGEM-Cam4

2025-04-22 05:59:15 - 2026-03-10 09:21:01

2460787.7494792 - 2461109.8895949

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
565473	2026-03-10 09:21:01	2461109.8895949	20.18	0.18	20.47	ABMag	BG-q-BlackGem	BG4_BlackGEM-Cam4	60	robotic
565472	2025-04-22 05:59:15	2460787.7494792			20.68	ABMag	BG-q-BlackGem	BG4_BlackGEM-Cam4	60	robotic	[Last non detection]

r-ZTF

P48_ZTF-Cam

2026-01-09 12:39:23 - 2026-01-09 12:39:23

2461050.0273495 - 2461050.0273495

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
547924	2026-01-09 12:39:23	2461050.0273495	17.2497	0.0528589		ABMag	r-ZTF	P48_ZTF-Cam

g-ZTF

P48_ZTF-Cam

2025-12-28 12:09:52 - 2025-12-28 12:09:52

2461038.0068519 - 2461038.0068519

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
547923	2025-12-28 12:09:52	2461038.0068519	17.2085	0.172345		ABMag	g-ZTF	P48_ZTF-Cam

orange-ATLAS

ATLAS-MLO_ATLAS-01

2026-01-02 15:44:23 - 2026-01-02 15:44:23

2461043.15582 - 2461043.15582

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
547012	2026-01-02 15:44:23	2461043.15582	17.08	0.054	18.65	ABMag	orange-ATLAS	ATLAS-MLO_ATLAS-01	30	Robot

orange-ATLAS

ATLAS-HKO_ATLAS-02

2025-10-17 05:17:40 - 2025-10-17 05:17:40

2460965.7206 - 2460965.7206

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
547011	2025-10-17 05:17:40	2460965.7206			18.59	ABMag	orange-ATLAS	ATLAS-HKO_ATLAS-02	30	Robot	[Last non detection]

AT Reports

ID	Time received (UT)	Sender	Reporter/s	Reporting group	Disc. Data Source	RA	DEC	Discovery date (UT)	Discovery Mag.	Filter	Related files	AT Type	Host name	Internal name	Assoc. Groups	End prop. period	Remarks	ADS Bibcode	Unreal	Auto classification
299445	2026-04-09 13:26:50	WFST_SN	Zelin Xu, Dezheng Meng, Ji-an Jiang et al.	WFST	WFST	16:13:10.210	+22:57:07.36	2026-03-26 18:02:52.800	20.59	g-WFST		PSN		WFST260326evbu	WFST				N
294833	2026-03-17 15:19:02	BlackGEM_Bot1	S. Faris, H. Tranin, F. Stoppa et al.	BlackGEM	BlackGEM	16:13:10.188	+22:57:07.63	2026-03-10 09:21:01.000	20.18	BG-q-BlackGem		PSN		BGEM J161310.19+225707.6	BlackGEM				N
288988	2026-01-26 09:03:05	GOTO_bot	D. O'Neill, K. Ackley, M. Dyer et al.	GOTO	GOTO	16:13:10.206	+22:57:07.57	2026-01-26 06:51:02.880	18.54	L-GOTO		Other		GOTO26aeg	GOTO				N
286182	2026-01-09 13:02:51	Fritz	Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al.	ZTF	ZTF	16:13:10.196	+22:57:07.40	2025-12-28 12:09:52.004	17.2085	g-ZTF		PSN		ZTF26aaadpbg	ZTF				N
285684	2026-01-02 18:27:51	ATLAS_Bot1	J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al.	ATLAS	ATLAS	16:13:10.230	+22:57:07.51	2026-01-02 15:44:22.848	17.08	orange-ATLAS		PSN		ATLAS26aaj	ATLAS			2026TNSTR...6....1T	N

Classification Reports

ID

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

22731

2026-01-05 03:17:15

Liping Li

Liping Li, Zeyi Wang, Qian Zhai, Bo Wang, Jujia Zhang (YNAO); Xiaofeng Wang(THU)

LiONS

SN Ia

1

LiONS

The spectrum matches that of an SN Ia at a week after maximum (e.g., SN 1994M at +7 days via SNID).

2026TNSCR..37....1L

Spectra

ID	Obs-date (UT)	Tel / Inst	Exp-Time	Observer/s	Reducer/s	Group	Spectrum ascii file	Spectrum fits file	Spec. Type	Assoc. Groups	End prop. period	Remarks
22732	2026-01-04 22:46:32	Lijiang-2.4m / YFOSC		Jujia Zhang		LiONS	tns_2026G_2026-01-04_22-46-31.518_Lijiang-2.4m_YFOSC_LiONS.dat		Object

22725

2026-01-03 05:45:08

Claudio Balcon

Claudio Balcon (Belluno A.O. ISSP)

None

SN Ia

0.0321

1

GELATO Harutyunyan et al., 2008, A&A, 488, 383 (gelato@tng.iac.es) suggests that this spectrum resembles that of a type Ia supernova at the redshift of the host galaxy, value from NED.

2026TNSCR..23....1B

Spectra

ID	Obs-date (UT)	Tel / Inst	Exp-Time	Observer/s	Reducer/s	Group	Spectrum ascii file	Spectrum fits file	Spec. Type	Assoc. Groups	End prop. period	Remarks
22726	2026-01-03 04:47:00	BL41 / FOSC-E5535	3000	Claudio Balcon	Claudio Balcon	None	tns_2026G_2026-01-03_04-47-00_BL41_FOSC-E5535_None.dat	tns_2026G_2026-01-03_04-47-00_BL41_FOSC-E5535_None.fit	Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 286182 of Group ZTF
Previous RA, DEC: 16:13:10.230, +22:57:07.51 (243.292626364, +22.9520854545)
Updated RA, DEC: 16:13:10.196, +22:57:07.40 (243.2924821, +22.9520562)

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