2025tge | Transient Name Server

RA/DEC (2000)

01:45:37.767 -04:34:31.78

26.4073638 -4.575495

Type

SN Ia

Redshift

0.068

Discovery Report Classification Report

Reporting Group

ATLAS

Discovering Data Source

ATLAS

Discovery Date

2025-08-05 02:51:31.968

TNS AT

Y

Public

Y

Discovery Mag

18.745

Filter

wide-ATLAS

Reporter/s

J. Tonry, L. Denneau, H. Weiland, R. Siverd (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 (QUB), P. Ramsden (Birmingham/QUB), L. Shingles (GSI/QUB), S. Srivastav, J. H. Gillanders, H. Stevance, A. J. Cooper, F. Stoppa, J. Tweddle (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
	21721	2025-08-08 10:33:19	P60 / SEDM	2700	SEDmRobot	auto	ZTF	tns_2025tge_2025-08-08_10-33-19.047372_P60_SEDM_ZTF.ascii		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 Remarks

Light Curves

Filter

Tel / Inst

Obs-date range

JD Range

Photometry

wide-ATLAS

ATLAS-TDO_ATLAS-05

2025-08-05 02:51:32 - 2025-08-05 02:51:32

2460892.61912 - 2460892.61912

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
507497	2025-08-05 02:51:32	2460892.61912	18.745	0.093	19.57	ABMag	wide-ATLAS	ATLAS-TDO_ATLAS-05	30	Robot

L-GOTO

GOTO-S_GOTO-4

2025-07-13 17:20:10 - 2025-07-13 17:20:10

2460870.222338 - 2460870.222338

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
508296	2025-07-13 17:20:10	2460870.222338			19.1	ABMag	L-GOTO	GOTO-S_GOTO-4	180		[Last non detection]

L-GOTO

GOTO-N_GOTO-2

2025-08-06 03:46:13 - 2025-08-06 03:46:13

2460893.657088 - 2460893.657088

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
508297	2025-08-06 03:46:13	2460893.657088	18.57	0.12		ABMag	L-GOTO	GOTO-N_GOTO-2	180

orange-ATLAS

ATLAS-CHL_ATLAS-04

2025-08-04 06:57:00 - 2025-08-04 06:57:00

2460891.78958 - 2460891.78958

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
507496	2025-08-04 06:57:00	2460891.78958			15.65	ABMag	orange-ATLAS	ATLAS-CHL_ATLAS-04	30	Robot	[Last non detection]

BG-q-BlackGem

BG4_BlackGEM-Cam4

2025-08-26 05:58:42 - 2025-08-26 05:58:42

2460913.7490972 - 2460913.7490972

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
512997	2025-08-26 05:58:42	2460913.7490972	18.45	0.04	20.84	ABMag	BG-q-BlackGem	BG4_BlackGEM-Cam4	60	robotic

BG-q-BlackGem

BG3_BlackGEM-Cam3

2025-08-12 08:48:32 - 2025-08-12 08:48:32

2460899.867037 - 2460899.867037

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
512996	2025-08-12 08:48:32	2460899.867037			19.17	ABMag	BG-q-BlackGem	BG3_BlackGEM-Cam3	60	robotic	[Last non detection]

r-ZTF

P48_ZTF-Cam

2025-07-29 10:21:03 - 2025-08-08 09:26:27

2460885.9312847 - 2460895.8933681

3

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
507816	2025-08-08 09:26:27	2460895.8933681	18.2408	0.0648646		ABMag	r-ZTF	P48_ZTF-Cam
507815	2025-08-02 10:19:46	2460889.9303935	19.5836	0.0835495		ABMag	r-ZTF	P48_ZTF-Cam
507814	2025-07-29 10:21:03	2460885.9312847			20.3979	ABMag	r-ZTF	P48_ZTF-Cam			[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
267970	2025-08-28 07:54:02	BlackGEM_Bot1	G. Ramsay, H. Tranin, F. Stoppa et al.	BlackGEM	BlackGEM	01:45:37.798	-04:34:31.53	2025-08-26 05:58:42.000	18.45	BG-q-BlackGem		PSN		BGEM J014537.80-043431.5	BlackGEM				N
265578	2025-08-12 19:34:17	GOTO_bot	D. O'Neill, K. Ackley, M. Dyer et al.	GOTO	GOTO	01:45:37.741	-04:34:31.67	2025-08-06 03:46:12.576	18.57	L-GOTO		Other		GOTO25fry	GOTO				N
265233	2025-08-08 10:09:26	Fritz	Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al.	ZTF	ZTF	01:45:37.767	-04:34:31.78	2025-08-02 10:19:45.998	19.5836	r-ZTF		PSN		ZTF25abgvcjh	ZTF				N
265067	2025-08-05 09:18:18	ATLAS_Bot1	J. Tonry, L. Denneau, H. Weiland et al.	ATLAS	ATLAS	01:45:37.760	-04:34:31.52	2025-08-05 02:51:31.968	18.745	wide-ATLAS		PSN		ATLAS25jbq	ATLAS			2025TNSTR3076....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

21721

2025-08-08 11:25:58

ZTF_Bot1

C. Fremling, D. Neill, Y. Sharma on behalf of the SEDM Team (Caltech) and the Zwicky Transient Facility (ZTF) based on SNIascore

ZTF

SN Ia

0.068

1

ZTF

2025TNSCR3121....1F

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
21721	2025-08-08 10:33:19	P60 / SEDM	2700	SEDmRobot	auto	ZTF	tns_2025tge_2025-08-08_10-33-19.047372_P60_SEDM_ZTF.ascii		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 265233 of Group ZTF
Previous RA, DEC: 01:45:37.760, -04:34:31.52 (26.4073328571, -4.57542142857)
Updated RA, DEC: 01:45:37.767, -04:34:31.78 (26.4073638, -4.575495)

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