2025ata | Transient Name Server

RA/DEC (2000)

11:14:29.246 -08:40:29.73

168.621858 -8.6749253

Type

SN Ia-91T-like

Redshift

0.1

Discovery Report Classification Report

Related AstroNotes: 2025-47

Reporting Group

ATLAS

Discovering Data Source

ATLAS

Discovery Date

2025-02-02 12:14:48.192

TNS AT

Y

Public

Y

Discovery Mag

19.51

Filter

cyan-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), 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 (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
	20319	2025-02-05 06:31:58	ESO-NTT / EFOSC2-NTT	1799	J. Gillanders, D. Magill	M. D. Fulton, S. Srivastav	ePESSTO+	tns_2025ata_2025-02-05_06-31-58_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci	tns_2025ata_2025-02-05_06-31-58_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits	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

L-GOTO

GOTO-S_GOTO-3

2025-01-29 13:27:01 - 2025-01-29 13:27:01

2460705.060435 - 2460705.060435

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
466837	2025-01-29 13:27:01	2460705.060435			19.2	ABMag	L-GOTO	GOTO-S_GOTO-3	135		[Last non detection]

cyan-ATLAS

ATLAS-CHL_ATLAS-04

2025-02-01 04:13:43 - 2025-02-01 04:13:43

2460707.67619 - 2460707.67619

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
466512	2025-02-01 04:13:43	2460707.67619			19.3	ABMag	cyan-ATLAS	ATLAS-CHL_ATLAS-04	30	Robot	[Last non detection]

L-GOTO

GOTO-N_GOTO-1

2025-02-04 01:31:52 - 2025-02-04 01:31:52

2460710.563805 - 2460710.563805

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
466838	2025-02-04 01:31:52	2460710.563805	19.22	0.15		ABMag	L-GOTO	GOTO-N_GOTO-1	180

r-ZTF

P48_ZTF-Cam

2025-02-09 09:14:17 - 2025-02-11 08:03:55

2460715.884919 - 2460717.8360532

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
469720	2025-02-11 08:03:55	2460717.8360532	18.9977	0.227923		ABMag	r-ZTF	P48_ZTF-Cam
469719	2025-02-09 09:14:17	2460715.884919			16.4675	ABMag	r-ZTF	P48_ZTF-Cam			[Last non detection]

g-ZTF

P48_ZTF-Cam

2025-02-19 09:49:18 - 2025-02-19 09:49:18

2460725.9092361 - 2460725.9092361

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
469721	2025-02-19 09:49:18	2460725.9092361	19.4648	0.177408		ABMag	g-ZTF	P48_ZTF-Cam

cyan-ATLAS

ATLAS-HKO_ATLAS-02

2025-02-02 12:14:48 - 2025-02-02 12:14:48

2460709.01028 - 2460709.01028

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
466513	2025-02-02 12:14:48	2460709.01028	19.51	0.199	19.6	ABMag	cyan-ATLAS	ATLAS-HKO_ATLAS-02	30	Robot

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
245013	2025-02-19 11:29:23	Fritz	Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al.	ZTF	ZTF	11:14:29.246	-08:40:29.73	2025-02-11 08:03:54.996	18.9977	r-ZTF		PSN		ZTF25aagaxca	ZTF				N
243433	2025-02-04 07:43:13	GOTO_bot	D. O'Neill,G. Ramsay,K. Ackley et al.	GOTO	GOTO	11:14:29.234	-08:40:30.05	2025-02-04 01:31:52.320	19.22	L-GOTO		Other		GOTO25aaj	GOTO				N
243323	2025-02-03 11:08:19	ATLAS_Bot1	J. Tonry,L. Denneau,H. Weiland et al.	ATLAS	ATLAS	11:14:29.247	-08:40:29.49	2025-02-02 12:14:48.192	19.51	cyan-ATLAS		PSN		ATLAS25bgi	ATLAS			2025TNSTR.457....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

20319

2025-02-05 16:27:02

ePESSTOplus_Bot1

J. Gillanders, D. Magill, M. D. Fulton, S. Srivastav, A. Horowicz on behalf of ePESSTO+

ePESSTO+

SN Ia-91T-like

0.1

1

ePESSTO+

2025TNSCR.503....1G

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
20319	2025-02-05 06:31:58	ESO-NTT / EFOSC2-NTT	1799	J. Gillanders, D. Magill	M. D. Fulton, S. Srivastav	ePESSTO+	tns_2025ata_2025-02-05_06-31-58_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci	tns_2025ata_2025-02-05_06-31-58_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits	Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 245013 of Group ZTF
Previous RA, DEC: 11:14:29.247, -08:40:29.49 (168.621864, -8.67485733333)
Updated RA, DEC: 11:14:29.246, -08:40:29.73 (168.621858, -8.6749253)

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