2025mp | Transient Name Server

RA/DEC (2000)

02:42:13.886 +01:24:49.25

40.5578595818 +1.4136792775

Type

SN Ia

Redshift

0.0425

Discovery Report Classification Report

Reporting Group

ATLAS

Discovering Data Source

ATLAS

Discovery Date

2025-01-15 07:47:41.856

TNS AT

Y

Public

Y

Discovery Mag

18.603

Filter

orange-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
	20258	2025-01-27 20:58:51	LT / SPRAT		Daniel Perley, Jacob Wise, K-Ryan Hinds, Aleksandra Bochenek, Zoe McGrath	Jacob Wise	ZTF	tns_2025mp_2025-01-27_20-58-51.490_LT_SPRAT_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

w-P1

PS2_GPC2

2025-01-17 05:16:20 - 2025-01-17 05:16:20

2460692.71968 - 2460692.71968

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
463246	2025-01-17 05:16:20	2460692.71968	18.46	0.06	22	ABMag	w-P1	PS2_GPC2	45	Robot

orange-ATLAS

ATLAS-STH_ATLAS-03

2025-01-13 20:01:19 - 2025-01-13 20:01:19

2460689.33425 - 2460689.33425

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
462318	2025-01-13 20:01:19	2460689.33425			18.39	ABMag	orange-ATLAS	ATLAS-STH_ATLAS-03	30	Robot	[Last non detection]

L-GOTO

GOTO-N_GOTO-1

2025-01-14 21:35:24 - 2025-01-17 21:18:35

2460690.399576 - 2460693.387911

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
462804	2025-01-17 21:18:35	2460693.387911	18.61	0.09		ABMag	L-GOTO	GOTO-N_GOTO-1	180
462803	2025-01-14 21:35:24	2460690.399576			18.9	ABMag	L-GOTO	GOTO-N_GOTO-1	180		[Last non detection]

BG-q-BlackGem

BG3_BlackGEM-Cam3

2025-01-11 01:33:25 - 2025-01-11 01:33:25

2460686.5648727 - 2460686.5648727

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
462849	2025-01-11 01:33:25	2460686.5648727			19.6	ABMag	BG-q-BlackGem	BG3_BlackGEM-Cam3	60	robotic	[Last non detection]

BG-q-BlackGem

BG2_BlackGEM-Cam2

2025-01-17 01:12:16 - 2025-01-17 01:12:16

2460692.5501852 - 2460692.5501852

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
462850	2025-01-17 01:12:16	2460692.5501852	18.8	0.08	21.04	ABMag	BG-q-BlackGem	BG2_BlackGEM-Cam2	60	robotic

r-ZTF

P48_ZTF-Cam

2025-01-14 03:59:39 - 2025-01-14 03:59:39

2460689.6664236 - 2460689.6664236

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
462345	2025-01-14 03:59:39	2460689.6664236			19.1967	ABMag	r-ZTF	P48_ZTF-Cam			[Last non detection]

g-ZTF

P48_ZTF-Cam

2025-01-14 04:08:35 - 2025-01-16 04:09:17

2460689.6726273 - 2460691.6731134

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
462347	2025-01-16 04:09:17	2460691.6731134	18.5189	0.0949538		ABMag	g-ZTF	P48_ZTF-Cam
462346	2025-01-14 04:08:35	2460689.6726273	18.884	0.202837		ABMag	g-ZTF	P48_ZTF-Cam

orange-ATLAS

ATLAS-MLO_ATLAS-01

2025-01-15 07:47:42 - 2025-01-15 07:47:42

2460690.82479 - 2460690.82479

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
462319	2025-01-15 07:47:42	2460690.82479	18.603	0.175	18.84	ABMag	orange-ATLAS	ATLAS-MLO_ATLAS-01	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

Bibcode

Unreal

Auto classification

241613

2025-01-19 18:13:41

PS1_Bot1

K. C. Chambers,T. de Boer,J. Fairlamb et al.

Pan-STARRS

Pan-STARRS

02:42:13.886

+01:24:49.25

2025-01-17 05:16:20.352

18.46

w-P1

PSN

PS25fy

Pan-STARRS

N

241354

2025-01-18 12:01:09

BlackGEM_Bot1

P. Groot,H. Tranin,F. Stoppa et al.

BlackGEM

BlackGEM

02:42:13.871

+01:24:49.36

2025-01-17 01:12:16.000

18.8

BG-q-BlackGem

1

PSN

BGEM J024213.87+012449.3

BlackGEM

N

Related files

File	Comments	Last Modified (UT)	Modified By
tns_2025mp_atrep_241354_BlackGEM.pdf	Finding Chart	2025-01-18 12:01:11	BlackGEM_Bot1

241336

2025-01-18 08:19:32

GOTO_bot

A. Kumar,G. Ramsay,K. Ackley et al.

GOTO

GOTO

02:42:13.924

+01:24:49.27

2025-01-17 21:18:35.424

18.61

L-GOTO

Other

GOTO25jd

GOTO

N

241137

2025-01-16 05:19:38

Fritz

Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al.

ZTF

ZTF

02:42:13.876

+01:24:49.26

2025-01-14 04:08:34.998

18.884

g-ZTF

PSN

ZTF25aabvhns

ZTF

N

241123

2025-01-15 15:37:40

ATLAS_Bot1

J. Tonry,L. Denneau,H. Weiland et al.

ATLAS

ATLAS

02:42:13.818

+01:24:49.94

2025-01-15 07:47:41.856

18.603

orange-ATLAS

PSN

ATLAS25ako

ATLAS

2025TNSTR.191....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

20258

2025-01-27 23:34:26

Jacob Wise

Jacob Wise (LJMU), Daniel Perley (LJMU), K-Ryan Hinds (LJMU), Aleksandra Bochenek (LJMU), Zoe McGrath (LJMU)

ZTF

SN Ia

0.0425

1

ZTF

Spectrum is well-fit by template spectra from previously classified SN Ia. Redshift of z = 0.0425 found using host host H-alpha emission. Classification performed using Next Generation Superfit (NGSF, Goldwasser et al. 2022).

2025TNSCR.379....1W

Related files

File	Comments	Last Modified (UT)	Modified By
tns_2025mp_atrep_20258_ZTF.pdf	NGSF fits	2025-01-27 23:34:26	Jacob Wise

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
20258	2025-01-27 20:58:51	LT / SPRAT		Daniel Perley, Jacob Wise, K-Ryan Hinds, Aleksandra Bochenek, Zoe McGrath	Jacob Wise	ZTF	tns_2025mp_2025-01-27_20-58-51.490_LT_SPRAT_ZTF.ascii		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 241613 of Group Pan-STARRS
Previous RA, DEC: 02:42:13.876, +01:24:49.26 (40.5578187, +1.4136824)
Updated RA, DEC: 02:42:13.886, +01:24:49.25 (40.5578595818, 1.4136792775)

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Object coordinates updated

Object coordinates updated according to AT-report 241137 of Group ZTF
Previous RA, DEC: 02:42:13.818, +01:24:49.94 (40.55757375, +1.41387125)
Updated RA, DEC: 02:42:13.876, +01:24:49.26 (40.5578187, 1.4136824)

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