2025mya | Transient Name Server

RA/DEC (2000)

14:16:52.275 -36:29:31.97

214.217813 -36.492213

Type

SN Ia

Redshift

0.027

Discovery Report Classification Report

Related AstroNotes: 2025-177

Reporting Group

GOTO

Discovering Data Source

GOTO

Discovery Date

2025-05-25 08:10:04.512

TNS AT

Public

Discovery Mag

18.62

Filter

L-GOTO

Reporter/s

D. O'Neill, K. Ackley, M. Dyer, J. Lyman, K. Ulaczyk, D. Steeghs, D. Galloway, V. Dhillon, P. O'Brien, G. Ramsay, K. Noysena, R. Kotak, R. Breton, J. Casares, L. Nuttall, B. Godson, T. Killestein, A. Kumar, M. Pursiainen, on behalf of GOTO collaboration

NED SIMBAD DECaLS PanSTARRS-1 SkyMapper VizieR WISE DSS ADS

Light curves

▌

GOTO-S_GOTO-4_L

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
	21265	2025-06-09 08:42:50	UH88 / SNIFS	1200	Hinkle		SCAT	tns_2025mya_2025-06-09_08-42-50_UH88_SNIFS_SCAT.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 Remarks
	21271	2025-06-05 04:27:41	Magellan-Clay / LDSS-3		Emilio Hueichapan	Regis Cartier	None	tns_2025mya_2025-06-05_04-27-41_Magellan-Clay_LDSS-3_None.txt	tns_2025mya_2025-06-05_04-27-41_Magellan-Clay_LDSS-3_None.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-4

2025-05-23 08:11:09 - 2025-05-25 08:10:05

2460818.841084 - 2460820.840335

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
493740	2025-05-25 08:10:05	2460820.840335	18.62	0.1		ABMag	L-GOTO	GOTO-S_GOTO-4	180
493739	2025-05-23 08:11:09	2460818.841084			19.2	ABMag	L-GOTO	GOTO-S_GOTO-4	180		[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
257814	2025-06-05 10:18:18	GOTO_bot	D. O'Neill,K. Ackley,M. Dyer et al.	GOTO	GOTO	14:16:52.275	-36:29:31.97	2025-05-25 08:10:04.512	18.62	L-GOTO		Other		GOTO25dim	GOTO			2025TNSTR2104....1O	N

Classification Reports

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

21271

2025-06-09 17:46:20

Emilio Hueichapan

Emilio Hueichapan (UDP), Regis Cartier (UA), José Prieto (UDP)

None

SN Ia

0.027

2025TNSCR2163....1H

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
21271	2025-06-05 04:27:41	Magellan-Clay / LDSS-3		Emilio Hueichapan	Regis Cartier	None	tns_2025mya_2025-06-05_04-27-41_Magellan-Clay_LDSS-3_None.txt	tns_2025mya_2025-06-05_04-27-41_Magellan-Clay_LDSS-3_None.fits	Object

21265

2025-06-09 09:27:36

Jason Hinkle

Jason Hinkle (UH/IfA) on behalf of SCAT

SCAT

SN Ia

0.03

Add

SCAT

Type and redshift estimate from template cross-correlation with SNID (Blondin & Tonry 2007).

2025TNSCR2164....1H

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
21265	2025-06-09 08:42:50	UH88 / SNIFS	1200	Hinkle		SCAT	tns_2025mya_2025-06-09_08-42-50_UH88_SNIFS_SCAT.dat		Object

SN 2025mya

Spectra

Light curves

Comments