2025gx | Transient Name Server

RA/DEC (2000)

10:45:38.073 +39:03:07.71

161.408637676 +39.0521407445

Type

SN Ia

Redshift

0.1

Discovery Report Classification Report

Reporting Group

YSE

Discovering Data Source

Pan-STARRS

Discovery Date

2025-01-07 12:51:12.384

TNS AT

Y

Public

Y

Discovery Mag

19.41

Filter

g-P1

Reporter/s

D. O. Jones (UC Santa Cruz), K. D. French (Carnegie, Illinois), A. Agnello, C. R. Angus, Z. Ansari, N. Arendse, C. Gall, C. Grillo, S. H. Bruun, C. Hede, J. Hjorth, L. Izzo, H. Korhonen, S. Raimundo, D. Kodi Ramanah, A. Sarangi, R. Wojtak, H. Pfister (DARK, U Copenhagen), K. Auchettl (DARK, UC Santa Cruz, U Melbourne), K. C. Chambers, M. E. Huber, E. A. Magnier, T. J. L. de Boer, J. R. Fairlamb, C. C. Lin, R. J. Wainscoat, T. Lowe, H. Gao, A. S. B. Schultz, P. Minguez (IfA, Hawaii), A. Engel, A. Gagliano, G. Narayan, M. Soraisam (Illinois), Q. Wang (JHU), A. Rest (JHU, STScI), S. J. Smartt, K. W. Smith (Queen's University Belfast), K. Alexander, P. Blanchard, L. DeMarchi, A. Hajela, W. Jacobson-Galan, R. Margutti, D. Matthews, C. Stauffer, M. Stroh, G. Terreran (Northwestern), M. Drout (U Toronto), D. A. Coulter, G. Dimitriadis, R. J. Foley, T. Hung, C. D. Kilpatrick, C. Rojas-Bravo, M. R. Siebert (UC Santa Cruz), E. Ramirez-Ruiz (UC Santa Cruz, DARK)

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
	20203	2025-01-19 00:00:00	UH88 / SNIFS		C. Angus		SCAT	tns_2025gx_2025-01-19_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

Light Curves

Filter

Tel / Inst

Obs-date range

JD Range

Photometry

Clear-

LAST_LAST-Cam

2024-03-05 21:41:44 - 2025-01-24 02:32:13

2460375.40398 - 2460699.60571

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
465131	2025-01-24 02:32:13	2460699.60571	19.48			ABMag	Clear-	LAST_LAST-Cam	400
465130	2024-03-05 21:41:44	2460375.40398			21.12	ABMag	Clear-	LAST_LAST-Cam	400		[Last non detection]

z-P1

PS2_GPC2

2025-01-04 15:58:27 - 2025-01-04 15:58:27

2460680.16559 - 2460680.16559

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
467220	2025-01-04 15:58:27	2460680.16559	21.02	0.32	20.4	ABMag	z-P1	PS2_GPC2	120	Robot

g-P1

PS2_GPC2

2025-01-07 12:51:12 - 2025-01-07 12:51:12

2460683.03556 - 2460683.03556

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
461673	2025-01-07 12:51:12	2460683.03556	19.41	0.11	21	ABMag	g-P1	PS2_GPC2	27	Robot

L-GOTO

GOTO-N_GOTO-1

2024-12-29 01:45:12 - 2025-01-15 04:47:45

2460673.573047 - 2460690.699831

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
463413	2025-01-15 04:47:45	2460690.699831	18.5	0.18		ABMag	L-GOTO	GOTO-N_GOTO-1	180
463412	2024-12-29 01:45:12	2460673.573047			19.2	ABMag	L-GOTO	GOTO-N_GOTO-1	180		[Last non detection]

i-ZTF

P48_ZTF-Cam

2025-01-02 11:26:29 - 2025-01-02 11:26:29

2460677.9767245 - 2460677.9767245

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
461718	2025-01-02 11:26:29	2460677.9767245			19.8597	ABMag	i-ZTF	P48_ZTF-Cam			[Last non detection]

g-ZTF

P48_ZTF-Cam

2025-01-02 12:39:02 - 2025-01-09 06:18:13

2460678.0271065 - 2460684.7626505

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
461720	2025-01-09 06:18:13	2460684.7626505	19.2245	0.212994		ABMag	g-ZTF	P48_ZTF-Cam
461719	2025-01-02 12:39:02	2460678.0271065	21.0193	0.350966		ABMag	g-ZTF	P48_ZTF-Cam

orange-ATLAS

ATLAS-HKO_ATLAS-02

2025-01-18 11:50:00 - 2025-01-19 12:32:33

2460693.99306 - 2460695.0226

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
463358	2025-01-19 12:32:33	2460695.0226	19.107	0.199	19.16	ABMag	orange-ATLAS	ATLAS-HKO_ATLAS-02	30	Robot
463357	2025-01-18 11:50:00	2460693.99306			18.87	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	AT Type	Internal name	Assoc. Groups	ADS Bibcode	Unreal
243630	2025-02-06 17:32:19	PS1_Bot1	K. C. Chambers,T. de Boer,J. Fairlamb et al.	Pan-STARRS	Pan-STARRS	10:45:38.073	+39:03:07.71	2025-01-04 15:58:26.976	21.02	z-P1	PSN	PS25bh	Pan-STARRS		N
242704	2025-01-28 16:55:47	LAST_Bot1	R. Konno (WIS),E. Zimmerman (WIS),A. Horowicz (WIS) et al.	LAST	LAST	10:45:38.145	+39:03:08.80	2025-01-24 02:32:13.344	19.48	Clear-	PSN		LAST		N
241716	2025-01-20 08:26:07	GOTO_bot	K. Ulaczyk,D. O'Neill,K. Ackley et al.	GOTO	GOTO	10:45:38.076	+39:03:07.99	2025-01-15 04:47:45.312	18.5	L-GOTO	Other	GOTO25kp	GOTO		N
241694	2025-01-19 23:16:23	ATLAS_Bot1	J. Tonry,L. Denneau,H. Weiland et al.	ATLAS	ATLAS	10:45:38.108	+39:03:07.58	2025-01-19 12:32:32.640	19.107	orange-ATLAS	PSN	ATLAS25anb	ATLAS		N
240844	2025-01-09 09:34:46	Fritz	Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al.	ZTF	ZTF	10:45:38.077	+39:03:07.78	2025-01-02 12:39:02.001	21.0193	g-ZTF	PSN	ZTF25aaapqqt	ZTF		N
240823	2025-01-09 07:29:01	YSE_Bot1	D. O. Jones (UC Santa Cruz),K. D. French (Carnegie,Illinois) et al.	YSE	Pan-STARRS	10:45:38.071	+39:03:07.69	2025-01-07 12:51:12.384	19.41	g-P1	PSN	PS25bh	Pan-STARRS	2025TNSTR.124....1J	N

Classification Reports

ID

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

20203

2025-01-19 13:52:29

Charlotte Angus

C. Angus (QUB) on behalf of SCAT

SCAT

SN Ia

0.1

1

SCAT

Spectrum taken with UH88/SNIFS on 19/01/2025. Template matches to SNe Ia around maximum light. Redshift found from template matching. Classification was done using SNID

2025TNSCR.261....1A

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
20203	2025-01-19 00:00:00	UH88 / SNIFS		C. Angus		SCAT	tns_2025gx_2025-01-19_UH88_SNIFS_SCAT.dat		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 243630 of Group Pan-STARRS
Previous RA, DEC: 10:45:38.071, +39:03:07.69 (161.408628497, +39.0521361626)
Updated RA, DEC: 10:45:38.073, +39:03:07.71 (161.408637676, 39.0521407445)

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SN 2025gx

Spectra

Light curves

Comments

Object coordinates updated