2025cdt | Transient Name Server

RA/DEC (2000)

07:24:23.137 +18:13:51.48

111.096402885 +18.230965898

Type

SN IIn

Redshift

0.0696

Discovery Report Classification Report

Reporting Group

ZTF

Discovering Data Source

ZTF

Discovery Date

2025-02-18 07:17:56.996

TNS AT

Y

Public

Y

Discovery Mag

19.7027

Filter

r-ZTF

Reporter/s

Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU), Theophile du Laz (Caltech) on behalf of ZTF

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
	21959	2025-03-02 05:01:30	Keck1 / LRIS	300	Chang Liu	Chang Liu	ZTF	tns_2025cdt_2025-03-02_05-01-30_Keck1_LRIS_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

L-GOTO

GOTO-N_GOTO-1

2025-02-16 21:05:26 - 2025-02-23 22:28:23

2460723.37877 - 2460730.436376

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
472228	2025-02-23 22:28:23	2460730.436376	19.7	0.21		ABMag	L-GOTO	GOTO-N_GOTO-1	180
472227	2025-02-16 21:05:26	2460723.37877			19.6	ABMag	L-GOTO	GOTO-N_GOTO-1	180		[Last non detection]

r-ZTF

P48_ZTF-Cam

2025-02-17 06:12:19 - 2025-02-20 06:52:44

2460723.7585532 - 2460726.7866204

3

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
470144	2025-02-20 06:52:44	2460726.7866204	19.7336	0.151904		ABMag	r-ZTF	P48_ZTF-Cam
470143	2025-02-18 07:17:57	2460724.8041319	19.7027	0.176573		ABMag	r-ZTF	P48_ZTF-Cam
470142	2025-02-17 06:12:19	2460723.7585532			19.3438	ABMag	r-ZTF	P48_ZTF-Cam			[Last non detection]

orange-ATLAS

ATLAS-MLO_ATLAS-01

2025-02-24 06:00:45 - 2025-02-24 06:00:45

2460730.75052 - 2460730.75052

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
471543	2025-02-24 06:00:45	2460730.75052	19.098	0.195	19.21	ABMag	orange-ATLAS	ATLAS-MLO_ATLAS-01	30	Robot

orange-ATLAS

ATLAS-HKO_ATLAS-02

2025-02-23 08:43:37 - 2025-02-23 08:43:37

2460729.86362 - 2460729.86362

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
471542	2025-02-23 08:43:37	2460729.86362			19.42	ABMag	orange-ATLAS	ATLAS-HKO_ATLAS-02	30	Robot	[Last non detection]

w-P1

PS1_GPC1

2025-02-18 05:37:16 - 2025-02-18 05:37:16

2460724.73421 - 2460724.73421

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
482631	2025-02-18 05:37:16	2460724.73421	20.1	0.1	22	ABMag	w-P1	PS1_GPC1	45	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
251888	2025-04-19 11:22:51	PS1_Bot1	K. C. Chambers,T. de Boer,J. Fairlamb et al.	Pan-STARRS	Pan-STARRS	07:24:23.137	+18:13:51.48	2025-02-18 05:37:15.744	20.1	w-P1		PSN		PS25blh	Pan-STARRS				N
246121	2025-02-27 07:55:18	GOTO_bot	D. O'Neill,G. Ramsay,K. Ackley et al.	GOTO	GOTO	07:24:23.166	+18:13:51.47	2025-02-23 22:28:23.232	19.7	L-GOTO		Other		GOTO25auw	GOTO				N
245827	2025-02-24 22:13:06	ATLAS_Bot1	J. Tonry,L. Denneau,H. Weiland et al.	ATLAS	ATLAS	07:24:23.149	+18:13:52.35	2025-02-24 06:00:44.928	19.098	orange-ATLAS		PSN		ATLAS25cad	ATLAS				N
245193	2025-02-20 11:01:45	Fritz	Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al.	ZTF	ZTF	07:24:23.122	+18:13:51.41	2025-02-18 07:17:56.996	19.7027	r-ZTF		PSN		ZTF25aafuzcr	ZTF			2025TNSTR.697....1S	N

Classification Reports

ID

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

21959

2025-09-03 17:42:38

ZTF_Bot1

C. Liu, A. Mehla, M. Chu, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF)

ZTF

SN IIn

0.0696

1

ZTF

2025TNSCR3546....1L

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
21959	2025-03-02 05:01:30	Keck1 / LRIS	300	Chang Liu	Chang Liu	ZTF	tns_2025cdt_2025-03-02_05-01-30_Keck1_LRIS_ZTF.ascii		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 251888 of Group Pan-STARRS
Previous RA, DEC: 07:24:23.122, +18:13:51.41 (111.0963435, +18.2309485)
Updated RA, DEC: 07:24:23.137, +18:13:51.48 (111.096402885, +18.230965898)

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