2025ric | Transient Name Server

RA/DEC (2000)

22:05:42.181 +22:11:22.13

331.4257538 +22.1894818

Type

SN Ia

Redshift

0.07

Discovery Report Classification Report

Related AstroNotes: 2025-221

Reporting Group

ZTF

Discovering Data Source

ZTF

Discovery Date

2025-07-16 08:27:49.996

TNS AT

Public

Discovery Mag

19.8117

Filter

i-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

▌

P48_ZTF-Cam_i

▌

P48_ZTF-Cam_g

▌

ATLAS-MLO_ATLAS-01_orange

▌

ATLAS-HKO_ATLAS-02_orange

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
	21577	2025-07-19 04:33:11	ESO-NTT / EFOSC2-NTT	1500	G. Csoernyei	G. Csoernyei	None	tns_2025ric_2025-07-19_04-33-11.046_ESO-NTT_EFOSC2-NTT_None.asci	tns_2025ric_2025-07-19_04-33-11.046_ESO-NTT_EFOSC2-NTT_None.fits	Object			Quick-reduction spectrum
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 Quick-reduction spectrum

Light Curves

Filter

Tel / Inst

Obs-date range

JD Range

Photometry

i-ZTF

P48_ZTF-Cam

2025-07-16 08:27:50 - 2025-07-17 08:50:16

2460872.852662 - 2460873.8682407

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
503058	2025-07-17 08:50:16	2460873.8682407	19.5795	0.179712		ABMag	i-ZTF	P48_ZTF-Cam
503057	2025-07-16 08:27:50	2460872.852662	19.8117	0.190673		ABMag	i-ZTF	P48_ZTF-Cam

g-ZTF

P48_ZTF-Cam

2025-07-14 10:36:34 - 2025-07-14 10:36:34

2460870.9420602 - 2460870.9420602

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
503056	2025-07-14 10:36:34	2460870.9420602			19.0415	ABMag	g-ZTF	P48_ZTF-Cam			[Last non detection]

orange-ATLAS

ATLAS-MLO_ATLAS-01

2025-07-26 08:53:02 - 2025-07-26 08:53:02

2460882.87016 - 2460882.87016

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
505699	2025-07-26 08:53:02	2460882.87016			19.5	ABMag	orange-ATLAS	ATLAS-MLO_ATLAS-01	30	Robot	[Last non detection]

orange-ATLAS

ATLAS-HKO_ATLAS-02

2025-07-27 12:44:14 - 2025-07-27 12:44:14

2460884.03072 - 2460884.03072

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
505700	2025-07-27 12:44:14	2460884.03072	19.141	0.148	19.61	ABMag	orange-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
264135	2025-07-28 09:36:04	ATLAS_Bot1	J. Tonry, L. Denneau, H. Weiland et al.	ATLAS	ATLAS	22:05:42.176	+22:11:22.18	2025-07-27 12:44:14.208	19.141	orange-ATLAS		PSN		ATLAS25iix	ATLAS				N
262794	2025-07-17 09:36:12	Fritz	Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al.	ZTF	ZTF	22:05:42.181	+22:11:22.13	2025-07-16 08:27:49.996	19.8117	i-ZTF		PSN		ZTF25abbonxp	ZTF			2025TNSTR2745....1S	N

Classification Reports

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

21577

2025-07-19 23:39:56

Geza Csornyei

G. Csoernyei, M. Vioque, M. Mirabile (ESO), G. Fernandes Goncalves (Federal University of Technology), L. Hauer (University of Vienna), P. M. Lequizamon Pineda (Università degli Studi di Padova), A. Moore (University College Cork), E. Nilson (Lund University), A. Pisapia (INAF-OAS), J. Willingham (Macquarie University)

None

SN Ia

0.07

Redshift measured from host galaxy narrow emission lines when extracting the background. GELATO finds reasonable matches with SNe Ia a week before maximum.

2025TNSCR2777....1C

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
21577	2025-07-19 04:33:11	ESO-NTT / EFOSC2-NTT	1500	G. Csoernyei	G. Csoernyei	None	tns_2025ric_2025-07-19_04-33-11.046_ESO-NTT_EFOSC2-NTT_None.asci	tns_2025ric_2025-07-19_04-33-11.046_ESO-NTT_EFOSC2-NTT_None.fits	Object			Quick-reduction spectrum

SN 2025ric

Spectra

Light curves

Comments