2025neh | Transient Name Server

RA/DEC (2000)

15:46:29.151 +34:45:27.86

236.621461597 +34.7577377589

Type

SN II

Redshift

0.07

Discovery Report Classification Report

Reporting Group

SGLF

Discovering Data Source

ZTF

Discovery Date

2025-06-09 06:22:24.000

TNS AT

Y

Public

Y

Host Name

SDSS J154629.15+344525.3

Discovery Mag

19.456

Filter

r-ZTF

Reporter/s

I. Pérez-Fournon (IAC and ULL), D. Cano-Morales, I. Correa-Plasencia, A.E. Hernández-Díaz, C. Jaén-Martín (ULL), F. Poidevin (IAC and ULL), C. Jiménez Ángel (GRANTECAN), Z. Delgado-González (ULL), R. Shirley (MPE), R. Marques-Chaves (Univ. of Geneva), and S. Geier (GRANTECAN & IAC) on behalf of SGLF

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
	21288	2025-06-12 08:37:57	UH88 / SNIFS	1800	Willem Hoogendam	Atlas Syncatto	SCAT	tns_2025neh_2025-06-12_08-37-57_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
	21292	2025-05-12 00:00:00	UH88 / SNIFS	1800	Hoogendam	Syncatto	SCAT	tns_2025neh_2025-05-12_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

w-P1

PS2_GPC2

2025-06-26 08:24:19 - 2025-06-26 08:24:19

2460852.85022 - 2460852.85022

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
499065	2025-06-26 08:24:19	2460852.85022	19.86	0.04	22	ABMag	w-P1	PS2_GPC2	45	Robot

r-ZTF

P48_ZTF-Cam

2025-06-09 06:22:24 - 2025-06-09 06:22:24

2460835.7655556 - 2460835.7655556

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
494339	2025-06-09 06:22:24	2460835.7655556	19.456	0.161		ABMag	r-ZTF	P48_ZTF-Cam	30	ZTFbot

g-ZTF

P48_ZTF-Cam

2025-06-04 09:58:39 - 2025-06-04 09:58:39

2460830.9157292 - 2460830.9157292

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
494338	2025-06-04 09:58:39	2460830.9157292			20.25	ABMag	g-ZTF	P48_ZTF-Cam	30	ZTFbot	[Last non detection]

orange-ATLAS

ATLAS-MLO_ATLAS-01

2025-06-16 06:41:00 - 2025-06-16 06:41:00

2460842.77847 - 2460842.77847

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
495475	2025-06-16 06:41:00	2460842.77847	19.276	0.165	19.63	ABMag	orange-ATLAS	ATLAS-MLO_ATLAS-01	30	Robot

orange-ATLAS

ATLAS-HKO_ATLAS-02

2025-06-15 09:43:32 - 2025-06-15 09:43:32

2460841.90523 - 2460841.90523

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
495474	2025-06-15 09:43:32	2460841.90523			17.8	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	Related files	AT Type	Host name	Internal name	Assoc. Groups	End prop. period	Remarks	ADS Bibcode	Unreal	Auto classification
260420	2025-06-28 16:12:02	PS1_Bot1	K. C. Chambers,T. de Boer,J. Fairlamb et al.	Pan-STARRS	Pan-STARRS	15:46:29.151	+34:45:27.86	2025-06-26 08:24:19.008	19.86	w-P1		PSN		PS25dra	Pan-STARRS				N
258731	2025-06-16 09:22:42	ATLAS_Bot1	J. Tonry,L. Denneau,H. Weiland et al.	ATLAS	ATLAS	15:46:29.138	+34:45:28.01	2025-06-16 06:40:59.808	19.276	orange-ATLAS		PSN		ATLAS25geq	ATLAS				N
258087	2025-06-09 17:46:12	Ismael Perez-Fournon	I. Pérez-Fournon (IAC and ULL),D. Cano-Morales,I. Correa-Plasencia et al.	SGLF	ZTF	15:46:29.149	+34:45:28.03	2025-06-09 06:22:24.000	19.456	r-ZTF		PSN	SDSS J154629.15+344525.3	ZTF25aaugjsk	ZTF		SN candidate discovered using the public ZTF alerts, the LSST/ZTF brokers, and our SGLF filters. ZTF light curve available at the LSST/ZTF brokers, e.g.: https://lasair-ztf.lsst.ac.uk/objects/ZTF25aaugjsk/ https://alerce.online/object/ZTF25aaugjsk https://antares.noirlab.edu/loci/ANT202576vq2edhh0	2025TNSTR2157....1P	N

Classification Reports

ID

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

21292

2025-06-13 08:06:41

Willem Hoogendam

Willem Hoogendam (IfA/Hawaii), Atlas Syncatto (IfA/Hawaii), on behalf of the SCAT team

SCAT

SN II

0.07

1

SCAT

Updated the redshift from the previous classification. Featureless blue continuum. Redshift estimate of ~0.07 from narrow host-galaxy Halpha line.

2025TNSCR2211....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
21292	2025-05-12 00:00:00	UH88 / SNIFS	1800	Hoogendam	Syncatto	SCAT	tns_2025neh_2025-05-12_UH88_SNIFS_SCAT.dat		Object

21288

2025-06-12 22:44:25

Atlas Syncatto

Atlas Syncatto (IfA) & Willem Hoogendam (IfA) on behalf of the SCAT team.

SCAT

SN II

0.34

1

SCAT

2025TNSCR2198....1S

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
21288	2025-06-12 08:37:57	UH88 / SNIFS	1800	Willem Hoogendam	Atlas Syncatto	SCAT	tns_2025neh_2025-06-12_08-37-57_UH88_SNIFS_SCAT.dat		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 260420 of Group Pan-STARRS
Previous RA, DEC: 15:46:29.149, +34:45:28.03 (236.621454, +34.757786)
Updated RA, DEC: 15:46:29.151, +34:45:27.86 (236.621461597, +34.7577377589)

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