2025nch | Transient Name Server

RA/DEC (2000)

01:27:12.167 +17:11:35.15

21.8006978449 +17.1930972202

Type

SN II

Redshift

0.06

Discovery Report Classification Report

Reporting Group

ALeRCE

Discovering Data Source

ZTF

Discovery Date

2025-06-08 11:13:52.997

TNS AT

Y

Public

Y

Host Name

SDSS J012711.84+171135.6

Discovery Mag

18.954

Filter

r-ZTF

Reporter/s

F. Forster, F.E. Bauer, G. Pignata, A. Munoz-Arancibia, A. Mourao, L. Hernandez-Garcia, L. Galbany, J. Silva-Farfan, R. Dastidar, J.P. Brandt, A. Alvarez, G. Cabrera-Vives, R. Carrasco-Davis, P.A. Estevez, B. Gamboa, P. Huijse, H. Larranaga, C. Mansilla, K. Medina, D. Moreno, E. Munoz, E. Pizarro, I. Reyes, P. Sanchez-Saez, D. Rodriguez-Mancini, M. Catelan, S. Eyheramendy, M.J. Graham on behalf of the ALeRCE broker

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
	21322	2025-06-16 10:29:45	P60 / SEDM	2700	SEDmRobot		ZTF	tns_2025nch_2025-06-16_10-29-44.873565_P60_SEDM_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-2

2025-06-17 04:52:10 - 2025-06-17 04:52:10

2460843.702893 - 2460843.702893

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
504291	2025-06-17 04:52:10	2460843.702893	18.77	0.2		ABMag	L-GOTO	GOTO-N_GOTO-2	180
505423	2025-06-17 04:52:10	2460843.702893	18.77	0.2		ABMag	L-GOTO	GOTO-N_GOTO-2	180

w-P1

PS2_GPC2

2025-07-05 13:58:45 - 2025-07-05 13:58:45

2460862.08247 - 2460862.08247

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
501678	2025-07-05 13:58:45	2460862.08247	18.85	0.06	22	ABMag	w-P1	PS2_GPC2	45	Robot

L-GOTO

GOTO-N_GOTO-1

2025-01-14 21:59:16 - 2025-01-14 21:59:16

2460690.416164 - 2460690.416164

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
504290	2025-01-14 21:59:16	2460690.416164			19	ABMag	L-GOTO	GOTO-N_GOTO-1	180		[Last non detection]
505422	2025-01-14 21:59:16	2460690.416164			19	ABMag	L-GOTO	GOTO-N_GOTO-1	180		[Last non detection]

r-ZTF

P48_ZTF-Cam

2025-06-03 11:45:58 - 2025-06-08 11:25:37

2460829.9902546 - 2460834.9761227

4

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
494186	2025-06-08 11:25:37	2460834.9761227	18.8695	0.11606	19.6604	ABMag	r-ZTF	P48_ZTF-Cam	30	Robot	Data provided by ZTF
494185	2025-06-08 11:20:05	2460834.9722801	19.0236	0.10154	19.7837	ABMag	r-ZTF	P48_ZTF-Cam	30	Robot	Data provided by ZTF
494184	2025-06-08 11:13:53	2460834.9679745	18.954	0.0912051	19.8931	ABMag	r-ZTF	P48_ZTF-Cam	30	Robot	Data provided by ZTF
494183	2025-06-03 11:45:58	2460829.9902546			17.7738	ABMag	r-ZTF	P48_ZTF-Cam	30	Robot	[Last non detection] Data provided by ZTF

orange-ATLAS

ATLAS-MLO_ATLAS-01

2025-06-13 14:46:05 - 2025-06-13 14:46:05

2460840.11534 - 2460840.11534

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
500453	2025-06-13 14:46:05	2460840.11534			18.22	ABMag	orange-ATLAS	ATLAS-MLO_ATLAS-01	30	Robot	[Last non detection]

orange-ATLAS

ATLAS-HKO_ATLAS-02

2025-06-14 14:04:58 - 2025-06-14 14:04:58

2460841.08678 - 2460841.08678

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
500454	2025-06-14 14:04:58	2460841.08678	18.119	0.158	18.69	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
263973	2025-07-27 09:18:33	GOTO_bot	D. O'Neill, K. Ackley, M. Dyer et al.	GOTO	GOTO	01:27:12.165	+17:11:35.16	2025-06-17 04:52:09.696	18.77	L-GOTO		Other		GOTO25fgq	GOTO				N
263450	2025-07-22 22:25:45	GOTO_bot	A. Kumar, D. O'Neill, K. Ackley et al.	GOTO	GOTO	01:27:12.175	+17:11:34.76	2025-06-17 04:52:09.696	18.77	L-GOTO		Other		GOTO25ffk	GOTO				N
261978	2025-07-10 00:26:22	PS1_Bot1	K. C. Chambers, T. de Boer, J. Fairlamb et al.	Pan-STARRS	Pan-STARRS	01:27:12.167	+17:11:35.15	2025-07-05 13:58:45.408	18.85	w-P1		PSN		PS25etn	Pan-STARRS				N
261318	2025-07-03 08:23:04	ATLAS_Bot1	J. Tonry, L. Denneau, H. Weiland et al.	ATLAS	ATLAS	01:27:12.160	+17:11:35.25	2025-06-14 14:04:57.792	18.119	orange-ATLAS		PSN		ATLAS25gvb	ATLAS				N
258021	2025-06-08 20:57:59	ALeRCE	F. Forster, F.E. Bauer, G. Pignata et al.	ALeRCE	ZTF	01:27:12.169	+17:11:35.23	2025-06-08 11:13:52.997	18.954	r-ZTF		PSN	SDSS J012711.84+171135.6	ZTF25aaufltl	ZTF		SN candidate classified using ALeRCE's stamp classifier (Carrasco-Davis et al. 2021) and the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF25aaufltl	2025TNSTR2138....1F	N

Classification Reports

ID

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

21322

2025-06-16 20:02:24

ZTF_Bot1

J. Sollerman, S. Covarrubias, M. Chu, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF)

ZTF

SN II

0.06

1

ZTF

2025TNSCR2245....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
21322	2025-06-16 10:29:45	P60 / SEDM	2700	SEDmRobot		ZTF	tns_2025nch_2025-06-16_10-29-44.873565_P60_SEDM_ZTF.ascii		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 261978 of Group Pan-STARRS
Previous RA, DEC: 01:27:12.169, +17:11:35.23 (21.800704333334, +17.193119133333)
Updated RA, DEC: 01:27:12.167, +17:11:35.15 (21.8006978449, +17.1930972202)

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