2025pie | Transient Name Server

RA/DEC (2000)

20:44:07.709 -18:03:22.65

311.03211949231 -18.056292584615

Type

SN Ia

Redshift

0.076

Discovery Report Classification Report

Reporting Group

ALeRCE

Discovering Data Source

ZTF

Discovery Date

2025-06-29 09:36:48.004

TNS AT

Y

Public

Y

Host Name

6dFGS gJ204407.5-180324

Host Redshift

0.07575

Discovery Mag

19.5217

Filter

g-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

▌

ATLAS-CHL_ATLAS-04_orange

▌

ATLAS-STH_ATLAS-03_cyan

▌

P48_ZTF-Cam_r

▌

P48_ZTF-Cam_g

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
	21474	2025-07-04 00:00:00	UH88 / SNIFS		C. Angus		SCAT	tns_2025pie_2025-07-04_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

orange-ATLAS

ATLAS-CHL_ATLAS-04

2025-07-02 07:58:07 - 2025-07-02 07:58:07

2460858.83203 - 2460858.83203

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
500879	2025-07-02 07:58:07	2460858.83203			17.69	ABMag	orange-ATLAS	ATLAS-CHL_ATLAS-04	30	Robot	[Last non detection]
500881	2025-07-02 07:58:07	2460858.83203			17.69	ABMag	orange-ATLAS	ATLAS-CHL_ATLAS-04	30	Robot	[Last non detection]

cyan-ATLAS

ATLAS-STH_ATLAS-03

2025-07-02 23:41:58 - 2025-07-02 23:41:58

2460859.48748 - 2460859.48748

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
500880	2025-07-02 23:41:58	2460859.48748	18.751	0.095	19.8	ABMag	cyan-ATLAS	ATLAS-STH_ATLAS-03	30	Robot
500882	2025-07-02 23:41:58	2460859.48748	18.751	0.095	19.8	ABMag	cyan-ATLAS	ATLAS-STH_ATLAS-03	30	Robot

r-ZTF

P48_ZTF-Cam

2025-06-29 08:35:42 - 2025-06-29 08:35:42

2460855.858125 - 2460855.858125

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
499297	2025-06-29 08:35:42	2460855.858125			19.7768	ABMag	r-ZTF	P48_ZTF-Cam	30	Robot	[Last non detection] Data provided by ZTF

g-ZTF

P48_ZTF-Cam

2025-06-26 10:17:51 - 2025-06-29 09:36:48

2460852.9290625 - 2460855.9005556

3

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
499298	2025-06-29 09:36:48	2460855.9005556	19.5217	0.151455	20.1482	ABMag	g-ZTF	P48_ZTF-Cam	30	Robot	Data provided by ZTF
501478	2025-06-29 09:36:48	2460855.9005556	19.5217	0.151455	20.1482	ABMag	g-ZTF	P48_ZTF-Cam	30	Robot	Data provided by ZTF, classified by Fink
501477	2025-06-26 10:17:51	2460852.9290625			20.1492	ABMag	g-ZTF	P48_ZTF-Cam	30	Robot	[Last non detection] Data provided by ZTF, classified by Fink

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
261861	2025-07-08 18:15:41	Fink	Julien Peloton, Anais Moller, Emille E. O. Ishida on behalf of the Fink broker	Fink	ZTF	20:44:07.709	-18:03:22.65	2025-06-29 09:36:48.004	19.5217	g-ZTF		PSN		ZTF25aaymdbo	ZTF		Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF25aaymdbo		N
261548	2025-07-04 21:17:38	ATLAS_Bot1	J. Tonry, L. Denneau, H. Weiland et al.	ATLAS	ATLAS	20:44:07.700	-18:03:22.66	2025-07-02 23:41:58.272	18.751	cyan-ATLAS		PSN		ATLAS25gwq	ATLAS				N
261547	2025-07-04 21:17:38	ATLAS_Bot1	J. Tonry, L. Denneau, H. Weiland et al.	ATLAS	ATLAS	20:44:07.701	-18:03:22.64	2025-07-02 23:41:58.272	18.751	cyan-ATLAS		PSN		ATLAS25gwq	ATLAS				N
260548	2025-06-30 02:33:54	ALeRCE	F. Forster, F.E. Bauer, G. Pignata et al.	ALeRCE	ZTF	20:44:07.712	-18:03:22.67	2025-06-29 09:36:48.004	19.5217	g-ZTF		PSN	6dFGS gJ204407.5-180324	ZTF25aaymdbo	ZTF		Early SN candidate (g-rise > 0.21+-0.05 mag/day) 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/ZTF25aaymdbo	2025TNSTR2484....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

21474

2025-07-04 14:25:20

Charlotte Angus

C. Angus (QUB) on behalf of SCAT

SCAT

SN Ia

0.076

1

SCAT

Spectrum taken with UH88/SNIFS on 04/07/2025. Template matches to SNe Ia. Redshift from host galaxy redshift in NED. Classification was done using SNID

2025TNSCR2564....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
21474	2025-07-04 00:00:00	UH88 / SNIFS		C. Angus		SCAT	tns_2025pie_2025-07-04_UH88_SNIFS_SCAT.dat		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 261861 of Group ZTF
Previous RA, DEC: 20:44:07.712, -18:03:22.67 (311.0321315, -18.0562975)
Updated RA, DEC: 20:44:07.709, -18:03:22.65 (311.03211949231, -18.056292584615)

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