2025acbz | Transient Name Server

RA/DEC (2000)

17:47:32.056 +51:28:34.36

266.8835669 +51.4762112

Type

SN Ia

Redshift

0.068

Discovery Report Classification Report

Reporting Group

ATLAS

Discovering Data Source

ATLAS

Discovery Date

2025-10-30 19:29:20.256

TNS AT

Y

Public

Y

Discovery Mag

18.038

Filter

wide-ATLAS

Reporter/s

J. Tonry, L. Denneau, H. Weiland, R. Siverd (IfA, University of Hawaii), N. Erasmus, W. Koorts (South African Astronomical Observatory), A. Jordan, V. Suc (UAI, Obstech), M. R. Alarcón, J. Licandro, P. Nichita (IAC), S. J. Smartt, K. W. Smith (Oxford/QUB), D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng, C. R. Angus, A. Wilson, A. Aamer, D. Magill, P. J. Broda (QUB), P. Ramsden (Birmingham/QUB), L. Shingles (GSI/QUB), S. Srivastav, J. H. Gillanders, H. Stevance, A. J. Cooper, F. Stoppa, J. Tweddle (Oxford), L. Rhodes (TSI/McGill), A. Rest (STScI), T.-W. Chen (NCU), C. Stubbs (Harvard), J. S. Sommer (LMU), B. P. Schmidt (ANU)

NED SIMBAD DECaLS PanSTARRS-1 SkyMapper VizieR WISE DSS ADS

Light curves

▌

ATLAS-TDO_ATLAS-05_wide

▌

GOTO-N_GOTO-2_L

▌

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
	22360	2025-11-06 03:06:48	P60 / SEDM	2700	SEDmRobot	auto	ZTF	tns_2025acbz_2025-11-06_03-06-47.564053_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

wide-ATLAS

ATLAS-TDO_ATLAS-05

2025-10-24 20:40:06 - 2025-10-30 19:29:20

2460973.36118 - 2460979.31204

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
528245	2025-10-30 19:29:20	2460979.31204	18.038	0.179	19.18	ABMag	wide-ATLAS	ATLAS-TDO_ATLAS-05	30	Robot
528244	2025-10-24 20:40:06	2460973.36118			19.9	ABMag	wide-ATLAS	ATLAS-TDO_ATLAS-05	30	Robot	[Last non detection]

L-GOTO

GOTO-N_GOTO-2

2025-09-16 20:59:50 - 2025-10-24 21:22:18

2460935.37489 - 2460973.390488

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
529366	2025-10-24 21:22:18	2460973.390488	19.81	0.17		ABMag	L-GOTO	GOTO-N_GOTO-2	180
529365	2025-09-16 20:59:50	2460935.37489			19.8	ABMag	L-GOTO	GOTO-N_GOTO-2	180		[Last non detection]

r-ZTF

P48_ZTF-Cam

2025-11-01 02:52:39 - 2025-11-01 02:52:39

2460980.6198958 - 2460980.6198958

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
528252	2025-11-01 02:52:39	2460980.6198958	18.1594	0.0805627		ABMag	r-ZTF	P48_ZTF-Cam

g-ZTF

P48_ZTF-Cam

2025-11-01 03:49:19 - 2025-11-01 03:49:19

2460980.6592477 - 2460980.6592477

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
528253	2025-11-01 03:49:19	2460980.6592477	17.9866	0.0680973		ABMag	g-ZTF	P48_ZTF-Cam

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
275929	2025-11-06 21:36:16	GOTO_bot	D. O'Neill, G. Ramsay, K. Ackley et al.	GOTO	GOTO	17:47:32.042	+51:28:34.49	2025-10-24 21:22:18.336	19.81	L-GOTO		Other		GOTO25jpl	GOTO				N
275413	2025-11-01 05:45:55	BTSbot_bot	Nabeel Rehemtulla (CIERA, NU), Wynn Jacobson-Galán (Caltech), Theophile du Laz (Caltech) on behalf of ZTF	ZTF	ZTF	17:47:32.056	+51:28:34.36	2025-11-01 02:52:38.997	18.1594	r-ZTF		PSN		ZTF25acbyjyq	ZTF		Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot (Rehemtulla et al. 2024; arXiv:2401.15167).		N
275409	2025-11-01 01:33:09	ATLAS_Bot1	J. Tonry, L. Denneau, H. Weiland et al.	ATLAS	ATLAS	17:47:32.053	+51:28:34.09	2025-10-30 19:29:20.256	18.038	wide-ATLAS		PSN		ATLAS25nnv	ATLAS			2025TNSTR4393....1T	N

Classification Reports

ID

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

22359

2025-11-06 04:00:25

ZTF_Bot1

C. Fremling, D. Neill, Y. Sharma on behalf of the SEDM Team (Caltech) and the Zwicky Transient Facility (ZTF) based on SNIascore

ZTF

SN Ia

0.068

1

ZTF

2025TNSCR4462....1F

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
22360	2025-11-06 03:06:48	P60 / SEDM	2700	SEDmRobot	auto	ZTF	tns_2025acbz_2025-11-06_03-06-47.564053_P60_SEDM_ZTF.ascii		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 275413 of Group ZTF
Previous RA, DEC: 17:47:32.053, +51:28:34.09 (266.883552222, +51.4761355556)
Updated RA, DEC: 17:47:32.056, +51:28:34.36 (266.8835669, +51.4762112)

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