2026nzw | Transient Name Server

RA/DEC (2000)

14:10:58.063 -20:08:43.95

212.74192958462 -20.145542223077

Type

SN Ia

Redshift

0.034

Discovery Report Classification Report

Related AstroNotes: 2026-179

Reporting Group

ZTF

Discovering Data Source

ZTF

Discovery Date

2026-05-31 05:55:16.996

TNS AT

Y

Public

Y

Discovery Mag

18.8925

Filter

i-ZTF

Reporter/s

Nabeel Rehemtulla (CIERA, NU), Wynn Jacobson-Galán (Caltech), Theophile du Laz (Caltech) on behalf of ZTF

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
	23901	2026-06-02 00:00:00	Gemini-S / GMOS-S		Gemini		GeminiClass	tns_2026nzw_2026-06-02_Gemini-S_GMOS-S_GeminiClass.txt		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-S_GOTO-3

2026-05-24 10:07:07 - 2026-06-06 09:51:43

2461184.921606 - 2461197.910918

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
589291	2026-06-06 09:51:43	2461197.910918	17.89	0.03		ABMag	L-GOTO	GOTO-S_GOTO-3	180
589290	2026-05-24 10:07:07	2461184.921606			19.9	ABMag	L-GOTO	GOTO-S_GOTO-3	180		[Last non detection]

i-ZTF

P48_ZTF-Cam

2026-05-25 06:26:14 - 2026-05-31 05:55:17

2461185.7682176 - 2461191.7467245

4

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
588336	2026-05-31 05:55:17	2461191.7467245	18.8925	0.196814		ABMag	i-ZTF	P48_ZTF-Cam
589303	2026-05-31 05:55:17	2461191.7467245	18.8925	0.196814	18.8011	ABMag	i-ZTF	P48_ZTF-Cam	30	Robot	Data provided by ZTF, classified by Fink
588335	2026-05-25 06:26:14	2461185.7682176			19.4795	ABMag	i-ZTF	P48_ZTF-Cam			[Last non detection]
589302	2026-05-25 06:26:14	2461185.7682176			19.4795	ABMag	i-ZTF	P48_ZTF-Cam	30	Robot	[Last non detection] Data provided by ZTF, classified by Fink

g-ZTF

P48_ZTF-Cam

2026-06-02 05:30:14 - 2026-06-02 05:30:14

2461193.7293287 - 2461193.7293287

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
588337	2026-06-02 05:30:14	2461193.7293287	18.3962	0.10264		ABMag	g-ZTF	P48_ZTF-Cam

orange-ATLAS

ATLAS-MLO_ATLAS-01

2026-06-04 09:49:41 - 2026-06-04 09:49:41

2461195.9095 - 2461195.9095

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
588853	2026-06-04 09:49:41	2461195.9095	18.22	0.135	18.96	ABMag	orange-ATLAS	ATLAS-MLO_ATLAS-01	30	Robot

orange-ATLAS

ATLAS-HKO_ATLAS-02

2026-06-01 10:31:10 - 2026-06-01 10:31:10

2461192.93831 - 2461192.93831

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
588852	2026-06-01 10:31:10	2461192.93831			18.21	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
307230	2026-06-06 18:44:03	Fink	Julien Peloton, Anais Moller, Emille E. O. Ishida on behalf of the Fink broker	Fink	ZTF	14:10:58.063	-20:08:43.95	2026-05-31 05:55:16.997	18.8925	i-ZTF		PSN		ZTF26aayxpgz	ZTF		Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF26aayxpgz		N
307223	2026-06-06 15:03:46	GOTO_bot	G. Ramsay, K. Ackley, M. Dyer et al.	GOTO	GOTO	14:10:58.067	-20:08:43.81	2026-06-06 09:51:43.488	17.89	L-GOTO		Other		GOTO26fit	GOTO				N
307009	2026-06-04 18:27:27	ATLAS_Bot1	J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al.	ATLAS	ATLAS	14:10:58.078	-20:08:43.79	2026-06-04 09:49:40.800	18.22	orange-ATLAS		PSN		ATLAS26gqy	ATLAS				N
306783	2026-06-02 05:50:34	BTSbot_bot	Nabeel Rehemtulla (CIERA, NU), Wynn Jacobson-Galán (Caltech), Theophile du Laz (Caltech) on behalf of ZTF	ZTF	ZTF	14:10:58.051	-20:08:43.98	2026-05-31 05:55:16.996	18.8925	i-ZTF		PSN		ZTF26aayxpgz	ZTF		Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot (Rehemtulla et al. 2024; arXiv:2401.15167).		N

Classification Reports

ID

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

23897

2026-06-03 15:41:03

Priscila Pessi

P. Pessi (NCBJ), A. Cikota (NOIRLab/Gemini South), D. May (NOIRLab/Gemini South), V. Firpo (NOIRLab/Gemini South), F. Gran (NOIRLab/Gemini South), L. Magill (NOIRLab/Gemini South), P. King (NOIRLab/Gemini South), K. Silva (NOIRLab/Gemini South), P. Candia (NOIRLab/Gemini South), R. Ruiz-Carmona (NOIRLab/Gemini South), S. Panda (NOIRLab/Gemini South), J. Font-Serra (NOIRLab/Gemini South), R. Angeloni (NOIRLab/Gemini South), V. Kalari (NOIRLab/Gemini South), C. Rodriguez (NOIRLab/Gemini South), J.-E. Heo (NOIRLab/Gemini South), E. Sabbi (NOIRLab), T. Ahumada (NOIRLab/ SOAR), R. Cartier (University of Antofagasta), S. Cikota (CAHA)

GeminiClass

SN Ia

0.034

1

GeminiClass

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
23901	2026-06-02 00:00:00	Gemini-S / GMOS-S		Gemini		GeminiClass	tns_2026nzw_2026-06-02_Gemini-S_GMOS-S_GeminiClass.txt		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 307230 of Group ZTF
Previous RA, DEC: 14:10:58.051, -20:08:43.98 (212.7418797, -20.1455497)
Updated RA, DEC: 14:10:58.063, -20:08:43.95 (212.74192958462, -20.145542223077)

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