2026nml | Transient Name Server

RA/DEC (2000)

18:27:35.636 +18:48:26.06

276.8984848 +18.8072398

Type

SN II

Redshift

0.016

Discovery Report Classification Report

Related AstroNotes: 2026-181

Reporting Group

ATLAS

Discovering Data Source

ATLAS

Discovery Date

2026-05-23 11:01:13.152

TNS AT

Y

Public

Y

Discovery Mag

18.324

Filter

cyan-ATLAS

Reporter/s

J. Tonry, L. Denneau, H. Weiland (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, A. J. Smith (QUB), P. Ramsden (Birmingham/QUB), L. Shingles (GSI/QUB), S. Srivastav, J. H. Gillanders, H. Stevance, A. J. Cooper, F. Stoppa, J. Tweddle, L. Eastman (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

▌

GOTO-N_GOTO-1_L

▌

P48_ZTF-Cam_r

▌

P48_ZTF-Cam_g

▌

ATLAS-HKO_ATLAS-02_cyan

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
	23936	2026-06-04 05:37:06	ESO-NTT / EFOSC2-NTT	1500	M. Ghendrih, E. Charleton, CG. Touchard-Paxton	P. Wiseman	ePESSTO+	tns_2026nml_2026-06-04_05-37-06_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci	tns_2026nml_2026-06-04_05-37-06_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits	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
	23857	2026-05-25 20:50:53	Lijiang-2.4m / YFOSC		Luhan Li	Xinjie Luo	YNTS	tns_2026nml_2026-05-25_20-50-52.98_Lijiang-2.4m_YFOSC_YNTS.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

L-GOTO

GOTO-N_GOTO-1

2026-05-22 01:20:14 - 2026-05-23 01:13:14

2461182.555721 - 2461183.550858

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
585001	2026-05-23 01:13:14	2461183.550858	18.69	0.07		ABMag	L-GOTO	GOTO-N_GOTO-1	135
585000	2026-05-22 01:20:14	2461182.555721			20.2	ABMag	L-GOTO	GOTO-N_GOTO-1	180		[Last non detection]

r-ZTF

P48_ZTF-Cam

2026-05-20 10:08:16 - 2026-05-25 08:37:18

2461180.9224074 - 2461185.8592361

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
585294	2026-05-25 08:37:18	2461185.8592361	17.9224	0.0573355		ABMag	r-ZTF	P48_ZTF-Cam
585292	2026-05-20 10:08:16	2461180.9224074			21.0318	ABMag	r-ZTF	P48_ZTF-Cam			[Last non detection]

g-ZTF

P48_ZTF-Cam

2026-05-22 09:29:30 - 2026-05-22 09:29:30

2461182.8954861 - 2461182.8954861

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
585293	2026-05-22 09:29:30	2461182.8954861	20.14	0.193382		ABMag	g-ZTF	P48_ZTF-Cam

cyan-ATLAS

ATLAS-HKO_ATLAS-02

2026-05-22 12:06:00 - 2026-05-23 11:01:13

2461183.00417 - 2461183.95918

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
584975	2026-05-23 11:01:13	2461183.95918	18.324	0	19.4	ABMag	cyan-ATLAS	ATLAS-HKO_ATLAS-02	30	Robot
584974	2026-05-22 12:06:00	2461183.00417			19.36	ABMag	cyan-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
305213	2026-05-25 09:40:34	Fritz	Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al.	ZTF	ZTF	18:27:35.636	+18:48:26.06	2026-05-22 09:29:29.999	20.14	g-ZTF		PSN		ZTF26aaxywzd	ZTF				N
305076	2026-05-24 08:50:28	GOTO_bot	D. O'Neill, G. Ramsay, K. Ackley et al.	GOTO	GOTO	18:27:35.626	+18:48:26.59	2026-05-23 01:13:14.304	18.69	L-GOTO		Other		GOTO26fdi	GOTO				N
305060	2026-05-23 18:37:20	ATLAS_Bot1	J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al.	ATLAS	ATLAS	18:27:35.616	+18:48:25.97	2026-05-23 11:01:13.152	18.324	cyan-ATLAS		PSN		ATLAS26ghq	ATLAS			2026TNSTR2241....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

23932

2026-06-04 15:52:23

ePESSTOplus_Bot1

M. Ghendrih, E. Charleton, CG. Touchard-Paxton, P. Wiseman, E. A. Zimmerman on behalf of ePESSTO+

ePESSTO+

SN II

0.016

1

ePESSTO+

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
23936	2026-06-04 05:37:06	ESO-NTT / EFOSC2-NTT	1500	M. Ghendrih, E. Charleton, CG. Touchard-Paxton	P. Wiseman	ePESSTO+	tns_2026nml_2026-06-04_05-37-06_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci	tns_2026nml_2026-06-04_05-37-06_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits	Object

23853

2026-05-29 02:32:55

Luhan Li

Bo Wang, Luhan Li, Jujia Zhang, Xinjie Luo, Shiyang Dong, Liping Li, Dongdong Liu (YNAO)

YNTS

SN II

0.016

1

1

LiONS, YNTS

2026TNSCR2336....1W

Related files

File	Comments	Last Modified (UT)	Modified By
tns_2026nml_atrep_23853_YNTS.png		2026-05-29 02:32:55	Luhan Li

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
23857	2026-05-25 20:50:53	Lijiang-2.4m / YFOSC		Luhan Li	Xinjie Luo	YNTS	tns_2026nml_2026-05-25_20-50-52.98_Lijiang-2.4m_YFOSC_YNTS.dat		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 305213 of Group ZTF
Previous RA, DEC: 18:27:35.616, +18:48:25.97 (276.898399, +18.807213)
Updated RA, DEC: 18:27:35.636, +18:48:26.06 (276.8984848, +18.8072398)

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