2026ljp | Transient Name Server

RA/DEC (2000)

11:26:05.125 +54:30:50.39

171.521354 +54.5139967

Type

SN Ia

Redshift

0.074

Discovery Report Classification Report

Reporting Group

ATLAS

Discovering Data Source

ATLAS

Discovery Date

2026-05-04 08:34:22.080

TNS AT

Public

Discovery Mag

18.912

Filter

orange-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

▌

P48_ZTF-Cam_r

▌

P48_ZTF-Cam_g

▌

ATLAS-MLO_ATLAS-01_orange

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
	23687	2026-05-12 03:52:08	P60 / SEDM	2700	SEDmRobot	auto	ZTF	tns_2026ljp_2026-05-12_03-52-08.253152_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

r-ZTF

P48_ZTF-Cam

2026-05-07 05:47:53 - 2026-05-09 07:00:45

2461167.7415856 - 2461169.7921875

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
580669	2026-05-09 07:00:45	2461169.7921875	18.419	0.0533418		ABMag	r-ZTF	P48_ZTF-Cam
580668	2026-05-07 05:47:53	2461167.7415856	18.7306	0.0713212		ABMag	r-ZTF	P48_ZTF-Cam

g-ZTF

P48_ZTF-Cam

2026-05-02 04:25:43 - 2026-05-02 04:25:43

2461162.6845255 - 2461162.6845255

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
580667	2026-05-02 04:25:43	2461162.6845255			19.4024	ABMag	g-ZTF	P48_ZTF-Cam			[Last non detection]

orange-ATLAS

ATLAS-MLO_ATLAS-01

2026-05-03 08:34:00 - 2026-05-04 08:34:22

2461163.85694 - 2461164.8572

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
579543	2026-05-04 08:34:22	2461164.8572	18.912	0.192	18.96	ABMag	orange-ATLAS	ATLAS-MLO_ATLAS-01	30	Robot
579542	2026-05-03 08:34:00	2461163.85694			18.82	ABMag	orange-ATLAS	ATLAS-MLO_ATLAS-01	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
302813	2026-05-09 18:43:39	Fritz	Anirudh Salgundi (UNC), Igor Andreoni (UNC), Theophile Du Laz (Caltech) et al.	ZTF	ZTF	11:26:05.125	+54:30:50.39	2026-05-07 05:47:52.995	18.7306	r-ZTF		PSN		ZTF26aauwadk	ZTF				N
302307	2026-05-05 08:17:25	ATLAS_Bot1	J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al.	ATLAS	ATLAS	11:26:05.148	+54:30:50.48	2026-05-04 08:34:22.080	18.912	orange-ATLAS		PSN		ATLAS26fdd	ATLAS			2026TNSTR1938....1T	N

Classification Reports

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

23684

2026-05-12 04:50:07

ZTF_Bot1

C. Fremling and J. Purdum on behalf of the SEDM Team (Caltech) and the Zwicky Transient Facility (ZTF) based on SNIascore

ZTF

SN Ia

0.074

ZTF

2026TNSCR2066....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
23687	2026-05-12 03:52:08	P60 / SEDM	2700	SEDmRobot	auto	ZTF	tns_2026ljp_2026-05-12_03-52-08.253152_P60_SEDM_ZTF.ascii		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 302813 of Group ZTF
Previous RA, DEC: 11:26:05.148, +54:30:50.48 (171.521448333, +54.5140233333)
Updated RA, DEC: 11:26:05.125, +54:30:50.39 (171.521354, +54.5139967)

SN 2026ljp

Spectra

Light curves

Comments

Object coordinates updated