2024gqu | Transient Name Server

RA/DEC (2000)

15:05:58.659 +40:17:23.94

226.494412899 +40.2899828515

Type

SN Ia

Redshift

0.076

Discovery Report Classification Report

Reporting Group

ZTF

Discovering Data Source

ZTF

Discovery Date

2024-04-12 09:08:04.004

TNS AT

Y

Public

Y

Discovery Mag

19.6192

Filter

g-ZTF

Reporter/s

Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU), 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
	17076	2024-05-03 00:14:52	LT / SPRAT		Jacob Wise, K-Ryan Hinds, Daniel Perley, Aleksandra Bochenek	Jacob Wise	ZTF	tns_2024gqu_2024-05-03_00-14-52.093_LT_SPRAT_ZTF.spec		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

2024-04-07 09:15:23 - 2024-04-07 09:15:23

2460407.8856829 - 2460407.8856829

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
401231	2024-04-07 09:15:23	2460407.8856829			20.6536	ABMag	r-ZTF	P48_ZTF-Cam			[Last non detection]

g-ZTF

P48_ZTF-Cam

2024-04-12 09:08:04 - 2024-04-16 07:53:56

2460412.8806019 - 2460416.8291204

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
401233	2024-04-16 07:53:56	2460416.8291204	18.6138	0.159985		ABMag	g-ZTF	P48_ZTF-Cam
401232	2024-04-12 09:08:04	2460412.8806019	19.6192	0.135046		ABMag	g-ZTF	P48_ZTF-Cam

orange-ATLAS

ATLAS-MLO_ATLAS-01

2024-04-16 11:59:39 - 2024-04-16 11:59:39

2460416.99976 - 2460416.99976

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
401729	2024-04-16 11:59:39	2460416.99976			18.18	ABMag	orange-ATLAS	ATLAS-MLO_ATLAS-01	30	Robot	[Last non detection]

orange-ATLAS

ATLAS-HKO_ATLAS-02

2024-04-17 10:35:32 - 2024-04-17 10:35:32

2460417.94134 - 2460417.94134

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
401730	2024-04-17 10:35:32	2460417.94134	18.848	0.177	19.26	ABMag	orange-ATLAS	ATLAS-HKO_ATLAS-02	30	Robot

i-P1

PS1_GPC1

2024-04-23 12:59:02 - 2024-04-23 12:59:02

2460424.041 - 2460424.041

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
403437	2024-04-23 12:59:02	2460424.041	18.59	0.08	20.7	ABMag	i-P1	PS1_GPC1	45	Robot

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
208967	2024-05-01 21:54:34	PS1_Bot1	K. C. Chambers, T. de Boer, J. Herman et al.	Pan-STARRS	Pan-STARRS	15:05:58.659	+40:17:23.94	2024-04-23 12:59:02.400	18.59	i-P1		PSN		PS24ccp	Pan-STARRS				N
208050	2024-04-19 14:15:47	ATLAS_Bot1	J. Tonry, L. Denneau, H. Weiland et al.	ATLAS	ATLAS	15:05:58.632	+40:17:23.94	2024-04-17 10:35:31.776	18.848	orange-ATLAS		PSN		ATLAS24fzi	ATLAS				N
207798	2024-04-16 08:24:03	Fritz	Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al.	ZTF	ZTF	15:05:58.659	+40:17:23.83	2024-04-12 09:08:04.004	19.6192	g-ZTF		PSN		ZTF24aajhxqs	ZTF			2024TNSTR1086....1S	N

Classification Reports

ID

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

16989

2024-05-03 11:06:01

Jacob Wise

Jacob Wise (LJMU), K-Ryan Hinds (LJMU), Daniel Perley (LJMU), Aleksandra Bochenek (LJMU)

ZTF

SN Ia

0.076

1

1

ZTF

Spectrum is well fit by SN Ia template spectra at z=0.076±0.003. The spectrum's weak Si II, and strong Fe III absorption combined with its high luminousity (M<-19.5 at peak), suggest that this could be a SN Ia-91T. However our spectral fits could not definitively constrain it to this subclass. Classification performed using Next Generation Superfit (NGSF, Goldwasser et al. 2022).

2024TNSCR1374....1W

Related files

File	Comments	Last Modified (UT)	Modified By
tns_2024gqu_classrep_16989_ZTF.pdf		2024-05-03 11:06:01	Jacob Wise

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
17076	2024-05-03 00:14:52	LT / SPRAT		Jacob Wise, K-Ryan Hinds, Daniel Perley, Aleksandra Bochenek	Jacob Wise	ZTF	tns_2024gqu_2024-05-03_00-14-52.093_LT_SPRAT_ZTF.spec		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 208967 of Group Pan-STARRS
Previous RA, DEC: 15:05:58.659, +40:17:23.83 (226.494411, +40.289953)
Updated RA, DEC: 15:05:58.659, +40:17:23.94 (226.494412899, 40.2899828515)

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