2023zew | Transient Name Server

RA/DEC (2000)

06:36:51.896 +37:34:12.18

99.2162323295 +37.5700508471

Type

SN Ia

Redshift

0.024

Discovery Report Classification Report

Reporting Group

ZTF

Discovering Data Source

ZTF

Discovery Date

2023-12-09 06:50:23.000

TNS AT

Y

Public

Y

Discovery Mag

17.4

Filter

r-ZTF

Reporter/s

C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) collaboration

NED SIMBAD DECaLS PanSTARRS-1 SkyMapper VizieR WISE DSS ADS

Light curves

▌

P48_ZTF-Cam_r

▌

P48_ZTF-Cam_g

▌

PS1_GPC1_w

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
	16267	2023-12-10 19:48:00	Ekar / AFOSC	1800	A. Reguitti	A. Reguitti	Padova-Asiago	tns_2023zew_2023-12-10_19-48-00_Ekar_AFOSC_Padova-Asiago.ascii	tns_2023zew_2023-12-10_19-48-00_Ekar_AFOSC_Padova-Asiago.fits	Object			Not corrected for telluric absorptions. Traces of Halpha emission from the host galaxy at z=0.022 are still present.
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 Not corrected for telluric absorptions. Traces of Halpha emission from the host galaxy at z=0.022 are still present.

Light Curves

Filter

Tel / Inst

Obs-date range

JD Range

Photometry

r-ZTF

P48_ZTF-Cam

2023-11-14 11:41:17 - 2023-12-09 06:50:23

2460262.987 - 2460287.7849884

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
377715	2023-12-09 06:50:23	2460287.7849884	17.4			ABMag	r-ZTF	P48_ZTF-Cam	30	ZTF
377714	2023-11-14 11:41:17	2460262.987			20.64	ABMag	r-ZTF	P48_ZTF-Cam	30	ZTF	[Last non detection]

g-ZTF

P48_ZTF-Cam

2023-12-09 07:29:17 - 2023-12-09 07:29:17

2460287.812 - 2460287.812

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
377716	2023-12-09 07:29:17	2460287.812	17.72			ABMag	g-ZTF	P48_ZTF-Cam	30	ZTF

w-P1

PS1_GPC1

2024-01-03 09:09:24 - 2024-01-03 09:09:24

2460312.88153 - 2460312.88153

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
383675	2024-01-03 09:09:24	2460312.88153	17.33	0.01	22	ABMag	w-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
198686	2024-01-04 10:51:48	PS1_Bot1	K. C. Chambers, T. de Boer, J. Herman et al.	Pan-STARRS	Pan-STARRS	06:36:51.896	+37:34:12.18	2024-01-03 09:09:24.192	17.33	w-P1		PSN		PS24ce	Pan-STARRS				N
195472	2023-12-09 09:38:40	ZTF_Bot1	C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) collaboration	ZTF	ZTF	06:36:51.887	+37:34:12.27	2023-12-09 06:50:23.000	17.4	r-ZTF		PSN		ZTF23absguth	ZTF			2023TNSTR3177....1F	N

Classification Reports

ID

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

16181

2023-12-11 09:53:44

Andrea Reguitti

Andrea Reguitti

Padova-Asiago

SN Ia

0.024

1

2

Padova-Asiago

Using GELATO the best-fit is found with SN 2002er (SN Ia) at z=0.024, 10 days before maximum. Instead, the best-fit found by SNID is with SN 1999ee (normal SN Ia) at z=0.022, onw week before maximum.

2023TNSCR3199....1R

Related files

File	Comments	Last Modified (UT)	Modified By
tns_2023zew_classrep_16181_Padova-Asiago.png	Best-fit plot by GELATO.	2023-12-11 09:53:45	Andrea Reguitti
tns_2023zew_classrep_16181_Padova-Asiago.ps	Best-fit plot by SNID.	2023-12-11 09:53:45	Andrea Reguitti

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
16267	2023-12-10 19:48:00	Ekar / AFOSC	1800	A. Reguitti	A. Reguitti	Padova-Asiago	tns_2023zew_2023-12-10_19-48-00_Ekar_AFOSC_Padova-Asiago.ascii	tns_2023zew_2023-12-10_19-48-00_Ekar_AFOSC_Padova-Asiago.fits	Object			Not corrected for telluric absorptions. Traces of Halpha emission from the host galaxy at z=0.022 are still present.

Comments

Object coordinates updated

Object coordinates updated according to AT-report 198686 of Group Pan-STARRS
Previous RA, DEC: 06:36:51.887, +37:34:12.27 (99.2161941, +37.5700747)
Updated RA, DEC: 06:36:51.896, +37:34:12.18 (99.2162323295, 37.5700508471)

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