2023ocm | Transient Name Server

RA/DEC (2000)

16:08:06.514 +25:29:06.05

242.027142555 +25.4850143891

Type

SN Ia

Redshift

0.042

Discovery Report Classification Report

Reporting Group

ZTF

Discovering Data Source

ZTF

Discovery Date

2023-07-26 06:38:52.800

TNS AT

Y

Public

Y

Discovery Mag

20.4

Filter

g-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

▌

ATLAS-HKO_ATLAS-02_orange

▌

PS1_GPC1_z

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
	15425	2023-08-09 06:18:35	Lick-3m / KAST		K. Taggart	K. Taggart	UCSC	tns_2023ocm_2023-08-09_06-18-35.22_Lick-3m_KAST_UCSC.flm		Object			The spectrum is very red. We measure a Na D EW of -2.9 A. We measure a Si II 6355 absorption velocity of -11,400 km/s.
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 The spectrum is very red. We measure a Na D EW of -2.9 A. We measure a Si II 6355 absorption velocity of -11,400 km/s.

Light Curves

Filter

Tel / Inst

Obs-date range

JD Range

Photometry

r-ZTF

P48_ZTF-Cam

2023-07-28 05:25:26 - 2023-07-28 05:25:26

2460153.726 - 2460153.726

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
354736	2023-07-28 05:25:26	2460153.726	19.5			ABMag	r-ZTF	P48_ZTF-Cam	30	ZTF

g-ZTF

P48_ZTF-Cam

2023-07-24 06:38:53 - 2023-07-26 06:38:53

2460149.777 - 2460151.777

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
354735	2023-07-26 06:38:53	2460151.777	20.4			ABMag	g-ZTF	P48_ZTF-Cam	30	ZTF
354734	2023-07-24 06:38:53	2460149.777			20.25	ABMag	g-ZTF	P48_ZTF-Cam	30	ZTF	[Last non detection]

orange-ATLAS

ATLAS-HKO_ATLAS-02

2023-08-01 08:04:30 - 2023-08-03 06:48:09

2460157.83646 - 2460159.78344

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
355389	2023-08-03 06:48:09	2460159.78344	18.67	0.16	19.24	ABMag	orange-ATLAS	ATLAS-HKO_ATLAS-02	30	Robot
355388	2023-08-01 08:04:30	2460157.83646			18.77	ABMag	orange-ATLAS	ATLAS-HKO_ATLAS-02	30	Robot	[Last non detection]

z-P1

PS1_GPC1

2023-08-03 07:58:01 - 2023-08-03 07:58:01

2460159.83196 - 2460159.83196

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
355328	2023-08-03 07:58:01	2460159.83196	18.54	0.08	20.4	ABMag	z-P1	PS1_GPC1	27	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
183771	2023-08-03 18:06:35	ATLAS_Bot1	J. Tonry, L. Denneau, H. Weiland et al.	ATLAS	ATLAS	16:08:06.501	+25:29:06.26	2023-08-03 06:48:09.216	18.67	orange-ATLAS		PSN		ATLAS23qbw	ATLAS				N
183735	2023-08-03 10:49:51	YSE_Bot1	D. O. Jones (UC Santa Cruz), K. D. French (Carnegie, Illinois), A. Agnello et al.	YSE	Pan-STARRS	16:08:06.514	+25:29:06.05	2023-08-03 07:58:01.344	18.54	z-P1		PSN		PS23fyv	Pan-STARRS, YSE				N
183376	2023-07-28 07:24:54	ZTF_Bot1	C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) collaboration	ZTF	ZTF	16:08:06.507	+25:29:05.98	2023-07-26 06:38:52.800	20.4	g-ZTF		PSN		ZTF23aavaaox	ZTF			2023TNSTR1800....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

15350

2023-08-10 02:58:52

Kirsty Taggart

Kirsty Taggart

UCSC

SN Ia

0.042

1

UCSC

2023TNSCR1922....1T

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
15425	2023-08-09 06:18:35	Lick-3m / KAST		K. Taggart	K. Taggart	UCSC	tns_2023ocm_2023-08-09_06-18-35.22_Lick-3m_KAST_UCSC.flm		Object			The spectrum is very red. We measure a Na D EW of -2.9 A. We measure a Si II 6355 absorption velocity of -11,400 km/s.

Comments

Object coordinates updated

Object coordinates updated according to AT-report 183735 of Group Pan-STARRS
Previous RA, DEC: 16:08:06.507, +25:29:05.98 (242.0271137, +25.4849947)
Updated RA, DEC: 16:08:06.514, +25:29:06.05 (242.027142555, 25.4850143891)

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