2023ehl | Transient Name Server

RA/DEC (2000)

20:25:10.680 +05:15:24.41

306.2945 +5.256781

Type

SN Ia

Redshift

0.016

Discovery Report Classification Report

Reporting Group

ASAS-SN

Discovering Data Source

ASAS-SN

Discovery Date

2023-03-29 09:21:36.000

TNS AT

Y

Public

Y

Host Name

UGC 11555

Host Redshift

0.016158

Discovery Mag

17.2

Filter

g-Sloan

Reporter/s

K. Z. Stanek, K. Neumann, for the ASAS-SN team

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
	14689	2023-03-31 00:00:00	NOT / ALFOSC		NOT Staff		YSE	tns_2023ehl_2023-03-31_NOT_ALFOSC_YSE.txt		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

orange-ATLAS

ATLAS-CHL_ATLAS-04

2023-03-31 09:17:38 - 2023-03-31 09:17:38

2460034.88725 - 2460034.88725

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
334305	2023-03-31 09:17:38	2460034.88725	16.36	0.02	19.16	ABMag	orange-ATLAS	ATLAS-CHL_ATLAS-04	30	Robot

r-ZTF

P48_ZTF-Cam

2023-03-18 12:41:25 - 2023-03-18 12:41:25

2460022.02876 - 2460022.02876

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
335888	2023-03-18 12:41:25	2460022.02876			19.7575	ABMag	r-ZTF	P48_ZTF-Cam	30	None	[Last non detection]

g-ZTF

P48_ZTF-Cam

2023-04-08 11:34:19 - 2023-04-08 11:34:19

2460042.98216 - 2460042.98216

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
335889	2023-04-08 11:34:19	2460042.98216	15.3708		19.1784	ABMag	g-ZTF	P48_ZTF-Cam	30	None

g-Sloan

ASASSN-4_Leavitt

2023-03-27 10:48:00 - 2023-03-27 10:48:00

2460030.95 - 2460030.95

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
334143	2023-03-27 10:48:00	2460030.95			17.7	ABMag	g-Sloan	ASASSN-4_Leavitt			[Last non detection]

g-Sloan

ASASSN-3_Paczynski

2023-03-29 09:21:36 - 2023-03-29 09:21:36

2460032.89 - 2460032.89

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
334144	2023-03-29 09:21:36	2460032.89	17.2			ABMag	g-Sloan	ASASSN-3_Paczynski

G-Gaia

Gaia_Gaia-photometric

2023-03-13 11:05:17 - 2023-03-27 23:15:22

2460016.962 - 2460031.469

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
334219	2023-03-27 23:15:22	2460031.469	17.36	0.2		ABMag	G-Gaia	Gaia_Gaia-photometric	60	Robot
334218	2023-03-13 11:05:17	2460016.962			21.5	ABMag	G-Gaia	Gaia_Gaia-photometric		Robot	[Last non detection]

orange-ATLAS

ATLAS-HKO_ATLAS-02

2022-12-03 05:13:08 - 2022-12-03 05:13:08

2459916.71745 - 2459916.71745

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
334304	2022-12-03 05:13:08	2459916.71745			18.92	ABMag	orange-ATLAS	ATLAS-HKO_ATLAS-02	30	Robot	[Last non detection]

w-P1

PS1_GPC1

2023-05-26 12:59:50 - 2023-05-26 12:59:50

2460091.04155 - 2460091.04155

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
345159	2023-05-26 12:59:50	2460091.04155	17.42	0.01	22	ABMag	w-P1	PS1_GPC1	45	Robot

g-Sloan

ASASSN-1_Brutus

2023-03-30 14:24:00 - 2023-03-30 14:24:00

2460034.1 - 2460034.1

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
334145	2023-03-30 14:24:00	2460034.1	16.6			ABMag	g-Sloan	ASASSN-1_Brutus

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
178697	2023-05-27 09:12:28	PS1_Bot1	K. C. Chambers, T. de Boer, J. Bulger et al.	Pan-STARRS	Pan-STARRS	20:25:10.686	+05:15:24.45	2023-05-26 12:59:49.920	17.42	w-P1		PSN		PS23dmk	Pan-STARRS				N
174342	2023-04-11 20:00:13	ZTF_CLU_PUBLIC	K. De (Caltech) on behalf of ZTF	ZTF	ZTF	20:25:10.684	+05:15:24.54	2023-04-08 11:34:18.624	15.3708	g-ZTF		PSN		ZTF23aaekiqe	ZTF				N
173479	2023-03-31 21:19:24	ATLAS_Bot1	J. Tonry, L. Denneau, H. Weiland et al.	ATLAS	ATLAS	20:25:10.687	+05:15:24.43	2023-03-31 09:17:38.400	16.36	orange-ATLAS		PSN		ATLAS23epv	ATLAS				N
173421	2023-03-30 22:22:11	Gaia_Bot1	S.T. Hodgkin, E. Breedt, A. Delgado et al.	GaiaAlerts	GaiaAlerts	20:25:10.680	+05:15:24.41	2023-03-27 23:15:21.600	17.36	G-Gaia		PSN		Gaia23bhn	GaiaAlerts		Candidate SN near galaxy UGC 11555		N
173395	2023-03-30 16:32:36	Krzysztof Stanek	K. Z. Stanek, K. Neumann, for the ASAS-SN team	ASAS-SN	ASAS-SN	20:25:10.747	+05:15:24.34	2023-03-29 09:21:36.000	17.2	g-Sloan		PSN	UGC 11555	ASASSN-23ch	ASAS-SN		Present in two epochs, on the rise	2023TNSTR.674....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

14615

2023-04-02 19:59:02

Charlotte Angus

C. Angus

YSE

SN Ia

0.016

1

YSE

2023TNSCR.705....1A

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
14689	2023-03-31 00:00:00	NOT / ALFOSC		NOT Staff		YSE	tns_2023ehl_2023-03-31_NOT_ALFOSC_YSE.txt		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 173421 of Group GaiaAlerts
Previous RA, DEC: 20:25:10.747, +05:15:24.34 (306.29478, +5.25676)
Updated RA, DEC: 20:25:10.680, +05:15:24.41 (306.2945, 5.256781)

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