2024ehs | Transient Name Server

RA/DEC (2000)

10:53:00.536 +17:34:21.40

163.2522338 +17.5726119

Type

SN II

Redshift

0.003776

Discovery Report Classification Report

Related AstroNotes: 2024-78, 2024-82, 2024-85

Reporting Group

ATLAS

Discovering Data Source

ATLAS

Discovery Date

2024-03-15 11:16:49.728

TNS AT

Y

Public

Y

Discovery Mag

18.098

Filter

orange-ATLAS

Reporter/s

J. Tonry, L. Denneau, H. Weiland, A. Lawrence, R. Siverd (IfA, University of Hawaii), N. Erasmus, W. Koorts (South African Astronomical Observatory), A. Jordan, V. Suc (UAI, Obstech), S. J. Smartt (Oxford/QUB), K. W. Smith, D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng, P. Ramsden, C. R. Angus (Queen's University Belfast), A. Aamer (QUB/Birmingham), L. Shingles (GSI/QUB), S. Srivastav, J. Gillanders, L. Rhodes, A. Andersson, H. Stevance (Oxford), A. Rest (STScI), T.-W. Chen (NCU), C. Stubbs (Harvard), J. Sommer (LMU/QUB)

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
	16835	2024-03-30 22:01:16	Other / Other	2404	R Leadbeater	R Leadbeater	None	tns_2024ehs_2024-03-30_22-01-16_Other_Other.dat	tns_2024ehs_2024-03-30_22-01-16_Other_Other.fit	Object			R~130 spectrum obtained using modified ALPY spectrograph at Three Hills Observatory as described here http://www.threehillsobservatory.co.uk/astro/spectroscopy_20.htm
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 R~130 spectrum obtained using modified ALPY spectrograph at Three Hills Observatory as described here http://www.threehillsobservatory.co.uk/astro/spectroscopy_20.htm
	16771	2024-03-16 13:49:25	Lijiang-2.4m / YFOSC	2400	Jujia Zhang		LiONS	tns_2024ehs_2024-03-16_13-49-25.360_Lijiang-2.4m_YFOSC_LiONS.dat		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

BG-q-BlackGem

BG4_BlackGEM-Cam4

2024-06-19 22:49:43 - 2024-06-19 22:49:43

2460481.4511921 - 2460481.4511921

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
463606	2024-06-19 22:49:43	2460481.4511921	17.17	0.03	19.52	ABMag	BG-q-BlackGem	BG4_BlackGEM-Cam4	60	robotic

BG-q-BlackGem

ML1_MeerLICHT-Cam

2021-11-03 14:54:15 - 2021-11-03 14:54:15

2459522.1210069 - 2459522.1210069

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
463605	2021-11-03 14:54:15	2459522.1210069			20.85	ABMag	BG-q-BlackGem	ML1_MeerLICHT-Cam	60	robotic	[Last non detection]

r-ZTF

P48_ZTF-Cam

2024-03-19 05:35:31 - 2024-03-19 05:35:31

2460388.733 - 2460388.733

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
396250	2024-03-19 05:35:31	2460388.733	16.58			ABMag	r-ZTF	P48_ZTF-Cam	30	ZTF

g-ZTF

P48_ZTF-Cam

2024-03-11 06:25:55 - 2024-03-19 07:40:48

2460380.768 - 2460388.82

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
396251	2024-03-19 07:40:48	2460388.82	16.68			ABMag	g-ZTF	P48_ZTF-Cam	30	ZTF
396249	2024-03-11 06:25:55	2460380.768			20.6	ABMag	g-ZTF	P48_ZTF-Cam	30	ZTF	[Last non detection]

orange-ATLAS

ATLAS-MLO_ATLAS-01

2024-03-15 11:16:50 - 2024-03-15 11:16:50

2460384.97002 - 2460384.97002

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
395670	2024-03-15 11:16:50	2460384.97002	18.098	0.09	19.11	ABMag	orange-ATLAS	ATLAS-MLO_ATLAS-01	30	Robot

orange-ATLAS

ATLAS-HKO_ATLAS-02

2024-03-13 11:04:29 - 2024-03-13 11:04:29

2460382.96145 - 2460382.96145

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
395669	2024-03-13 11:04:29	2460382.96145			19.53	ABMag	orange-ATLAS	ATLAS-HKO_ATLAS-02	30	Robot	[Last non detection]

Clear-

Other_Other

2016-04-06 20:03:29 - 2024-03-28 19:45:11

2457485.33575 - 2460398.32304

3

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
397643	2024-03-28 19:45:11	2460398.32304	15.4		18.2	VegaMag	Clear-	Other_Other	60	Robot	MASTER-Kislovodsk
397642	2024-03-28 19:05:29	2460398.29547	15.1		18.3	VegaMag	Clear-	Other_Other	60	Robot	MASTER-Kislovodsk
397641	2016-04-06 20:03:29	2457485.33575			20.2	VegaMag	Clear-	Other_Other	540	Robot	[Last non detection] MASTER-Kislovodsk

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

241808

2025-01-20 14:42:54

BlackGEM_Bot1

P. Groot, H. Tranin, F. Stoppa et al.

BlackGEM

BlackGEM

10:53:00.511

+17:34:21.31

2024-06-19 22:49:43.000

17.17

BG-q-BlackGem

1

PSN

BGEM J105300.51+173421.3

BlackGEM

N

Related files

File	Comments	Last Modified (UT)	Modified By
tns_2024ehs_atrep_241808_BlackGEM.pdf	Finding Chart	2025-01-20 14:42:57	BlackGEM_Bot1

206199

2024-03-30 01:35:39

MASTER

Ya.Kechin, V. Lipunov, V.Kornilov et al.

MASTER

MASTER

10:53:00.650

+17:34:22.30

2024-03-28 19:05:28.608

15.1

Clear-

PSN

MASTER OT J105300.65+173422.3

MASTER

N

205596

2024-03-19 08:27:20

ZTF_Bot1

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

ZTF

ZTF

10:53:00.536

+17:34:21.40

2024-03-19 05:35:31.200

16.58

r-ZTF

PSN

ZTF24aahgqwk

ZTF

N

205315

2024-03-15 23:52:49

ATLAS_Bot1

J. Tonry, L. Denneau, H. Weiland et al.

ATLAS

ATLAS

10:53:00.520

+17:34:21.52

2024-03-15 11:16:49.728

18.098

orange-ATLAS

PSN

ATLAS24dqq

ATLAS

2024TNSTR.701....1T

N

Classification Reports

ID

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

16748

2024-03-31 18:22:43

Robin Leadbeater

Robin Leadbeater

None

SN II

0.003776

1

2

Type II. SNID ( Blondin, S. & Tonry, J. L. 2007. ApJ, 666, 1024) suggests matches to IIb but Balmer lines still strong and He lines not obvious currently

2024TNSCR.872....1L

Related files

File	Comments	Last Modified (UT)	Modified By
tns_2024ehs_classrep_16748.png	SNID fit to IIb	2024-03-31 18:22:44	Robin Leadbeater
tns_2024ehs_classrep_16748_0.png	SNID fit to IIb	2024-03-31 18:22:44	Robin Leadbeater

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
16835	2024-03-30 22:01:16	Other / Other	2404	R Leadbeater	R Leadbeater	None	tns_2024ehs_2024-03-30_22-01-16_Other_Other.dat	tns_2024ehs_2024-03-30_22-01-16_Other_Other.fit	Object			R~130 spectrum obtained using modified ALPY spectrograph at Three Hills Observatory as described here http://www.threehillsobservatory.co.uk/astro/spectroscopy_20.htm

16684

2024-03-17 01:25:58

Liping Li

Liping Li, Yongzhi Cai, Qian Zhai, Jujia Zhang (YNAO); Xiaofeng Wang(THU); A. Pastorello (INAF-OAPd); A. Reguitti (INAF-OABrera)

LiONS

SN II

0.003776

1

LiONS

The spectrum shows significantly broad, blueshifted hydrogen absorption lines, which is similar to that of SN 1987A at extremely early phase. It is also possible that it is a 08ax-like SN IIb. Follow-ups in the next few days are needed for the important details.

2024TNSCR.724....1L

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
16771	2024-03-16 13:49:25	Lijiang-2.4m / YFOSC	2400	Jujia Zhang		LiONS	tns_2024ehs_2024-03-16_13-49-25.360_Lijiang-2.4m_YFOSC_LiONS.dat		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 205596 of Group ZTF
Previous RA, DEC: 10:53:00.520, +17:34:21.52 (163.252168571, +17.5726442857)
Updated RA, DEC: 10:53:00.536, +17:34:21.40 (163.2522338, 17.5726119)

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