2024hl | Transient Name Server

RA/DEC (2000)

05:54:44.270 -35:19:13.48

88.684458 -35.320411

Type

SN Ia

Redshift

0.041

Discovery Report Classification Report

Reporting Group

ATLAS

Discovering Data Source

ATLAS

Discovery Date

2024-01-05 04:26:03.264

TNS AT

Public

Discovery Mag

19.122

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 (Queen's University Belfast), A. Aamer (QUB/Birmingham), L. Shingles (GSI/QUB), S. Srivastav, S. Ramaiya, 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

▌

ATLAS-CHL_ATLAS-04_orange

▌

Gaia_Gaia-photometric_G

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
	16495	2024-01-12 21:05:16	Other / Other	1800	Simon de Wet	Simon de Wet	MeerLICHT	tns_2024hl_2024-01-12_21-05-16_Other_Other_MeerLICHT.dat		Object			We observed AT 2024hl with the SpUpNIC spectrograph mounted on the SAAO 1.9m telescope, employing the low resolution Grating 7 encompassing the wavelength range of 4000-9000 Angstroms.
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 We observed AT 2024hl with the SpUpNIC spectrograph mounted on the SAAO 1.9m telescope, employing the low resolution Grating 7 encompassing the wavelength range of 4000-9000 Angstroms.

Light Curves

Filter

Tel / Inst

Obs-date range

JD Range

Photometry

orange-ATLAS

ATLAS-CHL_ATLAS-04

2024-01-04 05:04:54 - 2024-01-05 04:26:03

2460313.71174 - 2460314.68476

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
383855	2024-01-05 04:26:03	2460314.68476	19.122	0.178	19.43	ABMag	orange-ATLAS	ATLAS-CHL_ATLAS-04	30	Robot
383854	2024-01-04 05:04:54	2460313.71174			19.44	ABMag	orange-ATLAS	ATLAS-CHL_ATLAS-04	30	Robot	[Last non detection]

G-Gaia

Gaia_Gaia-photometric

2023-11-24 23:48:29 - 2024-01-07 15:37:26

2460273.492 - 2460317.151

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
385191	2024-01-07 15:37:26	2460317.151	18.05	0.2		ABMag	G-Gaia	Gaia_Gaia-photometric	60	Robot
385190	2023-11-24 23:48:29	2460273.492			21.5	ABMag	G-Gaia	Gaia_Gaia-photometric		Robot	[Last non detection]

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
199428	2024-01-09 16:51:53	Gaia_Bot1	S.T. Hodgkin, E. Breedt, A. Delgado et al.	GaiaAlerts	GaiaAlerts	05:54:44.270	-35:19:13.48	2024-01-07 15:37:26.400	18.05	G-Gaia		PSN		Gaia24aep	GaiaAlerts		candidate SN in galaxy LEDA 3705095		N
198790	2024-01-05 09:42:13	ATLAS_Bot1	J. Tonry, L. Denneau, H. Weiland et al.	ATLAS	ATLAS	05:54:44.276	-35:19:13.58	2024-01-05 04:26:03.264	19.122	orange-ATLAS		PSN		ATLAS24afc	ATLAS			2024TNSTR..37....1T	N

Classification Reports

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

16408

2024-01-13 17:51:39

Simon de Wet

MeerLICHT

SN Ia

0.041

BlackGEM, MeerLICHT

Spectral template matching with SNID (Blondin & Tonry 2007) shows a good match with a normal type Ia supernova observed approximately 9 days before maximum brightness. We report the redshift estimation from SNID.

2024TNSCR.139....1D

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
16495	2024-01-12 21:05:16	Other / Other	1800	Simon de Wet	Simon de Wet	MeerLICHT	tns_2024hl_2024-01-12_21-05-16_Other_Other_MeerLICHT.dat		Object			We observed AT 2024hl with the SpUpNIC spectrograph mounted on the SAAO 1.9m telescope, employing the low resolution Grating 7 encompassing the wavelength range of 4000-9000 Angstroms.

Comments

Object coordinates updated

Object coordinates updated according to AT-report 199428 of Group GaiaAlerts
Previous RA, DEC: 05:54:44.276, -35:19:13.58 (88.684485, -35.3204375)
Updated RA, DEC: 05:54:44.270, -35:19:13.48 (88.684458, -35.320411)

SN 2024hl

Spectra

Light curves

Comments

Object coordinates updated