2024gbc | Transient Name Server

RA/DEC (2000)

14:34:31.495 +58:18:32.96

218.6312277 +58.309155

Type

SN IIn

Redshift

0.0517

Discovery Report Classification Report

Reporting Group

ALeRCE

Discovering Data Source

ZTF

Discovery Date

2024-04-08 07:47:34.002

TNS AT

Public

Host Name

SDSS J143431.26+581830.6

Host Redshift

0.05165188

Discovery Mag

18.1809

Filter

g-ZTF

Reporter/s

A. Munoz-Arancibia, F.E. Bauer, F. Forster, G. Pignata, A. Mourao, L. Hernandez-Garcia, L. Galbany, J. Silva-Farfan, R. Dastidar, J.P. Brandt, A. Alvarez, G. Cabrera-Vives, R. Carrasco-Davis, P.A. Estevez, P. Gallardo, P. Huijse, H. Larranaga, E. Pizarro, I. Reyes, P. Sanchez-Saez, A. Sepulveda, D. Rodriguez-Mancini, M. Catelan, S. Eyheramendy, M.J. Graham on behalf of the ALeRCE broker

NED SIMBAD DECaLS PanSTARRS-1 SkyMapper VizieR WISE DSS ADS

Light curves

▌

P48_ZTF-Cam_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
	17024	2024-04-22 04:45:25	LT / SPRAT		Jacob Wise, K-Ryan Hinds, Daniel Perley, Aleksandra Bochenek	Jacob Wise	ZTF	tns_2024gbc_2024-04-22_04-45-24.666_LT_SPRAT_ZTF.spec		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

g-ZTF

P48_ZTF-Cam

2024-04-04 09:51:47 - 2024-04-08 08:07:57

2460404.9109606 - 2460408.8388542

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
399786	2024-04-08 08:07:57	2460408.8388542	18.178	0.0614365	20.5092	ABMag	g-ZTF	P48_ZTF-Cam	30	Robot	Data provided by ZTF
399785	2024-04-08 07:47:34	2460408.8246991	18.1809	0.0663421	20.5358	ABMag	g-ZTF	P48_ZTF-Cam	30	Robot	Data provided by ZTF
399784	2024-04-04 09:51:47	2460404.9109606			20.407	ABMag	g-ZTF	P48_ZTF-Cam	30	Robot	[Last non detection] Data provided by ZTF

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
207177	2024-04-09 00:54:19	ALeRCE	A. Munoz-Arancibia, F.E. Bauer, F. Forster et al.	ALeRCE	ZTF	14:34:31.495	+58:18:32.96	2024-04-08 07:47:34.002	18.1809	g-ZTF		PSN	SDSS J143431.26+581830.6	ZTF24aaisnlp	ALeRCE		Early SN candidate (g-rise > 0.59+-0.02 mag/day) classified using ALeRCE's stamp classifier (Carrasco-Davis et al. 2021) and the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF24aaisnlp	2024TNSTR.988....1M	N

Classification Reports

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

16937

2024-04-22 13:16:52

Jacob Wise

Jacob Wise (LJMU), K-Ryan Hinds (LJMU), Daniel Perley (LJMU), Aleksandra Bochenek (LJMU)

ZTF

SN IIn

0.0517

ZTF

Spectrum is mostly featureless with strong hydrogen emission. Prominent [OIII] emission is visible in host SDSS spectrum, but is mostly absent in transient spectrum. Combined with a rise time of ~20 days so far, we classify this as a SN IIn at z=0.0517.

2024TNSCR1181....1W

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
17024	2024-04-22 04:45:25	LT / SPRAT		Jacob Wise, K-Ryan Hinds, Daniel Perley, Aleksandra Bochenek	Jacob Wise	ZTF	tns_2024gbc_2024-04-22_04-45-24.666_LT_SPRAT_ZTF.spec		Object

SN 2024gbc

Spectra

Light curves

Comments