2023bbd | Transient Name Server

RA/DEC (2000)

13:48:24.360 -43:14:59.28

207.1015 -43.2498

Type

SN Ia

Redshift

0.043

Discovery Report Classification Report

Reporting Group

ASAS-SN

Discovering Data Source

ASAS-SN

Discovery Date

2023-01-28 06:43:12.000

TNS AT

Y

Public

Y

Host Name

PGC551079

Discovery Mag

17.1

Filter

g-Sloan

Reporter/s

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

NED SIMBAD DECaLS PanSTARRS-1 SkyMapper VizieR WISE DSS ADS

Light curves

▌

Gaia_Gaia-photometric_G

▌

ASASSN-2_Cassius_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
	14973	2023-02-01 02:02:11	Other / Other	900	Orapeleng Mogawana	Orapeleng Mogawana	MeerLICHT	tns_2023bbd_2023-02-01_02-02-10.833_Other_Other_MeerLICHT.dat		Object			The spectrum was taken with the SAAO's 1-m Lesedi-MOOKODI low-resolution spectrograph and imager using a 2" slit and an average spectral resolution of R = 374.4.
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 was taken with the SAAO's 1-m Lesedi-MOOKODI low-resolution spectrograph and imager using a 2" slit and an average spectral resolution of R = 374.4.

Light Curves

Filter

Tel / Inst

Obs-date range

JD Range

Photometry

G-Gaia

Gaia_Gaia-photometric

2022-08-23 00:59:02 - 2023-01-13 08:47:02

2459814.541 - 2459957.866

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
329116	2023-01-13 08:47:02	2459957.866	18.16	0.2		ABMag	G-Gaia	Gaia_Gaia-photometric	60	Robot
329115	2022-08-23 00:59:02	2459814.541			21.5	ABMag	G-Gaia	Gaia_Gaia-photometric		Robot	[Last non detection]

g-Sloan

ASASSN-2_Cassius

2023-01-13 06:57:36 - 2023-01-28 06:43:12

2459957.79 - 2459972.78

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
328141	2023-01-28 06:43:12	2459972.78	17.1			ABMag	g-Sloan	ASASSN-2_Cassius
328140	2023-01-13 06:57:36	2459957.79			17.7	ABMag	g-Sloan	ASASSN-2_Cassius			[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
170715	2023-02-10 12:41:16	Gaia_Bot1	S.T. Hodgkin,E. Breedt,A. Delgado et al.	GaiaAlerts	GaiaAlerts	13:48:24.360	-43:14:59.28	2023-01-13 08:47:02.400	18.16	G-Gaia		PSN		Gaia23aqc	GaiaAlerts		candidate SN near galaxy LEDA 551079		N
170212	2023-01-29 03:37:30	Krzysztof Stanek	K. Z. Stanek,for the ASAS-SN team et al.	ASAS-SN	ASAS-SN	13:48:24.319	-43:14:59.57	2023-01-28 06:43:12.000	17.1	g-Sloan		PSN	PGC551079	ASASSN-23aj	ASAS-SN		Present in several epochs, unknown redshift host galaxy	2023TNSTR.235....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

14899

2023-05-16 09:44:47

Orapeleng Mogawana

Orapeleng Mogawana(UCT/SAAO), Paul Groot (Radboud/UCT/SAAO)

MeerLICHT

SN Ia

0.043

1

BlackGEM, MeerLICHT

Our supernova template matching analysis using SNID (Blondin & Tonry 2007) suggests this is a normal Type Ia supernova, observed at 6-10 post maximum brightness. The reported redshift is adopted from SNID.

2023TNSCR1127....1M

Related files

File	Comments	Last Modified (UT)	Modified By
tns_2023bbd_classrep_14899_MeerLICHT.ps		2023-05-16 09:44:47	Orapeleng Mogawana

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
14973	2023-02-01 02:02:11	Other / Other	900	Orapeleng Mogawana	Orapeleng Mogawana	MeerLICHT	tns_2023bbd_2023-02-01_02-02-10.833_Other_Other_MeerLICHT.dat		Object			The spectrum was taken with the SAAO's 1-m Lesedi-MOOKODI low-resolution spectrograph and imager using a 2" slit and an average spectral resolution of R = 374.4.

Comments

Object coordinates updated

Object coordinates updated according to AT-report 170715 of Group GaiaAlerts
Previous RA, DEC: 13:48:24.319, -43:14:59.57 (207.10133, -43.24988)
Updated RA, DEC: 13:48:24.360, -43:14:59.28 (207.1015, -43.2498)

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