2022fpo | Transient Name Server

RA/DEC (2000)

20:20:49.400 -48:14:27.17

305.205833 -48.240881

Type

SN Ia-91bg-like

Redshift

0.010194

Discovery Report Classification Report

Reporting Group

ASAS-SN

Discovering Data Source

ASAS-SN

Discovery Date

2022-04-01 08:38:24.000

TNS AT

Y

Public

Y

Host Name

NGC 6893

Host Redshift

0.010194

Discovery Mag

15.4

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

▌

ASASSN-5_Payne-Gaposchkin_g

▌

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
	12335	2022-04-20 03:00:00	Other / Other	1200	Orapeleng Mogawana	Orapeleng Mogawana	MeerLICHT	tns_2022fpo_2022-04-20_03-00-00_Other_Other_MeerLICHT.dat		Object			The spectrum was obtained using the Cassegrain Spectrograph (SpUpNIC) on the SAAO's 74-inch (1.9-m) telescope using a grating of 7 and a grating angle of 16.2 with an average spectral resolution of 300.
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 obtained using the Cassegrain Spectrograph (SpUpNIC) on the SAAO's 74-inch (1.9-m) telescope using a grating of 7 and a grating angle of 16.2 with an average spectral resolution of 300.

Light Curves

Filter

Tel / Inst

Obs-date range

JD Range

Photometry

g-Sloan

ASASSN-5_Payne-Gaposchkin

2022-03-28 02:38:24 - 2022-03-28 02:38:24

2459666.61 - 2459666.61

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
273398	2022-03-28 02:38:24	2459666.61			17	ABMag	g-Sloan	ASASSN-5_Payne-Gaposchkin			[Last non detection]

G-Gaia

Gaia_Gaia-photometric

2021-12-04 22:16:19 - 2022-03-26 05:02:24

2459553.428 - 2459664.71

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
274679	2022-03-26 05:02:24	2459664.71	18.04	0.2		ABMag	G-Gaia	Gaia_Gaia-photometric	60	Robot
274678	2021-12-04 22:16:19	2459553.428			21.5	ABMag	G-Gaia	Gaia_Gaia-photometric		Robot	[Last non detection]

g-Sloan

ASASSN-2_Cassius

2022-04-01 08:38:24 - 2022-04-01 08:38:24

2459670.86 - 2459670.86

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
273399	2022-04-01 08:38:24	2459670.86	15.4			ABMag	g-Sloan	ASASSN-2_Cassius

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
143640	2022-04-04 17:03:51	Gaia_Bot1	S.T. Hodgkin, E. Breedt, A. Delgado et al.	GaiaAlerts	GaiaAlerts	20:20:49.400	-48:14:27.17	2022-03-26 05:02:24.000	18.04	G-Gaia		PSN		Gaia22bhr	GaiaAlerts		candidate SN near galaxy NGC 6893		N
142881	2022-04-01 21:42:01	Krzysztof Stanek	K. Z. Stanek, for the ASAS-SN team	ASAS-SN	ASAS-SN	20:20:49.426	-48:14:26.48	2022-04-01 08:38:24.000	15.4	g-Sloan		PSN	NGC 6893	ASASSN-22ep	ASAS-SN		Present in two epochs, on the rise	2022TNSTR.835....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

12277

2022-04-20 19:33:38

Orapeleng Mogawana

Orapeleng Mogawana, Paul Groot

MeerLICHT

SN Ia-91bg-like

0.010194

1

1

BlackGEM, MeerLICHT

Our SN template analysis using SNID (Blondin & Tonry 2007) suggests that this spectrum resembles that of a Type Ia-91bg supernova, between 12 and 27 days post maximum. The reported redshift is adopted from the host galaxy.

2022TNSCR1025....1M

Related files

File	Comments	Last Modified (UT)	Modified By
tns_2022fpo_classrep_12277_MeerLICHT.ps		2022-04-20 19:33:38	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
12335	2022-04-20 03:00:00	Other / Other	1200	Orapeleng Mogawana	Orapeleng Mogawana	MeerLICHT	tns_2022fpo_2022-04-20_03-00-00_Other_Other_MeerLICHT.dat		Object			The spectrum was obtained using the Cassegrain Spectrograph (SpUpNIC) on the SAAO's 74-inch (1.9-m) telescope using a grating of 7 and a grating angle of 16.2 with an average spectral resolution of 300.

Comments

Finding Chart

https://www.astronomy.ohio-state.edu/asassn/followup/asassn-22ep.png

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Object coordinates updated

Object coordinates updated according to AT-report 143640 of Group GaiaAlerts
Previous RA, DEC: 20:20:49.426, -48:14:26.48 (305.20594, -48.24069)
Updated RA, DEC: 20:20:49.400, -48:14:27.17 (305.205833, -48.240881)

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