2019swh | Transient Name Server

RA/DEC (2000)

07:22:09.120 -29:13:35.62

110.538 -29.226561

Type

SN Ia

Redshift

0.010094

Discovery Report Classification Report

Reporting Group

DLT40

Discovering Data Source

DLT40

Discovery Date

2019-10-06 09:00:00.000

TNS AT

Y

Public

Y

Host Name

ESO428-023

Host Redshift

0.010124

Discovery Mag

15.849

Filter

Clear-

Reporter/s

S. Valenti, D.J.Sand, S. Wyatt, M. Lundquist, R. Amaro, J. Andrews

NED SIMBAD DECaLS PanSTARRS-1 SkyMapper VizieR WISE DSS ADS

Light curves

▌

Gaia_Gaia-photometric_G

▌

Other_Other_Clear

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
	5317	2019-10-18 13:53:41	FTN / FLOYDS-N	2700	Robot	Jamie Burke	DLT40	tns_2019swh_2019-10-18_13-53-41_FTN_FLOYDS-N_DLT40.dat		Object			Taken robotically FLOYDS-N spectrograph as part of the Las Cumbres Observatory network.
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 Taken robotically FLOYDS-N spectrograph as part of the Las Cumbres Observatory network.

Light Curves

Filter

Tel / Inst

Obs-date range

JD Range

Photometry

G-Gaia

Gaia_Gaia-photometric

2019-10-07 13:59:31 - 2019-11-10 03:38:52

2458764.0829977 - 2458797.6519907

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
101727	2019-11-10 03:38:52	2458797.6519907	17.38	0.2		ABMag	G-Gaia	Gaia_Gaia-photometric	60	Robot
101726	2019-10-07 13:59:31	2458764.0829977			21.5	ABMag	G-Gaia	Gaia_Gaia-photometric		Robot	[Last non detection]

Clear-

Other_Other

2019-04-22 01:40:17 - 2019-10-11 08:31:12

2458595.5696494 - 2458767.855

3

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
95452	2019-10-11 08:31:12	2458767.855	15.943			ABMag	Clear-	Other_Other			Prompt5 0.4m
95451	2019-10-06 09:00:00	2458762.875	15.849			ABMag	Clear-	Other_Other			Prompt5 0.4m
95450	2019-04-22 01:40:17	2458595.5696494			19.5	ABMag	Clear-	Other_Other			[Last non detection] Prompt5 0.4m

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
52406	2019-11-12 16:44:46	Gaia_Bot1	S.T. Hodgkin, E. Breedt, A. Delgado et al.	GaiaAlerts	GaiaAlerts	07:22:09.120	-29:13:35.62	2019-11-10 03:38:52.000	17.38	G-Gaia		Other		Gaia19far	GaiaAlerts		confirmed SN Ia (plus lightcurve of faint nearby source to which it was incorrectly cross-matched)		N
49707	2019-10-19 17:30:23	Michael Lundquist	S. Valenti, D.J.Sand, S. Wyatt et al.	DLT40	DLT40	07:22:09.108	-29:13:35.44	2019-10-06 09:00:00.000	15.849	Clear-		PSN	ESO428-023	DLT19n	DLT40			2019TNSTR2118....1V	N

Classification Reports

ID

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

5309

2019-10-20 21:04:34

David Sand

D. Sand, M. Lundquist, S. Valenti, J. Burke, S. Wyatt

DLT40

SN Ia

0.010094

1

DLT40

Using GELATO (Harutyunyan et al., 2008, A&A, 488, 383; gelato.tng.iac.es), we find the best fit to a SN Ia about one month after maximum light (+30 days), with a best match to SN 1991M. The redshift is consistent with the likely host galaxy, ESO 428- G 023 (z=0.010094).

2019TNSCR2131....1S

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
5317	2019-10-18 13:53:41	FTN / FLOYDS-N	2700	Robot	Jamie Burke	DLT40	tns_2019swh_2019-10-18_13-53-41_FTN_FLOYDS-N_DLT40.dat		Object			Taken robotically FLOYDS-N spectrograph as part of the Las Cumbres Observatory network.

Comments

Object coordinates updated

Object coordinates updated according to AT-report 52406 of Group GaiaAlerts
Previous RA, DEC: 07:22:09.108, -29:13:35.44 (110.53795, -29.22651)
Updated RA, DEC: 07:22:09.120, -29:13:35.62 (110.538, -29.226561)

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