2020hvf | Transient Name Server

RA/DEC (2000)

11:21:26.450 +03:00:52.85

170.360208 +3.014681

Type

SN Ia

Redshift

0.005838

Discovery Report Classification Report

Related AstroNotes: 2020-87

Reporting Group

ATLAS

Discovering Data Source

ATLAS

Discovery Date

2020-04-21 09:07:12.000

TNS AT

Public

Discovery Mag

17.109

Filter

orange-ATLAS

Reporter/s

J. Tonry, L. Denneau, A. Heinze, H. Weiland, H. Flewelling (IfA, University of Hawaii), B. Stalder (LSST), A. Rest (STScI), C. Stubbs (Harvard University), K. W. Smith, S. J. Smartt, D. R. Young, S. Srivastav, O. McBrien, D. O'Neill, P. Clark, M. Fulton, J. Gillanders, M. Dobson (Queen's University Belfast), T.-W. Chen (MPE), D. E. Wright (University of Minnesota), J. Anderson (ESO)

NED SIMBAD DECaLS PanSTARRS-1 SkyMapper VizieR WISE DSS ADS

Light curves

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	Remarks
	6608	2020-05-08 23:30:00	Other / Other	3600	Frederic Pastor		None	tns_2020hvf_2020-05-08_23-30-00_Other_Other.txt	tns_2020hvf_2020-05-08_23-30-00_Other_Other.fits	Object	Instrument: Newton 250mm + Sheliak Alpy600
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 Instrument: Newton 250mm + Sheliak Alpy600
	6509	2020-04-22 06:03:58	FTN / FLOYDS-N	2700	Las Cumbres Observatory	Jamison Burke	Global SN Project	tns_2020hvf_2020-04-22_06-03-58_FTN_FLOYDS-N_Global_SN_Project.ascii	tns_2020hvf_2020-04-22_06-03-58_FTN_FLOYDS-N_Global_SN_Project.fits	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

w-P1

PS2_GPC2

2020-04-21 06:18:43 - 2020-04-21 06:18:43

2458960.763 - 2458960.763

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
132020	2020-04-21 06:18:43	2458960.763	16.9	0	22	ABMag	w-P1	PS2_GPC2	45	Robot

r-ZTF

P48_ZTF-Cam

2020-04-23 06:03:15 - 2020-04-23 06:03:15

2458962.7522569 - 2458962.7522569

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
132195	2020-04-23 06:03:15	2458962.7522569	16.23	0.04	20.21	ABMag	r-ZTF	P48_ZTF-Cam	30
133934	2020-04-23 06:03:15	2458962.7522569	16.23	0.04	20.21	ABMag	r-ZTF	P48_ZTF-Cam	30

g-ZTF

P48_ZTF-Cam

2020-04-15 06:35:03 - 2020-04-23 05:01:19

2458954.7743403 - 2458962.7092477

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Remarks
132194	2020-04-23 05:01:19	2458962.7092477	16.33	0.04	20.68	ABMag	g-ZTF	P48_ZTF-Cam	30
133933	2020-04-23 05:01:19	2458962.7092477	16.33	0.04	20.68	ABMag	g-ZTF	P48_ZTF-Cam	30
132193	2020-04-15 06:35:03	2458954.7743403			20.4308	ABMag	g-ZTF	P48_ZTF-Cam	30	[Last non detection]
133932	2020-04-15 06:35:03	2458954.7743403			20.4308	ABMag	g-ZTF	P48_ZTF-Cam	30	[Last non detection]

G-Gaia

Gaia_Gaia-photometric

2020-04-29 21:27:22 - 2020-04-30 01:40:48

2458969.394 - 2458969.57

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
134917	2020-04-30 01:40:48	2458969.57	13.49	0.2		ABMag	G-Gaia	Gaia_Gaia-photometric	60	Robot
134916	2020-04-29 21:27:22	2458969.394			21.5	ABMag	G-Gaia	Gaia_Gaia-photometric		Robot	[Last non detection]

orange-ATLAS

ATLAS-MLO_ATLAS-01

2020-04-21 09:07:12 - 2020-04-21 09:07:12

2458960.88 - 2458960.88

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
131816	2020-04-21 09:07:12	2458960.88	17.109	0.042	19.57	ABMag	orange-ATLAS	ATLAS-MLO_ATLAS-01	30	Robot

cyan-ATLAS

ATLAS-HKO_ATLAS-02

2020-04-19 09:04:19 - 2020-04-19 09:04:19

2458958.878 - 2458958.878

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
131815	2020-04-19 09:04:19	2458958.878			19.69	ABMag	cyan-ATLAS	ATLAS-HKO_ATLAS-02	30	Robot	[Last non detection]

w-P1

PS1_GPC1

2021-04-07 08:31:12 - 2021-04-07 08:31:12

2459311.855 - 2459311.855

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
204909	2021-04-07 08:31:12	2459311.855	19.89	0.03	22	ABMag	w-P1	PS1_GPC1	45	Robot

Clear-

Other_Other

2020-02-26 08:55:37 - 2020-06-05 00:42:53

2458905.87196 - 2459005.52978

Photometry

ID	Obs-date	JD	Mag. / Flux	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
141028	2020-06-05 00:42:53	2459005.52978	13.6	18	VegaMag	Clear-	Other_Other	60	Robot	MASTER-OAFA
141027	2020-06-05 00:35:18	2459005.52451	13.6	18	VegaMag	Clear-	Other_Other	60	Robot	MASTER-OAFA
141026	2020-02-26 08:55:37	2458905.87196		20	VegaMag	Clear-	Other_Other	180	Robot	[Last non detection] MASTER-OAFA

AT Reports

ID	Time received (UT)	Sender	Reporter/s	Reporting group	Disc. Data Source	RA	DEC	Discovery date (UT)	Discovery Mag.	Filter	AT Type	Internal name	Assoc. Groups	Remarks	Bibcode	Unreal
105820	2021-04-09 00:51:57	PS1_Bot1	K. C. Chambers,T. de Boer,J. Bulger et al.	Pan-STARRS	Pan-STARRS	11:21:26.447	+03:00:52.90	2021-04-07 08:31:12.000	19.89	w-P1	PSN	PS20clz	Pan-STARRS			N
72822	2020-06-05 06:37:46	MASTER	V. Lipunov,E. Gorbovskoy,V.Kornilov et al.	MASTER	MASTER	11:21:26.440	+03:00:52.80	2020-06-05 00:35:17.664	13.6	Clear-	PSN	MASTER OT J112126.44+030052.8	MASTER			N
69833	2020-05-04 20:04:23	Gaia_Bot1	S.T. Hodgkin,E. Breedt,A. Delgado et al.	GaiaAlerts	GaiaAlerts	11:21:26.450	+03:00:52.85	2020-04-30 01:40:48.000	13.49	G-Gaia	PSN	Gaia20ccj	GaiaAlerts	confirmed SN Ia		N
69287	2020-04-30 19:47:46	ZTF_AMPEL_COMPLETE	J. Nordin,V. Brinnel,M. Giomi et al.	ZTF	ZTF	11:21:26.448	+03:00:52.88	2020-04-23 05:01:19.200	16.33	g-ZTF	PSN	ZTF20aavpnlv	ZTF	See arXiv:1904.05922 for selection criteria.		N
68492	2020-04-23 07:00:56	ZTF_AMPEL_NEW	J. Nordin,V. Brinnel,M. Giomi et al.	ZTF	ZTF	11:21:26.448	+03:00:52.87	2020-04-23 05:01:19.200	16.33	g-ZTF	PSN	ZTF20aavpnlv	ZTF	See arXiv:1904.05922 for selection criteria.		N
68404	2020-04-22 14:46:41	PS2_Bot1	K. C. Chambers,T. de Boer,J. Bulger et al.	Pan-STARRS	Pan-STARRS	11:21:26.441	+03:00:52.92	2020-04-21 06:18:43.200	16.9	w-P1	PSN	PS20clz	Pan-STARRS			N
68303	2020-04-21 19:52:06	ATLAS_Bot1	J. Tonry,L. Denneau,A. Heinze et al.	ATLAS	ATLAS	11:21:26.454	+03:00:52.82	2020-04-21 09:07:12.000	17.109	orange-ATLAS	PSN	ATLAS20ktq	ATLAS		2020TNSTR1082....1T	N

Classification Reports

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

6597

2020-05-10 15:45:39

Frederic PASTOR

None

SN Ia

0.005838

2020TNSCR1527....1P

Related files

File	Comments	Last Modified (UT)	Modified By
tns_2020hvf_classrep_6597.fits		2020-05-10 15:45:39	Frederic PASTOR

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
6608	2020-05-08 23:30:00	Other / Other	3600	Frederic Pastor		None	tns_2020hvf_2020-05-08_23-30-00_Other_Other.txt	tns_2020hvf_2020-05-08_23-30-00_Other_Other.fits	Object			Instrument: Newton 250mm + Sheliak Alpy600

6499

2020-04-22 22:20:58

Jamison Burke

Jamison Burke, Daichi Hiramatsu, D. Andrew Howell, Curtis McCully, Estefania Padilla Gonzalez, Craig Pellegrino

Global SN Project

SN Ia

0.005838

Global SN Project

Using Superfit (Howell et al. 2005, ApJ, 634, 1190) and SNID (Blondin & Tonry 2007, ApJ, 666, 1024), we find best fits to SNe Ia, including SN 1999aa 11 days before peak and other peculiar over-luminous SNe Ia. The supernova is closest to NGC 3643 (z = 0.005838, dL ~ 25 Mpc; 2004SDSS3.C...0000. NED values). We measure velocities of 25,000 km/s for the Ca II NIR triplet and 24,000 km/s for the Si II 6355 line, although we note the Si II is quite weak compared to other early SNe Ia. In addition to these high velocities we also note extremely strong O I absorption at comparable velocity, and probable detections of C II from the 4267 and 6580 lines. We measure a B-band absolute magnitude of -15.0 roughly coeval with this spectrum. From the high velocities, blue continuum, and absolute magnitude we infer that the supernova is within a few days of explosion, and we encourage further followup.

2020TNSCR1105....1B

Related files

File	Comments	Last Modified (UT)	Modified By
tns_2020hvf_classrep_6499_Global_SN_Project.ps		2020-04-22 22:20:58	Jamison Burke

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
6509	2020-04-22 06:03:58	FTN / FLOYDS-N	2700	Las Cumbres Observatory	Jamison Burke	Global SN Project	tns_2020hvf_2020-04-22_06-03-58_FTN_FLOYDS-N_Global_SN_Project.ascii	tns_2020hvf_2020-04-22_06-03-58_FTN_FLOYDS-N_Global_SN_Project.fits	Object

Comments

Spectra SN2020hvf

Here is attached my last Spectra dated 8th of May, of SN2020hvf.

Taken with a Newton 250mm and Alpy600 for low resolution, from Pyrénées Mountains (France). At altitude 800 meters high.

Fred

_sn2020hvf_20200508_ Fred Pastor .fits

Object coordinates updated

Object coordinates updated according to AT-report 69833 of Group GaiaAlerts
Previous RA, DEC: 11:21:26.441, +03:00:52.92 (170.360169366, +3.01470052471)
Updated RA, DEC: 11:21:26.450, +03:00:52.85 (170.360208, 3.014681)

Object coordinates updated

Object coordinates updated according to AT-report 68404 of Group Pan-STARRS1
Previous RA, DEC: 11:21:26.454, +03:00:52.82 (170.360225833, +3.0146725)
Updated RA, DEC: 11:21:26.441, +03:00:52.92 (170.360169366, 3.01470052471)

SN 2020hvf

Spectra

Light curves

Comments

Spectra SN2020hvf

Object coordinates updated

Object coordinates updated