2021khm | Transient Name Server

RA/DEC (2000)

17:25:37.330 +71:12:33.01

261.405542 +71.209169

Type

SN Ia

Redshift

0.058

Discovery Report Classification Report

Reporting Group

ATLAS

Discovering Data Source

ATLAS

Discovery Date

2021-04-18 11:29:45.600

TNS AT

Y

Public

Y

Discovery Mag

18.913

Filter

cyan-ATLAS

Reporter/s

J. Tonry, L. Denneau, A. Heinze, H. Weiland (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, M. Fulton, J. Gillanders, C. Webb (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

▌

Gaia_Gaia-photometric_G

▌

ATLAS-MLO_ATLAS-01_cyan

▌

ATLAS-HKO_ATLAS-02_orange

▌

PS1_GPC1_i

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
	9508	2021-04-23 03:41:36	LT / SPRAT		S. Prentice, L. Harvey	L. Harvey, S. Prentice	TCD	tns_2021khm_2021-04-23_03-41-35.918_LT_SPRAT_TCD.txt		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-Gaia

Gaia_Gaia-photometric

2021-03-24 15:33:07 - 2021-04-28 19:09:07

2459298.148 - 2459333.298

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
209035	2021-04-28 19:09:07	2459333.298	18.37	0.2		ABMag	G-Gaia	Gaia_Gaia-photometric	60	Robot
209034	2021-03-24 15:33:07	2459298.148			21.5	ABMag	G-Gaia	Gaia_Gaia-photometric		Robot	[Last non detection]

cyan-ATLAS

ATLAS-MLO_ATLAS-01

2021-04-18 11:29:46 - 2021-04-18 11:29:46

2459322.979 - 2459322.979

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
208286	2021-04-18 11:29:46	2459322.979	18.913	0.101	19.78	ABMag	cyan-ATLAS	ATLAS-MLO_ATLAS-01	30	Robot

orange-ATLAS

ATLAS-HKO_ATLAS-02

2021-04-16 13:30:43 - 2021-04-16 13:30:43

2459321.063 - 2459321.063

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
208285	2021-04-16 13:30:43	2459321.063			19.4	ABMag	orange-ATLAS	ATLAS-HKO_ATLAS-02	30	Robot	[Last non detection]

i-P1

PS1_GPC1

2021-04-25 13:55:12 - 2021-04-25 13:55:12

2459330.08 - 2459330.08

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
209985	2021-04-25 13:55:12	2459330.08	18.62	0.08	20.7	ABMag	i-P1	PS1_GPC1	45	Robot

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
108182	2021-05-03 21:32:22	PS1_Bot1	K. C. Chambers, T. de Boer, J. Bulger et al.	Pan-STARRS	Pan-STARRS	17:25:37.336	+71:12:32.90	2021-04-25 13:55:12.000	18.62	i-P1		PSN		PS21dmv	Pan-STARRS		This transient was discovered with the help of citizen science project Supernova Hunters run by Zooniverse. The candidate was identified by volunteers including Ahmad Kamal Barakat, Amy Loeschner and Amit Raka		N
107779	2021-04-29 15:10:06	Gaia_Bot1	S.T. Hodgkin, E. Breedt, A. Delgado et al.	GaiaAlerts	GaiaAlerts	17:25:37.330	+71:12:33.01	2021-04-28 19:09:07.200	18.37	G-Gaia		PSN		Gaia21ccs	GaiaAlerts		confirmed SN Ia		N
107416	2021-04-21 00:30:58	ATLAS_Bot1	J. Tonry, L. Denneau, A. Heinze et al.	ATLAS	ATLAS	17:25:37.356	+71:12:32.83	2021-04-18 11:29:45.600	18.913	cyan-ATLAS		PSN		ATLAS21nay	ATLAS			2021TNSTR1300....1T	N

Classification Reports

ID

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

9498

2021-04-23 10:12:56

Luke Harvey

Luke Harvey, Simon Prentice, Kate Maguire, Maxime Deckers, Mark Magee, Jacco Terwel, Georgios Dimitriadis (TCD)

TCD

SN Ia

0.058

1

TCD

Ia around peak (-7 - +7).

2021TNSCR1333....1H

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
9508	2021-04-23 03:41:36	LT / SPRAT		S. Prentice, L. Harvey	L. Harvey, S. Prentice	TCD	tns_2021khm_2021-04-23_03-41-35.918_LT_SPRAT_TCD.txt		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 107779 of Group GaiaAlerts
Previous RA, DEC: 17:25:37.356, +71:12:32.83 (261.40565, +71.2091192857)
Updated RA, DEC: 17:25:37.330, +71:12:33.01 (261.405542, 71.209169)

Log in or register to post comments

Log in or register to post comments