2021knh | Transient Name Server

RA/DEC (2000)

09:10:08.650 -27:37:26.58

137.536042 -27.62405

Type

SN Ia

Redshift

0.03

Discovery Report Classification Report

Related AstroNotes: 2021-146

Reporting Group

ALeRCE

Discovering Data Source

ZTF

Discovery Date

2021-04-25 04:04:11.997

TNS AT

Y

Public

Y

Discovery Mag

18.445

Filter

g-ZTF

Reporter/s

A. Munoz-Arancibia, F. Forster, F.E. Bauer, G. Pignata, L. Hernandez-Garcia, L. Galbany, E. Camacho, J. Silva-Farfan, A. Mourao, J. Arredondo, G. Cabrera-Vives, R. Carrasco-Davis, P.A. Estevez, P. Huijse, E. Reyes, I. Reyes, P. Sanchez-Saez, C. Valenzuela, E. Castillo, D. Ruz-Mieres, D. Rodriguez-Mancini, M. Catelan, S. Eyheramendy, M.J. Graham on behalf of the ALeRCE broker

NED SIMBAD DECaLS PanSTARRS-1 SkyMapper VizieR WISE DSS ADS

Light curves

▌

P48_ZTF-Cam_r

▌

P48_ZTF-Cam_g

▌

Gaia_Gaia-photometric_G

▌

ATLAS-MLO_ATLAS-01_orange

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
	9568	2021-05-05 03:09:45	ESO-NTT / EFOSC2-NTT	300	Emmy Paraskeva,Miika Pursiainen	Giorgos Leloudas,Daniele Malesani	ePESSTO+	tns_2021knh_2021-05-05_03-09-45_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci	tns_2021knh_2021-05-05_03-09-45_ESO-NTT_EFOSC2-NTT_ePESSTO+.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

r-ZTF

P48_ZTF-Cam

2021-04-25 04:36:40 - 2021-04-25 05:02:27

2459329.6921296 - 2459329.7100347

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
208858	2021-04-25 05:02:27	2459329.7100347	18.5949	0.208358	18.5853	ABMag	r-ZTF	P48_ZTF-Cam	30	Robot	Data provided by ZTF
208857	2021-04-25 04:36:40	2459329.6921296	18.6912	0.17922	18.809	ABMag	r-ZTF	P48_ZTF-Cam	30	Robot	Data provided by ZTF

g-ZTF

P48_ZTF-Cam

2021-04-21 04:38:45 - 2021-04-25 04:08:55

2459325.6935764 - 2459329.6728588

3

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
208856	2021-04-25 04:08:55	2459329.6728588	18.51	0.155625	18.5958	ABMag	g-ZTF	P48_ZTF-Cam	30	Robot	Data provided by ZTF
208855	2021-04-25 04:04:12	2459329.6695833	18.445	0.17095	18.6323	ABMag	g-ZTF	P48_ZTF-Cam	30	Robot	Data provided by ZTF
208854	2021-04-21 04:38:45	2459325.6935764			19.1408	ABMag	g-ZTF	P48_ZTF-Cam	30	Robot	[Last non detection] Data provided by ZTF

G-Gaia

Gaia_Gaia-photometric

2021-04-09 06:56:10 - 2021-05-05 23:03:50

2459313.789 - 2459340.461

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
211197	2021-05-05 23:03:50	2459340.461	16.69	0.2		ABMag	G-Gaia	Gaia_Gaia-photometric	60	Robot
211196	2021-04-09 06:56:10	2459313.789			21.5	ABMag	G-Gaia	Gaia_Gaia-photometric		Robot	[Last non detection]

orange-ATLAS

ATLAS-MLO_ATLAS-01

2021-04-23 07:03:22 - 2021-04-27 07:03:22

2459327.794 - 2459331.794

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
208892	2021-04-27 07:03:22	2459331.794	17.91	0.136	18.36	ABMag	orange-ATLAS	ATLAS-MLO_ATLAS-01	30	Robot
208891	2021-04-23 07:03:22	2459327.794			19.05	ABMag	orange-ATLAS	ATLAS-MLO_ATLAS-01	30	Robot	[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
108622	2021-05-07 08:45:26	Gaia_Bot1	S.T. Hodgkin,E. Breedt,A. Delgado et al.	GaiaAlerts	GaiaAlerts	09:10:08.650	-27:37:26.58	2021-05-05 23:03:50.400	16.69	G-Gaia		PSN		Gaia21cfk	GaiaAlerts		confirmed SN Ia		N
107701	2021-04-27 13:54:04	ATLAS_Bot1	J. Tonry,L. Denneau,A. Heinze et al.	ATLAS	ATLAS	09:10:08.693	-27:37:26.59	2021-04-27 07:03:21.600	17.91	orange-ATLAS		PSN		ATLAS21nlk	ATLAS				N
107682	2021-04-26 19:43:42	ALeRCE	A. Munoz-Arancibia,F. Forster,F.E. Bauer et al.	ALeRCE	ZTF	09:10:08.633	-27:37:26.60	2021-04-25 04:04:11.997	18.445	g-ZTF		PSN		ZTF21aaxjpsw	ZTF		Early SN candidate (g-rise > 0.18+-0.02 mag/day, r-rise > 0.20+-0.04 mag/day) classified using ALeRCE's stamp classifier - see http://arxiv.org/abs/2008.03309 - and the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF21aaxjpsw	2021TNSTR1357....1M	N

Classification Reports

ID

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

9558

2021-05-05 16:55:56

ePESSTOplus_Bot1

Emmy Paraskeva,Miika Pursiainen, Giorgos Leloudas,Daniele Malesani, N. L. Strotjohann on behalf of ePESSTO+

ePESSTO+

SN Ia

0.03

1

ePESSTO+

2021TNSCR1479....1P

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
9568	2021-05-05 03:09:45	ESO-NTT / EFOSC2-NTT	300	Emmy Paraskeva,Miika Pursiainen	Giorgos Leloudas,Daniele Malesani	ePESSTO+	tns_2021knh_2021-05-05_03-09-45_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci	tns_2021knh_2021-05-05_03-09-45_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits	Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 108622 of Group GaiaAlerts
Previous RA, DEC: 09:10:08.633, -27:37:26.60 (137.53597057500002, -27.624056375000002)
Updated RA, DEC: 09:10:08.650, -27:37:26.58 (137.536042, -27.62405)

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