2021afqx | Transient Name Server

RA/DEC (2000)

22:31:07.170 +39:25:41.99

337.779875 +39.428331

Type

SN Ia

Redshift

0.015

Discovery Report Classification Report

Reporting Group

ATLAS

Discovering Data Source

ATLAS

Discovery Date

2021-11-28 06:37:26.400

TNS AT

Y

Public

Y

Discovery Mag

18.485

Filter

orange-ATLAS

Reporter/s

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

NED SIMBAD DECaLS PanSTARRS-1 SkyMapper VizieR WISE DSS ADS

Light curves

▌

P48_ZTF-Cam_r

▌

Gaia_Gaia-photometric_G

▌

ATLAS-MLO_ATLAS-01_orange

▌

ATLAS-HKO_ATLAS-02_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
	11622	2021-12-29 18:14:00	Other / Other	3600	Claudio Balcon	Claudio Balcon	None	tns_2021afqx_2021-12-29_18-14-00_Other_Other.dat	tns_2021afqx_2021-12-29_18-14-00_Other_Other.fit	Object			I obtained the low-resolution spectrum R~100 using the FOSC-ES32 spectrograph attached to a 0.2m telescope, in the course of Italian Supernovae Search Project.
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 I obtained the low-resolution spectrum R~100 using the FOSC-ES32 spectrograph attached to a 0.2m telescope, in the course of Italian Supernovae Search Project.

Light Curves

Filter

Tel / Inst

Obs-date range

JD Range

Photometry

r-ZTF

P48_ZTF-Cam

2022-04-07 12:12:08 - 2022-04-08 12:12:51

2459677.0084259 - 2459678.0089236

6

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
275920	2022-04-08 12:12:51	2459678.0089236	19.1775	0.158992	19.6521	ABMag	r-ZTF	P48_ZTF-Cam	30	Robot	Data provided by ZTF
275919	2022-04-08 12:09:14	2459678.006412	19.3598	0.134084	19.7039	ABMag	r-ZTF	P48_ZTF-Cam	30	Robot	Data provided by ZTF
275918	2022-04-08 12:05:38	2459678.003912	19.1788	0.174228	19.6273	ABMag	r-ZTF	P48_ZTF-Cam	30	Robot	Data provided by ZTF
275917	2022-04-08 12:02:02	2459678.001412	19.3276	0.177587	19.6237	ABMag	r-ZTF	P48_ZTF-Cam	30	Robot	Data provided by ZTF
275916	2022-04-08 11:58:26	2459677.998912	19.2444	0.184462	19.4766	ABMag	r-ZTF	P48_ZTF-Cam	30	Robot	Data provided by ZTF
275915	2022-04-07 12:12:08	2459677.0084259			19.0416	ABMag	r-ZTF	P48_ZTF-Cam	30	Robot	[Last non detection] Data provided by ZTF

G-Gaia

Gaia_Gaia-photometric

2021-11-26 04:06:14 - 2021-12-29 23:09:36

2459544.671 - 2459578.465

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
264064	2021-12-29 23:09:36	2459578.465	16.06	0.2		ABMag	G-Gaia	Gaia_Gaia-photometric	60	Robot
264063	2021-11-26 04:06:14	2459544.671			21.5	ABMag	G-Gaia	Gaia_Gaia-photometric		Robot	[Last non detection]

orange-ATLAS

ATLAS-MLO_ATLAS-01

2021-11-28 06:37:26 - 2021-11-28 06:37:26

2459546.776 - 2459546.776

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
256621	2021-11-28 06:37:26	2459546.776	18.485	0.116	19.29	ABMag	orange-ATLAS	ATLAS-MLO_ATLAS-01	30	Robot

orange-ATLAS

ATLAS-HKO_ATLAS-02

2021-11-26 06:20:10 - 2021-11-26 06:20:10

2459544.764 - 2459544.764

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
256620	2021-11-26 06:20:10	2459544.764			19.62	ABMag	orange-ATLAS	ATLAS-HKO_ATLAS-02	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
144201	2022-04-09 00:23:32	ALeRCE	A. Munoz-Arancibia,F.E. Bauer,F. Forster et al.	ALeRCE	ZTF	22:31:07.172	+39:25:41.94	2022-04-08 11:58:25.997	19.2444	r-ZTF		PSN	LEDA 214845	ZTF22aafbaui	ALeRCE		SN candidate 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/ZTF22aafbaui		N
135804	2022-02-07 08:52:32	Gaia_Bot1	S.T. Hodgkin,E. Breedt,A. Delgado et al.	GaiaAlerts	GaiaAlerts	22:31:07.170	+39:25:41.99	2021-12-29 23:09:36.000	16.06	G-Gaia		PSN		Gaia22alx	GaiaAlerts		Gaia detection of a confirmed SN Ia, now fading		N
130645	2021-11-28 17:39:53	ATLAS_Bot1	J. Tonry,L. Denneau,H. Weiland (IfA et al.	ATLAS	ATLAS	22:31:07.112	+39:25:42.16	2021-11-28 06:37:26.400	18.485	orange-ATLAS		PSN		ATLAS21bmzd	ATLAS			2021TNSTR4048....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

11568

2021-12-29 19:16:38

Claudio Balcon

Claudio Balcon (Belluno A.O. ISSP)

None

SN Ia

0.015

1

GELATO (Harutyunyan et al., 2008, A&A, 488, 383) and DASH (Muthukrishna et al., 2019, ApJ, 885, 85) suggest that this spectrum resembles that of SN Type Ia about two weeks after maximum. The redshift has been deduced from the SN spectral fitting.

2021TNSCR4227....1B

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
11622	2021-12-29 18:14:00	Other / Other	3600	Claudio Balcon	Claudio Balcon	None	tns_2021afqx_2021-12-29_18-14-00_Other_Other.dat	tns_2021afqx_2021-12-29_18-14-00_Other_Other.fit	Object			I obtained the low-resolution spectrum R~100 using the FOSC-ES32 spectrograph attached to a 0.2m telescope, in the course of Italian Supernovae Search Project.

Comments

Object coordinates updated

Object coordinates updated according to AT-report 135804 of Group GaiaAlerts
Previous RA, DEC: 22:31:07.112, +39:25:42.16 (337.779635, +39.4283775)
Updated RA, DEC: 22:31:07.170, +39:25:41.99 (337.779875, 39.428331)

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