2021wcu | Transient Name Server

RA/DEC (2000)

07:20:25.120 +32:51:05.26

110.104667 +32.851461

Type

SN Ia

Redshift

0.016

Discovery Report Classification Report

Reporting Group

ZTF

Discovering Data Source

ZTF

Discovery Date

2021-08-13 11:55:40.800

TNS AT

Y

Public

Y

Discovery Mag

15.77

Filter

r-ZTF

Reporter/s

C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) collaboration

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	Assoc. Groups	End prop. period	Remarks
	10791	2021-09-06 11:19:21	P60 / SEDM	2160	SEDmRobot	auto	ZTF	tns_2021wcu_2021-09-06_11-19-21.300078_P60_SEDM_ZTF.ascii		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
	10645	2021-08-21 02:38:00	Other / Other	2400	Claudio Balcon (Belluno A.O.)	Claudio Balcon	None	tns_2021wcu_2021-08-21_02-38-00_Other_Other.dat	tns_2021wcu_2021-08-21_02-38-00_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

i-P1

PS2_GPC2

2021-10-22 12:18:43 - 2021-10-22 12:18:43

2459510.013 - 2459510.013

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
258393	2021-10-22 12:18:43	2459510.013	18.28	0.1	20.7	ABMag	i-P1	PS2_GPC2	45	Robot

r-ZTF

P48_ZTF-Cam

2021-08-13 11:55:41 - 2021-08-16 12:12:58

2459439.997 - 2459443.009

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
235371	2021-08-16 12:12:58	2459443.009	15.82			ABMag	r-ZTF	P48_ZTF-Cam	30	ZTF
235370	2021-08-13 11:55:41	2459439.997	15.77			ABMag	r-ZTF	P48_ZTF-Cam	30	ZTF

G-Gaia

Gaia_Gaia-photometric

2021-04-13 07:59:31 - 2021-08-28 18:47:31

2459317.833 - 2459455.283

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
237942	2021-08-28 18:47:31	2459455.283	16.69	0.2		ABMag	G-Gaia	Gaia_Gaia-photometric	60	Robot
237941	2021-04-13 07:59:31	2459317.833			21.5	ABMag	G-Gaia	Gaia_Gaia-photometric		Robot	[Last non detection]

orange-ATLAS

ATLAS-HKO_ATLAS-02

2021-09-22 13:58:05 - 2021-09-22 13:58:05

2459480.082 - 2459480.082

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
243073	2021-09-22 13:58:05	2459480.082	17.518	0.08	18.8	ABMag	orange-ATLAS	ATLAS-HKO_ATLAS-02	30	Robot

cyan-ATLAS

ATLAS-HKO_ATLAS-02

2021-05-13 06:27:22 - 2021-05-13 06:27:22

2459347.769 - 2459347.769

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
243072	2021-05-13 06:27:22	2459347.769			19.1	ABMag	cyan-ATLAS	ATLAS-HKO_ATLAS-02	30	Robot	[Last non detection]

w-P1

PS1_GPC1

2021-11-28 14:35:31 - 2021-11-28 14:35:31

2459547.108 - 2459547.108

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
256698	2021-11-28 14:35:31	2459547.108	19.02	0.04	22	ABMag	w-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
131496	2021-12-26 13:07:01	PS2_Bot1	K. C. Chambers, T. de Boer, J. Bulger et al.	Pan-STARRS	Pan-STARRS	07:20:25.118	+32:51:05.29	2021-10-22 12:18:43.200	18.28	i-P1		PSN		PS21ned	Pan-STARRS				N
130696	2021-11-29 23:10:04	PS1_Bot1	K. C. Chambers, T. de Boer, J. Bulger et al.	Pan-STARRS	Pan-STARRS	07:20:25.124	+32:51:05.29	2021-11-28 14:35:31.200	19.02	w-P1		PSN		PS21ned	Pan-STARRS				N
123992	2021-09-22 21:42:53	ATLAS_Bot1	J. Tonry, L. Denneau, A. Heinze et al.	ATLAS	ATLAS	07:20:25.116	+32:51:05.29	2021-09-22 13:58:04.800	17.518	orange-ATLAS		PSN		ATLAS21bjae	ATLAS				N
121942	2021-09-01 11:18:17	Gaia_Bot1	S.T. Hodgkin, E. Breedt, A. Delgado et al.	GaiaAlerts	GaiaAlerts	07:20:25.120	+32:51:05.26	2021-08-28 18:47:31.200	16.69	G-Gaia		PSN		Gaia21eaw	GaiaAlerts		confirmed SN Ia		N
120587	2021-08-16 13:41:55	ZTF_Bot1	C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) collaboration	ZTF	ZTF	07:20:25.112	+32:51:05.32	2021-08-13 11:55:40.800	15.77	r-ZTF		PSN		ZTF21abtdlno	ZTF			2021TNSTR2827....1F	N

Classification Reports

ID

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

10737

2021-09-07 17:34:53

ZTF_Bot1

M. Chu, A. Dahiwale, C. Fremling(Caltech) on behalf of the Zwicky Transient Facility (ZTF)

ZTF

SN Ia

0.016

1

ZTF

2021TNSCR3090....1C

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
10791	2021-09-06 11:19:21	P60 / SEDM	2160	SEDmRobot	auto	ZTF	tns_2021wcu_2021-09-06_11-19-21.300078_P60_SEDM_ZTF.ascii		Object

10591

2021-08-26 06:23:30

Claudio Balcon

Claudio Balcon (Belluno A.O.- ISSP)

None

SN Ia

0.0142

1

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

2021TNSCR2940....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
10645	2021-08-21 02:38:00	Other / Other	2400	Claudio Balcon (Belluno A.O.)	Claudio Balcon	None	tns_2021wcu_2021-08-21_02-38-00_Other_Other.dat	tns_2021wcu_2021-08-21_02-38-00_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 121942 of Group GaiaAlerts
Previous RA, DEC: 07:20:25.112, +32:51:05.32 (110.1046343, +32.8514765)
Updated RA, DEC: 07:20:25.120, +32:51:05.26 (110.104667, 32.851461)

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