2020ukj | Transient Name Server

RA/DEC (2000)

07:31:34.220 +57:16:28.81

112.89258345714 +57.2746683

Type

TDE

Redshift

0.066

Discovery Report Classification Report

Related AstroNotes: 2024-379

Reporting Group

ALeRCE

Discovering Data Source

ZTF

Discovery Date

2020-09-28 11:27:14.003

TNS AT

Y

Public

Y

Host Name

WISEA J073134.20+571628.9

Discovery Mag

19.4584

Filter

g-ZTF

Reporter/s

F. Forster, A. Munoz-Arancibia, F.E. Bauer, L. Hernandez-Garcia, G. Pignata, L. Galbany, G. Pignata, 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_

▌

ATLAS-MLO_ATLAS-01_orange_

▌

ATLAS-HKO_ATLAS-02_cyan_

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
	19040	2024-12-14 00:00:00	CMO-2.5m / TDS		Zheltoukhov S., Dodin A., Belinskii A.		Fink	tns_2020ukj_2024-12-14_00-00-00_CMO-2.5m_TDS_Fink.txt		Object			Spectrum obtained with the CMO-2.5m telescope (Shatsky et al. 2020).
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 Spectrum obtained with the CMO-2.5m telescope (Shatsky et al. 2020).

Light Curves

Filter

Tel / Inst

Obs-date range

JD Range

Photometry

r-ZTF

P48_ZTF-Cam

2020-09-04 11:02:00 - 2020-10-07 11:36:57

2459096.9597222 - 2459129.9839931

4

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
162112	2020-10-07 11:36:57	2459129.9839931	19.69	0.19	20.13	ABMag	r-ZTF	P48_ZTF-Cam	30
162110	2020-10-04 09:28:42	2459126.8949306			19.6982	ABMag	r-ZTF	P48_ZTF-Cam	30		[Last non detection]
160754	2020-09-28 12:16:52	2459121.011713	19.7321	0.163363	20.4841	ABMag	r-ZTF	P48_ZTF-Cam	30	Robot	Data provided by ZTF
160752	2020-09-04 11:02:00	2459096.9597222			19.6557	ABMag	r-ZTF	P48_ZTF-Cam	30	Robot	[Last non detection] Data provided by ZTF

g-ZTF

P48_ZTF-Cam

2020-09-28 11:27:14 - 2020-10-07 10:48:54

2459120.9772454 - 2459129.950625

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
162111	2020-10-07 10:48:54	2459129.950625	19.53	0.24	19.88	ABMag	g-ZTF	P48_ZTF-Cam	30
160753	2020-09-28 11:27:14	2459120.9772454	19.4584	0.138942	20.6555	ABMag	g-ZTF	P48_ZTF-Cam	30	Robot	Data provided by ZTF

orange-ATLAS

ATLAS-MLO_ATLAS-01

2020-10-12 15:24:29 - 2020-10-12 15:24:29

2459135.142 - 2459135.142

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
164988	2020-10-12 15:24:29	2459135.142			15.97	ABMag	orange-ATLAS	ATLAS-MLO_ATLAS-01	30	Robot	[Last non detection]

cyan-ATLAS

ATLAS-HKO_ATLAS-02

2020-10-14 13:42:14 - 2020-10-14 13:42:14

2459137.071 - 2459137.071

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
164989	2020-10-14 13:42:14	2459137.071	19.167	0.156	19.64	ABMag	cyan-ATLAS	ATLAS-HKO_ATLAS-02	30	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	Bibcode	Unreal	Auto classification
85806	2020-10-15 00:10:32	ATLAS_Bot1	J. Tonry,L. Denneau,A. Heinze et al.	ATLAS	ATLAS	07:31:34.182	+57:16:29.05	2020-10-14 13:42:14.400	19.167	cyan-ATLAS		PSN		ATLAS20bdjf	ATLAS				N
84158	2020-10-07 12:42:12	ZTF_AMPEL_COMPLETE	J. Nordin,V. Brinnel,M. Giomi et al.	ZTF	ZTF	07:31:34.220	+57:16:28.81	2020-10-07 10:48:54.432	19.53	g-ZTF		PSN		ZTF20accxwrk	ZTF		See arXiv:1904.05922 for selection criteria.		N
83434	2020-09-28 18:31:34	ALeRCE	F. Forster,A. Munoz-Arancibia,F.E. Bauer et al.	ALeRCE	ZTF	07:31:34.222	+57:16:28.92	2020-09-28 11:27:14.003	19.4584	g-ZTF		PSN	WISEA J073134.20+571628.9	ZTF20accxwrk	ZTF		SN candidate classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF20accxwrk	2020TNSTR2956....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

18945

2024-12-21 07:08:08

Emille Ishida

E. Russeil (LPCA), E. Quintin (ESA), M. Llamas Lanza (IRAP), E. Ishida (LPCA), J. Peloton (IJCLab), S. Karpov (CEICO), M.V. Pruzhinskaya (LPCA, SAI MSU), Zheltoukhov S. (SAI MSU), Dodin A. (SAI MSU), Belinskii A. (SAI MSU), for the Fink collaboration

Fink

TDE

0.066

1

Fink

Details of the object and its spectra can be viewed here: https://www.wis-tns.org/object/2020ukj

2024TNSCR5006....1R

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
19040	2024-12-14 00:00:00	CMO-2.5m / TDS		Zheltoukhov S., Dodin A., Belinskii A.		Fink	tns_2020ukj_2024-12-14_00-00-00_CMO-2.5m_TDS_Fink.txt		Object			Spectrum obtained with the CMO-2.5m telescope (Shatsky et al. 2020).

Comments

Object coordinates updated

Object coordinates updated according to AT-report 84158 of Group ZTF
Previous RA, DEC: 07:31:34.222, +57:16:28.92 (112.8925915, +57.2746999)
Updated RA, DEC: 07:31:34.220, +57:16:28.81 (112.89258345714, 57.2746683)

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