2020vak | Transient Name Server

RA/DEC (2000)

00:42:49.620 +41:16:52.10

10.70675 +41.281139

Type

---

Redshift

Discovery Report Classification Report

Reporting Group

XOSS

Discovering Data Source

XOSS

Discovery Date

2020-10-07 15:36:23.000

TNS AT

Y

Public

Y

Host Name

M31

Discovery Mag

17.6

Filter

Clear-

Reporter/s

Mi Zhang and Xing Gao

NED SIMBAD DECaLS PanSTARRS-1 SkyMapper VizieR WISE DSS ADS

Light curves

▌

Other_Other_Clear

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
	7758	2020-10-19 00:35:17	Other / Other	8400	Lionel Mulato		None	tns_2020vak_2459141.5245_Other_Other.dat	tns_2020vak_2459141.5245_Other_Other.fits	Object			Amateur spectrum acquired from France with an Alpy600 spectroscope (R~600), 0,2 m F/5 Newtonian Telescope, CCD cam Atik414 EX.
Binning factor: (rounded to nearest integer >1) Mouse hovers at WL: 0 (rest), ▌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 Amateur spectrum acquired from France with an Alpy600 spectroscope (R~600), 0,2 m F/5 Newtonian Telescope, CCD cam Atik414 EX.

Light Curves

Filter

Tel / Inst

Obs-date range

JD Range

Photometry

Clear-

Other_Other

2020-10-05 13:48:19 - 2020-10-26 21:18:23

2459128.0752199 - 2459149.38777

9

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
168017	2020-10-26 21:18:23	2459149.38777	20.09	0.06	21	ABMag	Clear-	Other_Other	1200	M. Kendurkar
166123	2020-10-18 18:03:52	2459141.2526852	14.6		20.5	VegaMag	Clear-	Other_Other	300	Mi Zhang and Xing Gao
165496	2020-10-16 15:30:56	2459139.1464815	15.8		20.5	VegaMag	Clear-	Other_Other	300	Mi Zhang and Xing Gao	Outburst of AT 2020vak. Seeing: http://xjltp.china-vo.org/xm37mz.html
165497	2020-10-15 18:33:02	2459138.2729398	17.1		20.5	VegaMag	Clear-	Other_Other	300	Mi Zhang and Xing Gao
168016	2020-10-08 21:13:32	2459131.3844			21	ABMag	Clear-	Other_Other	1200	M. Kendurkar	[Last non detection]
162261	2020-10-07 21:30:00	2459130.3958333	19	0.5	19.5	ABMag	Clear-	Other_Other	1200	Matthieu Conjat	400mm Cassegrain telescope at the Observatory of Nice - IAU 020
162126	2020-10-07 15:36:23	2459130.1502662	17.6		20.5	VegaMag	Clear-	Other_Other	300	Mi Zhang and Xing Gao	Seeing: http://xjltp.china-vo.org/xm37mz.html
162260	2020-10-05 22:40:00	2459128.4444444			19.5	ABMag	Clear-	Other_Other	1500	Matthieu Conjat	[Last non detection]
162125	2020-10-05 13:48:19	2459128.0752199			20.5	VegaMag	Clear-	Other_Other	300	Mi Zhang and Xing Gao	[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

87503

2020-10-27 08:19:17

Malhar Kendurkar

M. Kendurkar, R. Chinchwadkar, C. Raguenaud and A. Chapman for GSNST Team

GSNST

GSNST

00:42:49.362

+41:16:51.76

2020-10-27 08:11:31.776

20.09

Clear-

PSN

M31

GSNST-20cu

GSNST

Possible nova or CV candidate in M31, visible in several epochs, on the rise.

N

86554

2020-10-18 19:59:35

Mi Zhang

Mi Zhang and Xing Gao

XOSS

XOSS

00:42:49.620

+41:16:52.10

2020-10-18 18:03:52.000

14.6

Clear-

PNV

M31

XM37MZ

XOSS

N

86156

2020-10-16 16:43:19

Mi Zhang

Mi Zhang and Xing Gao

XOSS

XOSS

00:42:49.610

+41:16:52.20

2020-10-16 15:30:56.000

15.8

Clear-

PSN

M31

XM37MZ

XOSS

Outburst of AT 2020vak. Seeing: http://xjltp.china-vo.org/xm37mz.html

N

84218

2020-10-07 22:30:27

Matthieu Conjat

Matthieu Conjat

00:42:49.000

+41:16:52.00

2020-10-07 21:30:00.000

19

Clear-

1

Other

M31

possible Nova

N

Related files

File	Comments	Last Modified (UT)	Modified By
tns_2020vak_atrep_84218.jpg		2020-10-07 22:30:27	Matthieu Conjat

84165

2020-10-07 16:11:20

Mi Zhang

Mi Zhang and Xing Gao

XOSS

XOSS

00:42:49.600

+41:16:52.30

2020-10-07 15:36:23.000

17.6

Clear-

1

PNV

M31

XM37MZ

XOSS

Seeing: http://xjltp.china-vo.org/xm37mz.html

2020TNSTR3047....1Z

N

Related files

File	Comments	Last Modified (UT)	Modified By
tns_2020vak_atrep_84165.png	Discovery Image	2020-10-07 17:13:32	Mi Zhang

Classification Reports

ID

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

7744

2020-10-20 08:06:44

Lionel Mulato

Lionel Mulato

None

Other

1

Nature unknown, Gelato indicates a type II SN.

2020TNSCR3191....1M

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
7758	2020-10-19 00:35:17	Other / Other	8400	Lionel Mulato		None	tns_2020vak_2459141.5245_Other_Other.dat	tns_2020vak_2459141.5245_Other_Other.fits	Object			Amateur spectrum acquired from France with an Alpy600 spectroscope (R~600), 0,2 m F/5 Newtonian Telescope, CCD cam Atik414 EX.

Comments

Object coordinates updated

Object coordinates updated according to AT-report 86554 of Group XOSS
Previous RA, DEC: 00:42:49.610, +41:16:52.20 (10.706708, +41.281167)
Updated RA, DEC: 00:42:49.620, +41:16:52.10 (10.70675, 41.281139)

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Object coordinates updated

Object coordinates updated according to AT-report 86156 of Group XOSS
Previous RA, DEC: 00:42:49.600, +41:16:52.30 (10.706667, +41.281194)
Updated RA, DEC: 00:42:49.610, +41:16:52.20 (10.706708, 41.281167)

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