2020qxo | Transient Name Server

RA/DEC (2000)

00:41:59.602 +41:00:48.48

10.49834226 +41.01346652

Type

Nova

Redshift

0.00017

Discovery Report Classification Report

Reporting Group

XOSS

Discovering Data Source

XOSS

Discovery Date

2020-08-07 18:12:28.000

TNS AT

Y

Public

Y

Host Name

M31

Discovery Mag

18.3

Filter

Clear-

Reporter/s

Mi Zhang and Xing Gao

NED SIMBAD DECaLS PanSTARRS-1 SkyMapper VizieR WISE DSS ADS

Light curves

▌

P48_ZTF-Cam_r

▌

P48_ZTF-Cam_g

▌

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
	7341	2020-08-16 09:06:45	P60 / SEDM	2250	SEDmRobot	auto	ZTF	tns_2020qxo_2020-08-16_09-06-45_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

Light Curves

Filter

Tel / Inst

Obs-date range

JD Range

Photometry

r-ZTF

P48_ZTF-Cam

2020-08-04 08:49:24 - 2020-08-15 09:41:33

2459065.8676389 - 2459076.9038542

4

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
153843	2020-08-15 09:41:33	2459076.9038542	18.93	0.08	20.88	ABMag	r-ZTF	P48_ZTF-Cam	30
153842	2020-08-15 09:25:46	2459076.8928935	18.95	0.08	20.98	ABMag	r-ZTF	P48_ZTF-Cam	30
152964	2020-08-04 10:36:36	2459065.9420833	19.787	0.245		ABMag	r-ZTF	P48_ZTF-Cam	30	Robot
152963	2020-08-04 08:49:24	2459065.8676389			19.384	ABMag	r-ZTF	P48_ZTF-Cam	30	Robot	[Last non detection]

g-ZTF

P48_ZTF-Cam

2020-08-14 09:32:41 - 2020-08-14 09:32:41

2459075.8976968 - 2459075.8976968

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
153841	2020-08-14 09:32:41	2459075.8976968			20.7347	ABMag	g-ZTF	P48_ZTF-Cam	30		[Last non detection]

Clear-

Other_Other

2016-07-04 04:38:00 - 2020-08-08 04:26:35

2457573.69305 - 2459069.68513

5

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
152798	2020-08-08 04:26:35	2459069.68513	17.9		18.9	VegaMag	Clear-	Other_Other	180	Robot	MASTER-IAC
152797	2020-08-08 04:22:36	2459069.68236	17.9		19	VegaMag	Clear-	Other_Other	180	Robot	MASTER-IAC
152686	2020-08-07 18:12:28	2459069.2586574	18.3		20	VegaMag	Clear-	Other_Other	300	Mi Zhang and Xing Gao	Mi Zhang and Xing Gao，report the discovery of a possible nova (mag approximately 18.3) on several 300-s survey images (limiting mag about 20.0) taken by Xingming Observatory Sky Survey(C42) around Aug. 07.75866 UT using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ). the new object approximately located at R.A.=00h41m59s.60 Decl.=+41°00’48”.5 (equinox 2000.0). Which is about 504.2" west and 920" south of the center of the NGC224(M31). Nothing is visible at this position on archival images taken on Aug. 04.80896 (limiting mag 19.5). All images can be seen from: http://xjltp.china-vo.org/xm32mz.html
152685	2020-08-04 19:24:54	2459066.3089583			19.5	VegaMag	Clear-	Other_Other	300	Xing Gao	[Last non detection] using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ).
152796	2016-07-04 04:38:00	2457573.69305			21.3	VegaMag	Clear-	Other_Other	540	Robot	[Last non detection] MASTER-IAC

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

80138

2020-08-16 12:04:05

ZTF_AMPEL_COMPLETE

J. Nordin, V. Brinnel, M. Giomi et al.

ZTF

ZTF

00:41:59.602

+41:00:48.48

2020-08-15 09:25:45.696

18.95

r-ZTF

PSN

ZTF20abqhsxb

ZTF

See arXiv:1904.05922 for selection criteria.

N

79557

2020-08-10 16:19:09

Ismael Perez-Fournon

I. Perez-Fournon, C. Jimenez Angel, F. Poidevin (IAC & ULL) et al.

SGLF

ZTF

00:41:59.598

+41:00:48.46

2020-08-04 10:36:36.000

19.787

r-ZTF

PNV

M31

ZTF20abqhsxb

ZTF

Possible nova located 920.18" South and 505.63" West (3.8 kpc) of the nucleus of M31. Data were provided by the Zwicky Transient Facility (https://www.ztf.caltech.edu) and processed through the Lasair (https://lasair.roe.ac.uk), ALeRCE (https://alerce.online), ANTARES (https://antares.noirlab.edu), and MARS (https://mars.lco.global) brokers.

N

79462

2020-08-08 17:22:06

MASTER

A.Pozdnyakov, V. Lipunov, E. Gorbovskoy et al.

MASTER

MASTER

00:41:59.500

+41:00:48.80

2020-08-08 04:22:35.904

17.9

Clear-

PSN

MASTER OT J004159.50+410048.8

MASTER

N

79404

2020-08-07 20:08:37

Mi Zhang

Mi Zhang and Xing Gao

XOSS

XOSS

00:41:59.600

+41:00:48.50

2020-08-07 18:12:28.000

18.3

Clear-

1

PNV

M31

XM32MZ

XOSS

Mi Zhang and Xing Gao，report the discovery of a possible nova (mag approximately 18.3) on several 300-s survey images (limiting mag about 20.0) taken by Xingming Observatory Sky Survey(C42) around Aug. 07.75866 UT using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ). the new object approximately located at R.A.=00h41m59s.60 Decl.=+41°00’48”.5 (equinox 2000.0). Which is about 504.2" west and 920" south of the center of the NGC224(M31). Nothing is visible at this position on archival images taken on Aug. 04.80896 (limiting mag 19.5). All images can be seen from: http://xjltp.china-vo.org/xm32mz.html

2020TNSTR2416....1G

N

Related files

File	Comments	Last Modified (UT)	Modified By
tns_2020qxo_atrep_79404.png	Discovery Image	2020-08-07 20:17:26	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

7328

2020-08-18 16:10:43

ZTF_Bot1

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

ZTF

Nova

0.00017

1

ZTF

2020TNSCR2539....1D

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
7341	2020-08-16 09:06:45	P60 / SEDM	2250	SEDmRobot	auto	ZTF	tns_2020qxo_2020-08-16_09-06-45_P60_SEDM_ZTF.ascii		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 80138 of Group ZTF
Previous RA, DEC: 00:41:59.598, +41:00:48.46 (10.498325, +41.013461)
Updated RA, DEC: 00:41:59.602, +41:00:48.48 (10.49834226, 41.01346652)

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Object coordinates updated

Object coordinates updated according to AT-report 79557 of Group ZTF
Previous RA, DEC: 00:41:59.600, +41:00:48.50 (10.498333, +41.013472)
Updated RA, DEC: 00:41:59.598, +41:00:48.46 (10.498325, 41.013461)

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