2021bfs | Transient Name Server

RA/DEC (2000)

00:42:52.179 +41:16:24.52

10.7174145 +41.2734767

Type

Nova

Redshift

Discovery Report Classification Report

Reporting Group

ISSP

Discovering Data Source

ISSP

Discovery Date

2021-01-26 17:16:48.000

TNS AT

Y

Public

Y

Host Name

M31

Discovery Mag

17.6

Filter

Clear-

Reporter/s

Raffaele Belligoli

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
	8789	2021-02-04 09:36:00	Other / Other	1800	Taguchi,Isogai	Taguchi	None	tns_2021bfs_2021-02-04.4_Other_Other.dat	tns_2021bfs_2021-02-04.4_Other_Other.fits	Object			See ATel #14370. Using a fiber-fed integral field spectrograph (KOOLS-IFU) mounted on the 3.8-m telescope Seimei at Okayama Observatory of Kyoto University.
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 See ATel #14370. Using a fiber-fed integral field spectrograph (KOOLS-IFU) mounted on the 3.8-m telescope Seimei at Okayama Observatory of Kyoto University.

Light Curves

Filter

Tel / Inst

Obs-date range

JD Range

Photometry

r-ZTF

P48_ZTF-Cam

2021-01-18 03:48:22 - 2021-01-18 03:48:22

2459232.658588 - 2459232.658588

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
189368	2021-01-18 03:48:22	2459232.658588			20.6009	ABMag	r-ZTF	P48_ZTF-Cam	30	Robot	[Last non detection] Data provided by ZTF

g-ZTF

P48_ZTF-Cam

2021-02-03 03:15:38 - 2021-02-03 03:15:38

2459248.6358565 - 2459248.6358565

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
189369	2021-02-03 03:15:38	2459248.6358565	15.9598	0.0327185	20.0944	ABMag	g-ZTF	P48_ZTF-Cam	30	Robot	Data provided by ZTF

orange-ATLAS

ATLAS-MLO_ATLAS-01

2021-01-28 06:38:53 - 2021-01-28 06:38:53

2459242.777 - 2459242.777

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
188836	2021-01-28 06:38:53	2459242.777	16.733	0.112	17.46	ABMag	orange-ATLAS	ATLAS-MLO_ATLAS-01	30	Robot

orange-ATLAS

ATLAS-HKO_ATLAS-02

2021-01-25 05:39:50 - 2021-01-25 05:39:50

2459239.736 - 2459239.736

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
188835	2021-01-25 05:39:50	2459239.736			13.81	ABMag	orange-ATLAS	ATLAS-HKO_ATLAS-02	30	Robot	[Last non detection]

Clear-

Other_Other

2021-01-24 18:54:43 - 2021-01-26 17:16:48

2459239.288 - 2459241.22

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
188777	2021-01-26 17:16:48	2459241.22	17.6	0.05	19	STMag	Clear-	Other_Other	4800	F.Castellani	New transient was clearly detected on '2021-01-26.7209' UT using 16 x 300s frames (4800s total) obtained by a Moravian G4-9000 KAF unfiltered CCD with the 0.4m f.8 Ritchey-Chrétien telescope from Monte Baldo "A.Gelodi" Astronomic Observatory, località Novezzina, Ferrara di Monte Baldo, Verona, Italy. The discovery magnitude is 17.6±0.5 mag in the CV band (clear visual). We will continue to monitor the nova light curve and strongly encourage additional follow-up observations.
188776	2021-01-24 18:54:43	2459239.288			19	STMag	Clear-	Other_Other	4800	F.Castellani	[Last non detection] Last non-detected image on '2021-01-24.78888' UT using 16x 300s frames (4800s total) was obtained by a Moravian G4-9000 KAF unfiltered CCD with the 0.4m f.8 Ritchey-Chrétien

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

98168

2021-02-03 19:46:22

ALeRCE

A. Munoz-Arancibia,F. Forster,F.E. Bauer et al.

ALeRCE

ZTF

00:42:52.179

+41:16:24.52

2021-02-03 03:15:38.002

15.9598

g-ZTF

PSN

M31

ZTF21aagkzmc

ZTF

Nova candidate in M31 (g-rise > 0.29+-0.00 mag/day) 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/ZTF21aagkzmc

N

97871

2021-01-28 11:21:53

ATLAS_Bot1

J. Tonry,L. Denneau,A. Heinze et al.

ATLAS

ATLAS

00:42:52.173

+41:16:24.52

2021-01-28 06:38:52.800

16.733

orange-ATLAS

PSN

ATLAS21dfm

ATLAS

N

97840

2021-01-26 20:55:16

Raffaele Belligoli

Raffaele Belligoli et al.

ISSP

ISSP

00:42:52.200

+41:16:24.60

2021-01-26 17:16:48.000

17.6

Clear-

1

PNV

M31

PNV-OMB15

ISSP

OMB extragalactic nova monitoring with ISSP collaboration reports the discovery of a probable nova in M31 by F.Castellani, R.Belligoli and C.Marangoni. The transient designated also PNV J00425220+4116246

2021TNSTR.247....1B

N

Related files

File	Comments	Last Modified (UT)	Modified By
tns_2021bfs_atrep_97840_ISSP.jpg	The new transient was clearly detected on '2021-01-26.7209' UT using 16 x 300s frames (4800s total) obtained by a Moravian G4-9000 KAF unfiltered CCD with the 0.4m f.8 Ritchey-Chrétien telescope from Monte Baldo "A.Gelodi" Astronomic Observatory, località Novezzina, Ferrara di Monte Baldo, Verona, Italy. The discovery magnitude is 17.6±0.5 mag in the CV band (clear visual). The discovery image is also available at: http://www.osservatoriomontebaldo.it/uploads/ISSP/20210126-M31-PNVJ00425220.4116246.jpg	2021-01-26 20:55:16	Raffaele Belligoli

Classification Reports

ID

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

8777

2021-02-05 05:31:15

Kenta Taguchi

Kenta Tagchi (Kyoto Univ), Naoto Kojiguchi (Kyoto), Keisuke Isogai (Kyoto), Claudio Balcon (ISSP)

None

Nova

1

ATel #14370

2021TNSCR.354....1T

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
8789	2021-02-04 09:36:00	Other / Other	1800	Taguchi,Isogai	Taguchi	None	tns_2021bfs_2021-02-04.4_Other_Other.dat	tns_2021bfs_2021-02-04.4_Other_Other.fits	Object			See ATel #14370. Using a fiber-fed integral field spectrograph (KOOLS-IFU) mounted on the 3.8-m telescope Seimei at Okayama Observatory of Kyoto University.

Comments

Object coordinates updated

Object coordinates updated according to AT-report 98168 of Group ZTF
Previous RA, DEC: 00:42:52.173, +41:16:24.52 (10.717388, +41.273478)
Updated RA, DEC: 00:42:52.179, +41:16:24.52 (10.7174145, 41.2734767)

Log in or register to post comments

Object coordinates updated

Object coordinates updated according to AT-report 97871 of Group ATLAS
Previous RA, DEC: 00:42:52.200, +41:16:24.60 (10.7175, +41.2735)
Updated RA, DEC: 00:42:52.173, +41:16:24.52 (10.717388, 41.273478)

Log in or register to post comments

Log in or register to post comments