2019gvn | Transient Name Server

RA/DEC (2000)

19:49:06.770 +10:06:58.35

297.27821 +10.1162077778

Type

CV

Redshift

0

Discovery Report Classification Report

Related AstroNotes: 2019-27

Reporting Group

BraTS

Discovering Data Source

BraTS

Discovery Date

2019-06-02 05:39:46.000

TNS AT

Y

Public

Y

Discovery Mag

14

Filter

Clear-

Reporter/s

C. Jacques, J. Barros, E. Pimentel (SONEAR), P. Holvorcem (Holvorcem Ltda.), on behalf of the Brazilian Transient Search (BraTS) team

NED SIMBAD DECaLS PanSTARRS-1 SkyMapper VizieR WISE DSS ADS

Light curves

▌

ATLAS-MLO_ATLAS-01_orange

▌

ATLAS-HKO_ATLAS-02_cyan

▌

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
	4252	2019-06-09 06:17:58	ESO-NTT / EFOSC2-NTT	119	E. Swann, C. Frohmaier	M. Nicholl, P. Short	ePESSTO+	tns_2019gvn_2019-06-09_06-17-58_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci	tns_2019gvn_2019-06-09_06-17-58_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits	Object
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
	4246	2019-06-09 01:55:12	Ekar / BC-Ekar	1800	P. Ochner	P. Ochner / A.Pastorello	Padova-Asiago	tns_2019gvn_2019-06-09.08_Ekar_BC-Ekar_Padova-Asiago.ascii		Object			The observation was performed on 2019-06-09.08 UT with the Asiago 1.22 m Galileo Galilei Telescope equipped with the B&C spectrograph (grt 300, range 330-790 nm; resolution 0.6 nm).
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 The observation was performed on 2019-06-09.08 UT with the Asiago 1.22 m Galileo Galilei Telescope equipped with the B&C spectrograph (grt 300, range 330-790 nm; resolution 0.6 nm).

Light Curves

Filter

Tel / Inst

Obs-date range

JD Range

Photometry

orange-ATLAS

ATLAS-MLO_ATLAS-01

2019-06-03 11:11:02 - 2019-06-03 11:11:02

2458637.9659954 - 2458637.9659954

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
69540	2019-06-03 11:11:02	2458637.9659954	14.456	0.008	19.08	ABMag	orange-ATLAS	ATLAS-MLO_ATLAS-01	30	Robot

cyan-ATLAS

ATLAS-HKO_ATLAS-02

2019-05-31 14:18:14 - 2019-05-31 14:18:14

2458635.0959954 - 2458635.0959954

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
69539	2019-05-31 14:18:14	2458635.0959954			19.61	ABMag	cyan-ATLAS	ATLAS-HKO_ATLAS-02	30	Robot	[Last non detection]

Clear-

Other_Other

2019-05-22 08:09:36 - 2019-06-02 05:39:46

2458625.84 - 2458636.7359491

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
69464	2019-06-02 05:39:46	2458636.7359491	14	0.2	16	Other	Clear-	Other_Other	10	cjacques
69463	2019-05-22 08:09:36	2458625.84			16.5	Other	Clear-	Other_Other	10	Cjacques	[Last non detection] Astrograph 11"f/2.2

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
36944	2019-06-04 10:30:04	ATLAS_Bot1	J. Tonry,L. Denneau,A. Heinze et al.	ATLAS	ATLAS	19:49:06.770	+10:06:58.35	2019-06-03 11:11:02.000	14.456	orange-ATLAS		PSN		ATLAS19mda	ATLAS				N
36916	2019-06-03 18:26:21	Cristovao Jacques	C. Jacques,J. Barros,E. Pimentel (SONEAR) et al.	BraTS	BraTS	19:49:06.810	+10:06:58.70	2019-06-02 05:39:46.000	14	Clear-		PSN		BraTS-SON-T2-006	BraTS		GAIA-DR2 source ID 4301967650318921216 (position end figures 6.77s, 58.28", g=20.901)	2019TNSTR.916....1J	N

Classification Reports

ID

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

4245

2019-06-09 18:05:36

ePESSTOplus_Bot1

E. Swann, C. Frohmaier, M. Nicholl, P. Short, O. Yaron on behalf of ePESSTO+

ePESSTO+

CV

0

1

ePESSTO+

2019TNSCR2817....1S

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
4252	2019-06-09 06:17:58	ESO-NTT / EFOSC2-NTT	119	E. Swann, C. Frohmaier	M. Nicholl, P. Short	ePESSTO+	tns_2019gvn_2019-06-09_06-17-58_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci	tns_2019gvn_2019-06-09_06-17-58_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits	Object

4239

2019-06-09 10:45:33

Andrea Pastorello

Andrea Pastorello

Padova-Asiago

CV

1

Padova-Asiago

The low signal-to-noise spectrum of AT2019gvn (a.k.a. BraTS-SON-T2-006; discovered by the Brazilian Transient Search (BraTS) team; TNS Astronomical Transient Report No. 36916), shows a blue continuum with absorption lines of the Balmer series at redshift 0. This suggests the transient being a Galactic stellar source, most likely a cataclismic variable.

2019TNSCR.964....1P

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
4246	2019-06-09 01:55:12	Ekar / BC-Ekar	1800	P. Ochner	P. Ochner / A.Pastorello	Padova-Asiago	tns_2019gvn_2019-06-09.08_Ekar_BC-Ekar_Padova-Asiago.ascii		Object			The observation was performed on 2019-06-09.08 UT with the Asiago 1.22 m Galileo Galilei Telescope equipped with the B&C spectrograph (grt 300, range 330-790 nm; resolution 0.6 nm).

Comments

Object coordinates updated

Object coordinates updated according to AT-report 36944 of Group ATLAS
Previous RA, DEC: 19:49:06.810, +10:06:58.70 (297.278375, +10.116306)
Updated RA, DEC: 19:49:06.770, +10:06:58.35 (297.27821, 10.1162077778)

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