2022ldm | Transient Name Server

RA/DEC (2000)

20:08:56.270 +07:51:41.36

302.234458 +7.861489

Type

CV

Redshift

Discovery Report Classification Report

Reporting Group

ATLAS

Discovering Data Source

ATLAS

Discovery Date

2022-05-27 13:18:54.720

TNS AT

Y

Public

Y

Discovery Mag

17.615

Filter

orange-ATLAS

Reporter/s

J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii), N. Erasmus, W. Koorts (South African Astronomical Observatory), J. Anderson (ESO), A. Jordan, V. Suc (UAI, Obstech), K. W. Smith, S. Srivastav, D. R. Young, S. J. Smartt, J. Gillanders, M. Fulton, M. McCollum, T. Moore (Queen's University Belfast), L. Shingles (GSI/QUB), A. Rest (STScI), T.-W. Chen (Stockholm), M. Nicholl (Birmingham), D. Pacheco (PUC), C. Stubbs (Harvard)

NED SIMBAD DECaLS PanSTARRS-1 SkyMapper VizieR WISE DSS ADS

Light curves

▌

ATLAS-STH_ATLAS-03_orange

▌

Gaia_Gaia-photometric_G

▌

ATLAS-MLO_ATLAS-01_orange

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
	12646	2022-06-03 16:11:07	Other / Other	1800	Masayuki Yamanaka	Kenta Taguchi	None	tns_2022ldm_2022-06-03_16-11-07_Other_Other.dat	tns_2022ldm_2022-06-03_16-11-07_Other_Other.fits	Object			We performed the follow-up spectroscopic observation using the KOOLS-IFU attached to the 3.8-m Seimei telescope at Okayama Observatory. The spectral resolution is ~ 500 and the wavelength coverage is 4100-8900 A.
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 We performed the follow-up spectroscopic observation using the KOOLS-IFU attached to the 3.8-m Seimei telescope at Okayama Observatory. The spectral resolution is ~ 500 and the wavelength coverage is 4100-8900 A.

Light Curves

Filter

Tel / Inst

Obs-date range

JD Range

Photometry

orange-ATLAS

ATLAS-STH_ATLAS-03

2022-05-26 02:17:26 - 2022-05-26 02:17:26

2459725.59544 - 2459725.59544

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
284787	2022-05-26 02:17:26	2459725.59544			19.36	ABMag	orange-ATLAS	ATLAS-STH_ATLAS-03	30	Robot	[Last non detection]

G-Gaia

Gaia_Gaia-photometric

2022-05-27 03:04:19 - 2022-05-27 04:50:53

2459726.628 - 2459726.702

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
288486	2022-05-27 04:50:53	2459726.702	20.12	0.2		ABMag	G-Gaia	Gaia_Gaia-photometric	60	Robot
288485	2022-05-27 03:04:19	2459726.628			21.5	ABMag	G-Gaia	Gaia_Gaia-photometric		Robot	[Last non detection]

orange-ATLAS

ATLAS-MLO_ATLAS-01

2022-05-27 13:18:55 - 2022-05-27 13:18:55

2459727.0548 - 2459727.0548

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
284788	2022-05-27 13:18:55	2459727.0548	17.615	0.046	19.35	ABMag	orange-ATLAS	ATLAS-MLO_ATLAS-01	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	ADS Bibcode	Unreal	Auto classification
150360	2022-06-15 09:39:32	Gaia_Bot1	S.T. Hodgkin, E. Breedt, A. Delgado et al.	GaiaAlerts	GaiaAlerts	20:08:56.270	+07:51:41.36	2022-05-27 04:50:52.800	20.12	G-Gaia		PSN		Gaia22cma	GaiaAlerts		confirmed CV		N
148547	2022-05-28 14:18:19	ATLAS_Bot1	J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al.	ATLAS	ATLAS	20:08:56.267	+07:51:41.05	2022-05-27 13:18:54.720	17.615	orange-ATLAS		PSN		ATLAS22pgv	ATLAS			2022TNSTR1462....1T	N

Classification Reports

ID

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

12588

2022-06-04 14:59:08

Kenta Taguchi

Masayuki Yamanaka (Kyoto University), Nozomu Tominaga (National Astronomical Observatory of Japan), Ryotaro Koshi (the University of Tokyo), Kenta Taguchi (Kyoto University)

None

CV

1

Our spectrum is consistent with that of a CV.

2022TNSCR1554....1Y

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
12646	2022-06-03 16:11:07	Other / Other	1800	Masayuki Yamanaka	Kenta Taguchi	None	tns_2022ldm_2022-06-03_16-11-07_Other_Other.dat	tns_2022ldm_2022-06-03_16-11-07_Other_Other.fits	Object			We performed the follow-up spectroscopic observation using the KOOLS-IFU attached to the 3.8-m Seimei telescope at Okayama Observatory. The spectral resolution is ~ 500 and the wavelength coverage is 4100-8900 A.

Comments

Object coordinates updated

Object coordinates updated according to AT-report 150360 of Group GaiaAlerts
Previous RA, DEC: 20:08:56.267, +07:51:41.05 (302.234446667, +7.86140166667)
Updated RA, DEC: 20:08:56.270, +07:51:41.36 (302.234458, 7.861489)

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