2025cly | Transient Name Server

RA/DEC (2000)

13:43:27.461 +43:28:28.40

205.864422 +43.4745544

Type

CV

Redshift

Discovery Report Classification Report

Related AstroNotes: 2025-69

Reporting Group

ATLAS

Discovering Data Source

ATLAS

Discovery Date

2025-02-23 13:04:26.400

TNS AT

Y

Public

Y

Discovery Mag

19.196

Filter

orange-ATLAS

Reporter/s

J. Tonry, L. Denneau, H. Weiland, R. Siverd (IfA, University of Hawaii), N. Erasmus, W. Koorts (South African Astronomical Observatory), A. Jordan, V. Suc (UAI, Obstech), S. J. Smartt, K. W. Smith (Oxford/QUB), D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng, C. R. Angus, A. Wilson, A. Aamer, D. Magill (QUB), P. Ramsden (Birmingham/QUB), L. Shingles (GSI/QUB), S. Srivastav, J. H. Gillanders, H. Stevance, A. J. Cooper, F. Stoppa (Oxford), L. Rhodes (TSI/McGill), A. Rest (STScI), T.-W. Chen (NCU), C. Stubbs (Harvard), J. S. Sommer (LMU), B. P. Schmidt (ANU)

NED SIMBAD DECaLS PanSTARRS-1 SkyMapper VizieR WISE DSS ADS

Light curves

▌

P48_ZTF-Cam_r

▌

P48_ZTF-Cam_g

▌

ATLAS-MLO_ATLAS-01_orange

▌

ATLAS-HKO_ATLAS-02_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
	20457	2025-02-24 17:23:33	Lijiang-2.4m / YFOSC		Jujia Zhang		LiONS	tns_2025cly_2025-02-24_17-23-32.949_Lijiang-2.4m_YFOSC_LiONS_0.dat		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
	20456	2025-02-24 17:23:33	Lijiang-2.4m / YFOSC		Jujia Zhang		LiONS	tns_2025cly_2025-02-24_17-23-32.949_Lijiang-2.4m_YFOSC_LiONS.dat		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

Light Curves

Filter

Tel / Inst

Obs-date range

JD Range

Photometry

r-ZTF

P48_ZTF-Cam

2025-02-25 09:50:51 - 2025-02-25 09:50:51

2460731.9103125 - 2460731.9103125

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
472103	2025-02-25 09:50:51	2460731.9103125			20.6651	ABMag	r-ZTF	P48_ZTF-Cam			[Last non detection]

g-ZTF

P48_ZTF-Cam

2025-02-25 10:50:40 - 2025-02-25 10:50:40

2460731.9518519 - 2460731.9518519

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
472104	2025-02-25 10:50:40	2460731.9518519	18.5776	0.0922068		ABMag	g-ZTF	P48_ZTF-Cam
472105	2025-02-25 10:50:40	2460731.9518519	18.5776	0.092207		ABMag	g-ZTF	P48_ZTF-Cam

orange-ATLAS

ATLAS-MLO_ATLAS-01

2025-02-23 13:04:26 - 2025-02-23 13:04:26

2460730.04475 - 2460730.04475

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
471099	2025-02-23 13:04:26	2460730.04475	19.196	0.17	19.62	ABMag	orange-ATLAS	ATLAS-MLO_ATLAS-01	30	Robot

orange-ATLAS

ATLAS-HKO_ATLAS-02

2025-02-22 11:18:29 - 2025-02-22 11:18:29

2460728.97117 - 2460728.97117

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
471098	2025-02-22 11:18:29	2460728.97117			19.41	ABMag	orange-ATLAS	ATLAS-HKO_ATLAS-02	30	Robot	[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
246072	2025-02-26 19:32:42	ZTF_CATS150	Theophile du Laz (Caltech),Kaustav Kashyap Das (Caltech),Mansi Kasliwal (Caltech) on behalf of ZTF et al.	ZTF	ZTF	13:43:27.461	+43:28:28.40	2025-02-25 10:50:40.004	18.5776	g-ZTF		PSN		ZTF25aaheicm	ZTF				N
245662	2025-02-23 16:06:32	ATLAS_Bot1	J. Tonry,L. Denneau,H. Weiland et al.	ATLAS	ATLAS	13:43:27.459	+43:28:28.44	2025-02-23 13:04:26.400	19.196	orange-ATLAS		PSN		ATLAS25bxt	ATLAS			2025TNSTR.734....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

20457

2025-02-25 06:07:04

Liping Li

Liping Li, Qian Zhai, Jujia Zhang (YNAO); Xiaofeng Wang(THU)

LiONS

CV

1

LiONS

The spectrum seems matches that of a CV.

2025TNSCR.782....1L

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
20457	2025-02-24 17:23:33	Lijiang-2.4m / YFOSC		Jujia Zhang		LiONS	tns_2025cly_2025-02-24_17-23-32.949_Lijiang-2.4m_YFOSC_LiONS_0.dat		Object

20456

2025-02-25 06:07:02

Liping Li

Liping Li, Qian Zhai, Jujia Zhang (YNAO); Xiaofeng Wang(THU)

LiONS

CV

1

LiONS

The spectrum seems matches that of a CV.

2025TNSCR.782....1L

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
20456	2025-02-24 17:23:33	Lijiang-2.4m / YFOSC		Jujia Zhang		LiONS	tns_2025cly_2025-02-24_17-23-32.949_Lijiang-2.4m_YFOSC_LiONS.dat		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 246072 of Group ZTF
Previous RA, DEC: 13:43:27.459, +43:28:28.44 (205.864414444, +43.4745655556)
Updated RA, DEC: 13:43:27.461, +43:28:28.40 (205.864422, 43.4745544)

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