2023ebq | Transient Name Server

RA/DEC (2000)

11:00:05.521 -23:48:33.81

165.023005675 -23.8093922946

Type

Redshift

Discovery Report Classification Report

Reporting Group

ATLAS

Discovering Data Source

ATLAS

Discovery Date

2023-03-18 22:15:53.280

TNS AT

Public

Discovery Mag

15.03

Filter

cyan-ATLAS

Reporter/s

J. Tonry, L. Denneau, H. Weiland, A. Lawrence, R. Siverd (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, J. Weston (Queen's University Belfast), L. Shingles (GSI/QUB), A. Rest (STScI), T.-W. Chen (TUM/MPA), M. Nicholl (Birmingham), C. Stubbs (Harvard), J. Sommer (LMU/QUB), L. Rhodes, A. Andersson (Oxford)

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
	14668	2023-03-28 22:02:27	LT / SPRAT	1200	Robotic	Auto	OxQUB	tns_2023ebq_2023-03-28_22-02-27_LT_SPRAT_QUB.txt		Object			Spectrum was obtained with SPRAT on the Liverpool Telescope and reduced using the integrated quick reduction pipeline.
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 Spectrum was obtained with SPRAT on the Liverpool Telescope and reduced using the integrated quick reduction pipeline.

Light Curves

Filter

Tel / Inst

Obs-date range

JD Range

Photometry

w-P1

PS2_GPC2

2023-03-27 09:10:13 - 2023-03-27 09:10:13

2460030.88209 - 2460030.88209

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
336818	2023-03-27 09:10:13	2460030.88209	16.3	0.01	22	ABMag	w-P1	PS2_GPC2	45	Robot

orange-ATLAS

ATLAS-CHL_ATLAS-04

2023-03-16 05:48:45 - 2023-03-16 05:48:45

2460019.74219 - 2460019.74219

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
333660	2023-03-16 05:48:45	2460019.74219			19.44	ABMag	orange-ATLAS	ATLAS-CHL_ATLAS-04	30	Robot	[Last non detection]

cyan-ATLAS

ATLAS-STH_ATLAS-03

2023-03-18 22:15:53 - 2023-03-18 22:15:53

2460022.4277 - 2460022.4277

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
333661	2023-03-18 22:15:53	2460022.4277	15.03	0.01	19.78	ABMag	cyan-ATLAS	ATLAS-STH_ATLAS-03	30	Robot

r-ZTF

P48_ZTF-Cam

2023-03-13 08:29:46 - 2023-03-17 07:03:22

2460016.854 - 2460020.794

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
334630	2023-03-17 07:03:22	2460020.794	14.99			ABMag	r-ZTF	P48_ZTF-Cam	30	ZTF
334629	2023-03-13 08:29:46	2460016.854			17.4	ABMag	r-ZTF	P48_ZTF-Cam	30	ZTF	[Last non detection]

g-ZTF

P48_ZTF-Cam

2023-04-02 07:00:29 - 2023-04-02 07:00:29

2460036.792 - 2460036.792

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
334631	2023-04-02 07:00:29	2460036.792	16.91			ABMag	g-ZTF	P48_ZTF-Cam	30	ZTF

AT Reports

ID	Time received (UT)	Sender	Reporter/s	Reporting group	Disc. Data Source	RA	DEC	Discovery date (UT)	Discovery Mag.	Filter	AT Type	Internal name	Assoc. Groups	ADS Bibcode	Unreal
174758	2023-04-14 13:28:46	PS1_Bot1	K. C. Chambers,T. de Boer,J. Bulger et al.	Pan-STARRS	Pan-STARRS	11:00:05.521	-23:48:33.81	2023-03-27 09:10:12.576	16.3	w-P1	PSN	PS23buy	Pan-STARRS		N
173635	2023-04-02 23:23:45	ZTF_Bot1	C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) collaboration et al.	ZTF	ZTF	11:00:05.521	-23:48:34.01	2023-03-17 07:03:21.600	14.99	r-ZTF	PSN	ZTF23aadhssd	ZTF		N
173163	2023-03-28 13:13:23	ATLAS_Bot1	J. Tonry,L. Denneau,H. Weiland et al.	ATLAS	ATLAS	11:00:05.522	-23:48:34.06	2023-03-18 22:15:53.280	15.03	cyan-ATLAS	PSN	ATLAS23dwy	ATLAS	2023TNSTR.656....1T	N

Classification Reports

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

14594

2023-03-29 16:21:32

Michael Fulton

M. Fulton, S. Srivastav, M. Nicholl, K. W. Smith, D. R. Young, T. Moore, J. Weston, S. A. Sim (QUB), S. J. Smartt (Oxford/QUB), L. Shingles (GSI/QUB)

OxQUB

The spectrum resembles a blue continuum with faint H-alpha in emission and remaining Balmer lines in absorption at rest wavelength.

2023TNSCR.670....1F

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
14668	2023-03-28 22:02:27	LT / SPRAT	1200	Robotic	Auto	OxQUB	tns_2023ebq_2023-03-28_22-02-27_LT_SPRAT_QUB.txt		Object			Spectrum was obtained with SPRAT on the Liverpool Telescope and reduced using the integrated quick reduction pipeline.

Comments

Object coordinates updated

Object coordinates updated according to AT-report 174758 of Group Pan-STARRS
Previous RA, DEC: 11:00:05.521, -23:48:34.01 (165.0230032, -23.809447)
Updated RA, DEC: 11:00:05.521, -23:48:33.81 (165.023005675, -23.8093922946)

Object coordinates updated

Object coordinates updated according to AT-report 173635 of Group ZTF
Previous RA, DEC: 11:00:05.522, -23:48:34.06 (165.023008103, -23.8094613793)
Updated RA, DEC: 11:00:05.521, -23:48:34.01 (165.0230032, -23.809447)

Likely CV

Likely CV, not extragalactic transient. High amplitude variation. Faint counterpart.

AT 2023ebq

Spectra

Light curves

Comments

Object coordinates updated

Object coordinates updated

Likely CV