2024xyn | Transient Name Server

RA/DEC (2000)

02:39:23.969 +02:39:07.88

39.849871 +2.652189

Type

SN Ia

Redshift

0.021522

Discovery Report Classification Report

Related AstroNotes: 2024-292, 2024-299

Reporting Group

ATLAS

Discovering Data Source

ATLAS

Discovery Date

2024-10-13 10:36:08.064

TNS AT

Y

Public

Y

Discovery Mag

18.192

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. Sommer (LMU/QUB), B. P. Schmidt (ANU)

NED SIMBAD DECaLS PanSTARRS-1 SkyMapper VizieR WISE DSS ADS

Light curves

▌

ATLAS-STH_ATLAS-03_orange

▌

GOTO-N_GOTO-1_L

▌

BG4_BlackGEM-Cam4_BG-q

▌

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
	18493	2024-10-15 00:38:31	LT / SPRAT		Daniel Perley, Jacob Wise, K-Ryan Hinds, Aleksandra Bochenek, Anna Ho	Jacob Wise	ZTF	tns_2024xyn_2024-10-15_00-38-31.141_LT_SPRAT_ZTF.ascii		Object
Binning factor: (rounded to nearest integer >1) Mouse hovers at WL: 0 (rest), 0 (observed) ▌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
	18494	2024-10-14 20:50:11	Lijiang-2.4m / YFOSC		Jujia Zhang		LiONS	tns_2024xyn_2024-10-14_20-50-11.200_Lijiang-2.4m_YFOSC_LiONS.dat		Object
Binning factor: (rounded to nearest integer >1) Mouse hovers at WL: 0 (rest), 0 (observed) ▌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

orange-ATLAS

ATLAS-STH_ATLAS-03

2024-10-09 22:40:07 - 2024-10-09 22:40:07

2460593.44453 - 2460593.44453

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
439668	2024-10-09 22:40:07	2460593.44453			19.13	ABMag	orange-ATLAS	ATLAS-STH_ATLAS-03	30	Robot	[Last non detection]

L-GOTO

GOTO-N_GOTO-1

2024-10-11 02:26:20 - 2024-10-20 00:24:57

2460594.601619 - 2460603.517334

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
440781	2024-10-20 00:24:57	2460603.517334	16.6	0.03		ABMag	L-GOTO	GOTO-N_GOTO-1	180
440780	2024-10-11 02:26:20	2460594.601619			19.7	ABMag	L-GOTO	GOTO-N_GOTO-1	180		[Last non detection]

BG-q-BlackGem

BG4_BlackGEM-Cam4

2024-09-28 04:32:52 - 2024-10-14 03:21:11

2460581.6894907 - 2460597.6397106

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
439910	2024-10-14 03:21:11	2460597.6397106	18.07	0.05	19.95	ABMag	BG-q-BlackGem	BG4_BlackGEM-Cam4	60	robotic
439909	2024-09-28 04:32:52	2460581.6894907			21.22	ABMag	BG-q-BlackGem	BG4_BlackGEM-Cam4	60	robotic	[Last non detection]

orange-ATLAS

ATLAS-HKO_ATLAS-02

2024-10-13 10:36:08 - 2024-10-13 10:36:08

2460596.94176 - 2460596.94176

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
439669	2024-10-13 10:36:08	2460596.94176	18.192	0.089	19.18	ABMag	orange-ATLAS	ATLAS-HKO_ATLAS-02	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

229647

2024-10-20 10:03:51

GOTO_bot

A. Kumar,G. Ramsay,K. Ackley et al.

GOTO

GOTO

02:39:23.970

+02:39:07.86

2024-10-20 00:24:57.312

16.6

L-GOTO

Other

GOTO24hbv

GOTO

N

229129

2024-10-14 09:48:02

BlackGEM_Bot1

P. Groot,H. Tranin,F. Stoppa et al.

BlackGEM

BlackGEM

02:39:23.969

+02:39:07.88

2024-10-14 03:21:11.000

18.07

BG-q-BlackGem

1

PSN

BGEM J023923.96+023907.8

BlackGEM

N

Related files

File	Comments	Last Modified (UT)	Modified By
tns_2024xyn_atrep_229129_BlackGEM.pdf	Finding Chart	2024-10-14 09:48:03	BlackGEM_Bot1

228970

2024-10-13 13:58:55

ATLAS_Bot1

J. Tonry,L. Denneau,H. Weiland et al.

ATLAS

ATLAS

02:39:23.949

+02:39:08.39

2024-10-13 10:36:08.064

18.192

orange-ATLAS

PSN

ATLAS24phs

ATLAS

2024TNSTR3976....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

18399

2024-10-15 02:13:35

Liping Li

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

LiONS

SN Ia

1

LiONS

A young SN Ia at about ten days before the maximum via SNID fit.

2024TNSCR4024....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
18494	2024-10-14 20:50:11	Lijiang-2.4m / YFOSC		Jujia Zhang		LiONS	tns_2024xyn_2024-10-14_20-50-11.200_Lijiang-2.4m_YFOSC_LiONS.dat		Object

18398

2024-10-15 01:31:49

Jacob Wise

Jacob Wise (LJMU), Daniel Perley (LJMU), K-Ryan Hinds (LJMU), Aleksandra Bochenek (LJMU), Anna Ho (Cornell)

ZTF

SN Ia

0.021522

1

ZTF

Spectrum is well fit by template spectra from previously classified SN Ia-norm events. Redshift of z = 0.021522 ± 0.000053 obtained from "A Redshift Survey of Nearby Galaxy Groups: The Shape of the Mass Density Profile" (Mahdavi & Geller 2004). Classification performed using Next Generation Superfit (NGSF, Goldwasser et al. 2022).

2024TNSCR4027....1W

Related files

File	Comments	Last Modified (UT)	Modified By
tns_2024xyn_classrep_18398_ZTF.pdf		2024-10-15 01:31:50	Jacob Wise

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
18493	2024-10-15 00:38:31	LT / SPRAT		Daniel Perley, Jacob Wise, K-Ryan Hinds, Aleksandra Bochenek, Anna Ho	Jacob Wise	ZTF	tns_2024xyn_2024-10-15_00-38-31.141_LT_SPRAT_ZTF.ascii		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 229129 of Group BlackGEM
Previous RA, DEC: 02:39:23.949, +02:39:08.39 (39.84978875, +2.65233)
Updated RA, DEC: 02:39:23.969, +02:39:07.88 (39.849871, 2.652189)

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