2024qiw | Transient Name Server

RA/DEC (2000)

04:52:54.700 -05:32:04.13

73.227917 -5.534481

Type

SN II-pec

Redshift

0.0094

Discovery Report Classification Report

Related AstroNotes: 2025-320

Reporting Group

ATLAS

Discovering Data Source

ATLAS

Discovery Date

2024-07-28 09:49:34.752

TNS AT

Y

Public

Y

Discovery Mag

16.101

Filter

orange-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), A. Jordan, V. Suc (UAI, Obstech), S. J. Smartt (Oxford/QUB), K. W. Smith, D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng, P. Ramsden, C. R. Angus, A. Wilson (Queen's University Belfast), A. Aamer (QUB/Birmingham), L. Shingles (GSI/QUB), S. Srivastav, J. Gillanders, L. Rhodes, H. Stevance (Oxford), A. Rest (STScI), T.-W. Chen (NCU), C. Stubbs (Harvard), J. Sommer (LMU/QUB), B. Schmidt (ANU)

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
	22409	2025-11-11 12:28:11	FTN / FLOYDS-N	3600	Robotic	J. Farah	Global SN Project	tns_2024qiw_2025-11-11_12-28-11_FTN_FLOYDS-N_Global_SN_Project.ascii		Object			Strong Balmer emission. P-cygni profiles (curiously stronger for the Balmer lines other than Halpha) suggest the spectrum is not yet fully nebular.
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 Strong Balmer emission. P-cygni profiles (curiously stronger for the Balmer lines other than Halpha) suggest the spectrum is not yet fully nebular.
	17654	2024-07-30 19:12:00	ANU-2.3m / WiFeS	1200	Robotic	B. Martin	DEBASS	tns_2024qiw_2024-07-30.8_ANU-2.3m_WiFeS_DEbass.dat	tns_2024qiw_2024-07-30.8_ANU-2.3m_WiFeS_DEbass.fits	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

L-GOTO

GOTO-S_GOTO-3

2024-02-13 10:23:57 - 2024-07-30 19:07:08

2460353.933298 - 2460522.296622

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
422050	2024-07-30 19:07:08	2460522.296622	16.21	0.01		ABMag	L-GOTO	GOTO-S_GOTO-3	180
422049	2024-02-13 10:23:57	2460353.933298			20.2	ABMag	L-GOTO	GOTO-S_GOTO-3	135		[Last non detection]

orange-ATLAS

ATLAS-CHL_ATLAS-04

2024-04-12 23:46:15 - 2024-07-28 09:49:35

2460413.49045 - 2460519.90943

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
421204	2024-07-28 09:49:35	2460519.90943	16.101	0.032	18.92	ABMag	orange-ATLAS	ATLAS-CHL_ATLAS-04	30	Robot
421203	2024-04-12 23:46:15	2460413.49045			19.16	ABMag	orange-ATLAS	ATLAS-CHL_ATLAS-04	110	Robot	[Last non detection]

BG-q-BlackGem

BG4_BlackGEM-Cam4

2024-07-16 10:41:59 - 2024-07-16 10:41:59

2460507.9458218 - 2460507.9458218

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
513464	2024-07-16 10:41:59	2460507.9458218	15.77	0.03	18.41	ABMag	BG-q-BlackGem	BG4_BlackGEM-Cam4	60	robotic

BG-q-BlackGem

ML1_MeerLICHT-Cam

2022-06-03 21:59:19 - 2022-06-03 21:59:19

2459734.4161921 - 2459734.4161921

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
513463	2022-06-03 21:59:19	2459734.4161921			21.41	ABMag	BG-q-BlackGem	ML1_MeerLICHT-Cam	60	robotic	[Last non detection]

G-Gaia

Gaia_Gaia-photometric

2024-08-05 07:17:46 - 2024-08-29 05:28:19

2460527.804 - 2460551.728

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
436714	2024-08-29 05:28:19	2460551.728	15.77	0.2		ABMag	G-Gaia	Gaia_Gaia-photometric	60	Robot
436713	2024-08-05 07:17:46	2460527.804			21.5	ABMag	G-Gaia	Gaia_Gaia-photometric		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

268227

2025-08-28 15:57:03

BlackGEM_Bot1

J. A. Paice,H. Tranin,F. Stoppa et al.

BlackGEM

BlackGEM

04:52:54.699

-05:32:03.86

2024-07-16 10:41:59.000

15.77

BG-q-BlackGem

1

PSN

BGEM J045254.69-053203.8

BlackGEM

N

Related files

File	Comments	Last Modified (UT)	Modified By
tns_2024qiw_atrep_268227_BlackGEM.pdf	Finding Chart	2025-08-28 15:57:05	BlackGEM_Bot1

240792

2025-01-08 14:54:32

MASTER

V.Shumkov,V.Lipunov,E.Gorbovskoy et al.

MASTER

MASTER

04:52:54.670

-05:32:04.20

2025-01-03 22:14:30.336

PSN

MASTER OT J045254.67-053204.2

MASTER

N

227236

2024-09-30 06:36:21

Gaia_Bot1

S.T. Hodgkin,E. Breedt,A. Delgado et al.

GaiaAlerts

GaiaAlerts

04:52:54.700

-05:32:04.13

2024-08-29 05:28:19.200

15.77

G-Gaia

PSN

Gaia24csh

GaiaAlerts

confirmed SN II

N

220216

2024-07-31 09:06:39

GOTO_bot

A. Kumar,T. Killestein,K. Ackley et al.

GOTO

GOTO

04:52:54.702

-05:32:04.13

2024-07-30 19:07:07.968

16.21

L-GOTO

Other

GOTO24dyo

GOTO

N

219739

2024-07-28 17:14:04

ATLAS_Bot1

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

ATLAS

ATLAS

04:52:54.703

-05:32:04.06

2024-07-28 09:49:34.752

16.101

orange-ATLAS

PSN

ATLAS24lti

ATLAS

2024TNSTR2625....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

22408

2025-11-14 08:52:25

Iair Arcavi

Iair Arcavi (TAU), Joseph Farah (Las Cumbres / UCSB)

Global SN Project

SN II-pec

0.0094

1

Global SN Project

2025TNSCR4583....1A

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
22409	2025-11-11 12:28:11	FTN / FLOYDS-N	3600	Robotic	J. Farah	Global SN Project	tns_2024qiw_2025-11-11_12-28-11_FTN_FLOYDS-N_Global_SN_Project.ascii		Object			Strong Balmer emission. P-cygni profiles (curiously stronger for the Balmer lines other than Halpha) suggest the spectrum is not yet fully nebular.

17567

2024-07-31 09:45:59

Bailey Martin

B. Martin (ANU), B. P. Schmidt (ANU), P. Armstrong (ANU), K. Auchettl (University of Melbourne/UCSC), K. Dove (ANU), C. Lidman (ANU), J. Shi (University of Melbourne), and B. E. Tucker (ANU)

DEBASS

SN II

0.01

1

1

DEBASS

Classified with superfit. The best fitting spectrum is 1999em, a Type II.

2024TNSCR2690....1M

Related files

File	Comments	Last Modified (UT)	Modified By
tns_2024qiw_classrep_17567_DEbass.pdf	The best fitting spectrum from superfit.	2024-07-31 09:45:59	Bailey Martin

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
17654	2024-07-30 19:12:00	ANU-2.3m / WiFeS	1200	Robotic	B. Martin	DEBASS	tns_2024qiw_2024-07-30.8_ANU-2.3m_WiFeS_DEbass.dat	tns_2024qiw_2024-07-30.8_ANU-2.3m_WiFeS_DEbass.fits	Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 227236 of Group GaiaAlerts
Previous RA, DEC: 04:52:54.703, -05:32:04.06 (73.22793, -5.534462)
Updated RA, DEC: 04:52:54.700, -05:32:04.13 (73.227917, -5.534481)

Log in or register to post comments

Log in or register to post comments