RA/DEC (2000)
12:51:53.830 -04:34:24.78
192.974292 -4.57355
Type
SN II
Redshift
0.0088
Discovery ReportClassification Report
Related AstroNotes: 2024-47
Reporting Group
ASAS-SN
Discovering Data Source
ASAS-SN
Discovery Date
2024-02-08 13:12:00.000
TNS AT
Y
Public
Y
Host Name
MCG -01-33-030
Host Redshift
0.0088
Discovery Mag
16.5
Filter
g-Sloan
Reporter/s
K. Z. Stanek, for the ASAS-SN team
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2024byg - 2024-03-04 00:53:55 Other / Other (None)z=
 ▌SN_2024byg - 2024-02-11 04:40:10 INT-2.5m / IDS (GOTO)z=
 ▌SN_2024byg - 2024-02-11 03:19:02 LT / SPRAT (OxQUB)z=
 ▌SN_2024byg - 2024-02-09 20:11:28 Lijiang-2.4m / YFOSC (LiONS)z=
▌Show H at z=vexp= km/s
▌Show He at z=vexp= km/s
▌Show He II at z=vexp= km/s
▌Show C II at z=vexp= km/s
▌Show C III at z=vexp= km/s
▌Show C IV at z=vexp= km/s
▌Show N II at z=vexp= km/s
▌Show N III at z=vexp= km/s
▌Show N IV at z=vexp= km/s
▌Show N V at z=vexp= km/s
▌Show O at z=vexp= km/s
▌Show [O I] at z=vexp= km/s
▌Show O II at z=vexp= km/s
▌Show [O II] at z=vexp= km/s
▌Show [O III] at z=vexp= km/s
▌Show O V at z=vexp= km/s
▌Show O VI at z=vexp= km/s
▌Show Na at z=vexp= km/s
▌Show Mg at z=vexp= km/s
▌Show Mg II at z=vexp= km/s
▌Show Si II at z=vexp= km/s
▌Show S II at z=vexp= km/s
▌Show Ca II at z=vexp= km/s
▌Show [Ca II] at z=vexp= km/s
▌Show Fe II at z=vexp= km/s
▌Show Fe III at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌Show Tellurics 
▌Show Galaxy lines at z=
▌Show WR-WN at z=vexp= km/s
▌Show WR-WC/O at z=vexp= km/s
   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 ▌PS2_GPC2_w
 ▌ATLAS-CHL_ATLAS-04_orange
 ▌ASASSN-5_Payne-Gaposchkin_g
 ▌Gaia_Gaia-photometric_G
 ▌ATLAS-HKO_ATLAS-02_cyan
 ▌PS1_GPC1_g
 ▌ASASSN-1_Brutus_g
   
Pointer position (MJD, Mag, Abs.Mag): (0.00, 0.00, 0.00)
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
16740 2024-03-04 00:53:55 Other / Other 4800 R Leadbeater R Leadbeater None tns_2024byg_2024-03-04_00-53-55_Other_Other.dat tns_2024byg_2024-03-04_00-53-55_Other_Other.fit Object R~130 spectrum obtained using modified ALPY spectrograph at Three Hills Observatory as described here http://www.threehillsobservatory.co.uk/astro/spectroscopy_20.htm
16625 2024-02-11 04:40:10 INT-2.5m / IDS B. Godson, B. Warwick, M. Pursiainen, M. J. Dyer, M. Mitchell GOTO tns_2024byg_2460351.6945632_INT-2.5m_IDS_GOTO.txt Object
16619 2024-02-11 03:19:02 LT / SPRAT 1800 Robotic Auto OxQUB tns_2024byg_2024-02-11_03-19-02_LT_SPRAT_QUB.txt Object Spectrum was obtained with SPRAT on the Liverpool Telescope and reduced using the integrated quick reduction pipeline.
16630 2024-02-09 20:11:28 Lijiang-2.4m / YFOSC 1800 Jujia Zhang LiONS tns_2024byg_2024-02-09_20-11-28.299_Lijiang-2.4m_YFOSC_LiONS.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
w-P1 PS2_GPC2 2024-02-14 13:25:04 - 2024-02-14 13:25:04 2460355.05907 - 2460355.05907 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
391200 2024-02-14 13:25:04 2460355.05907 16.03 0 22 ABMag w-P1 PS2_GPC2 45 Robot
orange-ATLAS ATLAS-CHL_ATLAS-04 2024-02-07 08:34:23 - 2024-02-07 08:34:23 2460347.85721 - 2460347.85721 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
389355 2024-02-07 08:34:23 2460347.85721 19.36 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
g-Sloan ASASSN-5_Payne-Gaposchkin 2024-02-06 23:31:12 - 2024-02-06 23:31:12 2460347.48 - 2460347.48 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
389298 2024-02-06 23:31:12 2460347.48 18 ABMag g-Sloan ASASSN-5_Payne-Gaposchkin [Last non detection]
G-Gaia Gaia_Gaia-photometric 2024-05-29 20:58:34 - 2024-05-29 22:45:07 2460460.374 - 2460460.448 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
414158 2024-05-29 22:45:07 2460460.448 17.29 0.2 ABMag G-Gaia Gaia_Gaia-photometric 60 Robot
414157 2024-05-29 20:58:34 2460460.374 21.5 ABMag G-Gaia Gaia_Gaia-photometric Robot [Last non detection]
cyan-ATLAS ATLAS-HKO_ATLAS-02 2024-02-08 13:25:33 - 2024-02-08 13:25:33 2460349.05941 - 2460349.05941 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
389356 2024-02-08 13:25:33 2460349.05941 16.631 0.019 19.53 ABMag cyan-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
g-P1 PS1_GPC1 2024-02-18 12:07:11 - 2024-02-18 12:07:11 2460359.00499 - 2460359.00499 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
391797 2024-02-18 12:07:11 2460359.00499 16.01 0.02 21 ABMag g-P1 PS1_GPC1 27 Robot
g-Sloan ASASSN-1_Brutus 2024-02-08 13:12:00 - 2024-02-08 13:12:00 2460349.05 - 2460349.05 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
389299 2024-02-08 13:12:00 2460349.05 16.5 ABMag g-Sloan ASASSN-1_Brutus
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
215501 2024-06-22 21:49:41 Gaia_Bot1 S.T. Hodgkin,E. Breedt,A. Delgado et al. GaiaAlerts GaiaAlerts 12:51:53.830 -04:34:24.78 2024-05-29 22:45:07.200 17.29 G-Gaia PSN Gaia24blv GaiaAlerts confirmed SN II N
202842 2024-02-18 22:07:10 YSE_Bot1 D. O. Jones (UC Santa Cruz),K. D. French (Carnegie,Illinois) et al. YSE Pan-STARRS 12:51:53.830 -04:34:24.79 2024-02-18 12:07:11.136 16.01 g-P1 PSN PS24atr Pan-STARRS, YSE N
202544 2024-02-15 21:49:31 PS1_Bot1 K. C. Chambers,T. de Boer,J. Herman et al. Pan-STARRS Pan-STARRS 12:51:53.832 -04:34:24.74 2024-02-14 13:25:03.648 16.03 w-P1 PSN PS24atr Pan-STARRS N
201707 2024-02-09 00:37:14 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 12:51:53.837 -04:34:24.66 2024-02-08 13:25:33.024 16.631 cyan-ATLAS PSN ATLAS24ccx ATLAS N
201658 2024-02-08 21:18:13 Krzysztof Stanek K. Z. Stanek,for the ASAS-SN team et al. ASAS-SN ASAS-SN 12:51:53.882 -04:34:24.96 2024-02-08 13:12:00.000 16.5 g-Sloan PSN MCG -01-33-030 ASASSN-24ax ASAS-SN Present in two epochs, on the rise, relatively nearby host galaxy 2024TNSTR.373....1S N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
16653 2024-03-09 00:34:47 Robin Leadbeater Robin Leadbeater None SN II 0.0088 1 1 Broad Balmer P Cygni profiles have now appeared in the spectrum confirming the type II classification. SNID ( Blondin, S. & Tonry, J. L. 2007. ApJ, 666, 1024) favours a type IIP at maximum light 2024TNSCR.642....1L
Related files
File Comments Last Modified (UT) Modified By
tns_2024byg_classrep_16653.png SNID match 2024-03-09 00:34:48 Robin Leadbeater
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
16740 2024-03-04 00:53:55 Other / Other 4800 R Leadbeater R Leadbeater None tns_2024byg_2024-03-04_00-53-55_Other_Other.dat tns_2024byg_2024-03-04_00-53-55_Other_Other.fit Object R~130 spectrum obtained using modified ALPY spectrograph at Three Hills Observatory as described here http://www.threehillsobservatory.co.uk/astro/spectroscopy_20.htm
16543 2024-02-12 13:52:13 Liping Li Liping Li, Yongzhi Cai, Qian Zhai, Jujia Zhang (YNAO); Xiaofeng Wang(THU) LiONS SN II 1 LiONS The spectrum obtained by LJT is similar to that of an SN II at early phase. 2024TNSCR.415....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
16630 2024-02-09 20:11:28 Lijiang-2.4m / YFOSC 1800 Jujia Zhang LiONS tns_2024byg_2024-02-09_20-11-28.299_Lijiang-2.4m_YFOSC_LiONS.dat Object
16538 2024-02-11 18:35:37 Miika Pursiainen B. Godson, B. Warwick, M. Pursiainen, M. J. Dyer, M. Mitchell, J. Lyman, T. Killestein, A. Sahu, P. Charalampopoulos, D. O'Neill, A. Kumar, D. Coppejans, G. Ramsay, R. Kotak, B.Gompertz, K. Ackley K. Ulaczyk, F. Jiminez-Ibarra, A. Kumar, D. Steeghs, D. K. Galloway, V. Dhillon, P. O'Brien, K. Noysena, R. P. Breton, L. K. Nuttall, E. Pall'e, D. Pollacco on behalf of GOTO GOTO Other 0.0088 1 GOTO Relatively featureless blue continuum, with tentative broad Ha emission. Likely Type II SN. 2024TNSCR.402....1G
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
16625 2024-02-11 04:40:10 INT-2.5m / IDS B. Godson, B. Warwick, M. Pursiainen, M. J. Dyer, M. Mitchell GOTO tns_2024byg_2460351.6945632_INT-2.5m_IDS_GOTO.txt Object
16532 2024-02-11 15:59:41 Michael Fulton M. Fulton, M. Nicholl, K. W. Smith, D. R. Young, C. R. Angus, T. Moore, J. Weston, X. Sheng, A. Aamer, S. A. Sim (QUB), S. J. Smartt (Oxford/QUB), S. Srivastav, J. Gillanders, H. Stevance (Oxford), P. Ramsden (QUB/Birmingham), L. Shingles (GSI/QUB) OxQUB SN II 0.009 1 OxQUB Spectrum resembles a blue continuum with faint features developing that are reminiscent of a young SN II. Several matches with SN II were obtained using SNID (e.g., SN1979C) at the host redshift (from NED). 2024TNSCR.403....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
16619 2024-02-11 03:19:02 LT / SPRAT 1800 Robotic Auto OxQUB tns_2024byg_2024-02-11_03-19-02_LT_SPRAT_QUB.txt Object Spectrum was obtained with SPRAT on the Liverpool Telescope and reduced using the integrated quick reduction pipeline.

Comments

TNS
System

Sun, 12/22/2024 - 17:58

Object coordinates updated

Object coordinates updated according to AT-report 215501 of Group GaiaAlerts
Previous RA, DEC: 12:51:53.830, -04:34:24.79 (192.974290563, -4.57355171368)
Updated RA, DEC: 12:51:53.830, -04:34:24.78 (192.974292, -4.57355)

TNS
System

Sun, 12/22/2024 - 17:58

Object coordinates updated

Object coordinates updated according to AT-report 202842 of Group Pan-STARRS
Previous RA, DEC: 12:51:53.832, -04:34:24.74 (192.974301417, -4.57353891627)
Updated RA, DEC: 12:51:53.830, -04:34:24.79 (192.974290563, -4.57355171368)

TNS
System

Sun, 12/22/2024 - 17:58

Object coordinates updated

Object coordinates updated according to AT-report 202544 of Group Pan-STARRS
Previous RA, DEC: 12:51:53.837, -04:34:24.66 (192.974322857, -4.57351714286)
Updated RA, DEC: 12:51:53.832, -04:34:24.74 (192.974301417, -4.57353891627)

TNS
System

Sun, 12/22/2024 - 17:58

Object coordinates updated

Object coordinates updated according to AT-report 201707 of Group ATLAS
Previous RA, DEC: 12:51:53.882, -04:34:24.96 (192.97451, -4.5736)
Updated RA, DEC: 12:51:53.837, -04:34:24.66 (192.974322857, -4.57351714286)