RA/DEC (2000)
09:01:58.377 +60:09:06.45
135.4932374 +60.1517919
Type
SN Ia
Redshift
0.011134
Discovery ReportClassification Report
Reporting Group
ASAS-SN
Discovering Data Source
ASAS-SN
Discovery Date
2024-05-01 06:14:24.000
TNS AT
Y
Public
Y
Host Name
UGC 04730
Host Redshift
0.011134
Discovery Mag
15.3
Filter
g-Sloan
Reporter/s
K. Z. Stanek, for the ASAS-SN team
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2024hsq - 2024-05-03 10:43:19 Other / Other (None)z=
 ▌SN_2024hsq - 2024-05-02 23:54:50 Other / Other (None)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

 ▌P48_ZTF-Cam_r
 ▌ASASSN-4_Leavitt_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
17075 2024-05-03 10:43:19 Other / Other 8279 R Leadbeater R Leadbeater None tns_2024hsq_2024-05-03_10-43-19_Other_Other.dat tns_2024hsq_2024-05-03_10-43-19_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. Spectrum before subtraction of galaxy component
17073 2024-05-02 23:54:50 Other / Other 8279 R Leadbeater R Leadbeater None tns_2024hsq_2024-05-02_23-54-50_Other_Other.dat tns_2024hsq_2024-05-02_23-54-50_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. The strong contribution from the host galaxy has been approximately subtracted using a scaled template spectrum from SDSS
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
r-ZTF P48_ZTF-Cam 2024-06-25 04:14:24 - 2024-06-27 04:24:04 2460486.6766667 - 2460488.6833796 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
415070 2024-06-27 04:24:04 2460488.6833796 16.4961 0.0431858 ABMag r-ZTF P48_ZTF-Cam
415069 2024-06-25 04:14:24 2460486.6766667 16.4487 0.0708207 ABMag r-ZTF P48_ZTF-Cam
g-Sloan ASASSN-4_Leavitt 2024-04-24 05:45:36 - 2024-04-24 05:45:36 2460424.74 - 2460424.74 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
403435 2024-04-24 05:45:36 2460424.74 17 ABMag g-Sloan ASASSN-4_Leavitt [Last non detection]
g-Sloan ASASSN-1_Brutus 2024-05-01 06:14:24 - 2024-05-01 06:14:24 2460431.76 - 2460431.76 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
403436 2024-05-01 06:14:24 2460431.76 15.3 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
215989 2024-06-27 06:10:54 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 09:01:58.377 +60:09:06.45 2024-06-25 04:14:24.002 16.4487 r-ZTF PSN ZTF24aatbfek ZTF N
208966 2024-05-01 21:52:03 Krzysztof Stanek K. Z. Stanek, for the ASAS-SN team ASAS-SN ASAS-SN 09:01:58.402 +60:09:06.98 2024-05-01 06:14:24.000 15.3 g-Sloan PSN UGC 04730 ASASSN-24cv ASAS-SN Present in several epochs, on the rise, nuclear source, so could also be a TDE 2024TNSTR1290....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
16988 2024-05-03 11:05:57 Robin Leadbeater Robin Leadbeater None SN Ia 0.011134 1 2024TNSCR1370....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
17075 2024-05-03 10:43:19 Other / Other 8279 R Leadbeater R Leadbeater None tns_2024hsq_2024-05-03_10-43-19_Other_Other.dat tns_2024hsq_2024-05-03_10-43-19_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. Spectrum before subtraction of galaxy component
16986 2024-05-03 10:43:19 Robin Leadbeater Robin Leadbeater None SN Ia 0.011134 1 1 After subtraction of the galaxy component, SNID ( Blondin, S. & Tonry, J. L. 2007. ApJ, 666, 1024) gives a good fit to a type 1a supernova approximately 13 days pre maximum. SNID favours 91T-like (quoted redshift is of host galaxy from NED) 2024TNSCR1370....1L
Related files
File Comments Last Modified (UT) Modified By
tns_2024hsq_classrep_16986.ps SNID fit to Ia 91T-like 2024-05-03 10:43:19 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
17073 2024-05-02 23:54:50 Other / Other 8279 R Leadbeater R Leadbeater None tns_2024hsq_2024-05-02_23-54-50_Other_Other.dat tns_2024hsq_2024-05-02_23-54-50_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. The strong contribution from the host galaxy has been approximately subtracted using a scaled template spectrum from SDSS

Comments

TNS
System

Sun, 12/22/2024 - 17:58

Object coordinates updated

Object coordinates updated according to AT-report 215989 of Group ZTF
Previous RA, DEC: 09:01:58.402, +60:09:06.98 (135.49334, +60.15194)
Updated RA, DEC: 09:01:58.377, +60:09:06.45 (135.4932374, 60.1517919)