RA/DEC (2000)
13:38:20.388 -06:15:10.15
204.58495 -6.25282
Type
SN Ia
Redshift
Discovery ReportClassification Report
Reporting Group
ASAS-SN
Discovering Data Source
ASAS-SN
Discovery Date
2018-02-17 05:31:12.000
TNS AT
Y
Public
Y
Host Name
LCRS B133543.8-060003
Host Redshift
0.054971
Discovery Mag
18.1
Filter
g-Sloan
Reporter/s
K. Z. Stanek, for the ASAS-SN team
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2018yi - 2018-03-18 00:53:16 UH88 / SNIFS (ASAS-SN)z=
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▌Show Tellurics 
▌Show Galaxy lines at z=
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),

Light curves

 ▌ASASSN-4_Leavitt_g
 ▌ASASSN-3_Paczynski_g
 ▌CTIO-4m_DECAM_i
   
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
1787 2018-03-18 00:53:16 UH88 / SNIFS Tucker/Shappee Tucker/Shappee ASAS-SN tns_2018yi_2458195.537_UH88_SNIFS_ASAS-SN.dat Object Spectrum reduced using automated quick reduction with no flux or telluric correction applied.
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
g-Sloan ASASSN-4_Leavitt 2018-02-10 11:02:24 - 2018-02-10 11:02:24 2458159.96 - 2458159.96 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
25707 2018-02-10 11:02:24 2458159.96 18.9 ABMag g-Sloan ASASSN-4_Leavitt [Last non detection]
g-Sloan ASASSN-3_Paczynski 2018-02-17 05:31:12 - 2018-02-17 05:31:12 2458166.73 - 2458166.73 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
25708 2018-02-17 05:31:12 2458166.73 18.1 ABMag g-Sloan ASASSN-3_Paczynski
i-Sloan CTIO-4m_DECAM 2018-03-06 19:55:58 - 2018-03-06 19:55:58 2458184.33054 - 2458184.33054 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
26038 2018-03-06 19:55:58 2458184.33054 18.71 ABMag i-Sloan CTIO-4m_DECAM
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
17260 2018-03-11 18:27:23 Gautham Narayan A. Rest (STScI),A. Zenteno(NOAO/CTIO),Giovanni Strampelli (STScI) et al. 13:38:20.209 -06:15:10.26 2018-03-06 19:55:58.000 18.71 i-Sloan 1 PSN LCRS B133543.8-060003 C17-0004 Associated with K2 object 212775588, separation: 7.23" N
Related files
File Comments Last Modified (UT) Modified By
tns_2018yi_atrep_17260.gif 2018-03-11 18:27:23 Gautham Narayan
17056 2018-02-25 16:12:07 Krzysztof Stanek K. Z. Stanek,for the ASAS-SN team et al. ASAS-SN ASAS-SN 13:38:20.388 -06:15:10.15 2018-02-17 05:31:12.000 18.1 g-Sloan PSN LCRS B133543.8-060003 ASASSN-18du ASAS-SN In several epochs, on the rise 2018TNSTR.267....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
1782 2018-03-18 16:27:18 Michael Tucker Michael A. Tucker, Benjamin J. Shappee (IfA, Hawaii), Subo Dong, S. Bose, Ping Chen (KIAA-PKU) ASAS-SN SN Ia 1 Add ASAS-SN Spectral Classification of Astronomical Transients (SCAT) reports the classification of ASASSN-18du (2018yi) using the SNIFS spectrograph on the UH 88-inch telescope. Using SNID cross-correlation (Blondin & Tonry 2007) we find a phase of 17 +/- 28 d. 2018TNSCR.364....1T
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
1787 2018-03-18 00:53:16 UH88 / SNIFS Tucker/Shappee Tucker/Shappee ASAS-SN tns_2018yi_2458195.537_UH88_SNIFS_ASAS-SN.dat Object Spectrum reduced using automated quick reduction with no flux or telluric correction applied.

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