RA/DEC (2000)
04:21:48.310 -15:45:20.11
65.451292 -15.755586
Type
SN Ia
Redshift
0.0307
Reporting Group
ASAS-SN
Discovering Data Source
ASAS-SN
Discovery Date
2016-01-14 05:02:24.000
TNS AT
Y
Public
Y
Host Name
NGC 1562
Host Redshift
0.030745
Discovery Mag
17
Filter
V-Johnson
Reporter/s
Tom Holoien

Spectra

 SN_2016K - 2016-01-15 12:00:00 Lijiang-2.4m / YFOSC (None)z=
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 ASASSN-2_Cassius_V
   
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
13 2016-01-15 12:00:00 Lijiang-2.4m / YFOSC Jujia Zhang Jujia Zhang None tns_2016K_2016-01-15.5_LJT_YFOSC.dat tns_2016K_2016-01-15.5_LJT_YFOSC.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
V-Johnson ASASSN-2_Cassius 2016-01-11 03:50:24 - 2016-01-14 05:02:24 2457398.66 - 2457401.71 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
30 2016-01-14 05:02:24 2457401.71 17 0.1 17.6 VegaMag V-Johnson ASASSN-2_Cassius 90
29 2016-01-11 03:50:24 2457398.66 17.7 VegaMag V-Johnson ASASSN-2_Cassius 90 [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
13 2016-01-14 16:02:45 Thomas Holoien Tom Holoien ASAS-SN ASAS-SN 04:21:48.310 -15:45:20.11 2016-01-14 05:02:24.000 17 V-Johnson PSN NGC 1562 ASASSN-16aj ASAS-SN 2016TNSTR..20....1H N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
11 2016-01-15 14:44:40 Jujia Zhang jujia Zhang None SN Ia 0.0307 1 We report an optical spectrum (range 350-900 nm) of ASASSN-16aj (ATEL #8542, AT 2016K) obtained on UT 2016 Jan. 15.5 with the 2.4 m telescope ( LJT + YFOSC) at Lijiang observatory of Yunnan Observatories. The spectrum is consistent with a Type Ia supernova at around maximum light. Cross-correlation with a library of supernova spectra using the "Supernova Identification" code (SNID; Blondin and Tonry 2007, ApJ. 666, 1024) shows that it matches with SN 2003du at t = -1 days. Adopting a redshift of 0.0307 for its host galaxy NGC 1562, an expansion velocity of about 11,500 km/s can be derived from the absorption minimum of Si II 635.5 nm. 2016TNSCR..25....1Z
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
13 2016-01-15 12:00:00 Lijiang-2.4m / YFOSC Jujia Zhang Jujia Zhang None tns_2016K_2016-01-15.5_LJT_YFOSC.dat tns_2016K_2016-01-15.5_LJT_YFOSC.fits Object

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