RA/DEC (2000)
13:25:24.110 -43:00:57.50
201.350458 -43.015972
Type
SN Ib
Redshift
Discovery ReportClassification Report
Reporting Group
BOSS
Discovering Data Source
BOSS
Discovery Date
2016-02-08 13:26:43.000
TNS AT
Y
Public
Y
Host Name
NGC 5128
Discovery Mag
14
Filter
Clear-
Reporter/s
Peter Marples, Greg Bock
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2016adj - 2016-02-09 03:58:13 LCO-duPont / WFCCD (None)z=
 ▌SN_2016adj - 2016-02-08 21:21:36 Lijiang-2.4m / YFOSC (None)z=
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),

Light curves

 ▌Other_Other_Clear
   
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
91 2016-02-09 03:58:13 LCO-duPont / WFCCD N. Morrell None tns_2016adj_2016-02-09_03-58-13_LCO-duPont_WFCCD.dat Object
90 2016-02-08 21:21:36 Lijiang-2.4m / YFOSC 986 Weimin Yi Ju-Jia Zhang None tns_2016adj_2457427.39_LJT_YFOSC.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
Clear- Other_Other 2015-07-12 12:21:05 - 2016-02-08 13:26:43 2457216.0146412 - 2457427.0602199 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
883 2016-02-08 13:26:43 2457427.0602199 14 0.3 VegaMag Clear- Other_Other 30 Peter Marples Instrument: 300mmF6=7 SCT
882 2015-07-12 12:21:05 2457216.0146412 18 VegaMag Clear- Other_Other 30 Parker [Last non detection] 350mm F7 SCT
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
798 2016-02-08 14:02:53 Greg Bock Peter Marples,Greg Bock et al. BOSS BOSS 13:25:24.110 -43:00:57.50 2016-02-08 13:26:43.000 14 Clear- 2 PSN NGC 5128 BOSS 2016TNSTR..94....1M N
Related files
File Comments Last Modified (UT) Modified By
tns_2016adj_atrep_798_BOSS.jpg Finder image attached above. 2016-02-08 22:30:34 Greg Bock
tns_2016adj_atrep_798_BOSS_0.jpg Pre-discovery image of SN2016adj in jpg from Damian Peach (UK) here taken 21 hours earlier on February 7th, 16:21 UT. FITS available upon request. Greg Bock 2016-02-09 23:58:19 Greg Bock
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
86 2016-02-09 20:22:07 Eric Hsiao M. Stritzinger, E. Y. Hsiao, N. Morrell, M. M. Phillips, C. Contreras, S. Castellon, A. Clocchiatti None SN Ib 1 We report spectroscopic classification of AT 2016adj (cf. ATEL #8651) based on a visual-wavelength spectrum obtained on Feb. 9.2 UT with the 2.5-m du Pont Telescope (+ WFCCD) at LCO. The spectrum exhibits prevalent Na-I D absorption at the redshift of NGC 5128 characterized by an equivalent width of 0.44-nm. An additional feature coincident with the 578.0-nm diffuse interstellar band is measured to have an equivalent width of 0.06-nm, suggesting an A(V) value between 2 to 4 mag (Phillips et al. 2013, ApJ, 779, 38). Given the significant reddening the blue portion of the spectrum has very low signal-to-noise, however discernible features are present in the red portion of the spectrum that we attribute to H-alpha, the Ca-II near-infrared triplet, and Mg-II 922.7-nm. After manually de-reddening the spectrum assuming E(B-V)=1.0 and Rv=3.1 and then using the spectral identification tool superfit (Howell et al, 2005, ApJ, 634, 119), we find the spectrum of AT 2016adj to best resemble the Type-Ib supernova 1999dn around a week past maximum. This is in contrast to the Type II supernova classification previously reported (cf. ATEL #8655). Furthermore, close inspection of the spectrum reveals shallow absorption features at the expected wavelengths of He-I 667.8-nm and He-I 706.5-nm. Further observations are warranted to secure this classification. In addition, optical photometry was also computed from multiple images taken on Feb. 9.2 UT under photometric conditions with the 1-m Swope Telescope (+ e2v CCD camera) located at LCO. Computed photometry is as follows: filter u 18.943 +/- 0.040 filter B 17.395 +/- 0.041 filter g 16.565 +/- 0.038 filter V 15.701 +/- 0.031 filter r 14.613 +/- 0.021 filter i 13.304 +/- 0.017 2016TNSCR1117....1S
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
91 2016-02-09 03:58:13 LCO-duPont / WFCCD N. Morrell None tns_2016adj_2016-02-09_03-58-13_LCO-duPont_WFCCD.dat Object
85 2016-02-09 02:42:25 Subo Dong Weimin Yi, Ju-Jia Zhang (YNAO), Xue-Bing Wu (KIAA-PKU), J. L. Prieto (UDP), B. J. Shappee (Carnegie), Subo Dong (KIAA-PKU) None SN II 1 The spectrum appears to be heavily reddened, which is consistent with the red photometric color measured in Atel #8654. We detect H-alpha emission line, and its classification is consistent with a Type II supernova. However, due to the relatively low SNR of the spectrum (taken at airmass ~2.9) and heavy reddening, we regard this classification as tentative in nature. 2016TNSCR..99....1Y
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
90 2016-02-08 21:21:36 Lijiang-2.4m / YFOSC 986 Weimin Yi Ju-Jia Zhang None tns_2016adj_2457427.39_LJT_YFOSC.dat Object

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