Event: Nova Scorpii 2015 = PNV J17032620-3504140

PTS

February 17, 2015

Event: Nova Scorpii 2015 = PNV J17032620-3504140

Discovered by: Tadashi Kojima, Gunma-ken, Japan

Discovery magnitude: unfiltered DSLR magnitude 8.1, usinga 150-mm f/2.8 lens and digital camera

Discovery date: 2015 February 11.837 UT

Coordinates: RA: 17 03 26.18 , Decl: -35 04 17.6

Spectra: Echelle spectra by Frederick Walter (Stony BrookUniversity) taken on 2015 February 13.40 and reported in Astronomer's Telegram#7060 indicate the presence of strong H-alpha with FWHM of 2000 km/s, alongwith several other emission features. See ATel #7060 for details.  

Observing recommendations: Observations of all types(visual, CCD, DSLR,

spectroscopy) are strongly encouraged in following theevolution of this nova.

Charts: Charts for Nova Sco 2015 may be created using theAAVSO Variable Star Plotter (VSP) at http://www.aavso.org/vsp.

Observations reported to the AAVSO as of 2015 Feb 17.8:

2015 Feb 12.31389, vis=9.5, A. Amorim (AAX, Brazil)12.32500, vis=9.2, L. Camargo da Silva (CLUB, Brazil) 12.40264, V=9.328, J.Hambsch (HMB, Belgium) 12.40277, V=9.383, J. Hambsch (HMB, Belgium) 12.67917,TG=9.4, R. Kaufman (KBJ, Australia) 13.40877, V=9.380, J. Hambsch (HMB,Belgium) 13.40891, V=9.489, J. Hambsch (HMB, Belgium) 13.40921, B=10.365, J.Hambsch (HMB, Belgium) 13.40944, B=10.427, J. Hambsch (HMB, Belgium) 13.46250,vis=9.5, L. Shotter (SLH, United States) 13.66875, vis=9.8, C. Wyatt (WCG,Australia) 13.71065, V=9.498, R. Weir (WRCA, United States) 13.72648, V=9.517,R. Weir (WRCA, United States) 14.40923, V=9.667, J. Hambsch (HMB, Belgium)14.40936, V=9.651, J. Hambsch (HMB, Belgium) 14.40966, B=10.576, J. Hambsch(HMB, Belgium) 14.40989, B=10.557, J. Hambsch (HMB, Belgium) 14.82917,vis=10.2, A. Pearce (PEX, Australia) 15.40943, V=9.729, J. Hambsch (HMB,Belgium) 15.40957, V=9.753, J. Hambsch (HMB, Belgium) 15.40987, B=10.797, J.Hambsch (HMB, Belgium) 15.41010, B=10.796, J. Hambsch (HMB, Belgium) 15.71086,V=9.95, P. Starr (SPET, Australia; 10 observations) 15.72121, B=10.8075, P.Starr (SPET, Australia) 15.72241, R=9.0199, P. Starr (SPET, Australia)15.72368, I=8.2942, P. Starr (SPET, Australia) 16.30833, vis=10.1, L. Camargoda Silva (CLUB, Brazil) 16.31250, vis=10.2, A. Amorim (AAX, Brazil) 16.40465,V=9.813, J. Hambsch (HMB, Belgium) 16.40479, V=9.988, J. Hambsch (HMB, Belgium)16.40509, B=10.949, J. Hambsch (HMB, Belgium) 16.40532, B=10.961, J. Hambsch(HMB, Belgium) 16.72662, V=10.080, R. Weir (WRCA, United States) 16.80694,vis=10.4, A. Pearce (PEX, United States) 16.81687, V=10.086, M. Heald (HMH,United States) 16.81833, B=10.864, M. Heald (HMH, United States) 16.81979,I=8.241, M. Heald (HMH, United States) 17.40549, V=10.152, J. Hambsch (HMB,Belgium) 17.40562, V=10.116, J. Hambsch (HMB, Belgium) 17.40592, B=11.123, J.Hambsch (HMB, Belgium) 17.40615, B=11.141, J. Hambsch (HMB, Belgium) 17.66066,V=10.184, R. Weir (WRCA, United States) 17.78983, V=10.331, R. Weir (WRCA,United States)

Submit observations: Please submit observations to theAAVSO International Database using the name NOVA SCO 2015. Once a GCVS name hasbeen assigned, please use that name.

Congratulations to Tadashi Kojima on his discovery!

This AAVSO Alert Notice was prepared by M. Templeton.