Sirius spectrum

Analysis of absorption bands in Sirius spectrum recorded with Star Analyser and processed in VSPEC

  • Object: Sirius, HIP 32349
  • Spectral type: A1V
  • Telescope: 150/750 Newtonian, SkyWatcher
  • Camera: Imaging Source DMK 21
  • Spectroscope: Star Analyser
  • Date: 18.02.2010

Recorded spectrum

Here is a raw spectrum of Sirius recorded with DMK21:
sirius-raw-spec

Analyzed spectrum

Processed in VSPEC and calibrated on hydrogen lines the spectrum looks like this:
sirius-spectrum
Except hydrogen absorption lines there are atmospheric oxygen lines and some unknown bands at 705-715nm.
blog comments powered by Disqus

Categories