Observation by Andrew Smith: Interstellar Medium

Uploaded by

Dr Andrew Smith

Observer

Andrew Smith

Observed

2017 Nov 28 - 21:24

Uploaded

2017 Nov 29 - 15:13

Objects

V373-Cas
Spectrum

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Constellation

Canes Venatici

Field centre

RA: 12^h56^m
Dec: +35°44'
Position angle: -90°06'

Field size

0°12' × 0°10'

Equipment

ODK 16
MRes specrograph
SXVR -H694

Exposure

12 x 600s

Location

Delamere

Target name

V373 Cas

Title

Interstellar Medium

About this image

V373 Cas is a B0.5 II-II hot star and this spectral class does not show absorption at the Na D doublet. The absorption here is due to the interstellar medium. I took this spectra to confirm it was the cause of the absorption in my spectra of the yellow hypergiants in Cassiopeia .

Files associated with this observation

v373cas_20171128_857_Na_D_SAJB.png (21.8 kB)

Like this image

Ray Emery, Jeremy Shears, Callum Potter, Andy Wilson, Peter Mulligan, Peter Carson

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