The camapign on this star needs ~200 SNR for accurate measurements of stellar winds but even at SNR 100 (20 min exposure with my setup) the variation at He 5411 is already obvious and can be seen within a few hours .
Cheers
Robin
WR134 variations in He 5411 in hours and days
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Robin Leadbeater
- Posts: 1929
- Joined: Mon Sep 26, 2011 4:41 pm
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WR134 variations in He 5411 in hours and days
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- variation within 3 hours
- wr134_he5411_20120918_nearcal_norm5345-5365.png (21.34 KiB) Viewed 2314 times
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- variation in hours and days
- wr134_he5411_20120911-18_nearcal_norm5345-5365.png (16.61 KiB) Viewed 2314 times
LHIRES III #29 ATIK314 ALPY 600/200 ATIK428 Star Analyser 100/200 C11 EQ6
http://www.threehillsobservatory.co.uk
http://www.threehillsobservatory.co.uk