Astronomy and Astrophysics – Astrophysics
Scientific paper
Jun 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apj...329..241b&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 329, June 1, 1988, p. 241-252.
Astronomy and Astrophysics
Astrophysics
31
Limb Brightening, Limb Darkening, Mira Variables, Stellar Atmospheres, Stellar Oscillations, Atmospheric Models, Diameters, Stellar Magnitude
Scientific paper
Dynamic models of Mira atmospheres were analyzed to determine the limb darkening/brightening functions for a range of phases. The angular diameters that would be derived from lunar occultation observations of Mira variables with these limb functions were calculated. The results show that the usual procedure of fitting occultation observations assuming a uniform brightness disk and then correcting the resulting diameter for limb darkening can give erroneous results, and, in some cases, the 'correction' can be a change in the wrong direction. Dynamic atmosphere effects cause Mira variables to appear larger and cooler than they actually are. The results presented here also have bearing on speckle interferometric measurements of Mira diameters where an assumed limb function must be used.
Beach Thomas Eugene
Bowen George H.
Willson Lee Anne
No associations
LandOfFree
The effects of pulsation-extended atmospheres on the apparent diameters of Mira variables does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with The effects of pulsation-extended atmospheres on the apparent diameters of Mira variables, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and The effects of pulsation-extended atmospheres on the apparent diameters of Mira variables will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1177658