100yr DASCH: Witnessing Stellar Evolution In 'Real Time'

Details 100yr DASCH: Witnessing Stellar Evolution In 'Real Time' 100yr DASCH: Witnessing Stellar Evolution In 'Real Time'

Jan 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21541703t&link_type=abstract

American Astronomical Society, AAS Meeting #215, #417.03; Bulletin of the American Astronomical Society, Vol. 42, p.271

Astronomy and Astrophysics

Astronomy

Scientific paper

Stellar evolution proceeds on astronomical, not human, timescales (except for pulsations and eruptive events). However, evolution-driven changes on timescales of 1-30y which are rare, such as shell burning flashes in giants, can be observed if long term data coverage is available for very large stellar samples. Here we present the discovery of several unusual long-term variables found in the Digital Access to a Sky Century at Harvard (DASCH) project, with variations in their lightcurves on timescales from 10 to 100 yrs. Their lightcurves do not match any previously measured for known types of variable stars and instead suggest the first direct observation of "short" timescale evolution-driven variability, likely due to He shell burning thermal pulses.

Affiliated with

Also associated with

No associations

Rating

100yr DASCH: Witnessing Stellar Evolution In 'Real Time' 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 100yr DASCH: Witnessing Stellar Evolution In 'Real Time', we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and 100yr DASCH: Witnessing Stellar Evolution In 'Real Time' will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-966637