New Findings about the S DOR Phenomenon

Details New Findings about the S DOR Phenomenon New Findings about the S DOR Phenomenon

Jul 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996iraj...23..187d&link_type=abstract

Irish Astronomical Journal, 1996, 23(2), 187

Other

4

Scientific paper

A century of photometric observations of AG Car and S Dor is investigated for general characteristics and possible periodicities in the occurrence of S Dor phases. We identify ``very-long-term" (VLT-SD) and ``normal" S Dor phases superimposed upon each other. The time scales for VLT-SD phases are about 25 and 35 years, and those for normal SD phases are 371 days and 6.8 years, respectively, for AG Car and S Dor. Further support has been found that the SD-phenomenon is due to a change in radius. No cyclic pattern (probably between 1 and 3 years according to photometry of the last 20 years) was found in the SD phases of eta Car, but there is evidence for a rising branch of a VLT-SD phase accompanying an ongoing decrease of the circumstellar dust density.

Affiliated with

Also associated with

No associations

Rating

New Findings about the S DOR Phenomenon 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 New Findings about the S DOR Phenomenon, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and New Findings about the S DOR Phenomenon will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1119191