Rediscovering Long-Neglected Nantucket and Harvard Variables

Details Rediscovering Long-Neglected Nantucket and Harvard Variables Rediscovering Long-Neglected Nantucket and Harvard Variables

Dec 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998aas...193.4606t&link_type=abstract

American Astronomical Society, 193rd AAS Meeting, #46.06; Bulletin of the American Astronomical Society, Vol. 30, p.1321

Astronomy and Astrophysics

Astronomy

Scientific paper

Several ``lost" variable stars previously discovered at the Maria Mitchell Observatory and at Harvard Observatory were reinvestigated. These variables had not been studied for decades, and accurate coordinates and light elements were unknown for them. We rediscovered these stars as variables using the MMO photographic plate collection, and further study was accomplished with both the MMO and the Moscow University plate collection. The stars were identified in positional catalogs and their light elements were improved based on new photographic estimates. Two types of variables were revealed: eclipsing binaries and miras. Two very interesting eclipsers were studied, VX Sct and V936 Aql. The former is characterized by a period exceeding one month, and thus it probably contains a giant component. V936 Aql shows a light curve characteristic of Algol variables with ellipsoidal components or beta Lyrae variables, with a distinct secondary minimum. However, it possesses a rather short period (0.48 days), more typical of W Ursae Majoris stars or cataclysmic variables. Of the six miras studied, AO Sct, AV Sct, and SW Sct had experienced period changes over the course of several decades. AV Sct actually underwent two period changes in 35 years. BI Sct has maintained its period since it was previously studied. The light elements and positions of CV Sgr and VV Sct were determined reliably for the first time.

Affiliated with

Also associated with

No associations

Rating

Rediscovering Long-Neglected Nantucket and Harvard 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 Rediscovering Long-Neglected Nantucket and Harvard Variables, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Rediscovering Long-Neglected Nantucket and Harvard Variables will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-994481