Ten Years of Eclipse Timings to Refine the Period of HR 6469=V819 Her
Document Type
Article
Publication Date
1-1-1994
Description
New times of minimum of the eclipsing binary in the triple system HR 6469=V819 Her, 90 altogether between 1982 and 1992 by 21 different observers at 17 different observatories in three different countries, are presented. After correction for the time-delay effect expected to result from the eclipsing pair's motion in the 5.5 year orbit, fitting by least squares yields the following linear ephemeris for times of primary minimum: JD (hel.)=2,448,546.5991+2d.2296296 E. A complete UBV light curve obtained in the summer of 1992 at Braeside Observatory is described as well, the data having been sent to the IAU Comm. 27 Archive, as file No. 271.
Citation Information
Wasson, Rick; Hall, Douglas S.; Hargrove, Adam W.; Bertoglio, Alessandro; Burke, Edward W.; Frey, Gary J.; Fried, Robert E.; Galli, Gianni; Green, Charles L.; Iacovone, Nicola; Jones, Robert A.; Lines, Helen C.; Lines, Richard D.; Mattingly, Philip; Milton, Russell E.; Nelson, Robert; Nolthenius, Richard; Powell, Harry D.; Nix, Russell M.; Passour, John L.; Robb, Steve; Snyder, Leroy F.; and Williams, David B.. 1994. Ten Years of Eclipse Timings to Refine the Period of HR 6469=V819 Her. Astronomical Journal. Vol.107(4). 1514-1520. https://doi.org/10.1086/116961 ISSN: 0004-6256