Orbital Period Increase in ES Ceti

Bibliographic Details
Title: Orbital Period Increase in ES Ceti
Authors: de Miguel, Enrique, Patterson, Joseph, Kemp, Jonathan, Myers, Gordon, Rea, Robert, Krajci, Thomas, Monard, Berto, Cook, Lewis
Publication Year: 2018
Collection: Astrophysics
Subject Terms: Astrophysics - Solar and Stellar Astrophysics
More Details: We report a long-term study of the eclipse times in the 10-minute helium binary ES Ceti. The binary period increases rapidly, with P/P-dot = 6.2x10^6 yr. This is consistent with the assumption that gravitational radiation (GR) drives the mass transfer, and appears to be the first dynamical evidence that GR is indeed the driver of evolution in this class of very old cataclysmic variables -- the AM Canum Venaticorum stars.
Comment: PDF, 9 pages, 1 table, 1 figure; accepted, in press, ApJ; more info at http://cbastro.org/
Document Type: Working Paper
DOI: 10.3847/1538-4357/aa9ed6
Access URL: http://arxiv.org/abs/1801.01049
Accession Number: edsarx.1801.01049
Database: arXiv
More Details
DOI:10.3847/1538-4357/aa9ed6