Sentences with phrase «x-ray luminosities»
Surprisingly, a sub-group of early Be stars exhibits > 20 times hotter X-ray temperatures and > 10 times higher X-ray luminosities than normal.
https://arxiv.org/
(For older, even more distant galaxies, the researchers were not able to see black hole activity as clearly, but they did set upper limits on x-ray luminosity.)
Selection criteria for the 30 - star shortlist included: X-ray luminosity, rotation, spectral types or color, kinematics, metallicity, and Strömgren photometry (Margaret C. Turnbull, 2004).
In outburst, neutron star X-ray binaries produce less powerful jets than black holes at a given X-ray luminosity.
NASA, Chandra X-Ray Observatory — ring and larger images (more) Magnetic field interactions between giant stars Aa and Ab are thought to energize the corona of the larger star (Aa), generating more x-rays than would be expected for a single star (more) and creating an x-ray luminosity that is 10,000 times that of the Solar corona.
In addition, the depth of the resonance feature strongly depends on the X-ray luminosity.
Not exact matches
«For about three minutes after the BAT trigger, the superflare's X-ray brightness was greater than the combined luminosity of both stars at all wavelengths under normal conditions,» noted Goddard's Adam Kowalski, who is leading a detailed study on the event.
In X-rays TYC 8241 2652 1 has all properties expected from a young star: Its luminosity is in the saturation regime and the abundance pattern shows enhancement of O / Fe.