In astronomy, Calvera (also known as 1RXS J141256.0+792204) is an X-ray source in the constellation Ursa Minor, identified in 2007 as an isolated neutron...
5 KB (486 words) - 03:58, 9 February 2025
character from the film The Magnificent Seven, played by Eli Wallach Calvera (X-ray source), the nickname for 1RXS J141256.0+792204, an isolated neutron star...
393 bytes (88 words) - 01:28, 3 October 2020
The Magnificent Seven (neutron stars) (section Sources)
classification was discovered: Calvera (X-ray source). Since 2001, no new good candidates have appeared. All seven sources were discovered by the ROSAT...
16 KB (1,914 words) - 19:14, 30 May 2025
Neutron star (category CS1 German-language sources (de))
X-ray sources, thought to be Isolated Neutron Stars surrounded by supernova remnants. X-ray pulsars or "accretion-powered pulsars": a class of X-ray binaries...
116 KB (13,892 words) - 22:48, 31 May 2025
Magnificent Seven, Calvera is the nickname given to an X-ray source known as 1RXS J141256.0+792204 in the ROSAT All-Sky Survey Bright Source Catalog (RASS/BSC)...
53 KB (5,858 words) - 03:29, 9 April 2025
projected rotational velocity of 84.8 km/s. These coordinates mark a source of X-ray emission with a luminosity of 11.5×1028 erg s−1. Eta Ursae Minoris...
8 KB (685 words) - 05:47, 21 August 2024