13 Pages

## Welcome to the AstroRecords WikiEdit

The Guiness book of records for astronomical objects

## Latest activityEdit

• Most Metal Poor Star
created by Almog.yalinewich  New page: The most metal poor star is SMSS0313-6708, with a metalicity of $\left[Fe/H\right] = -6.5$ Summary: create entry
• Fastest Spinning Neutron Star
created by Almog.yalinewich  New page: The fastest spinning neutron star is PSR J1748-2446ad, with a rotation frequency of 716Hz. Summary: create entry
• Most Distant Quasar
created by Almog.yalinewich  New page: The most distant quasar is ULASJ134208.10+092838.61. Its redshift is z = 7.54. Summary: create entry
• Slowest Spinning Pulsar
created by Almog.yalinewich  New page: The slowest spinning pulsar is PSR J0250+5854, which has a rotation period of 23.5 seconds. Summary: create entry
created by Almog.yalinewich  New page: The brightest radio quasar is PSO J352-15, with a measured flux of about 100 mJy. Summary: create entry
• Eddington Ratio
created by Almog.yalinewich  New page: The Eddington ratio is the ratio between an object's actual luminosity and its Eddington luminosity. NGC 5907 X-1 has an Eddington ratio of about... Summary: create entry on the eddington ratio
• Black Hole Mass
created by Almog.yalinewich  New page: Black holes appear as two distinct populations. One population is stellar mass black holes ranging between 1 and 100 solar masses, which are thought... Summary: create page on extreme black hole masses
• Most Massive Black Hole
edited by Almog.yalinewich  Summary: fix typo
• Most Massive Black Hole
created by Almog.yalinewich  New page: The most massive black hole is in the Quasar SMSS J215728.21-360215. Its estimated mass (assuming Eddington luminosity) is \$ 2 \cdot 10^{11}... Summary: create entry on the most massive black hole
• Most Massive Neutron Star
created by Almog.yalinewich  New page: The most massive neutron star is the pulsar PSR B1957+20, with a mass of about 2.4 solar masses. Summary: add entry on the most massive neutron star