List of white dwarfs
This is a list of exceptional white dwarfs.
Firsts
These were the first white dwarfs discovered fitting these conditionsTitle | Star | Date | Data | Comments | Notes | Refs |
First discovered | Sirius B | 1852 | Sirius system | Sirius B is also the nearest white dwarf | ||
First found in a binary star system | Sirius B | 1852 | Sirius system | Sirius B is also the nearest white dwarf | ||
First double white dwarf system | LDS 275 | 1944 | L 462-56 system | |||
First solitary white dwarf | ||||||
First white dwarf in a planetary system | ||||||
First white dwarf with a planet | WD B1620—26 | 2003 | PSR B1620-26 b | This planet is a circumbinary planet, which circles both stars in the PSR B1620-26 system | ||
First white dwarf with an orbiting planet | , no planets have been found orbiting only a white dwarf | |||||
First white dwarf that is a pulsar | AR Scorpii A | 2016 | The star is in a binary system with a red dwarf |
Extremes
These are the white dwarfs which are currently known to fit these conditionsTitle | Star | Date | Data | Comments | Notes | Refs |
Nearest | Sirius B | 1852 | Sirius B is also the first white dwarf discovered. | |||
Farthest | SN UDS10Wil progenitor | 2013 | 10,500,000,000Ly z=1.914 | SN Wilson is a type-Ia supernova whose progenitor was a white dwarf | ||
Oldest | WD 0346+246 SDSS J110217.48+411315.4 | 2012 | 12 Gy | |||
Youngest | SDSS J0003+0718 | 2011 | ~13 My | provisional estimate | ||
Highest surface temperature | RX J0439.8−6809 | 2015 | This star is located in the Milky Way's galactic halo, in the field of the Large Magellanic Cloud | |||
Lowest surface temperature | PSR J2222-0137 B | 2014 | 3,000 K | |||
Most luminous | ||||||
Least luminous | PSR J2222-0137 B | 2014 | too dim to observe | |||
Brightest apparent | Sirius B | 1852 | 8.44 | |||
Dimmest apparent | PSR J2222-0137 B | 2014 | too dim to observe | |||
Most massive | RE J0317-853 | 1998 | 1.35 M☉ | |||
Least massive | SDSS J091709.55+463821.8 | 2007 | 0.17 M☉ | |||
Largest | Z Andromedae B | |||||
Smallest | RE J0317-853 | 2010 |
Nearest
Star | Date | Distance | Comments | Notes | Refs | |
Sirius B | 1852— | Sirius B is also the first white dwarf discovered |