This is a list of exceptional white dwarf stars.
These were the first white dwarfs discovered fitting these conditions
Title | Star | Date | Data | Comments | Notes | Refs |
---|---|---|---|---|---|---|
First discovered | Sirius B | 1852 | Sirius system | Sirius B is also the nearest white dwarf (as of 2005) | [1][2] | |
First found in a binary star system | ||||||
First double white dwarf system | LDS 275 | 1944 | L 462-56 system | [3] | ||
First solitary white dwarf | Van Maanen 2 | 1917 | Van Maanen's star is also the nearest solitary white dwarf | [4] | ||
First white dwarf in a planetary system | ||||||
First white dwarf with a planet | WD B1620−26 | 2003 | PSR B1620-26 b (planet) | This planet is a circumbinary planet, which circles both stars in the PSR B1620-26 system | [5][6] | |
First singular white dwarf with a planet | WD 1145+017 | 2015 | WD 1145+017 b | Planet is extremely small and is disintegrating. | ||
First white dwarf that is a pulsar | AR Scorpii A | 2016 | The star is in a binary system with a red dwarf | [7] | ||
These are the white dwarfs which are currently known to fit these conditions
Title | Star | Date | Data | Comments | Notes | Refs |
---|---|---|---|---|---|---|
Nearest | Sirius | 1852 | 8.6 ly (2.6 pc) | Sirius B is also the first white dwarf discovered. | See also: § Nearest |
[1][2] |
Farthest | SN UDS10Wil progenitor | 2013 | 10,000,000,000Ly z=1.914 | SN Wilson is a type-Ia supernova whose progenitor was a white dwarf | [8][9][10] | |
Oldest | WD 0343+247 SDSS J110217.48+411315.4 |
2012 | 12 Gy (tied) | |||
Youngest | SDSS J0003+0718 | 2011 | < 13 My | provisional estimate | ||
Highest surface temperature | RX J0439.8−6809 | 2015 | 250,000 K (250,000 °C; 450,000 °F) | This star is located in the Milky Way's galactic halo, in the field of the Large Magellanic Cloud | [11][12] | |
Lowest surface temperature | LSPM J1403+4533 | 2010 | 2,670 K (2,400 °C; 4,350 °F) | Quite a large margin of error (1500 K) | [13] | |
Most luminous | ||||||
Least luminous | PSR J2222-0137 B | 2014 | too dim to observe | |||
Brightest apparent | Sirius | 1852 | 8.44 (V) | |||
Dimmest apparent | PSR J2222-0137 B | 2014 | too dim to observe | |||
Most massive (contender) | RE J0317-853 | 1998 | 1.35 M☉ | |||
Most massive (contender) | ZTF J1901+1458 | 2020 | 1.35 M☉ | |||
Least massive | SDSS J091709.55+463821.8 | 2007 | 0.17 M☉ | |||
Largest | Z Andromedae B | 0.265±0.095 R☉ | ||||
Smallest | RE J0317-853 | 2010 | 0.0035±0.000575 R☉ |
Star | Distance | Comments | Notes | Refs | |
---|---|---|---|---|---|
Sirius B | 8.58 ly (2.63 pc) | Sirius B is also the first white dwarf discovered. It is part of the Sirius system. | [1][2][14][15] | ||
Procyon B | 11.43 ly (3.50 pc) | Part of Procyon system | [14][15] | ||
van Maanen's Star | 14.04 ly (4.30 pc) | [14][15] | |||
GJ 440 | 15.09 ly (4.63 pc) | [14] | |||
40 Eridani B | 16.25 ly (4.98 pc) | Part of 40 Eridani system | [14][15] | ||
Stein 2051 B | 18.06 ly (5.54 pc) | Part of Stein 2051 system | [14][15] | ||
LP 44-113 | 20.0 ly (6.1 pc) | [15] | |||
G 99-44 | 20.9 ly (6.4 pc) | [15] | |||
L 97-12 | 25.8 ly (7.9 pc) | [15] | |||
Wolf 489 | 26.7 ly (8.2 pc) | [15] | |||
White dwarf | |
---|---|
Formation |
|
Fate |
|
In binary systems |
|
Properties |
|
Related |
|
|
Stars | |||||||
---|---|---|---|---|---|---|---|
Formation |
| ||||||
Evolution |
| ||||||
Classification |
| ||||||
Nucleosynthesis | |||||||
Structure |
| ||||||
Properties |
| ||||||
Star systems | |||||||
Earth-centric observations |
| ||||||
Lists |
| ||||||
Related |
| ||||||