stephenbrooks.orghiddennotes

Distances to nearby known galactic objects of various types:

White DwarfDistance (l.y.)
Sirius B8.61
Procyon B11.41
Van Maanen's Star14.38
Luyten 145 -14115.06
Source[Open External Link in New Window]
Extrasolar PlanetDistance (l.y.)
Epsilon Eridani b,c[Open External Link in New Window]10.5
Gliese 876 b,c[Open External Link in New Window]15.2[Open External Link in New Window], 15
Next a group at 35+
Brown DwarfDistance (l.y.)
Epsilon Indi B[Open External Link in New Window]11.8 [11.83 correlated]
DENIS-P J104814.7-395606[Open External Link in New Window]?13
Gliese 229B[Open External Link in New Window]21.8[Open External Link in New Window] (19, 18)
Red GiantDistance (l.y.)
Scheat[Open External Link in New Window]199.2 ± 8.8
Mirach[Open External Link in New Window]199.4 ± 9.3, 200[Open External Link in New Window] [also majority vote], 130[Open External Link in New Window], 75[Open External Link in New Window]
Menkar[Open External Link in New Window]220 ± 12
Mira / Omicron Ceti[Open External Link in New Window]419 ± 58, 420 (HIPPARCOS satellite), 400, 130[Open External Link in New Window], 95[Open External Link in New Window]
Betelgeuse425[Open External Link in New Window], 550, 600 [majority], 880
Another Source[Open External Link in New Window]
Neutron Star[Open External Link in New Window]Distance (l.y.)
RX J185635-3754[Open External Link in New Window] / RX J1856.5-3754[Open External Link in New Window]200 (150, 180; NASA)
PulsarDistance (l.y.)
PSRJ0108-1431[Open External Link in New Window]280
PSR J0437-4715[Open External Link in New Window]587[Open External Link in New Window] / 400[Open External Link in New Window]
Crab Nebula Pulsar[Open External Link in New Window]5610 / 6000 / 6300 / 6500 / 7200 (various)
NebulaDistance (l.y.)
NGC 7293 / Helix Nebula450, also 85 / 590 / 280 / 160 / 300[Open External Link in New Window]
Quark StarDistance (l.y.)
?RJX J185635-375[Open External Link in New Window] (see above)?450
Unbound PlanetDistance (l.y.)
SOri70[Open External Link in New Window]1150
Black HoleDistance (l.y.)
V 4641[Open External Link in New Window]1600
Cygnus X-18000 / 10000 (various)
Globular ClusterDistance (l.y.)
M46800
NGC 6397[Open External Link in New Window]7200

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