astrophysical X-ray source
astronomical object emitting X-rays
Capella
star in the constellation Auriga
Algol
triple star system in the constellation Perseus
Zeta Herculis
multiple star system in the constellation Hercules
Maia
star in the Taurus constellation
Orion Nebula
diffuse nebula
Whirlpool Galaxy
Extroplanet
Barnard's Star
red dwarf star in the constellation of Ophiuchus
Vela Supernova Remnant
Supernova remnant in the constellation Vela
Zeta Tauri
star
Sagittarius A
Radio source at the center of the Milky Way galaxy
Virgo Cluster
galaxy cluster
Eta Leporis
F-type main sequence star in the constellation of Lepus
Perseus Cluster
galaxy cluster in the constellation Perseus
Beta Draconis
star in the constellation Draco
Gamma Serpentis
star in the constellation Serpens
Mu Draconis
star
Gamma Tauri
star in the constellation Taurus
Phoenicia
star in the constellation Aquila
Epsilon Ceti
binary star system in the constellation Cetus
Delta Arae
star in the constellation Ara
Theta Arae
star in the constellation Ara
Lambda Arietis
binary star system in the constellation Aries
Sagittarius B2
giant molecular cloud near the Milky Way's center
V Puppis
variable star in the constellation Puppis
Bursting Pulsar
star
M Centauri
binary star system in the constellation Centaurus
FO Aquarii
star in the constellation Aquarius
Theta Draconis
star in the constellation Draco
Eta Muscae
star system in the constellation Musca
IM Lupi
astronomical object in the constellation Lupus
T Coronae Australis
young star in the constellation Corona Australis
TY Pyxidis
star in the constellation Pyxis
Helix Nebula
planetary nebula
Andromeda Galaxy
barred spiral galaxy within the Local Group
X-ray binary
class of binary stars
Achernar
star in the constellation Eridanus
Altair
star in the constellation Aquila
Procyon
binary star in the constellation Canis Minor
Pollux
star in the northern constellation of Gemini
Beta Ceti
star in the constellation Cetus
Zeta Aquarii
star system in constellation of Aquarius
Pleione
binary star in the Pleiades star cluster
Dumbbell Nebula
Planetary nebula
Epsilon Centauri
star in the constellation Centaurus
Alpha Fornacis
star in constellation Fornax
Beta Camelopardalis
star in the constellation Camelopardalis
EX Lupi
variable star in the constellation Lupus
bullet cluster
two colliding clusters of galaxies in constellation Carina
Epsilon Tauri
star in the constellation Taurus