Astrophysical X-ray sourceW
Astrophysical X-ray source
Ultraluminous X-ray sourceW
Ultraluminous X-ray source
X-ray binaryW
X-ray binary
12 CamelopardalisW
12 Camelopardalis
36 PerseiW
36 Persei
AE AquariiW
AE Aquarii
Arp 147W
Arp 147
AZ CancriW
AZ Cancri
Cygnus LoopW
Cygnus Loop
Gamma ApodisW
Gamma Apodis
IGR J17091-3624W
IGR J17091-3624
Messier 15W
Messier 15
MS 0735.6+7421W
MS 0735.6+7421
NGC 4151W
NGC 4151
RX J1131-1231W
RX J1131-1231
SGR 1900+14W
SGR 1900+14
Tau ScorpiiW
Tau Scorpii
X-ray astronomyW
X-ray astronomy