PSR B1257+12A
PSR B1257+12A of PSR 1257+12b is een exoplaneet die draait om de pulsar PSR B1257+12. De exoplaneet ligt op 2313 lichtjaar van de Aarde vandaan en staat in het sterrenbeeld Maagd. De exoplaneet is vanaf PSR B1257+12 gezien de eerste planeet. De andere exoplaneten in dit planetenstelsel zijn PSR B1257+12B, PSR B1257+12C en PSR B1257+12D.

PSR B1257+12A was in 1992 samen met PSR B1257+12B de allereerste exoplaneet waarvan ooit het bestaan werd bevestigd, voordien waren alle exoplaneten slechts speculaties. De planeten zijn ontdekt door Aleksander Wolszczan en Dale Frail. 
Q44559
exoplaneet
Concept
Q4360
pulsar
Concept
Q528
PSR B1257+12
CEL
Q531
lichtjaar
Concept
Q2
Aarde
CEL
Q8928
sterrenbeeld
Concept
Q8842
Maagd
CEL
Q206717
planetenstelsel
DIS
Q73561
PSR B1257+12B
CEL
Q74181
PSR B1257+12C
CEL
None
PSR B1257+12D
UNK
Q311958
Aleksander Wolszczan
PER
Q11873
Dale Frail
PER
Q1418146
PSR B1257+12A
CEL
Q1418146
PSR B1257+12A
CEL
1257-01-01T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
1257
DATE
1257-01-01T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
1257
DATE
2313-01-01T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
2313
DATE
1257-01-01T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
1257
DATE
1257-01-01T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
1257
DATE
1257-01-01T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
1257
DATE
1257-01-01T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
1257
DATE
1257-01-01T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
1257
DATE
1992-01-01T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
1992
DATE
1257-01-01T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
1257
DATE
+1257^^http://www.w3.org/2001/XMLSchema#decimal
1257
NUMBER
++12^^http://www.w3.org/2001/XMLSchema#decimal
+12
NUMBER
++12^^http://www.w3.org/2001/XMLSchema#decimal
+12
NUMBER
+1257^^http://www.w3.org/2001/XMLSchema#decimal
1257
NUMBER
++12^^http://www.w3.org/2001/XMLSchema#decimal
+12
NUMBER
+1257^^http://www.w3.org/2001/XMLSchema#decimal
1257
NUMBER
++12^^http://www.w3.org/2001/XMLSchema#decimal
+12
NUMBER
+1257^^http://www.w3.org/2001/XMLSchema#decimal
1257
NUMBER
++12^^http://www.w3.org/2001/XMLSchema#decimal
+12
NUMBER
+1257^^http://www.w3.org/2001/XMLSchema#decimal
1257
NUMBER
++12^^http://www.w3.org/2001/XMLSchema#decimal
+12
NUMBER
+1257^^http://www.w3.org/2001/XMLSchema#decimal
1257
NUMBER
++12^^http://www.w3.org/2001/XMLSchema#decimal
+12
NUMBER
+1257^^http://www.w3.org/2001/XMLSchema#decimal
1257
NUMBER
++12^^http://www.w3.org/2001/XMLSchema#decimal
+12
NUMBER
+1257^^http://www.w3.org/2001/XMLSchema#decimal
1257
NUMBER
++12^^http://www.w3.org/2001/XMLSchema#decimal
+12
NUMBER
parent astronomical body
constellation
discoverer or inventor
instance of
instance of