NGC 1444
NGC 1444 is a small open cluster of stars in the northern constellation of Perseus, about 2-° to the northwest of 43 Persei. It has an angular diameter of and a brightness of 6.60 in visual magnitude. The cluster has sixty members of seventh magnitude or fainter, and is better appreciated in larger telescopes. NGC 1444 was discovered on 18 December 1788 by the German-British astronomer William Herschel. It is located at a distance of from the Sun and is about 7.1 million years old. The cluster has a physical core radius of and a tidal radius of . The most prominent member is the triple star system Σ446, with a magnitude 6.7 primary. The cluster is a member of the Camelopardalis OB1 association.
Q11387
open cluster
Concept
Q8928
constellation
Concept
Q10511
Perseus
CEL
Q9553043
43 Persei
CEL
Q718647
angular diameter
Concept
Q11063
astronomer
Concept
Q14277
William Herschel
PER
Q525
Sun
CEL
Q11276
tidal radius
Concept
Q6440
association
Concept
Q1043426
NGC 1444
DIS
Q1043426
NGC 1444
DIS
1444-01-01T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
1444
DATE
1444-01-01T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
1444
DATE
1788-12-18T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
18 December 1788
DATE
+2^^http://www.w3.org/2001/XMLSchema#decimal
2
NUMBER
+43^^http://www.w3.org/2001/XMLSchema#decimal
43
NUMBER
+6.60^^http://www.w3.org/2001/XMLSchema#decimal
6.60
NUMBER
+7.1^^http://www.w3.org/2001/XMLSchema#decimal
7.1
NUMBER
+446^^http://www.w3.org/2001/XMLSchema#decimal
446
NUMBER
+6.7^^http://www.w3.org/2001/XMLSchema#decimal
6.7
NUMBER
+1^^http://www.w3.org/2001/XMLSchema#decimal
1
NUMBER
instance of
constellation
discoverer or inventor
time of discovery or invention
instance of
constellation
occupation