11506+3142 NSN  39

 
 
11h 50m 38.87s +31 42' 23.6" P.A. 257 sep 5 mag 11.90,15.50 Sp K2+K4
 
 
Coord 2000
11506+3142
Discov num
NSN  39
Comp
Coord arcsec 2000
11 50 38.87 +31 42 23.6
Date first
1955
Date last
2017
Obs
7
Pa first
257
Pa last
257
P.A. Now (θ)
257°
Sep first
4.6
Sep last
5.0
Sep. Now (ρ)
5"
Mag pri
11.90
Mag sec
15.50
delta mag (ΔM)
3.6
Spectral class
K2+K4 (yellow-orange/yellow-orange)
Pri motion ra
-230
Sec motion ra
-230
Pri motion dec
-012
Sec motion dec
-008
Notes
V (Proper motion indicates physical)
rPM=0.017 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
256.7
Precise sep
4.969
Constellation
Ursa Major
last precise pa
256.7
last precise sep
4.969
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
11506+3142 NSN 39 2017 7 257 5.0 11.90 15.50 K2+K4 V 115038.87+314223.6

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