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
Gaia DR2
20895917056
 
 
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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