10302+4419 COU2090

 
 
10h 30m 10.32s +44 18' 47.7" P.A. 275 sep 1.3 mag 10.89,11.16 Sp F8
 
 
Coord 2000
10302+4419
Discov num
COU2090
Comp
Coord arcsec 2000
10 30 10.32 +44 18 47.7
Date first
1982
Date last
2010
Obs
3
Pa first
279
Pa last
275
P.A. Now (θ)
275°
Sep first
1.1
Sep last
1.3
Sep. Now (ρ)
1.3"
Mag pri
10.89
Mag sec
11.16
delta mag (ΔM)
0.27
Spectral class
F8 (yellow-white)
Pri motion ra
-028
Sec motion ra
-028
Pri motion dec
-003
Sec motion dec
-003
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
274.5
Precise sep
1.286
Constellation
Ursa Major
SAO
43363
Tycho2
3008-00106-1
last precise pa
274.5
last precise sep
1.286
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10302+4419 COU2090 1991 2 275 0.6 10.89 11.16 F8 103010.32+441847.7
10302+4419 COU2090 2010 3 275 1.3 10.89 11.16 F8 103010.32+441847.7

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