11398+2811 A   560

 
 
11h 39m 49.30s +28 10' 41.0" P.A. 1 sep 4.6 mag 9.16,12.50 Sp F5V dist. 403.23 pc (1315.34 l.y.)
 
 
Coord 2000
11398+2811
Discov num
A   560
Comp
Coord arcsec 2000
11 39 49.30 +28 10 41.0
Date first
1903
Date last
2014
Obs
8
Pa first
355
Pa last
1
P.A. Now (θ)
Sep first
4.5
Sep last
4.6
Sep. Now (ρ)
4.6"
Mag pri
9.16
Mag sec
12.50
delta mag (ΔM)
3.34
Spectral class
F5V (yellow-white)
Pri motion ra
-046
Sec motion ra
Pri motion dec
-027
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
1
Precise sep
4.6
Constellation
Leo
SAO
81928
HIP
56895
Tycho2
1984-01821-1
BD
BD+28 2026
Distance
403.23
Distance ly
1315.34
last precise pa
1
last precise sep
4.6
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
11398+2811 A 560 1998 6 0 4.9 9.00 12.50 F5V D 113949.30+281041.0
11398+2811 A 560 2014 7 1 4.6 9.00 12.50 F5V 113949.30+281041.0

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