10178+2000 A  2149AB

 
 
10h 17m 45.67s +20 00' 12.3" P.A. 280 sep 0.8 mag 8.10,13.90 Sp K2 dist. 1388.89 pc (4530.56 l.y.)
 
 
Coord 2000
10178+2000
Discov num
A  2149
Comp
AB
Coord arcsec 2000
10 17 45.67 +20 00 12.3
Date first
1910
Date last
1975
Obs
3
Pa first
303
Pa last
280
P.A. Now (θ)
280°
Sep first
1.4
Sep last
0.8
Sep. Now (ρ)
0.8"
Mag pri
8.10
Mag sec
13.90
delta mag (ΔM)
5.8
Spectral class
K2 (yellow-orange)
Pri motion ra
-008
Sec motion ra
Pri motion dec
-003
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
10178+2000 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 81274 10178+2000 A 2149 AB 1910 1975 3 280 0.8 8.10 13.90 5.80 <===
Show 81274 10178+2000 A 2149 AC 1910 2016 5 194 9.6 8.24 13.90 5.66
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
279.8
Precise sep
0.8
Constellation
Leo
SAO
81274
HIP
50425
Tycho2
1425-01506-1
HD
89196
BD
BD+20 2460
Distance
1388.89
Distance ly
4530.56
last precise pa
279.8
last precise sep
0.8
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10178+2000 A 2149 AB 1975 3 280 0.8 8.10 13.90 K2 101745.67+200012.3

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