18564+0228 J  2681AB

 
 
18h 56m 25.60s +02 28' 16.2" P.A. 34 sep 83.4 mag 6.15,12.36 Sp G8III dist. 156.49 pc (510.47 l.y.)
 
 
Coord 2000
18564+0228
Discov num
J  2681
Comp
AB
Coord arcsec 2000
18 56 25.60 +02 28 16.2
Date first
1943
Date last
2001
Obs
4
Pa first
35
Pa last
34
P.A. Now (θ)
34°
Sep first
100.0
Sep last
83.4
Sep. Now (ρ)
83.4"
Mag pri
6.15
Mag sec
12.36
delta mag (ΔM)
6.21
Spectral class
G8III (yellow)
Pri motion ra
+011
Sec motion ra
Pri motion dec
-005
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
18564+0228 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 124073 18564+0228 J 2681 AB 1943 2001 4 34 83.4 6.15 12.36 6.21 <===
Show 18564+0228 J 2681 BC 1943 2001 4 100 6.2 13.00 13.10 0.10
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
33.8
Precise sep
83.42
Constellation
Serpens
SAO
124073
HIP
92968
Tycho2
0453-00168-1
HD
175679
HR
7144
BD
BD+02 3730
Distance
156.49
Distance ly
510.47
last precise pa
33.8
last precise sep
83.42
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18564+0228 J 2681 AB 2001 3 34 83.4 6.15 12.00 G8III D 185625.60+022816.3

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