18277+2536 HDS2612AB

 
 
18h 27m 44.89s +25 35' 38.0" P.A. 110 sep 4.5 mag 8.99,13.35 Sp B9 dist. 278.55 pc (908.63 l.y.)
 
 
Coord 2000
18277+2536
Discov num
HDS2612
Comp
AB
Coord arcsec 2000
18 27 44.89 +25 35 38.0
Date first
1991
Date last
1991
Obs
2
Pa first
110
Pa last
110
P.A. Now (θ)
110°
Sep first
4.5
Sep last
4.5
Sep. Now (ρ)
4.5"
Mag pri
8.99
Mag sec
13.35
delta mag (ΔM)
4.36
Spectral class
B9 (blue-white)
Pri motion ra
-008
Sec motion ra
-010
Pri motion dec
+000
Sec motion dec
-002
Notes
rPM=0.277 (< 0.3, Physical double)
This double is physical.
 
 
18277+2536 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 86084 18277+2536 HDS2612 AB 1991 1991 2 110 4.5 8.99 13.35 4.36 <===
Show 86084 18277+2536 DAM1238 AC 1905 2010 6 277 15.1 8.99 12.00 3.01
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
109.7
Precise sep
4.45
Constellation
Hercules
SAO
86084
HIP
90480
Tycho2
2110-01543-1
HD
170327
BD
BD+25 3535
Distance
278.55
Distance ly
908.63
last precise pa
109.7
last precise sep
4.45
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18277+2536 HDS2612 AB 1991 2 110 4.5 8.99 13.35 B9 182744.89+253538.0

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