20276+3224 HDS2929AB

 
 
20h 27m 37.55s +32 24' 06.6" P.A. 195 sep 7.3 mag 9.04,13.09 Sp B8 dist. 2127.66 pc (6940.43 l.y.)
 
 
Coord 2000
20276+3224
Discov num
HDS2929
Comp
AB
Coord arcsec 2000
20 27 37.55 +32 24 06.6
Date first
1991
Date last
2015
Obs
8
Pa first
205
Pa last
195
P.A. Now (θ)
195°
Sep first
4.2
Sep last
7.3
Sep. Now (ρ)
7.3"
Mag pri
9.04
Mag sec
13.09
delta mag (ΔM)
4.05
Spectral class
B8 (blue-white)
Pri motion ra
-001
Sec motion ra
+000
Pri motion dec
-007
Sec motion dec
-008
Notes
rPM=0.177 (< 0.3, Physical double)
This double is physical.
 
 
20276+3224 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20276+3224 HDS2929 AB 1991 2015 8 195 7.3 9.04 13.09 4.05 <===
Show 20276+3224 HDS2929 AC 1933 2015 8 11 7.0 9.04 12.40 3.36
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
194.9
Precise sep
7.324
Constellation
Cygnus
SAO
70053
HIP
100914
Tycho2
2689-01527-1
Gaia DR2
36655943936
HD
332293
BD
BD+31 4092
Distance
2127.66
Distance ly
6940.43
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20276+3224 HDS2929 AB 2002 3 192 7.1 9.04 14.10 B8 202737.55+322406.6
20276+3224 HDS2929 AB 2015 5 195 7.3 9.04 13.09 B8 202737.55+322406.6

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