20242+2900 BU  443AB

 
 
20h 24m 09.01s +29 00' 07.6" P.A. 151 sep 16.7 mag 7.31,10.97 Sp A9IV dist. 129.87 pc (423.64 l.y.)
 
 
Coord 2000
20242+2900
Discov num
BU  443
Comp
AB
Coord arcsec 2000
20 24 09.01 +29 00 07.6
Date first
1878
Date last
2015
Obs
14
Pa first
134
Pa last
151
P.A. Now (θ)
151°
Sep first
13.0
Sep last
16.7
Sep. Now (ρ)
16.7"
Mag pri
7.31
Mag sec
10.97
delta mag (ΔM)
3.66
Spectral class
A9IV (white)
Pri motion ra
+010
Sec motion ra
+005
Pri motion dec
+042
Sec motion dec
-005
Notes
rPM=1.095
This double is not physical.
 
 
20242+2900 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20242+2900 BU 443 AB 1878 2015 14 151 16.7 7.31 10.97 3.66 <===
Show 20242+2900 BU 443 AC 1878 2015 12 97 33.6 7.31 10.47 3.16
Show 20242+2900 BU 443 AD 1997 2015 8 139 31.6 7.31 11.20 3.89
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
151.1
Precise sep
16.683
Constellation
Vulpecula
SAO
88629
HIP
100616
Tycho2
2168-01460-1
Gaia DR2
74752715776
HD
194358
BD
BD+28 3735
Distance
129.87
Distance ly
423.64
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20242+2900 BU 443 AB 1997 6 149 16.0 7.20 11.20 A9IV D 202409.01+290007.6
20242+2900 BU 443 AB 2002 7 150 16.2 7.20 11.20 A9IV D 202409.01+290007.6
20242+2900 BU 443 AB 2013 9 151 16.4 7.31 10.97 A9IV 202409.01+290007.6
20242+2900 BU 443 AB 2015 10 151 16.7 7.31 10.97 A9IV 202409.01+290007.6

If you need more information about this double, apply for a data request form to the WDS.