20242+2900 BU  443AC

 
 
20h 24m 09.01s +29 00' 07.6" P.A. 97.00 sep 33.6 mag 7.31,10.47 Sp A9IV dist. 129.87 pc (423.64 l.y.)
 
 
Coord 2000
20242+2900
Discov num
BU  443
Comp
AC
Coord arcsec 2000
20 24 09.01 +29 00 07.6
Date first
1878
Date last
2015
Obs
12
Pa first
87
Pa last
97
P.A. Now (θ)
97°
Sep first
35.2
Sep last
33.6
Sep. Now (ρ)
33.6"
Mag pri
7.31
Mag sec
10.47
delta mag (ΔM)
3.16
Spectral class
A9IV (white)
Pri motion ra
+010
Sec motion ra
-006
Pri motion dec
+042
Sec motion dec
-003
Notes
rPM=1.106
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 88629 20242+2900 BU 443 AB 1878 2015 14 151 16.7 7.31 10.97 3.66
Show 88629 20242+2900 BU 443 AC 1878 2015 12 97 33.6 7.31 10.47 3.16 <===
Show 88629 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
97.2
Precise sep
33.565
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 AC 1997 6 96 33.8 7.20 11.70 A9IV D 202409.01+290007.6
20242+2900 BU 443 AC 2002 7 96 33.7 7.20 11.70 A9IV D 202409.01+290007.6
20242+2900 BU 443 AC 2013 8 97 33.2 7.31 10.47 A9IV 202409.01+290007.6
20242+2900 BU 443 AC 2015 9 97 33.6 7.31 10.47 A9IV 202409.01+290007.6

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