20256+2642 BU 1488AB

 
 
20h 25m 38.10s +26 42' 16.9" P.A. 73 sep 74.2 mag 8.31,9.69 Sp F2IV dist. 137.55 pc (448.69 l.y.)
 
 
Coord 2000
20256+2642
Discov num
BU 1488
Comp
AB
Coord arcsec 2000
20 25 38.10 +26 42 16.9
Date first
1898
Date last
2015
Obs
14
Pa first
73
Pa last
73
P.A. Now (θ)
73°
Sep first
76.4
Sep last
74.2
Sep. Now (ρ)
74.2"
Mag pri
8.31
Mag sec
9.69
delta mag (ΔM)
1.38
Spectral class
F2IV (yellow-white)
Pri motion ra
+014
Sec motion ra
+001
Pri motion dec
+010
Sec motion dec
-006
Notes
N Z (See Notes, Parallax indicates components are physical)
rPM=1.198
This double is physical.
 
 
20256+2642 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20256+2642 BU 1488 AB 1898 2015 14 73 74.2 8.31 9.69 1.38 <===
Show 20256+2642 BU 1488 BC 1910 1991 3 357 2.6 9.69 12.59 2.90
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
72.9
Precise sep
74.183
Constellation
Vulpecula
SAO
88665
HIP
100750
Tycho2
2164-00668-1
Gaia DR2
04787834240
HD
194595
BD
BD+26 3897
Distance
137.55
Distance ly
448.69
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20256+2642 BU 1488 AB 2003 11 73 75.1 8.31 9.69 F2IV NZD 202538.10+264216.9
20256+2642 BU 1488 AB 2013 13 74 74.3 8.31 9.69 F2IV NZD 202538.10+264216.9
20256+2642 BU 1488 AB 2015 14 73 74.2 8.31 9.69 F2IV NZ 202538.10+264216.9

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