20256+2642 BU 1488BC

 
 
20H 25M 43.41S +26 42' 39.0" P.A. 357 SEP 2.6 MAG 9.69,12.59 SP A2 DIST. 840.34 PC (2741.19 L.Y.)
 
 
Coord 2000
20256+2642
Discov num
BU 1488
Comp
BC
Coord arcsec 2000
20 25 43.41 +26 42 39.0
Date first
1910
Date last
1991
Obs
3
Pa first
356
Pa last
357
P.A. Now (θ)
357°
Sep first
2.3
Sep last
2.6
Sep. Now (ρ)
2.6"
Mag pri
9.69
Mag sec
12.59
delta mag (ΔM)
2.9
Spectral class
A2 (white)
Pri motion ra
+004
Sec motion ra
+003
Pri motion dec
-007
Sec motion dec
-002
Notes
N (See Notes)
rPM=0.632
Nature of this double is uncertain.
 
 
20256+2642 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 88665 20256+2642 BU 1488 AB 1898 2013 13 74 74.3 8.31 9.69 1.38
Show 88669 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
 
 
Constellation
Vulpecula
SAO
88669
HIP
100760
Tycho2
2164-00638-1
HD
340224
BD
BD+26 3898
Distance
840.34
Distance ly
2741.19
last precise pa
356.7
last precise sep
2.61