21115+4115 STT 431BC

 
 
21H 11M 31.08S +41 14' 27.1" P.A. 355 SEP 56.1 MAG 8.99,11.99 SP F8 DIST. 102.88 PC (335.59 L.Y.)
 
 
Coord 2000
21115+4115
Discov num
STT 431
Comp
BC
Coord arcsec 2000
21 11 31.08 +41 14 27.1
Date first
1893
Date last
2012
Obs
7
Pa first
352
Pa last
355
P.A. Now (θ)
355°
Sep first
51.2
Sep last
56.1
Sep. Now (ρ)
56.1"
Mag pri
8.99
Mag sec
11.99
delta mag (ΔM)
3
Spectral class
F8 (yellow-white)
Pri motion ra
-013
Sec motion ra
-005
Pri motion dec
-055
Sec motion dec
-002
Notes
rPM=0.948
This double is not physical.
 
 
21115+4115 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 21115+4115 STT 431 AB 1843 2016 67 126 2.6 8.80 8.99 0.19
Show 21115+4115 STT 431 AC 1893 2002 4 356 54.7 8.80 11.99 3.19
Show 21115+4115 STT 431 BC 1893 2012 7 355 56.1 8.99 11.99 3.00 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cygnus
HIP
104614
Tycho2
3173-01179-2
HD
201936
BD
BD+40 4435
Distance
102.88
Distance ly
335.59
last precise pa
355.1
last precise sep
56.13