21442+2631 BUP 230CD

 
 
21h 43m 27.62s +26 29' 34.6" P.A. 32 sep 277.9 mag 9.84,10.21 Sp K0
 
 
Coord 2000
21442+2631
Discov num
BUP 230
Comp
CD
Coord arcsec 2000
21 43 27.62 +26 29 34.6
Date first
1875
Date last
2008
Obs
13
Pa first
33
Pa last
32
P.A. Now (θ)
32°
Sep first
275.8
Sep last
277.9
Sep. Now (ρ)
277.9"
Mag pri
9.84
Mag sec
10.21
delta mag (ΔM)
0.37
Spectral class
K0 (yellow-orange)
Pri motion ra
-002
Sec motion ra
+009
Pri motion dec
-016
Sec motion dec
-005
Notes
W
rPM=0.965
This double is not physical.
 
 
21442+2631 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 21442+2631 BUP 230 AB 1910 2008 5 292 45.3 8.47 13.53 5.06
Show 21442+2631 BUP 230 AC 1875 2008 8 260 571.7 8.47 9.84 1.37
Show 21442+2631 BUP 230 AD 1875 2008 13 289 439.8 8.47 10.21 1.74
Show 21442+2631 BKO 632 AE 1999 2008 3 113 17.3 8.47 13.59 5.12
Show 21442+2631 BUP 230 CD 1875 2008 13 32 277.9 9.84 10.21 0.37 <===
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
31.9
Precise sep
277.92
Constellation
Pegasus
Tycho2
2197-01794-1
last precise pa
31.9
last precise sep
277.92
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21442+2631 BUP 230 CD 2003 11 32 275.6 9.84 10.21 K0 D 214327.62+262934.6
21442+2631 BUP 230 CD 2008 12 32 277.9 9.84 10.21 K0 D 214327.62+262934.6

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