20124-1237 BUP 206AB (Xi Cap)

 
 
20h 12m 25.87s -12 37' 03.0" P.A. 272.00 sep 90.5 mag 5.89,12.75 Sp F7V dist. 27.7 pc (90.36 l.y.)
 
 
Coord 2000
20124-1237
Discov num
BUP 206
Comp
AB
Coord arcsec 2000
20 12 25.87 -12 37 03.0
Date first
1909
Date last
2014
Obs
8
Pa first
259
Pa last
272
P.A. Now (θ)
272°
Sep first
71.6
Sep last
90.5
Sep. Now (ρ)
90.5"
Mag pri
5.89
Mag sec
12.75
delta mag (ΔM)
6.86
Spectral class
F7V (yellow-white)
Pri motion ra
+192
Sec motion ra
-005
Pri motion dec
-196
Sec motion dec
-025
Notes
N U (See Notes, Proper motion indicates non-physical)
rPM=0.951
This double is not physical.
 
 
20124-1237 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Xi Cap 163337 20124-1237 BUP 206 AB 1909 2014 8 272 90.5 5.89 12.75 6.86 <===
Show 163337 20124-1237 TDT2085 AC 1991 2015 9 194 999.9 5.89 11.20 5.31
Show 20124-1237 RAO 88 CD 2000 2015 3 273 18.0 11.20 15.59 4.39
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
272.4
Precise sep
90.455
Name
Xi Cap
Constellation
Capricornus
SAO
163337
HIP
99572
Tycho2
5748-02599-1
Gaia DR2
52737781888
HD
191862
HR
7715
GC
28035
GL
NN 4139
BD
BD-13 5608
Bayer
Xi Capricorni
Bayer name
Xi Cap
Flamsteed
2 Capricorni
Flamsteed name
2 Cap
Distance
27.7
Distance ly
90.36
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20124-1237 BUP 206 AB 1979 2 269 83.5 5.85 12.10 F7V N 201225.76-123701.3
20124-1237 BUP 206 AB 2000 3 271 87.6 5.85 12.10 F7V N 201225.76-123701.3
20124-1237 BUP 206 AB 2014 8 272 90.5 5.89 12.75 F7V NU 201225.87-123703.0

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