20051+2039 BUP 203AB

 
 
20h 05m 04.91s +20 38' 53.3" P.A. 247 sep 13.4 mag 8.75,13.50 Sp C6II
 
 
Coord 2000
20051+2039
Discov num
BUP 203
Comp
AB
Coord arcsec 2000
20 05 04.91 +20 38 53.3
Date first
1895
Date last
2015
Obs
7
Pa first
249
Pa last
247
P.A. Now (θ)
247°
Sep first
13.0
Sep last
13.4
Sep. Now (ρ)
13.4"
Mag pri
8.75
Mag sec
13.50
delta mag (ΔM)
4.75
Spectral class
C6II (red carbon star)
Pri motion ra
+001
Sec motion ra
+000
Pri motion dec
-001
Sec motion dec
-006
Notes
N (See Notes)
rPM=0.85
This double is not physical.
 
 
20051+2039 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20051+2039 BUP 203 AB 1895 2015 7 247 13.4 8.75 13.50 4.75 <===
Show 20051+2039 BUP 203 AC 1895 2015 8 102 59.4 8.75 12.97 4.22
Show 20051+2039 BLL 44 AD 1879 2015 9 95 75.3 8.75 12.20 3.45
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
247.2
Precise sep
13.376
Constellation
Sagitta
SAO
88158
Tycho2
1629-01033-1
Gaia DR2
43707604736
HD
190606
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20051+2039 BUP 203 AB 1909 2 248 13.1 8.75 13.50 C6II N 200504.91+203853.3
20051+2039 BUP 203 AB 2001 3 247 13.2 8.75 13.50 C6II N 200504.91+203853.3
20051+2039 BUP 203 AB 2015 4 247 13.4 8.75 13.50 C6II N 200504.91+203853.3

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