21080+0539 BU 9018CD

 
 
21h 07m 50.14s +05 38' 20.1" P.A. 338 sep 5.9 mag 13.00,13.30
 
 
Coord 2000
21080+0539
Discov num
BU 9018
Comp
CD
Coord arcsec 2000
21 07 50.14 +05 38 20.1
Date first
2000
Date last
2015
Obs
3
Pa first
341
Pa last
338
P.A. Now (θ)
338°
Sep first
5.9
Sep last
5.9
Sep. Now (ρ)
5.9"
Mag pri
13.00
Mag sec
13.30
delta mag (ΔM)
0.3
Spectral class
Pri motion ra
+007
Sec motion ra
-006
Pri motion dec
-010
Sec motion dec
+011
Notes
R (Red magnitudes)
rPM=1.971
This double is not physical.
 
 
21080+0539 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 21080+0539 HJ 3011 AB 1830 2000 4 254 11.5 8.30 14.50 6.20
Show 21080+0539 BU 9018 AC 1901 2000 3 251 140.3 8.30 12.49 4.19
Show 21080+0539 BU 9018 CD 2000 2015 3 338 5.9 13.00 13.30 0.30 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
338
Precise sep
5.93
Cdsa2 id
BU 9018 CD
Constellation
Equuleus
Ra deg
21.130594444444444
De deg
5.638916666666666
last precise pa
338
last precise sep
5.93
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21080+0539 BU 9018 CD 2000 1 341 5.9 11.70 12.10 210750.01+053825.7
21080+0539 BU 9018 CD 2015 3 338 5.9 13.00 13.30 R 210750.14+053820.1

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