20290-0105 BAL 612

 
 
20h 28m 58.14s -01 05' 02.9" P.A. 238 sep 8.5 mag 9.70,10.80
 
 
Coord 2000
20290-0105
Discov num
BAL 612
Comp
Coord arcsec 2000
20 28 58.14 -01 05 02.9
Date first
1895
Date last
2015
Obs
12
Pa first
239
Pa last
238
P.A. Now (θ)
238°
Sep first
8.8
Sep last
8.5
Sep. Now (ρ)
8.5"
Mag pri
9.70
Mag sec
10.80
delta mag (ΔM)
1.1
Spectral class
Pri motion ra
-016
Sec motion ra
-021
Pri motion dec
-020
Sec motion dec
-019
Notes
rPM=0.18 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
237.7
Precise sep
8.5
Constellation
Aquila
Gaia DR2
69148194304
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20290-0105 BAL 612 1998 4 238 8.5 9.70 10.80 D 202858.14-010502.9
20290-0105 BAL 612 2000 5 238 8.5 9.70 10.80 D 202858.14-010502.9
20290-0105 BAL 612 2015 7 238 8.5 9.70 10.80 202858.14-010502.9

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