20516+0747 SKF1868

 
 
20h 51m 35.13s +07 46' 49.4" P.A. 313.00 sep 57.7 mag 9.69,9.73 Sp F0+F0
 
 
Coord 2000
20516+0747
Discov num
SKF1868
Comp
Coord arcsec 2000
20 51 35.13 +07 46 49.4
Date first
1909
Date last
2020
Obs
15
Pa first
314
Pa last
313
P.A. Now (θ)
313°
Sep first
57.7
Sep last
57.7
Sep. Now (ρ)
57.7"
Mag pri
9.69
Mag sec
9.73
delta mag (ΔM)
0.04
Spectral class
F0+F0 (yellow-white/yellow-white)
Pri motion ra
-006
Sec motion ra
-007
Pri motion dec
-006
Sec motion dec
-007
Notes
V (Proper motion indicates physical)
rPM=0.143 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
313.4
Precise sep
57.65
Constellation
Hydra
Tycho2
1090-02268-1
Gaia DR2
1737779575106332800
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20516+0747 SKF1868 2010 8 313 57.6 9.69 9.73 F0+F0 205135.13+074649.4
20516+0747 SKF1868 2015 10 313 57.6 9.69 9.73 F0+F0 205135.13+074649.4

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