20128+1210 A   722

 
 
20h 12m 47.30s +12 10' 04.3" P.A. 162 sep 2.7 mag 10.02,10.31 Sp F5
 
 
Coord 2000
20128+1210
Discov num
A   722
Comp
Coord arcsec 2000
20 12 47.30 +12 10 04.3
Date first
1904
Date last
2018
Obs
27
Pa first
161
Pa last
162
P.A. Now (θ)
162°
Sep first
2.4
Sep last
2.7
Sep. Now (ρ)
2.7"
Mag pri
10.02
Mag sec
10.31
delta mag (ΔM)
0.29
Spectral class
F5 (yellow-white)
Pri motion ra
+015
Sec motion ra
+018
Pri motion dec
+019
Sec motion dec
+004
Notes
rPM=0.632
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
162.4
Precise sep
2.736
Constellation
Aquila
Tycho2
1081-01156-1
Gaia DR2
31982190848
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20128+1210 A 722 1999 24 163 2.6 10.02 10.31 F5 D 201247.30+121004.3
20128+1210 A 722 2009 25 163 2.6 10.02 10.31 F5 D 201247.30+121004.3
20128+1210 A 722 2015 26 163 2.7 10.02 10.31 F5 201247.30+121004.3

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