20298+4143 GRV 344

 
 
20h 29m 48.11s +41 43' 21.6" P.A. 34 sep 20.5 mag 9.04,10.89 Sp F5
 
 
Coord 2000
20298+4143
Discov num
GRV 344
Comp
Coord arcsec 2000
20 29 48.11 +41 43 21.6
Date first
1892
Date last
2015
Obs
11
Pa first
35
Pa last
34
P.A. Now (θ)
34°
Sep first
20.8
Sep last
20.5
Sep. Now (ρ)
20.5"
Mag pri
9.04
Mag sec
10.89
delta mag (ΔM)
1.85
Spectral class
F5 (yellow-white)
Pri motion ra
+033
Sec motion ra
+035
Pri motion dec
+021
Sec motion dec
+023
Notes
rPM=0.068 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
33.6
Precise sep
20.514
Constellation
Cygnus
SAO
49696
Tycho2
3160-00185-1
Gaia DR2
84017233024
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20298+4143 GRV 344 2000 5 34 20.5 9.00 10.80 D 202948.11+414321.6
20298+4143 GRV 344 2002 6 34 20.6 9.00 10.80 D 202948.11+414321.6
20298+4143 GRV 344 2010 6 34 20.5 9.04 10.89 F5 202948.11+414321.6
20298+4143 GRV 344 2015 7 34 20.5 9.04 10.89 F5 202948.11+414321.6

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