20198+0716 GRV 331

 
 
20h 19m 52.45s +07 16' 57.6" P.A. 323 sep 47.5 mag 12.04,13.25
 
 
Coord 2000
20198+0716
Discov num
GRV 331
Comp
Coord arcsec 2000
20 19 52.45 +07 16 57.6
Date first
1919
Date last
2015
Obs
8
Pa first
324
Pa last
323
P.A. Now (θ)
323°
Sep first
47.6
Sep last
47.5
Sep. Now (ρ)
47.5"
Mag pri
12.04
Mag sec
13.25
delta mag (ΔM)
1.21
Spectral class
Pri motion ra
+012
Sec motion ra
+014
Pri motion dec
-026
Sec motion dec
-033
Notes
rPM=0.203 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
322.8
Precise sep
47.548
Constellation
Aquila
Tycho2
0508-00643-1
Gaia DR2
73174601600
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20198+0716 GRV 331 2000 3 323 47.6 12.00 13.20 D 201952.45+071657.6
20198+0716 GRV 331 2010 4 323 47.5 12.04 13.25 201952.45+071657.6
20198+0716 GRV 331 2015 5 323 47.5 12.04 13.25 201952.45+071657.6

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