20190+2117 GRV 329

 
 
20h 19m 05.02s +21 17' 28.4" P.A. 339 sep 66.7 mag 10.40,11.90
 
 
Coord 2000
20190+2117
Discov num
GRV 329
Comp
Coord arcsec 2000
20 19 05.02 +21 17 28.4
Date first
1892
Date last
2015
Obs
12
Pa first
340
Pa last
339
P.A. Now (θ)
339°
Sep first
65.9
Sep last
66.7
Sep. Now (ρ)
66.7"
Mag pri
10.40
Mag sec
11.90
delta mag (ΔM)
1.5
Spectral class
Pri motion ra
-012
Sec motion ra
-009
Pri motion dec
-023
Sec motion dec
-017
Notes
V (Proper motion indicates physical)
rPM=0.259 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
339.3
Precise sep
66.67
Constellation
Sagitta
Tycho2
1643-00602-1
Gaia DR2
71373036160
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20190+2117 GRV 329 2000 5 339 66.7 10.40 11.90 D 201905.02+211728.4
20190+2117 GRV 329 2001 6 339 66.6 10.40 11.90 D 201905.02+211728.4
20190+2117 GRV 329 2010 6 339 66.7 10.40 11.90 201905.02+211728.4
20190+2117 GRV 329 2015 7 339 66.7 10.40 11.90 201905.02+211728.4

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