20421+0648 GWP2987

 
 
20h 42m 08.45s +06 48' 18.4" P.A. 295 sep 266 mag 16.30,18.90
 
 
Coord 2000
20421+0648
Discov num
GWP2987
Comp
Coord arcsec 2000
20 42 08.45 +06 48 18.4
Date first
1991
Date last
2010
Obs
3
Pa first
295
Pa last
295
P.A. Now (θ)
295°
Sep first
266.0
Sep last
266.0
Sep. Now (ρ)
266"
Mag pri
16.30
Mag sec
18.90
delta mag (ΔM)
2.6
Spectral class
Pri motion ra
-042
Sec motion ra
-042
Pri motion dec
-102
Sec motion dec
-096
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.054 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
295
Precise sep
265.98
Constellation
Delphinus
last precise pa
295
last precise sep
265.98
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20421+0648 GWP2987 2000 2 295 266.0 16.30 18.90 V R 204208.45+064818.4
20421+0648 GWP2987 2010 3 295 266.1 16.30 18.90 V R 204208.45+064818.4

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