20426+1300 GWP2988

 
 
20h 42m 35.72s +13 00' 06.9" P.A. 23 sep 19.2 mag 16.30,18.10
 
 
Coord 2000
20426+1300
Discov num
GWP2988
Comp
Coord arcsec 2000
20 42 35.72 +13 00 06.9
Date first
1990
Date last
2010
Obs
3
Pa first
23
Pa last
23
P.A. Now (θ)
23°
Sep first
19.2
Sep last
19.2
Sep. Now (ρ)
19.2"
Mag pri
16.30
Mag sec
18.10
delta mag (ΔM)
1.8
Spectral class
Pri motion ra
-014
Sec motion ra
-008
Pri motion dec
-056
Sec motion dec
-068
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.196 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
23.2
Precise sep
19.16
Constellation
Delphinus
last precise pa
23.2
last precise sep
19.16
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20426+1300 GWP2988 1997 2 23 19.1 16.30 18.10 V R 204235.72+130006.9
20426+1300 GWP2988 2010 3 23 19.1 16.30 18.10 V R 204235.72+130006.9

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