20437+1800 LDS4857

 
 
20h 43m 39.02s +17 59' 53.4" P.A. 128 sep 52.4 mag 11.22,18.10
 
 
Coord 2000
20437+1800
Discov num
LDS4857
Comp
Coord arcsec 2000
20 43 39.02 +17 59 53.4
Date first
1960
Date last
2010
Obs
3
Pa first
131
Pa last
128
P.A. Now (θ)
128°
Sep first
54.0
Sep last
52.4
Sep. Now (ρ)
52.4"
Mag pri
11.22
Mag sec
18.10
delta mag (ΔM)
6.88
Spectral class
Pri motion ra
-066
Sec motion ra
Pri motion dec
-090
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
127.5
Precise sep
52.43
Constellation
Delphinus
Tycho2
1638-00579-1
HD
352908
last precise pa
127.5
last precise sep
52.43
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20437+1800 LDS4857 1997 2 129 52.8 11.22 18.10 D 204339.02+175953.4
20437+1800 LDS4857 2010 3 128 52.5 11.22 18.10 204339.02+175953.4

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