20439+1255 J  1888

 
 
20h 43m 49.69s +12 53' 40.5" P.A. 158 sep 9.6 mag 12.00,13.90
 
 
Coord 2000
20439+1255
Discov num
J  1888
Comp
Coord arcsec 2000
20 43 49.69 +12 53 40.5
Date first
1941
Date last
2010
Obs
4
Pa first
160
Pa last
158
P.A. Now (θ)
158°
Sep first
6.0
Sep last
9.6
Sep. Now (ρ)
9.6"
Mag pri
12.00
Mag sec
13.90
delta mag (ΔM)
1.9
Spectral class
Pri motion ra
-005
Sec motion ra
+011
Pri motion dec
+011
Sec motion dec
-004
Notes
rPM=1.815
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
158.2
Precise sep
9.55
Constellation
Delphinus
last precise pa
158.2
last precise sep
9.55
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20439+1255 J 1888 1941 1 160 6.0 9.70 12.50 204306.67+125500.0
20439+1255 J 1888 2000 3 158 9.7 9.70 12.50 204349.69+125340.5
20439+1255 J 1888 2001 4 159 9.8 9.70 12.50 204349.69+125340.5
20439+1255 J 1888 2010 4 159 8.8 12.00 13.90 204349.69+125340.5

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