20441+1258 J  1889

 
 
20h 44m 04.07s +12 31' 48.8" P.A. 13 sep 4.5 mag 14.40,15.40
 
 
Coord 2000
20441+1258
Discov num
J  1889
Comp
Coord arcsec 2000
20 44 04.07 +12 31 48.8
Date first
1941
Date last
2010
Obs
4
Pa first
40
Pa last
13
P.A. Now (θ)
13°
Sep first
5.0
Sep last
4.5
Sep. Now (ρ)
4.5"
Mag pri
14.40
Mag sec
15.40
delta mag (ΔM)
1
Spectral class
Pri motion ra
+020
Sec motion ra
+011
Pri motion dec
+009
Sec motion dec
+042
Notes
I (Identification uncertain)
rPM=0.788
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
13.1
Precise sep
4.46
Constellation
Delphinus
last precise pa
13.1
last precise sep
4.46
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20441+1258 J 1889 1941 1 40 5.0 10.30 10.30 204460.00+125800.0
20441+1258 J 1889 1998 2 15 5.2 14.30 14.30 I 204404.07+123148.8
20441+1258 J 1889 2001 3 15 4.8 14.30 14.30 I 204404.07+123148.8
20441+1258 J 1889 2010 4 13 4.5 14.40 15.40 I 204404.07+123148.8

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