20040+3847 ALI 914

 
 
20h 04m 01.01s +38 46' 40.2" P.A. 230 sep 14.8 mag 12.03,12.23
 
 
Coord 2000
20040+3847
Discov num
ALI 914
Comp
Coord arcsec 2000
20 04 01.01 +38 46 40.2
Date first
1928
Date last
2015
Obs
10
Pa first
227
Pa last
230
P.A. Now (θ)
230°
Sep first
16.1
Sep last
14.8
Sep. Now (ρ)
14.8"
Mag pri
12.03
Mag sec
12.23
delta mag (ΔM)
0.2
Spectral class
Pri motion ra
-016
Sec motion ra
-014
Pri motion dec
-021
Sec motion dec
-003
Notes
rPM=0.686
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
230.3
Precise sep
14.763
Constellation
Cygnus
Tycho2
3150-03095-1
Gaia DR2
49961539712
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20040+3847 ALI 914 1929 3 227 16.5 12.03 12.60 200401.01+384640.2
20040+3847 ALI 914 1998 4 228 15.3 12.03 12.60 200401.01+384640.2
20040+3847 ALI 914 2002 5 230 15.0 12.03 12.60 200401.01+384640.2
20040+3847 ALI 914 2010 6 227 15.4 12.03 12.23 200401.01+384640.2
20040+3847 ALI 914 2015 6 230 14.8 12.03 12.23 200401.01+384640.2

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