20344+3725 SEI1171

 
 
20h 34m 23.58s +37 24' 59.1" P.A. 201 sep 17.4 mag 10.85,12.19
 
 
Coord 2000
20344+3725
Discov num
SEI1171
Comp
Coord arcsec 2000
20 34 23.58 +37 24 59.1
Date first
1895
Date last
2015
Obs
15
Pa first
202
Pa last
201
P.A. Now (θ)
201°
Sep first
17.7
Sep last
17.4
Sep. Now (ρ)
17.4"
Mag pri
10.85
Mag sec
12.19
delta mag (ΔM)
1.34
Spectral class
Pri motion ra
-003
Sec motion ra
-003
Pri motion dec
-007
Sec motion dec
-004
Notes
rPM=0.394
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
200.6
Precise sep
17.388
Constellation
Cygnus
Tycho2
2698-00193-1
Gaia DR2
49565158912
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20344+3725 SEI1171 1998 8 201 17.5 10.85 12.19 D 203423.58+372459.1
20344+3725 SEI1171 2002 9 201 17.4 10.85 12.19 D 203423.58+372459.1
20344+3725 SEI1171 2010 10 201 17.2 10.85 12.19 203423.58+372459.1
20344+3725 SEI1171 2015 11 201 17.4 10.85 12.19 203423.58+372459.1

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