20344+3852 SEI1172

 
 
20h 34m 27.66s +38 51' 30.2" P.A. 149 sep 21.8 mag 10.20,10.50
 
 
Coord 2000
20344+3852
Discov num
SEI1172
Comp
Coord arcsec 2000
20 34 27.66 +38 51 30.2
Date first
1895
Date last
2015
Obs
11
Pa first
147
Pa last
149
P.A. Now (θ)
149°
Sep first
21.7
Sep last
21.8
Sep. Now (ρ)
21.8"
Mag pri
10.20
Mag sec
10.50
delta mag (ΔM)
0.3
Spectral class
Pri motion ra
+002
Sec motion ra
-002
Pri motion dec
-005
Sec motion dec
-006
Notes
rPM=0.652
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
148.7
Precise sep
21.818
Constellation
Cygnus
Gaia DR2
40666576384
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20344+3852 SEI1172 1998 4 149 21.8 10.20 10.50 D 203427.66+385130.2
20344+3852 SEI1172 2002 5 149 21.8 10.20 10.50 D 203427.66+385130.2
20344+3852 SEI1172 2010 6 149 21.8 10.20 10.50 203427.66+385130.2
20344+3852 SEI1172 2015 7 149 21.8 10.20 10.50 203427.66+385130.2

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