20349+3840 SEI1177

 
 
20h 34m 54.59s +38 39' 55.3" P.A. 139.00 sep 13.0 mag 11.78,12.80
 
 
Coord 2000
20349+3840
Discov num
SEI1177
Comp
Coord arcsec 2000
20 34 54.59 +38 39 55.3
Date first
1895
Date last
2015
Obs
10
Pa first
149
Pa last
139
P.A. Now (θ)
139°
Sep first
13.2
Sep last
13.0
Sep. Now (ρ)
13"
Mag pri
11.78
Mag sec
12.80
delta mag (ΔM)
1.02
Spectral class
Pri motion ra
-012
Sec motion ra
+004
Pri motion dec
-013
Sec motion dec
-004
Notes
rPM=1.038
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
138.7
Precise sep
12.963
Constellation
Cygnus
Tycho2
3153-00555-1
Gaia DR2
79504646144
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20349+3840 SEI1177 1998 3 140 13.0 11.78 12.80 D 203454.59+383955.3
20349+3840 SEI1177 2002 4 140 13.0 11.78 12.80 D 203454.59+383955.3
20349+3840 SEI1177 2010 5 139 12.2 11.78 12.80 203454.59+383955.3
20349+3840 SEI1177 2015 6 139 13.0 11.78 12.80 203454.59+383955.3

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