20196+4754 BLL  49 (U Cyg)

 
 
20h 19m 41.66s +47 54' 19.9" P.A. 231 sep 65.4 mag 7.97,8.98 Sp R8 dist. 312.5 pc (1019.38 l.y.)
 
 
Coord 2000
20196+4754
Discov num
BLL  49
Comp
Coord arcsec 2000
20 19 41.66 +47 54 19.9
Date first
1878
Date last
2015
Obs
27
Pa first
231
Pa last
231
P.A. Now (θ)
231°
Sep first
63.5
Sep last
65.4
Sep. Now (ρ)
65.4"
Mag pri
7.97
Mag sec
8.98
delta mag (ΔM)
1.01
Spectral class
R8 (deep red)
Pri motion ra
+015
Sec motion ra
+002
Pri motion dec
+007
Sec motion dec
+004
Notes
N (See Notes)
rPM=0.806
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
231.3
Precise sep
65.431
Other name
U Cyg
Constellation
Cygnus
SAO
49479
HIP
100230
Tycho2
3576-02095-1
Gaia DR2
57937445120
HD
193700
BD
BD+47 3078
Distance
312.5
Distance ly
1019.38
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20196+4754 BLL 49 2008 19 231 65.4 7.97 8.98 R8 N 201941.66+475419.9
20196+4754 BLL 49 2010 23 232 66.2 7.97 8.98 R8 N 201941.66+475419.9
20196+4754 BLL 49 2015 23 231 65.5 7.97 8.98 R8 N 201941.66+475419.9

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