20104+4949 STF2648

 
 
20h 10m 23.11s +49 49' 16.1" P.A. 117 sep 6.9 mag 8.11,9.59 Sp F5 dist. 91.91 pc (299.81 l.y.)
 
 
Coord 2000
20104+4949
Discov num
STF2648
Comp
Coord arcsec 2000
20 10 23.11 +49 49 16.1
Date first
1828
Date last
2018
Obs
34
Pa first
117
Pa last
117
P.A. Now (θ)
117°
Sep first
5.0
Sep last
6.9
Sep. Now (ρ)
6.9"
Mag pri
8.11
Mag sec
9.59
delta mag (ΔM)
1.48
Spectral class
F5 (yellow-white)
Pri motion ra
+010
Sec motion ra
+010
Pri motion dec
+043
Sec motion dec
+042
Notes
rPM=0.023 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
117.2
Precise sep
6.862
Constellation
Cygnus
SAO
49271
HIP
99388
Tycho2
3567-01155-1
Gaia DR2
20176419072
HD
191974
BD
BD+49 3212
Distance
91.91
Distance ly
299.81
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20104+4949 STF2648 2008 24 117 6.8 8.11 9.59 F5 D 201023.11+494916.1
20104+4949 STF2648 2018 29 118 6.7 8.11 9.59 F5 201023.11+494916.1

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