20246+4842 ES 2694

 
 
20h 24m 35.32s +48 41' 34.1" P.A. 321.00 sep 11.9 mag 7.71,10.20 Sp B7V dist. 166.39 pc (542.76 l.y.)
 
 
Coord 2000
20246+4842
Discov num
ES 2694
Comp
Coord arcsec 2000
20 24 35.32 +48 41 34.1
Date first
1911
Date last
2015
Obs
11
Pa first
321
Pa last
321
P.A. Now (θ)
321°
Sep first
11.4
Sep last
11.9
Sep. Now (ρ)
11.9"
Mag pri
7.71
Mag sec
10.20
delta mag (ΔM)
2.49
Spectral class
B7V (blue-white)
Pri motion ra
+002
Sec motion ra
Pri motion dec
+003
Sec motion dec
Notes
N (See Notes)
Visually invisible, K-band or other infrared star Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
320.7
Precise sep
11.935
Constellation
Cygnus
SAO
49590
HIP
100657
Tycho2
3576-00347-1
Gaia DR2
09634275840
HD
194614
BD
BD+48 3117
Distance
166.39
Distance ly
542.76
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20246+4842 ES 2694 2003 4 320 12.0 7.71 10.20 B7V N D 202435.32+484134.1
20246+4842 ES 2694 2010 6 321 11.9 7.71 10.20 B7V N 202435.32+484134.1
20246+4842 ES 2694 2015 7 321 11.9 7.71 10.20 B7V N 202435.32+484134.1

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