20084+3808 HJ  606

 
 
20h 08m 21.92s +38 08' 20.0" P.A. 229 sep 44 mag 7.98,8.12 Sp B9.5V dist. 689.66 pc (2249.67 l.y.)
 
 
Coord 2000
20084+3808
Discov num
HJ  606
Comp
Coord arcsec 2000
20 08 21.92 +38 08 20.0
Date first
1827
Date last
2017
Obs
28
Pa first
230
Pa last
229
P.A. Now (θ)
229°
Sep first
60.0
Sep last
44.0
Sep. Now (ρ)
44"
Mag pri
7.98
Mag sec
8.12
delta mag (ΔM)
0.14
Spectral class
B9.5V (blue-white)
Pri motion ra
+001
Sec motion ra
-004
Pri motion dec
-002
Sec motion dec
-006
Notes
N (See Notes)
rPM=0.888
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
228.5
Precise sep
44
Constellation
Cygnus
SAO
69487
HIP
99196
Tycho2
3150-00992-1
Gaia DR2
73430946304
HD
191424
BD
BD+37 3784
Distance
689.66
Distance ly
2249.67
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20084+3808 HJ 606 2003 17 228 44.4 7.98 8.12 B9.5V N D 200821.92+380820.0
20084+3808 HJ 606 2010 20 228 44.2 7.98 8.12 B9.5V N 200821.92+380820.0
20084+3808 HJ 606 2016 21 228 44.3 7.98 8.12 B9.5V N 200821.92+380820.0
20084+3808 HJ 606 2017 24 229 44.0 7.98 8.12 B9.5V N 200821.92+380820.0

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