20172+1553 BKO 560BC

 
 
20h 17m 11.63s +15 52' 19.8" P.A. 199 sep 1.4 mag 13.40,15.40 dist. 287.36 pc (937.37 l.y.)
 
 
Coord 2000
20172+1553
Discov num
BKO 560
Comp
BC
Coord arcsec 2000
20 17 11.63 +15 52 19.8
Date first
2008
Date last
2008
Obs
1
Pa first
199
Pa last
199
P.A. Now (θ)
199°
Sep first
1.4
Sep last
1.4
Sep. Now (ρ)
1.4"
Mag pri
13.40
Mag sec
15.40
delta mag (ΔM)
2
Spectral class
Pri motion ra
-001
Sec motion ra
Pri motion dec
-053
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
20172+1553 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20172+1553 CHE 273 AB 1910 2015 7 94 26.8 7.48 13.40 5.92
Show 20172+1553 BKO 560 BC 2008 2008 1 199 1.4 13.40 15.40 2.00 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
198.7
Precise sep
1.44
Spectr
B9
Constellation
Delphinus
SAO
105926
HIP
99995
Tycho2
1631-00005-1
Gaia DR2
16511040768
HD
192954
BD
BD+15 4120
Distance
287.36
Distance ly
937.37
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20172+1553 BKO 560 BC 2008 1 199 1.4 13.40 15.40 N 201711.63+155219.8

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