20156+1526 HDS2887AB

 
 
20h 15m 33.68s +15 26' 12.9" P.A. 244.00 sep 4.7 mag 8.85,13.18 Sp A0p... dist. 699.3 pc (2281.12 l.y.)
 
 
Coord 2000
20156+1526
Discov num
HDS2887
Comp
AB
Coord arcsec 2000
20 15 33.68 +15 26 12.9
Date first
1991
Date last
1991
Obs
2
Pa first
244
Pa last
244
P.A. Now (θ)
244°
Sep first
4.7
Sep last
4.7
Sep. Now (ρ)
4.7"
Mag pri
8.85
Mag sec
13.18
delta mag (ΔM)
4.33
Spectral class
A0p... (white)
Pri motion ra
-001
Sec motion ra
-001
Pri motion dec
-011
Sec motion dec
-011
Notes
Nature of this double is uncertain.
 
 
20156+1526 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 105902 20156+1526 HDS2887 AB 1991 1991 2 244 4.7 8.85 13.18 4.33 <===
Show 105902 20156+1526 CHE 246 AC 1910 2016 11 87 15.9 8.85 11.00 2.15
Show 105902 20156+1526 CVP 1 AD 1998 2016 8 340 39.7 8.85 12.75 3.90
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
243.8
Precise sep
4.72
Constellation
Delphinus
SAO
105902
HIP
99857
Tycho2
1618-01698-1
Gaia DR2
44571397760
HD
192686
BD
BD+14 4240
Distance
699.3
Distance ly
2281.12
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20156+1526 HDS2887 AB 1991 2 244 4.7 8.85 13.18 A0p... 201533.68+152612.9

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