20155+0251 HJ  910AB

 
 
20h 15m 32.52s +02 50' 47.7" P.A. 305 sep 18.3 mag 6.86,12.60 Sp F5 dist. 169.49 pc (552.88 l.y.)
 
 
Coord 2000
20155+0251
Discov num
HJ  910
Comp
AB
Coord arcsec 2000
20 15 32.52 +02 50 47.7
Date first
1881
Date last
2015
Obs
7
Pa first
320
Pa last
305
P.A. Now (θ)
305°
Sep first
13.6
Sep last
18.3
Sep. Now (ρ)
18.3"
Mag pri
6.86
Mag sec
12.60
delta mag (ΔM)
5.74
Spectral class
F5 (yellow-white)
Pri motion ra
+051
Sec motion ra
Pri motion dec
-001
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20155+0251 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20155+0251 HJ 910 AB 1881 2015 7 305 18.3 6.86 12.60 5.74 <===
Show 20155+0251 HJ 910 AC 1827 2015 9 243 36.6 6.86 12.30 5.44
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
305.4
Precise sep
18.334
Constellation
Aquila
HIP
99856
Tycho2
0500-02664-1
Gaia DR2
52517343616
HD
192586
BD
BD+02 4124
Distance
169.49
Distance ly
552.88
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20155+0251 HJ 910 AB 1925 4 323 15.0 7.60 12.60 F5 D 201532.52+025047.7
20155+0251 HJ 910 AB 2000 5 307 17.9 7.60 12.60 F5 D 201532.52+025047.7
20155+0251 HJ 910 AB 2015 7 305 18.3 6.86 12.60 F5 201532.52+025047.7

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