20152+5409 HO  455AD

 
 
20h 15m 13.60s +54 08' 47.6" P.A. 263 sep 31.4 mag 7.46,11.07 Sp M0 dist. 420.17 pc (1370.59 l.y.)
 
 
Coord 2000
20152+5409
Discov num
HO  455
Comp
AD
Coord arcsec 2000
20 15 13.60 +54 08 47.6
Date first
1889
Date last
2015
Obs
13
Pa first
256
Pa last
263
P.A. Now (θ)
263°
Sep first
32.3
Sep last
31.4
Sep. Now (ρ)
31.4"
Mag pri
7.46
Mag sec
11.07
delta mag (ΔM)
3.61
Spectral class
M0 (red)
Pri motion ra
-013
Sec motion ra
-004
Pri motion dec
-032
Sec motion dec
+002
Notes
N (See Notes)
rPM=1.018
This double is not physical.
 
 
20152+5409 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20152+5409 HO 455 AB 1889 2015 8 83 35.1 7.46 12.00 4.54
Show 20152+5409 HO 455 AD 1889 2015 13 263 31.4 7.46 11.07 3.61 <===
Show 20152+5409 HO 455 AE 1889 2015 15 71 39.6 7.46 10.44 2.98
Show 20152+5409 HO 455 BC 1889 2009 6 181 3.6 12.00 12.50 0.50
Show 20152+5409 HO 455 BE 1904 2015 9 30 5.6 12.00 10.44 1.56
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
263.1
Precise sep
31.425
Constellation
Cygnus
SAO
32392
HIP
99822
Tycho2
3937-00865-1
Gaia DR2
42102501504
HD
192967
BD
BD+53 2374
Distance
420.17
Distance ly
1370.59
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20152+5409 HO 455 AD 1999 10 263 31.7 7.46 11.07 M0 D 201513.60+540847.6
20152+5409 HO 455 AD 2009 11 263 31.0 7.46 11.07 M0 D 201513.60+540847.6
20152+5409 HO 455 AD 2015 13 263 31.4 7.46 11.07 M0 N 201513.60+540847.6

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