18549+4136 HO  270AC

 
 
18h 54m 52.18s +41 36' 09.8" P.A. 39 sep 24.1 mag 5.44,11.50 Sp K0III
 
 
Coord 2000
18549+4136
Discov num
HO  270
Comp
AC
Coord arcsec 2000
18 54 52.18 +41 36 09.8
Date first
1887
Date last
2014
Obs
10
Pa first
39
Pa last
39
P.A. Now (θ)
39°
Sep first
23.2
Sep last
24.1
Sep. Now (ρ)
24.1"
Mag pri
5.44
Mag sec
11.50
delta mag (ΔM)
6.06
Spectral class
K0III (yellow-orange)
Pri motion ra
-001
Sec motion ra
Pri motion dec
-003
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
18549+4136 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 47909 18549+4136 HO 270 AB 1887 2013 5 300 8.4 5.44 12.60 7.16
Show 18549+4136 HO 270 AC 1887 2014 10 39 24.1 5.44 11.50 6.06 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
38.8
Precise sep
24.095
Constellation
Lyra
last precise pa
38.8
last precise sep
24.095
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18549+4136 HO 270 AC 1999 6 39 23.9 5.44 11.50 K0III D 185452.18+413609.8
18549+4136 HO 270 AC 2003 7 38 24.4 5.44 11.50 K0III D 185452.18+413609.8
18549+4136 HO 270 AC 2013 8 40 23.4 5.44 11.50 K0III 185452.18+413609.8
18549+4136 HO 270 AC 2014 9 39 24.1 5.44 11.50 K0III 185452.18+413609.8

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