18549+4136 HO  270AB

 
 
18h 54m 52.18s +41 36' 09.8" P.A. 300 sep 8.4 mag 5.44,12.60 Sp K0III dist. 81.97 pc (267.39 l.y.)
 
 
Coord 2000
18549+4136
Discov num
HO  270
Comp
AB
Coord arcsec 2000
18 54 52.18 +41 36 09.8
Date first
1887
Date last
2013
Obs
5
Pa first
307
Pa last
300
P.A. Now (θ)
300°
Sep first
8.2
Sep last
8.4
Sep. Now (ρ)
8.4"
Mag pri
5.44
Mag sec
12.60
delta mag (ΔM)
7.16
Spectral class
K0III (yellow-orange)
Pri motion ra
+008
Sec motion ra
Pri motion dec
-007
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 47909 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
300.1
Precise sep
8.412
Constellation
Lyra
SAO
47909
HIP
92831
Tycho2
3127-02260-1
HD
175740
HR
7146
BD
BD+41 3177
Distance
81.97
Distance ly
267.39
last precise pa
300.1
last precise sep
8.412
 
 
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 AB 1934 4 303 8.7 5.44 12.60 K0III D 185452.18+413609.8
18549+4136 HO 270 AB 2013 5 300 8.4 5.44 12.60 K0III 185452.18+413609.8

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