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
 
 
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 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
Cdsa2 id
HO 270 AB
Constellation
Lyra
SAO
47909
HD
175740
HR
7146
Ra deg
18.914494444444443
De deg
41.602722222222226
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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