18585+2515 A  2990AB

 
 
18h 58m 31.54s +25 14' 55.3" P.A. 140 sep 2.6 mag 7.90,14.50 Sp K5 dist. 1020.41 pc (3328.58 l.y.)
 
 
Coord 2000
18585+2515
Discov num
A  2990
Comp
AB
Coord arcsec 2000
18 58 31.54 +25 14 55.3
Date first
1916
Date last
1927
Obs
3
Pa first
139
Pa last
140
P.A. Now (θ)
140°
Sep first
2.9
Sep last
2.6
Sep. Now (ρ)
2.6"
Mag pri
7.90
Mag sec
14.50
delta mag (ΔM)
6.6
Spectral class
K5 (yellow-orange)
Pri motion ra
-003
Sec motion ra
Pri motion dec
+001
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
18585+2515 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 86648 18585+2515 A 2990 AB 1916 1927 3 140 2.6 7.90 14.50 6.60 <===
Show 86648 18585+2515 A 2990 AC 1916 2002 3 42 13.7 7.80 14.00 6.20
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
140
Precise sep
2.64
Constellation
Vulpecula
SAO
86648
HIP
93157
Tycho2
2113-02457-1
HD
176284
BD
BD+25 3683
Distance
1020.41
Distance ly
3328.58
last precise pa
140
last precise sep
2.64
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18585+2515 A 2990 AB 1927 3 140 2.6 7.90 14.50 K5 185831.54+251455.3

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