18560+4414 STT 365AB

 
 
18h 55m 57.14s +44 13' 41.9" P.A. 288 sep 0.4 mag 7.20,8.30 Sp A2
 
 
Coord 2000
18560+4414
Discov num
STT 365
Comp
AB
Coord arcsec 2000
18 55 57.14 +44 13 41.9
Date first
1841
Date last
1882
Obs
7
Pa first
169
Pa last
288
P.A. Now (θ)
288°
Sep first
0.5
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
7.20
Mag sec
8.30
delta mag (ΔM)
1.1
Spectral class
A2 (white)
Pri motion ra
+017
Sec motion ra
Pri motion dec
+027
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
18560+4414 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18560+4414 STT 365 AB 1841 1882 7 288 0.4 7.20 8.30 1.10 <===
Show 18560+4414 STF3130 AB,C 1833 2010 23 258 2.7 6.97 10.52 3.55
Show 18560+4414 STF3130 AB,D 1880 2003 6 310 181.2 6.97 12.01 5.04
Quadruple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
287.7
Precise sep
0.35
Constellation
Lyra
last precise pa
287.7
last precise sep
0.35
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18560+4414 STT 365 AB 1882 7 288 0.4 7.20 8.30 A2 N 185557.14+441341.9

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