18581+3813 SP    2BE

 
 
18h 58m 08.22s +38 13' 47.6" P.A. 330 sep 150.2 mag 9.93,5.87 Sp K0
 
 
Coord 2000
18581+3813
Discov num
SP    2
Comp
BE
Coord arcsec 2000
18 58 08.22 +38 13 47.6
Date first
1883
Date last
2014
Obs
14
Pa first
333
Pa last
330
P.A. Now (θ)
330°
Sep first
151.0
Sep last
150.2
Sep. Now (ρ)
150.2"
Mag pri
9.93
Mag sec
5.87
delta mag (ΔM)
4.06
Spectral class
K0 (yellow-orange)
Pri motion ra
+044
Sec motion ra
-005
Pri motion dec
+030
Sec motion dec
+003
Notes
N (See Notes)
rPM=1.051
This double is not physical.
 
 
18581+3813 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18581+3813 STF2427 AB 1828 2014 37 60 55.0 9.61 9.93 0.32
Show 18581+3813 STF2427 AC 1891 2014 19 62 61.7 9.61 10.20 0.59
Show 18581+3813 CTT 11 AD 1930 2012 9 291 56.4 9.61 11.80 2.19
Show 18581+3813 SP 2 AE 1911 2014 18 350 160.2 9.61 5.87 3.74
Show 18581+3813 STF2427 BC 1828 2014 41 79 7.1 9.93 10.20 0.27
Show 18581+3813 SP 2 BE 1883 2014 14 330 150.2 9.93 5.87 4.06 <===
Show 18581+3813 SMR 14 EF 1930 2012 9 333 83.3 5.87 11.26 5.39
Show 18581+3813 FYM 27 EG 1998 2012 3 206 31.2 5.87 14.60 8.73
Show 18581+3813 FYM 27 EH 1998 2012 3 223 71.3 5.87 13.70 7.83
Show 18581+3813 FYM 27 EI 1998 2012 3 40 48.0 5.87 16.00 10.13
Ninefold system
9 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
329.9
Precise sep
150.2
Cdsa2 id
SP 2 BE
Constellation
Lyra
Ra deg
18.96895
De deg
38.229888888888894
last precise pa
329.9
last precise sep
150.2
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18581+3813 SP 2 BE 2004 11 330 150.0 9.93 5.87 D 185808.23+381347.6
18581+3813 SP 2 BE 2012 14 330 150.0 9.93 5.87 K0 N 185808.23+381347.6
18581+3813 SP 2 BE 2014 14 330 150.2 9.93 5.87 K0 N 185808.23+381347.6

If you need more information about this double, apply for a data request form to the WDS.