18581+3813 FYM  27EI

 
 
18h 58m 01.90s +38 15' 58.3" P.A. 40 sep 48 mag 5.87,16.00 Sp B7IV
 
 
Coord 2000
18581+3813
Discov num
FYM  27
Comp
EI
Coord arcsec 2000
18 58 01.90 +38 15 58.3
Date first
1998
Date last
2012
Obs
3
Pa first
37
Pa last
40
P.A. Now (θ)
40°
Sep first
47.1
Sep last
48.0
Sep. Now (ρ)
48"
Mag pri
5.87
Mag sec
16.00
delta mag (ΔM)
10.13
Spectral class
B7IV (blue-white)
Pri motion ra
-005
Sec motion ra
Pri motion dec
+003
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
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
40
Precise sep
48
Constellation
Lyra
last precise pa
40
last precise sep
48
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18581+3813 FYM 27 EI 2012 3 40 48.0 5.87 16.00 B7IV N 185801.90+381558.3

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