18581+3813 CTT  11AD

 
 
18h 58m 04.25s +38 13' 20.0" P.A. 291 sep 56.4 mag 9.61,11.80 Sp K0
 
 
Coord 2000
18581+3813
Discov num
CTT  11
Comp
AD
Coord arcsec 2000
18 58 04.25 +38 13 20.0
Date first
1930
Date last
2012
Obs
9
Pa first
290
Pa last
291
P.A. Now (θ)
291°
Sep first
56.3
Sep last
56.4
Sep. Now (ρ)
56.4"
Mag pri
9.61
Mag sec
11.80
delta mag (ΔM)
2.19
Spectral class
K0 (yellow-orange)
Pri motion ra
-002
Sec motion ra
-006
Pri motion dec
-009
Sec motion dec
-002
Notes
N (See Notes)
rPM=0.874
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
290.5
Precise sep
56.44
Constellation
Lyra
last precise pa
290.5
last precise sep
56.44
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18581+3813 CTT 11 AD 2002 4 290 56.8 9.61 11.80 D 185804.25+381320.0
18581+3813 CTT 11 AD 2009 5 291 55.4 9.61 11.80 N D 185804.25+381320.0
18581+3813 CTT 11 AD 2010 6 290 56.6 9.61 11.80 N D 185804.25+381320.0
18581+3813 CTT 11 AD 2012 9 291 56.4 9.61 11.80 N 185804.25+381320.0

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