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
Cdsa2 id
CTT 11 AD
Constellation
Lyra
Ra deg
18.967847222222222
De deg
38.22222222222222
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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