18559+2333 MET  87AB

 
 
18h 55m 53.22s +23 33' 23.9" P.A. 35 sep 2.7 mag 6.13,16.88 Sp K0V
 
 
Coord 2000
18559+2333
Discov num
MET  87
Comp
AB
Coord arcsec 2000
18 55 53.22 +23 33 23.9
Date first
2004
Date last
2012
Obs
5
Pa first
89
Pa last
35
P.A. Now (θ)
35°
Sep first
2.6
Sep last
2.7
Sep. Now (ρ)
2.7"
Mag pri
6.13
Mag sec
16.88
delta mag (ΔM)
10.75
Spectral class
K0V (yellow-orange)
Pri motion ra
+125
Sec motion ra
Pri motion dec
-291
Sec motion dec
Notes
K (K-band or other infrared magnitudes)
Nature of this double is uncertain.
 
 
18559+2333 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18559+2333 MET 87 AB 2004 2012 5 35 2.7 6.13 16.88 10.75 <===
Show 18559+2333 MET 87 AC 2004 2006 3 336 8.2 6.13 19.13 13.00
Show 18559+2333 MET 87 AD 2004 2006 3 202 9.0 6.13 17.34 11.21
Show 18559+2333 MET 87 AE 2004 2006 3 310 10.0 6.13 16.99 10.86
Show 18559+2333 ALP 32 AF 1997 2001 2 349 211.0 8.29 15.40 7.11
Show 18559+2333 AMM 9 AG 2006 2006 1 35 5.4 5.64 18.90 13.26
Show 18559+2333 AMM 9 AH 2006 2006 1 208 8.0 5.64 19.40 13.76
Show 18559+2333 AMM 9 AI 2006 2006 1 340 8.5 5.64 19.70 14.06
Show 18559+2333 AMM 9 AJ 2006 2006 1 16 9.4 5.64 20.00 14.36
Show 18559+2333 AMM 9 AK 2004 2006 2 108 9.3 5.64 18.90 13.26
Show 18559+2333 AMM 9 AL 2006 2006 1 258 12.0 5.64 19.50 13.86
Show 18559+2333 AMM 9 AM 2006 2006 1 12 16.5 5.64 18.50 12.86
Show 18559+2333 AMM 9 AN 2006 2006 1 335 18.9 5.64 19.90 14.26
Show 18559+2333 AMM 9 AO 2006 2006 1 27 19.5 5.64 18.00 12.36
15-fold system
15 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
35.3
Precise sep
2.747
Cdsa2 id
MET 87 AB
Constellation
Hercules
Ra deg
18.93145
De deg
23.55663888888889
last precise pa
35.3
last precise sep
2.747
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18559+2333 MET 87 AB 2004 1 89 2.6 8.09 19.00 K0 D 185553.14+233326.4
18559+2333 MET 87 AB 2012 3 35 2.7 6.13 16.88 K0V K 185553.14+233326.4

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