18218-1155 EGN  22AB

 
 
18h 21m 49.80s -11 55' 21.1" P.A. 141 sep 3.3 mag 7.95, Sp G5 dist. 42.74 pc (139.42 l.y.)
 
 
Coord 2000
18218-1155
Discov num
EGN  22
Comp
AB
Coord arcsec 2000
18 21 49.80 -11 55 21.1
Date first
2003
Date last
2005
Obs
2
Pa first
143
Pa last
141
P.A. Now (θ)
141°
Sep first
3.3
Sep last
3.3
Sep. Now (ρ)
3.3"
Mag pri
7.95
Mag sec
delta mag (ΔM)
Spectral class
G5 (yellow)
Pri motion ra
-022
Sec motion ra
Pri motion dec
-069
Sec motion dec
Notes
N U K (See Notes, Proper motion indicates non-physical, K-band or other infrared magnitudes)
This double is not physical.
 
 
18218-1155 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 161386 18218-1155 EGN 22 AB 2003 2005 2 141 3.3 7.95 <===
Show 161386 18218-1155 EGN 22 AC 2003 2005 2 47 3.7 7.95
Show 161386 18218-1155 EGN 22 AD 2005 2005 1 243 5.6 7.95
Show 161386 18218-1155 EGN 22 AE 2005 2005 1 354 5.9 7.95
Show 161386 18218-1155 EGN 22 AF 2003 2005 2 106 7.3 7.95
Show 161386 18218-1155 EGN 22 AG 1999 2005 4 290 8.5 7.95
Show 161386 18218-1155 EGN 22 AH 2005 2005 1 218 8.8 7.95
Show 161386 18218-1155 EGN 22 AI 2003 2005 2 132 8.9 7.95
Show 161386 18218-1155 EGN 22 AJ 1999 2005 3 294 10.4 7.95
Show 161386 18218-1155 EGN 22 AK 2005 2005 1 337 10.6 7.95
Show 161386 18218-1155 EGN 22 AL 2005 2005 1 310 12.2 7.95
Show 161386 18218-1155 EGN 22 AM 2005 2005 1 9 12.8 7.95
Show 161386 18218-1155 EGN 22 AN 2005 2005 1 334 12.9 7.95
Show 161386 18218-1155 EGN 22 AO 1999 2005 2 338 14.5 7.95
Show 161386 18218-1155 EGN 22 AP 1999 2005 2 293 19.6 7.95
Show 161386 18218-1155 EGN 22 AQ 1999 2005 2 309 23.5 7.95
Show 161386 18218-1155 EGN 22 AR 1999 2005 2 312 25.7 7.95
18-fold system
18 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
141
Precise sep
3.27
Constellation
Serpens
SAO
161386
HIP
90004
Tycho2
5685-02670-1
HD
168746
BD
BD-11 4606
Distance
42.74
Distance ly
139.42
last precise pa
141
last precise sep
3.27
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18218-1155 EGN 22 AB 2005 2 141 3.3 7.95   G5 NUD 182149.80-115521.1

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