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
Cdsa2 id
EGN 22 AB
Constellation
Serpens
SAO
161386
HIP
90004
Tycho2
5685-02670-1
HD
168746
BD
BD-11 4606
Ra deg
18.363833333333336
De deg
-11.922527777777777
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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