18029-2750 B  2428AB

 
 
18h 02m 54.30s -27 49' 36.0" P.A. 42 sep 9.6 mag 6.90,13.00 Sp K4III dist. 1098.9 pc (3584.61 l.y.)
 
 
Coord 2000
18029-2750
Discov num
B  2428
Comp
AB
Coord arcsec 2000
18 02 54.30 -27 49 36.0
Date first
1913
Date last
1999
Obs
5
Pa first
23
Pa last
42
P.A. Now (θ)
42°
Sep first
9.2
Sep last
9.6
Sep. Now (ρ)
9.6"
Mag pri
6.90
Mag sec
13.00
delta mag (ΔM)
6.1
Spectral class
K4III (yellow-orange)
Pri motion ra
+001
Sec motion ra
+029
Pri motion dec
-003
Sec motion dec
-010
Notes
rPM=0.941
This double is not physical.
 
 
18029-2750 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 186161 18029-2750 HDS2541 Aa,Ab 1991 1991 1 212 0.2 6.90 9.37 2.47
Show 186161 18029-2750 B 2428 AB 1913 1999 5 42 9.6 6.90 13.00 6.10 <===
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
42.3
Precise sep
9.613
Constellation
Sagittarius
SAO
186161
HIP
88384
Tycho2
6850-03106-1
HD
164562
CD
CD-2712302
Distance
1098.9
Distance ly
3584.61
last precise pa
42.3
last precise sep
9.613
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18029-2750 B 2428 AB 1931 4 27 8.9 6.70 13.00 K4III 180254.30-274936.0
18029-2750 B 2428 AB 1999 5 42 9.6 6.70 13.00 K4III 180254.30-274936.0

If you need more information about this double, apply for a data request form to the WDS.