18487-0600 STF2391BC

 
 
18h 48m 38.30s -05 59' 42.1" P.A. 124 sep 14.4 mag 9.59,14.30 Sp G2
 
 
Coord 2000
18487-0600
Discov num
STF2391
Comp
BC
Coord arcsec 2000
18 48 38.30 -05 59 42.1
Date first
1907
Date last
2016
Obs
4
Pa first
107
Pa last
124
P.A. Now (θ)
124°
Sep first
12.6
Sep last
14.4
Sep. Now (ρ)
14.4"
Mag pri
9.59
Mag sec
14.30
delta mag (ΔM)
4.71
Spectral class
G2 (yellow)
Pri motion ra
+011
Sec motion ra
Pri motion dec
+033
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
18487-0600 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18487-0600 STF2391 AB 1829 2016 31 332 37.7 6.52 9.59 3.07
Show 18487-0600 STF2391 BC 1907 2016 4 124 14.4 9.59 14.30 4.71 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
124.3
Precise sep
14.37
Constellation
Scutum
last precise pa
124.3
last precise sep
14.37
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18487-0600 STF2391 BC 1999 2 121 14.0 9.59 14.30 G2 D 184838.30-055942.1
18487-0600 STF2391 BC 2000 3 121 14.0 9.59 14.30 G2 N D 184838.30-055942.1
18487-0600 STF2391 BC 2016 4 124 14.4 9.59 14.30 G2 N 184838.30-055942.1

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