18498-7157 TDS 949AB

 
 
18h 49m 48.69s -71 57' 10.1" P.A. 130 sep 1 mag 11.48,11.88 Sp K0V(e)
 
 
Coord 2000
18498-7157
Discov num
TDS 949
Comp
AB
Coord arcsec 2000
18 49 48.69 -71 57 10.1
Date first
1991
Date last
2011
Obs
2
Pa first
130
Pa last
130
P.A. Now (θ)
130°
Sep first
0.9
Sep last
1.0
Sep. Now (ρ)
1"
Mag pri
11.48
Mag sec
11.88
delta mag (ΔM)
0.4
Spectral class
K0V(e) (yellow-orange)
Pri motion ra
+015
Sec motion ra
+015
Pri motion dec
-016
Sec motion dec
-016
Notes
Nature of this double is uncertain.
 
 
18498-7157 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18498-7157 TDS 949 AB 1991 2011 2 130 1.0 11.48 11.88 0.40 <===
Show 18498-7157 SKF1506 AB,C 1892 2015 9 306 19.9 11.48 11.81 0.33
Triple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
130
Precise sep
0.95
Constellation
Pavo
last precise pa
130
last precise sep
0.95
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18498-7157 TDS 949 AB 1991 1 130 0.9 11.48 11.88 184948.69-715710.1
18498-7157 TDS 949 AB 2011 2 130 1.0 11.48 11.88 K0V(e) 184948.69-715710.1

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