18151-2503 B  2860A,BC

 
 
18h 15m 06.34s -25 03' 17.4" P.A. 52 sep 26.4 mag 9.07,10.66 Sp A8/9V
 
 
Coord 2000
18151-2503
Discov num
B  2860
Comp
A,BC
Coord arcsec 2000
18 15 06.34 -25 03 17.4
Date first
1911
Date last
2000
Obs
6
Pa first
53
Pa last
52
P.A. Now (θ)
52°
Sep first
28.4
Sep last
26.4
Sep. Now (ρ)
26.4"
Mag pri
9.07
Mag sec
10.66
delta mag (ΔM)
1.59
Spectral class
A8/9V (white)
Pri motion ra
+004
Sec motion ra
+001
Pri motion dec
-012
Sec motion dec
-021
Notes
rPM=0.451
Nature of this double is uncertain.
 
 
18151-2503 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 186533 18151-2503 B 2860 A,BC 1911 2000 6 52 26.4 9.07 10.66 1.59 <===
Show 186533 18151-2503 B 2860 BC 1930 1930 0 2.0 11.50 11.50 0.00
Triple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
52
Precise sep
26.42
Constellation
Sagittarius
SAO
186533
Tycho2
6847-01203-1
HD
167174
last precise pa
52
last precise sep
26.42
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18151-2503 B 2860 A,BC 2000 3 52 26.4 9.07 10.66 A8/9V D 181506.34-250317.4

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