18521-0716 BU 1465AB

 
 
18h 52m 07.93s -07 15' 30.9" P.A. 111 sep 13.6 mag 8.01,11.40 Sp B9
 
 
Coord 2000
18521-0716
Discov num
BU 1465
Comp
AB
Coord arcsec 2000
18 52 07.93 -07 15 30.9
Date first
1904
Date last
2015
Obs
4
Pa first
115
Pa last
111
P.A. Now (θ)
111°
Sep first
13.9
Sep last
13.6
Sep. Now (ρ)
13.6"
Mag pri
8.01
Mag sec
11.40
delta mag (ΔM)
3.39
Spectral class
B9 (blue-white)
Pri motion ra
+004
Sec motion ra
Pri motion dec
-009
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
18521-0716 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18521-0716 BU 1465 AB 1904 2015 4 111 13.6 8.01 11.40 3.39 <===
Show 18521-0716 STF2405 AC 1848 2015 14 303 25.5 8.01 10.79 2.78
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
110.9
Precise sep
13.627
Constellation
Scutum
Tycho2
5126-00384-1
Gaia DR2
64877046272
HD
174701
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18521-0716 BU 1465 AB 1999 2 112 13.6 8.01 11.40 B9 D 185207.93-071530.9
18521-0716 BU 1465 AB 2000 3 112 13.7 8.01 11.40 B9 D 185207.93-071530.9
18521-0716 BU 1465 AB 2010 4 111 13.2 8.01 11.40 B9 185207.93-071530.9
18521-0716 BU 1465 AB 2015 4 111 13.6 8.01 11.40 B9 185207.93-071530.9

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