18570-0333 HJ  872AB,C

 
 
18h 56m 55.28s -03 33' 01.3" P.A. 53 sep 12.8 mag 10.33,12.19 Sp B
 
 
Coord 2000
18570-0333
Discov num
HJ  872
Comp
AB,C
Coord arcsec 2000
18 56 55.28 -03 33 01.3
Date first
1827
Date last
2015
Obs
7
Pa first
55
Pa last
53
P.A. Now (θ)
53°
Sep first
8.0
Sep last
12.8
Sep. Now (ρ)
12.8"
Mag pri
10.33
Mag sec
12.19
delta mag (ΔM)
1.86
Spectral class
B (blue-white)
Pri motion ra
+001
Sec motion ra
+000
Pri motion dec
-002
Sec motion dec
-006
Notes
rPM=0.687
Nature of this double is uncertain.
 
 
18570-0333 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18570-0333 RST4610 AB 1940 1996 5 46 0.4 10.90 11.06 0.16
Show 18570-0333 HJ 872 AB,C 1827 2015 7 53 12.8 10.33 12.19 1.86 <===
Triple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
52.6
Precise sep
12.82
Constellation
Aquila
Tycho2
5119-00814-1
last precise pa
52.6
last precise sep
12.82
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18570-0333 HJ 872 AB,C 1999 5 53 12.7 10.33 12.19 D 185655.28-033301.3
18570-0333 HJ 872 AB,C 2000 6 53 12.8 10.33 12.19 D 185655.28-033301.3
18570-0333 HJ 872 AB,C 2015 7 53 12.8 10.33 12.19 B 185655.28-033301.3

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