18138-2104 HJ 2822AD

 
 
18H 13M 45.81S -21 03' 31.8" P.A. 312 SEP 48.2 MAG 3.85,9.96 SP B8IAPE DIST. 11111.11 PC (36244.44 L.Y.)
 
 
Coord 2000
18138-2104
Discov num
HJ 2822
Comp
AD
Coord arcsec 2000
18 13 45.81 -21 03 31.8
Date first
1830
Date last
2013
Obs
25
Pa first
314
Pa last
312
P.A. Now (θ)
312°
Sep first
45.0
Sep last
48.2
Sep. Now (ρ)
48.2"
Mag pri
3.85
Mag sec
9.96
delta mag (ΔM)
6.11
Spectral class
B8Iape (blue-white)
Pri motion ra
+000
Sec motion ra
+001
Pri motion dec
-001
Sec motion dec
-000
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
18138-2104 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Mu Sgr 186497 18138-2104 H 5 7 AB 1830 2013 20 258 16.9 3.85 10.48 6.63
Show 186497 18138-2104 BU 292 AC 1878 2008 10 119 25.5 3.85 12.80 8.95
Show 186497 18138-2104 HJ 2822 AD 1830 2013 25 312 48.2 3.85 9.96 6.11 <===
Show 186497 18138-2104 HJ 2822 AE 1830 2013 20 114 50.2 3.85 9.22 5.37
Show 186497 18138-2104 SLV 7 BD 1830 1998 12 331 40.9 10.48 9.96 0.52
Show 186497 18138-2104 SLV 7 BE 1879 1998 10 106 64.4 10.48 9.22 1.26
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sagittarius
SAO
186497
HIP
89341
Tycho2
6276-03093-1
HD
166937
HR
6812
GC
24856
BD
BD-21 4908
Bayer
Mu Sagittarii
Bayer name
Mu Sgr
Flamsteed
13 Sagittarii
Flamsteed name
13 Sgr
Distance
11111.11
Distance ly
36244.44
last precise pa
312.1
last precise sep
48.17