18182-3227 I 1021 AB (HD 167798)

 
 
18h 18m 14.16s -32° 27' 30.1" P.A. 274.00 sep 3.4 mag 10.01,10.10 Sp A0III
 
 
Coord 2000 18182-3227 Discov num I  1021 Comp AB Coord arcsec 2000 18 18 14.16 -32 27 30.1
Date first 1910 Date last 2015 Obs 10
Pa first 285 Pa last 273.5 P.A. Now (θ) 273.5°
Sep first 2.8 Sep last 3.363 Sep. Now (ρ) 3.363"
Mag pri 10.01 Mag sec 10.10 delta mag (ΔM) 0.09 Spectral class A0III (white)
Pri motion ra +040 Sec motion ra -057
Pri motion dec -010 Sec motion dec +022
Notes
rPM=1.672
This double is not physical.
 
 
18182-3227 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 167798 209972 18 18 14 -32 27 30 I 1021 AB 2015 10 274 3.4 10.01 10.10 0.09 <===
Show 209972 18 18 14 -32 27 30 B 9033 A,CD 1999 4 359 33.4 10.01 12.70 2.69
Show 18 18 14 -32 26 57 B 9033 CD 2000 0 135 -1.0 12.70 12.70 0.00
Quadruple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 167798 Constellation Sagittarius SAO 209972 Tycho2 7397-01049-1
Gaia DR2 4045604591569367552 HD 167798