18189-1348 HDS 2590 AB

 
 
18h 18m 56.19s -13° 48' 31.1" P.A. 353.00 sep 2.1 mag 9.05,12.90 Sp O8V dist. 427.35 pc (1394.02 l.y.)
 
 
Coord 2000 18189-1348 Discov num HDS2590 Comp AB Coord arcsec 2000 18 18 56.19 -13 48 31.1
Date first 1991 Date last 2016 Obs 3
Pa first 352 Pa last 352.7 P.A. Now (θ) 352.7°
Sep first 2.0 Sep last 2.098 Sep. Now (ρ) 2.098"
Mag pri 9.05 Mag sec 12.90 delta mag (ΔM) 3.85 Spectral class O8V (blue)
Pri motion ra +003 Sec motion ra -003
Pri motion dec +000 Sec motion dec +001
Notes N (See Notes)
rPM=1.924
This double is not physical.
 
 
18189-1348 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 168137 161316 18 18 56 -13 48 31 SNA 91 Aa,Ab 2016 12 212 0.0 8.30 8.60 0.30 Y
Show 161316 18 18 56 -13 48 31 HDS 2590 AB 2016 3 353 2.1 9.05 12.90 3.85 <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Serpens SAO 161316 HIP 89750 Tycho2 5689-01097-1
Gaia DR2 4146599682284818176 HD 168137 BD BD-13 4932 Distance 427.35
Distance ly 1394.02