19500+1702 HU 349 AC

 
 
19h 49m 58.74s +17 01' 41.9" P.A. 28.00 sep 57.7 mag 9.00,12.80 Sp B9
 
 
Coord 2000 19500+1702 Discov num HU  349 Comp AC Coord arcsec 2000 19 49 58.74 +17 01 41.9
Date first 1915 Date last 2015 Obs 6
Pa first 30 Pa last 28.2 P.A. Now (θ) 28.2°
Sep first 57.8 Sep last 57.686 Sep. Now (ρ) 57.686"
Mag pri 9.00 Mag sec 12.80 delta mag (ΔM) 3.8 Spectral class B9 (blue-white)
Pri motion ra +002 Sec motion ra +003
Pri motion dec -003 Sec motion dec +038
Notes
rPM=1.076
This double is not physical.
 
 
19500+1702 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 105322 19 49 59 +17 01 42 HU 349 AB 2000 9 237 2.4 9.00 13.40 4.40
Show 105322 19 49 59 +17 01 42 HU 349 AC 2015 6 28 57.7 9.00 12.80 3.80 <===
Show 19 50 01 +17 02 32 J 1107 CD 2015 5 196 3.1 12.80 13.50 0.70
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagitta SAO 105322 Tycho2 1619-01184-1 Gaia DR2 1820827127170670208
HD 187549 DM BD+16 4023