19401+1801 J 121 AB

 
 
19h 40m 05.78s +18 00' 50.2" P.A. 180.00 sep 28.9 mag 4.37,13.20 Sp G1III dist. 130.38 pc (425.3 l.y.)
 
 
Coord 2000 19401+1801 Discov num J   121 Comp AB Coord arcsec 2000 19 40 05.78 +18 00 50.2
Date first 1910 Date last 2015 Obs 11
Pa first 200 Pa last 180 P.A. Now (θ) 180°
Sep first 20.0 Sep last 28.9 Sep. Now (ρ) 28.9"
Mag pri 4.37 Mag sec 13.20 delta mag (ΔM) 8.83 Spectral class G1III (yellow)
Pri motion ra +015 Sec motion ra +009
Pri motion dec -020 Sec motion dec +017
Notes N (See Notes)
rPM=1.499
This double is not physical.
 
 
19401+1801 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 105120 19 40 06 +18 00 50 J 121 AB 2015 11 180 28.9 4.37 13.20 8.83 <===
Show 105120 19 40 06 +18 00 50 J 121 AC 2013 5 244 35.4 4.37 14.90 10.53
Show Sham 105120 19 40 06 +18 00 50 WAL 118 AD 2013 7 148 82.6 4.37 11.21 6.84
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Common name Sham Constellation Sagitta SAO 105120 HIP 96757
Tycho2 1606-02341-1 Gaia DR2 1824277055360974720 HD 185758 HR 7479
GC 27215 ADS 12766 BD BD+17 4042 Bayer Alpha Sagittae
Bayer name Alp Sge Flamsteed 5 Sagittae Flamsteed name 5 Sge Distance 130.38
Distance ly 425.3 Bayer greek α Sge
Other names ALSAHM
Meaning United Arab Emirates proposal; named after Sharjah, the cultural capital and city of knowledge of the UAE.