19126+6740 BUP 186 AC (Altais)

19h 12m 33.15s +67° 39' 40.7" P.A. 21.00 sep 131.2 mag 3.07,12.00 Sp G9III dist. 29.87 pc (97.44 l.y.)

Coord 2000 19126+6740 Discov num BUP 186 Comp AC Coord arcsec 2000 19 12 33.15 +67 39 40.7
Date first 1879 Date last 2021 Obs 9
Pa first 28 Pa last 20.6 P.A. Now (θ) 20.6°
Sep first 155.1 Sep last 131.21 Sep. Now (ρ) 131.21"
Mag pri 3.07 Mag sec 12.00 delta mag (ΔM) 8.93 Spectral class G9III (yellow)
Pri motion ra +095 Sec motion ra -050
Pri motion dec +092 Sec motion dec -026
Notes N U (See Notes, Proper motion indicates non-physical)




rPM=1.414

This double is not physical.



19126+6740 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 18222 19 12 33 +67 39 41 BUP 186 AB 2021 12 341 80.4 3.17 12.58 9.41
Show Altais 18222 19 12 33 +67 39 41 BUP 186 AC 2021 9 21 131.2 3.07 12.00 8.93 <===


Triple system
3 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Common name Altais Constellation Draco SAO 18222 HIP 94376
Tycho2 4444-02239-1 Gaia DR2 2255173119656110336 HD 180711 HR 7310
GC 26520 BD BD+67 1129 Bayer Delta Draconis Bayer name Del Dra
Flamsteed 57 Draconis Flamsteed name 57 Dra FK5 723 Distance 29.87
Distance ly 97.44 Bayer greek δ Dra
Other names Aldib, Nodus Secundus, Nodus II
Meaning goat, second node