19181-0525 HDS 2731 Ba,Bb

19h 18m 06.36s -05° 24' 54.1" P.A. 218.00 sep 1.1 mag 9.82,11.30

Coord 2000 19181-0525 Discov num HDS2731 Comp Ba,Bb Coord arcsec 2000 19 18 06.36 -05 24 54.1
Date first 1991 Date last 1991 Obs 2
Pa first 215 Pa last 217.9 P.A. Now (θ) 217.9°
Sep first 1.0 Sep last 1.07 Sep. Now (ρ) 1.07"
Mag pri 9.82 Mag sec 11.30 delta mag (ΔM) 1.48 Spectral class
Pri motion ra +004 Sec motion ra
Pri motion dec -017 Sec motion dec
Notes




Nature of this double is uncertain.



19181-0525 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 180785 143237 19 18 07 -05 25 24 HJ 881 AB 2015 17 340 32.0 7.83 9.81 1.98
Show 143237 19 18 07 -05 25 24 ABH 114 AD 2015 10 250 86.9 7.83 14.16 6.33
Show 143237 19 18 07 -05 25 24 HO 574 AE 2015 11 62 15.6 7.83 13.40 5.57
Show 19 18 06 -05 24 54 HDS 2731 Ba,Bb 1991 2 218 1.1 9.82 11.30 1.48 <===
Show 19 18 06 -05 24 54 HJ 881 BC 2015 13 307 7.4 9.82 10.50 0.68


Sextuple system
5 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Aquila Tycho2 5138-02112-1 Gaia DR2 4211368888631475200