19164+1433 STF 2489 AB (HD 180555)

19h 16m 26.78s +14° 32' 40.6" P.A. 347.00 sep 8.3 mag 5.67,9.30 Sp B9.5V dist. 125.63 pc (409.81 l.y.)

Coord 2000 19164+1433 Discov num STF2489 Comp AB Coord arcsec 2000 19 16 26.78 +14 32 40.6
Date first 1828 Date last 2013 Obs 32
Pa first 349 Pa last 347.4 P.A. Now (θ) 347.4°
Sep first 8.2 Sep last 8.29 Sep. Now (ρ) 8.29"
Mag pri 5.67 Mag sec 9.30 delta mag (ΔM) 3.63 Spectral class B9.5V (blue-white)
Pri motion ra +010 Sec motion ra +009
Pri motion dec +001 Sec motion dec +000
Notes




rPM=0.141 (< 0.3, Physical double)

This double is physical.



19164+1433 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 104668 19 16 27 +14 32 41 CHR 85 Aa,Ab 2021 14 20 0.0 5.90 7.40 1.50 Y
Show HD 180555 104668 19 16 27 +14 32 41 STF 2489 AB 2013 32 347 8.3 5.67 9.30 3.63 <===
Show 104668 19 16 27 +14 32 41 WAL 109 AC 2008 3 355 60.4 5.67 10.88 5.21


Quadruple system
3 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Name HD 180555 Constellation Aquila SAO 104668 HIP 94720
Tycho2 1053-00804-1 Gaia DR2 4320279260621065472 HD 180555 HR 7307
GC 26572 ADS 12248 BD BD+14 3852 Distance 125.63
Distance ly 409.81