18570-0333 HJ 872 AB,C

18h 56m 55.28s -03° 33' 01.3" P.A. 53.00 sep 12.8 mag 10.33,12.19 Sp B

Coord 2000 18570-0333 Discov num HJ  872 Comp AB,C Coord arcsec 2000 18 56 55.28 -03 33 01.3
Date first 1827 Date last 2015 Obs 10
Pa first 55 Pa last 52.6 P.A. Now (θ) 52.6°
Sep first 8.0 Sep last 12.82 Sep. Now (ρ) 12.82"
Mag pri 10.33 Mag sec 12.19 delta mag (ΔM) 1.86 Spectral class B (blue-white)
Pri motion ra +001 Sec motion ra +000
Pri motion dec -002 Sec motion dec -006
Notes




rPM=0.687

Nature of this double is uncertain.



18570-0333 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 18 56 55 -03 33 01 RST 4610 AB 2013 6 311 0.5 10.90 11.06 0.16
Show 18 56 55 -03 33 01 HJ 872 AB,C 2015 10 53 12.8 10.33 12.19 1.86 <===


Triple system
4 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Aquila Tycho2 5119-00814-1 Gaia DR2 4255574302637872000