17377+7102 HEI 863 AB

17h 37m 41.73s +71° 01' 50.5" P.A. 9.00 sep 4.1 mag 11.81,12.80

Coord 2000 17377+7102 Discov num HEI 863 Comp AB Coord arcsec 2000 17 37 41.73 +71 01 50.5
Date first 1990 Date last 2015 Obs 4
Pa first 8 Pa last 9.4 P.A. Now (θ) 9.4°
Sep first 3.8 Sep last 4.101 Sep. Now (ρ) 4.101"
Mag pri 11.81 Mag sec 12.80 delta mag (ΔM) 0.99 Spectral class
Pri motion ra +002 Sec motion ra
Pri motion dec -017 Sec motion dec
Notes




Nature of this double is uncertain.



17377+7102 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 17 37 42 +71 01 50 HEI 863 AB 2015 4 9 4.1 11.81 12.80 0.99 <===
Show 17 37 42 +71 01 50 HEI 863 AC 2015 4 84 4.9 11.81 12.30 0.49


Triple system
3 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Draco Tycho2 4432-00955-1 Gaia DR2 1639127852808137856