15570+1726 HJ 2798 BC

15h 57m 02.14s +17° 27' 02.8" P.A. 30.00 sep 7.8 mag 11.09,10.70 Sp F5

Coord 2000 15570+1726 Discov num HJ 2798 Comp BC Coord arcsec 2000 15 57 02.14 +17 27 02.8
Date first 1831 Date last 2015 Obs 17
Pa first 35 Pa last 29.9 P.A. Now (θ) 29.9°
Sep first 6.0 Sep last 7.761 Sep. Now (ρ) 7.761"
Mag pri 11.09 Mag sec 10.70 delta mag (ΔM) 0.39 Spectral class F5 (yellow-white)
Pri motion ra -007 Sec motion ra +009
Pri motion dec +012 Sec motion dec +022
Notes




rPM=0.794

Nature of this double is uncertain.



15570+1726 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 15 57 03 +17 26 11 HJ 2798 AB 2015 17 353 52.3 9.79 11.09 1.30
Show 15 57 02 +17 27 03 HJ 2798 BC 2015 17 30 7.8 11.09 10.70 0.39 <===


Triple system
3 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Serpens Tycho2 1496-00626-1 Gaia DR2 1202514018803169280 ADS 9854
DM BD+17 2936