Coord 2000 | 17452+5157 | Discov num | STF2225 | Comp | CD | Coord arcsec 2000 | 17 44 47.57 +51 55 17.2 | ||||
Date first | 1830 | Date last | 2017 | Obs | 43 | ||||||
Pa first | 314 | Pa last | 295.7 | P.A. Now (θ) | 295.7° | ||||||
Sep first | 9.1 | Sep last | 8.735 | Sep. Now (ρ) | 8.735" | ||||||
Mag pri | 10.20 | Mag sec | 10.56 | delta mag (ΔM) | 0.36 | Spectral class | G5+K8 (yellow/yellow-orange) | ||||
Pri motion ra | +008 | Sec motion ra | -003 | ||||||||
Pri motion dec | +013 | Sec motion dec | -003 | ||||||||
Notes |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | HD 161865 | 30551 | 17 45 10 +51 56 56 | STF 2225 AB | 2015 | 21 | 339 | 5.5 | 9.00 | 11.90 | 2.90 | ||
Show | 30551 | 17 45 10 +51 56 56 | STF 2225 AC | 2015 | 22 | 245 | 230.2 | 9.00 | 10.20 | 1.20 | |||
Show | 17 44 48 +51 55 17 | STF 2225 CD | 2017 | 43 | 296 | 8.7 | 10.20 | 10.56 | 0.36 | <=== | |||
Show | 17 44 48 +51 55 17 | B 9005 CE | 2015 | 9 | 302 | 65.1 | 10.20 | 13.02 | 2.82 |
Constellation | Draco | Tycho2 | 3522-01395-1 | Gaia DR2 | 1368435236875696384 | HD | 234484 |