Coord 2000 | 13407+1957 | Discov num | STF1772 | Comp | AD | Coord arcsec 2000 | 13 40 40.50 +19 57 20.4 | ||||
Date first | 1865 | Date last | 2020 | Obs | 22 | ||||||
Pa first | 2 | Pa last | 1.3 | P.A. Now (θ) | 1.3° | ||||||
Sep first | 207.2 | Sep last | 208.66 | Sep. Now (ρ) | 208.66" | ||||||
Mag pri | 5.76 | Mag sec | 7.38 | delta mag (ΔM) | 1.62 | Spectral class | A1V (white) | ||||
Pri motion ra | -047 | Sec motion ra | -049 | ||||||||
Pri motion dec | +023 | Sec motion dec | +024 | ||||||||
Notes | N Z (See Notes, Parallax indicates components are physical) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 1 Boo | 82942 | 13 40 40 +19 57 20 | STF 1772 AB | 2019 | 127 | 133 | 4.4 | 5.76 | 9.60 | 3.84 | ||
Show | 82942 | 13 40 40 +19 57 20 | STF 1772 AC | 2020 | 11 | 26 | 86.7 | 5.76 | 12.23 | 6.47 | |||
Show | 82942 | 13 40 40 +19 57 20 | STF 1772 AD | 2020 | 22 | 1 | 208.7 | 5.76 | 7.38 | 1.62 | <=== |
Constellation | Bootes | SAO | 82942 | HIP | 66727 | Tycho2 | 1462-00202-1 | ||||
Gaia DR2 | 1249218214732128640 | HD | 119082 | HR | 5144 | GC | 18487 | ||||
ADS | 8991 | BD | BD+20 2859 | Flamsteed | 1 Bootis | Flamsteed name | 1 Boo | ||||
Distance | 100.6 | Distance ly | 328.16 |