Coord 2000 | 13473+1727 | Discov num | PIN 9 | Comp | AC | Coord arcsec 2000 | 13 47 15.74 +17 27 24.8 | ||||
Date first | 1998 | Date last | 1998 | Obs | 1 | ||||||
Pa first | 187 | Pa last | 186.8 | P.A. Now (θ) | 186.8° | ||||||
Sep first | 42.6 | Sep last | 42.62 | Sep. Now (ρ) | 42.62" | ||||||
Mag pri | 3.51 | Mag sec | 14.33 | delta mag (ΔM) | 10.82 | Spectral class | F6IV+L? (yellow-white/very deep red) | ||||
Pri motion ra | -482 | Sec motion ra | |||||||||
Pri motion dec | +041 | Sec motion dec | |||||||||
Notes | N K (See Notes, K-band or other infrared magnitudes) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | Tau Boo | 100706 | 13 47 16 +17 27 25 | STT 270 AB | 2017 | 70 | 76 | 1.5 | 4.50 | 11.10 | 6.60 | Y | |
Show | 100706 | 13 47 16 +17 27 25 | PIN 9 AC | 1998 | 1 | 187 | 42.6 | 3.51 | 14.33 | 10.82 | <=== |
Var name | NSV6444 Boo | Constellation | Bootes | SAO | 100706 | HIP | 67275 | ||||
Tycho2 | 1460-00132-1 | HD | 120136 | HR | 5185 | GC | 18637 | ||||
ADS | 9025 | GL | Gl 527A | BD | BD+18 2782 | Bayer | Tau Bootis | ||||
Bayer name | Tau Boo | Flamsteed | 4 Bootis | Flamsteed name | 4 Boo | FK5 | 507 | ||||
Distance | 15.62 | Distance ly | 50.95 | Bayer greek | τ Boo |