Coord 2000 | 17146+1423 | Discov num | AGC 16 | Comp | AC | Coord arcsec 2000 | 17 14 38.86 +14 23 24.9 | ||||
Date first | 1888 | Date last | 2020 | Obs | 10 | ||||||
Pa first | 336 | Pa last | 295.7 | P.A. Now (θ) | 295.7° | ||||||
Sep first | 23.5 | Sep last | 16.56 | Sep. Now (ρ) | 16.56" | ||||||
Mag pri | 3.48 | Mag sec | 15.50 | delta mag (ΔM) | 12.02 | Spectral class | M5Ib-II (red) | ||||
Pri motion ra | -017 | Sec motion ra | |||||||||
Pri motion dec | +047 | Sec motion dec | |||||||||
Notes | N U (See Notes, Proper motion indicates non-physical) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 102680 | 17 14 39 +14 23 25 | CHR 139 Aa,Ab | 1991 | 3 | 231 | 0.2 | 3.48 | |||||
Show | Rasalgethi | 102680 | 17 14 39 +14 23 25 | STF 2140 AB | 2020 | 513 | 103 | 4.7 | 3.48 | 5.40 | 1.92 | Y | |
Show | 102680 | 17 14 39 +14 23 25 | AGC 16 AC | 2020 | 10 | 296 | 16.6 | 3.48 | 15.50 | 12.02 | <=== | ||
Show | 102680 | 17 14 39 +14 23 25 | STF 2140 AD | 2002 | 14 | 39 | 79.2 | 3.48 | 11.10 | 7.62 |
Common name | Rasalgethi | Var name | Alp Her | Constellation | Hercules | SAO | 102680 | ||||
HIP | 84345 | Tycho2 | 0990-02133-1 | Gaia DR2 | 4541877995116193408 | HD | 156014 | ||||
HR | 6406 | GC | 23277 | ADS | 10418 | BD | BD+14 3207 | ||||
Bayer | Alpha 1 Herculis | Bayer name | Alp1 Her | Flamsteed | 64 Herculis | Flamsteed name | 64 Her | ||||
Distance | 110.25 | Distance ly | 359.64 | Bayer greek | α1 Her |