Coord 2000 | 18254-2033 | Discov num | JC 6 | Comp | Coord arcsec 2000 | 18 25 21.02 -20 32 29.9 | |||||
Date first | 1846 | Date last | 2008 | Obs | 34 | ||||||
Pa first | 297 | Pa last | 279.6 | P.A. Now (θ) | 279.6° | ||||||
Sep first | 1.8 | Sep last | 1.65 | Sep. Now (ρ) | 1.65" | ||||||
Mag pri | 5.03 | Mag sec | 7.43 | delta mag (ΔM) | 2.4 | Spectral class | K1III+A1V (yellow-orange/white) | ||||
Pri motion ra | +020 | Sec motion ra | +020 | ||||||||
Pri motion dec | -023 | Sec motion dec | -023 | ||||||||
Notes | N (See Notes) |
Name | 21 Sgr | Constellation | Sagittarius | SAO | 186794 | HIP | 90289 | ||||
Tycho2 | 6274-01663-1 | Gaia DR2 | 4091210409716888704 | HD | 169420 | HR | 6896 | ||||
GC | 25132 | ADS | 11325 | BD | BD-20 5134 | Flamsteed | 21 Sagittarii | ||||
Flamsteed name | 21 Sgr | Distance | 125.79 | Distance ly | 410.33 |