Coord 2000 | 02579+6400 | Discov num | STI 409 | Comp | AB | Coord arcsec 2000 | 02 57 56.81 +63 59 46.9 | ||||
Date first | 1904 | Date last | 2016 | Obs | 18 | ||||||
Pa first | 197 | Pa last | 208.1 | P.A. Now (θ) | 208.1° | ||||||
Sep first | 8.6 | Sep last | 8.89 | Sep. Now (ρ) | 8.89" | ||||||
Mag pri | 9.49 | Mag sec | 10.71 | delta mag (ΔM) | 1.22 | Spectral class | A2 (white) | ||||
Pri motion ra | +000 | Sec motion ra | +002 | ||||||||
Pri motion dec | -006 | Sec motion dec | -006 | ||||||||
Notes | N V (See Notes, Proper motion indicates physical) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | HD 18138 | 12535 | 02 57 57 +63 59 47 | STI 409 AB | 2016 | 18 | 208 | 8.9 | 9.49 | 10.71 | 1.22 | <=== | |
Show | 12535 | 02 57 57 +63 59 47 | STI 409 AC | 2015 | 8 | 64 | 44.0 | 9.49 | 14.60 | 5.11 |
Name | HD 18138 | Constellation | Cassiopeia | SAO | 12535 | Tycho2 | 4056-01551-1 | ||||
Gaia DR2 | 467885220313421952 | HD | 18138 | ADS | 2228 |