Coord 2000 | 21314+5754 |
Discov num | ES 1800 |
Comp | Coord arcsec 2000 | 21 31 25.94 +57 53 56.6 |
|||||
Date first | 1919 |
Date last | 1991 |
Obs | 4 |
||||||
Pa first | 89 |
Pa last | 86 |
P.A. Now (θ) | 86° |
||||||
Sep first | 3.1 |
Sep last | 3.4 |
Sep. Now (ρ) | 3.4" |
||||||
Mag pri | 9.66 |
Mag sec | 12.80 |
delta mag (ΔM) | 3.14 |
Spectral class | B3 (blue-white) |
||||
Pri motion ra | -005 |
Sec motion ra | -002 |
||||||||
Pri motion dec | +003 |
Sec motion dec | -003 |
||||||||
Notes |
Constellation | Cepheus |
Tycho2 | 3974-00281-1 |
HD | 239693 |
last precise pa | 85.6 |
||||
last precise sep | 3.44 |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
21314+5754 | ES 1800 | 1991 | 4 | 86 | 3.4 | 9.66 | 12.80 | B3 | 213125.94+575356.6 |