Coord 2000 | 20070+3651 |
Discov num | SEI 889 |
Comp | Coord arcsec 2000 | 20 07 02.65 +36 51 19.0 |
|||||
Date first | 1896 |
Date last | 2015 |
Obs | 11 |
||||||
Pa first | 211 |
Pa last | 209 |
P.A. Now (θ) | 209° |
||||||
Sep first | 7.0 |
Sep last | 9.0 |
Sep. Now (ρ) | 9" |
||||||
Mag pri | 9.39 |
Mag sec | 12.20 |
delta mag (ΔM) | 2.81 |
Spectral class | B8 (blue-white) |
||||
Pri motion ra | +004 |
Sec motion ra | -010 |
||||||||
Pri motion dec | -002 |
Sec motion dec | -010 |
||||||||
Notes |
Precise pa | 208.5 |
Precise sep | 8.987 |
Constellation | Cygnus |
SAO | 69437 |
||||
Tycho2 | 2683-02781-1 |
Gaia DR2 | 82778885760 |
HD | 227741 |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
20070+3651 | SEI 889 | 1998 | 4 | 209 | 8.7 | 9.39 | 12.20 | B8 | D | 200702.65+365119.0 | |
20070+3651 | SEI 889 | 2002 | 5 | 208 | 8.7 | 9.39 | 12.20 | B8 | D | 200702.65+365119.0 | |
20070+3651 | SEI 889 | 2010 | 6 | 209 | 8.9 | 9.39 | 12.20 | B8 | 200702.65+365119.0 | ||
20070+3651 | SEI 889 | 2015 | 7 | 209 | 9.0 | 9.39 | 12.20 | B8 | 200702.65+365119.0 |