Coord 2000 | 20010+3742 |
Discov num | BU 1289 |
Comp | AC |
Coord arcsec 2000 | 20 00 59.61 +37 41 56.1 |
||||
Date first | 1896 |
Date last | 2018 |
Obs | 31 |
||||||
Pa first | 90 |
Pa last | 90 |
P.A. Now (θ) | 90° |
||||||
Sep first | 21.4 |
Sep last | 21.5 |
Sep. Now (ρ) | 21.5" |
||||||
Mag pri | 8.15 |
Mag sec | 9.70 |
delta mag (ΔM) | 1.55 |
Spectral class | B5 (blue-white) |
||||
Pri motion ra | -007 |
Sec motion ra | -007 |
||||||||
Pri motion dec | -009 |
Sec motion dec | +033 |
||||||||
Notes | N
(See Notes) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 69258 | 20 00 60 +37 41 56 | BU 1289 AB | 2016 | 22 | 55 | 0.7 | 8.15 | 9.20 | 1.05 | |||
Show | 69258 | 20 00 60 +37 41 56 | BU 1289 AC | 2018 | 31 | 90 | 21.5 | 8.15 | 9.70 | 1.55 | <=== | ||
Show | 69258 | 20 00 60 +37 41 56 | FOX 246 AB,D | 2015 | 12 | 170 | 104.2 | 8.15 | 11.17 | 3.02 | |||
Show | 69258 | 20 00 60 +37 41 56 | WAL 125 AB,E | 2015 | 7 | 10 | 46.5 | 8.15 | 13.52 | 5.37 |
Precise pa | 89.8 |
Precise sep | 21.504 |
Constellation | Cygnus |
SAO | 69258 |
||||
HIP | 98528 |
Tycho2 | 3150-02606-1 |
Gaia DR2 | 2060249185726240640 |
HD | 189901 |
||||
BD | BD+37 3723 |
Distance | 469.48 |
Distance ly | 1531.44 |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
20010+3742 | BU 1289 | AC | 2003 | 23 | 89 | 21.7 | 8.15 | 9.70 | D | 200059.61+374156.1 | |
20010+3742 | BU 1289 | AC | 2017 | 25 | 90 | 21.4 | 8.15 | 9.70 | B5 | N | 200059.61+374156.1 |
20010+3742 | BU 1289 | AC | 2018 | 27 | 90 | 21.5 | 8.15 | 9.70 | B5 | N | 200059.61+374156.1 |