| Coord 2000 | 19575+2018 |
Discov num | BU 425 |
Comp | AD |
Coord arcsec 2000 | 19 57 32.28 +20 17 40.1 |
||||
| Date first | 2000 |
Date last | 2015 |
Obs | 4 |
||||||
| Pa first | 84 |
Pa last | 84 |
P.A. Now (θ) | 84° |
||||||
| Sep first | 29.8 |
Sep last | 29.1 |
Sep. Now (ρ) | 29.1" |
||||||
| Mag pri | 9.17 |
Mag sec | 13.12 |
delta mag (ΔM) | 3.95 |
Spectral class | B9 (blue-white) |
||||
| Pri motion ra | +004 |
Sec motion ra | +056 |
||||||||
| Pri motion dec | -001 |
Sec motion dec | +012 |
||||||||
| Notes | |||||||||||
| Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
| Show | 19 57 32 +20 17 40 | BU 425 AB | 2016 | 57 | 240 | 1.4 | 9.17 | 9.24 | 0.07 | ||||
| Show | 19 57 32 +20 17 40 | BU 425 AC | 2015 | 14 | 40 | 22.0 | 9.17 | 12.61 | 3.44 | ||||
| Show | 19 57 32 +20 17 40 | BU 425 AD | 2015 | 4 | 84 | 29.1 | 9.17 | 13.12 | 3.95 | <=== |
| Precise pa | 84.3 |
Precise sep | 29.14 |
Constellation | Sagitta |
HIP | 98216 |
||||
| Tycho2 | 1624-00669-1 |
Gaia DR2 | 1823377444393685248 |
HD | 189068 |
BD | BD+19 4221 |
||||
| Distance | 540.54 |
Distance ly | 1763.24 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 19575+2018 | BU 425 | AD | 2000 | 1 | 84 | 29.8 | 9.17 | 13.12 | B9 | D | 195732.28+201740.1 |
| 19575+2018 | BU 425 | AD | 2001 | 2 | 84 | 29.7 | 9.17 | 13.12 | B9 | D | 195732.28+201740.1 |
| 19575+2018 | BU 425 | AD | 2013 | 3 | 84 | 30.4 | 9.17 | 13.12 | B9 | 195732.28+201740.1 | |
| 19575+2018 | BU 425 | AD | 2015 | 4 | 84 | 29.1 | 9.17 | 13.12 | B9 | 195732.28+201740.1 |