| Coord 2000 | 19403+0420 |
Discov num | BU 977 |
Comp | AB |
Coord arcsec 2000 | 19 40 16.67 +04 20 15.5 |
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| Date first | 1880 |
Date last | 2015 |
Obs | 8 |
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| Pa first | 59 |
Pa last | 54 |
P.A. Now (θ) | 54° |
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| Sep first | 3.8 |
Sep last | 4.1 |
Sep. Now (ρ) | 4.1" |
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| Mag pri | 8.46 |
Mag sec | 12.50 |
delta mag (ΔM) | 4.04 |
Spectral class | F5 (yellow-white) |
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| Pri motion ra | +008 |
Sec motion ra | |||||||||
| Pri motion dec | -031 |
Sec motion dec | |||||||||
| Notes | |||||||||||
| Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
| Show | 19 40 17 +04 20 16 | BU 977 AB | 2015 | 8 | 54 | 4.1 | 8.46 | 12.50 | 4.04 | <=== | |||
| Show | 19 40 17 +04 20 16 | BU 977 AC | 2015 | 4 | 292 | 49.9 | 8.46 | 11.70 | 3.24 |
| Precise pa | 54.1 |
Precise sep | 4.145 |
Constellation | Aquila |
Tycho2 | 0487-01245-1 |
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| Gaia DR2 | 4290200745612559488 |
HD | 185700 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 19403+0420 | BU 977 | AB | 1933 | 7 | 59 | 4.0 | 8.46 | 12.50 | F5 | 194016.67+042015.5 | |
| 19403+0420 | BU 977 | AB | 2015 | 8 | 54 | 4.1 | 8.46 | 12.50 | F5 | 194016.67+042015.5 |