| Coord 2000 | 18540+3723 |
Discov num | BU 137 |
Comp | AC |
Coord arcsec 2000 | 18 53 57.56 +37 22 49.7 |
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| Date first | 1880 |
Date last | 2012 |
Obs | 19 |
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| Pa first | 142 |
Pa last | 147 |
P.A. Now (θ) | 147° |
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| Sep first | 17.9 |
Sep last | 24.4 |
Sep. Now (ρ) | 24.4" |
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| Mag pri | 8.69 |
Mag sec | 12.00 |
delta mag (ΔM) | 3.31 |
Spectral class | G5III-IV (yellow) |
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| Pri motion ra | -021 |
Sec motion ra | -007 |
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| Pri motion dec | +047 |
Sec motion dec | -011 |
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| Notes | |||||||||||
| Show | name | SAO | coord_2000 | discov# | comp | first | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
| Show | 18540+3723 | BU 137 | AB | 1873 | 2015 | 129 | 169 | 1.5 | 8.69 | 9.02 | 0.33 | ||||
| Show | 18540+3723 | BU 137 | AC | 1880 | 2012 | 19 | 147 | 24.4 | 8.69 | 12.00 | 3.31 | <=== |
| Precise pa | 146.8 |
Precise sep | 24.38 |
Constellation | Lyra |
last precise pa | 146.8 |
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| last precise sep | 24.38 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 18540+3723 | BU 137 | AC | 2008 | 16 | 146 | 24.0 | 8.69 | 12.00 | G5III-IV | D | 185357.56+372249.7 |
| 18540+3723 | BU 137 | AC | 2012 | 18 | 146 | 24.2 | 8.69 | 12.00 | G5III-IV | D | 185357.56+372249.7 |