| Coord 2000 | 18420-4050 |
Discov num | UC 3643 |
Comp | Coord arcsec 2000 | 18 41 57.57 -40 50 25.1 |
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| Date first | 1998 |
Date last | 2015 |
Obs | 4 |
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| Pa first | 276 |
Pa last | 275 |
P.A. Now (θ) | 275° |
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| Sep first | 22.6 |
Sep last | 23.0 |
Sep. Now (ρ) | 23" |
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| Mag pri | 15.90 |
Mag sec | 16.40 |
delta mag (ΔM) | 0.5 |
Spectral class | |||||
| Pri motion ra | -041 |
Sec motion ra | -049 |
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| Pri motion dec | -034 |
Sec motion dec | -013 |
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| Notes | V
(Proper motion indicates physical) |
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| Precise pa | 275 |
Precise sep | 23.003 |
Constellation | Corona Austrina |
Gaia DR2 | 6728664339096260608 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 18420-4050 | UC 3643 | 1998 | 2 | 275 | 22.9 | 15.90 | 16.40 | V | 184157.57-405025.1 | ||
| 18420-4050 | UC 3643 | 2000 | 2 | 275 | 22.6 | 15.90 | 16.40 | V | 184157.57-405025.1 | ||
| 18420-4050 | UC 3643 | 2010 | 3 | 274 | 23.3 | 15.90 | 16.40 | V | 184157.57-405025.1 | ||
| 18420-4050 | UC 3643 | 2015 | 4 | 275 | 23.0 | 15.90 | 16.40 | V | 184157.57-405025.1 |