| Coord 2000 | 20023-4554 |
Discov num | I 660 |
Comp | Coord arcsec 2000 | 20 02 20.53 -45 53 59.9 |
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| Date first | 1909 |
Date last | 2015 |
Obs | 4 |
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| Pa first | 280 |
Pa last | 278 |
P.A. Now (θ) | 278° |
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| Sep first | 1.0 |
Sep last | 1.8 |
Sep. Now (ρ) | 1.8" |
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| Mag pri | 10.28 |
Mag sec | 11.30 |
delta mag (ΔM) | 1.02 |
Spectral class | F5/6V (yellow-white) |
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| Pri motion ra | +022 |
Sec motion ra | |||||||||
| Pri motion dec | -016 |
Sec motion dec | |||||||||
| Notes | |||||||||||
| Precise pa | 277.5 |
Precise sep | 1.802 |
Constellation | Telescopium |
SAO | 229999 |
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| Tycho2 | 8391-02044-1 |
Gaia DR2 | 87472897920 |
HD | 189503 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20023-4554 | I 660 | 1930 | 3 | 279 | 1.8 | 10.28 | 11.30 | F5/6V | 200220.53-455359.9 | ||
| 20023-4554 | I 660 | 2015 | 4 | 278 | 1.8 | 10.28 | 11.30 | F5/6V | 200220.53-455359.9 |