| Coord 2000 | 20209-3450 |
Discov num | B 478 |
Comp | Coord arcsec 2000 | 20 20 54.41 -34 49 55.0 |
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| Date first | 1912 |
Date last | 2015 |
Obs | 12 |
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| Pa first | 32 |
Pa last | 28 |
P.A. Now (θ) | 28° |
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| Sep first | 5.7 |
Sep last | 6.0 |
Sep. Now (ρ) | 6" |
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| Mag pri | 10.15 |
Mag sec | 10.90 |
delta mag (ΔM) | 0.75 |
Spectral class | |||||
| Pri motion ra | +061 |
Sec motion ra | +125 |
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| Pri motion dec | -075 |
Sec motion dec | +038 |
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| Notes | |||||||||||
| Precise pa | 27.6 |
Precise sep | 6.013 |
Constellation | Sagittarius |
SAO | 212022 |
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| Tycho2 | 7450-01154-1 |
Gaia DR2 | 6696256989771673984 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20209-3450 | B 478 | 1999 | 8 | 28 | 6.1 | 10.15 | 10.90 | D | 202054.41-344955.0 | ||
| 20209-3450 | B 478 | 2010 | 10 | 28 | 5.9 | 10.15 | 10.90 | 202054.41-344955.0 | |||
| 20209-3450 | B 478 | 2015 | 11 | 28 | 6.0 | 10.15 | 10.90 | 202054.41-344955.0 |