| Coord 2000 | 20009-0826 |
Discov num | RST4648 |
Comp | Coord arcsec 2000 | 20 00 56.27 -08 25 57.5 |
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| Date first | 1938 |
Date last | 2016 |
Obs | 4 |
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| Pa first | 112 |
Pa last | 111 |
P.A. Now (θ) | 111° |
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| Sep first | 1.8 |
Sep last | 3.1 |
Sep. Now (ρ) | 3.1" |
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| Mag pri | 9.39 |
Mag sec | 13.40 |
delta mag (ΔM) | 4.01 |
Spectral class | A5 (white) |
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| Pri motion ra | +001 |
Sec motion ra | |||||||||
| Pri motion dec | -005 |
Sec motion dec | |||||||||
| Notes | |||||||||||
| Precise pa | 111.1 |
Precise sep | 3.113 |
Constellation | Aquila |
Tycho2 | 5738-00959-1 |
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| Gaia DR2 | 4192604520102075136 |
HD | 189556 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20009-0826 | RST4648 | 1943 | 2 | 110 | 1.9 | 9.39 | 13.40 | A5 | 200056.27-082557.5 | ||
| 20009-0826 | RST4648 | 2015 | 3 | 111 | 3.1 | 9.39 | 13.40 | A5 | 200056.27-082557.5 |