| Coord 2000 | 10257+4055 |
Discov num | STF1430 |
Comp | AC |
Coord arcsec 2000 | 10 25 41.11 +40 54 39.4 |
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| Date first | 1893 |
Date last | 2015 |
Obs | 12 |
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| Pa first | 235 |
Pa last | 236 |
P.A. Now (θ) | 236° |
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| Sep first | 22.7 |
Sep last | 23.0 |
Sep. Now (ρ) | 23" |
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| Mag pri | 8.20 |
Mag sec | 10.91 |
delta mag (ΔM) | 2.71 |
Spectral class | G5III (yellow) |
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| Pri motion ra | -032 |
Sec motion ra | -031 |
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| Pri motion dec | -009 |
Sec motion dec | -010 |
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| Notes | U
(Proper motion indicates non-physical) |
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| Show | name | SAO | coord_2000 | discov# | comp | first | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
| Show | 10257+4055 | STF1430 | AB | 1904 | 2015 | 7 | 272 | 21.2 | 8.20 | 12.10 | 3.90 | ||||
| Show | 10257+4055 | STF1430 | AC | 1893 | 2015 | 12 | 236 | 23.0 | 8.20 | 10.91 | 2.71 | <=== |
| Precise pa | 236.2 |
Precise sep | 22.992 |
Constellation | Ursa Major |
SAO | 43333 |
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| HIP | 51042 |
Tycho2 | 3004-00924-1 |
Gaia DR2 | 1831957120 |
HD | 90224 |
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| BD | BD+41 2089 |
Distance | 510.2 |
Distance ly | 1664.27 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 10257+4055 | STF1430 | AC | 1998 | 9 | 236 | 23.0 | 8.50 | 10.70 | G5III | D | 102541.11+405439.4 |
| 10257+4055 | STF1430 | AC | 2010 | 10 | 237 | 23.0 | 8.50 | 10.70 | G5III | D | 102541.11+405439.4 |
| 10257+4055 | STF1430 | AC | 2015 | 12 | 236 | 23.0 | 8.20 | 10.91 | G5III | U | 102541.11+405439.4 |