| Coord 2000 | 01389+7643 |
Discov num | HU 1030 |
Comp | Coord arcsec 2000 | 01 38 56.74 +76 43 25.0 |
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| Date first | 1904 |
Date last | 2018 |
Obs | 21 |
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| Pa first | 322 |
Pa last | 320 |
P.A. Now (θ) | 320° |
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| Sep first | 0.6 |
Sep last | 0.8 |
Sep. Now (ρ) | 0.8" |
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| Mag pri | 8.93 |
Mag sec | 8.99 |
delta mag (ΔM) | 0.06 |
Spectral class | A3 (white) |
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| Pri motion ra | +036 |
Sec motion ra | +036 |
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| Pri motion dec | -013 |
Sec motion dec | -013 |
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| Notes | |||||||||||
| Precise pa | 319.9 |
Precise sep | 0.797 |
Constellation | Cassiopeia |
SAO | 4452 |
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| HIP | 7684 |
Tycho2 | 4494-01306-1 |
Gaia DR2 | 9307726976 |
HD | 9721 |
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| BD | BD+75 69 |
Distance | 212.31 |
Distance ly | 692.56 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 01389+7643 | HU 1030 | 1999 | 19 | 322 | 0.8 | 8.93 | 8.99 | A3 | D | 013856.74+764325.0 | |
| 01389+7643 | HU 1030 | 2016 | 20 | 321 | 0.8 | 8.93 | 8.99 | A3 | 013856.74+764325.0 | ||
| 01389+7643 | HU 1030 | 2018 | 21 | 320 | 0.8 | 8.93 | 8.99 | A3 | 013856.74+764325.0 |