| Coord 2000 | 00378+7254 |
Discov num | HJ 1989 |
Comp | AB |
Coord arcsec 2000 | 00 37 45.68 +72 53 41.5 |
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| Date first | 1831 |
Date last | 2015 |
Obs | 8 |
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| Pa first | 49 |
Pa last | 52 |
P.A. Now (θ) | 52° |
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| Sep first | 20.0 |
Sep last | 31.8 |
Sep. Now (ρ) | 31.8" |
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| Mag pri | 6.97 |
Mag sec | 11.52 |
delta mag (ΔM) | 4.55 |
Spectral class | B2V (blue-white) |
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| Pri motion ra | +009 |
Sec motion ra | +003 |
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| Pri motion dec | -001 |
Sec motion dec | +003 |
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| Notes | |||||||||||
| Show | name | SAO | coord_2000 | discov# | comp | first | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
| Show | 00378+7254 | HJ 1989 | AB | 1831 | 2015 | 8 | 52 | 31.8 | 6.97 | 11.52 | 4.55 | <=== | |||
| Show | 00378+7254 | HJ 1989 | BC | 1831 | 2015 | 10 | 342 | 11.5 | 11.52 | 12.40 | 0.88 |
| Precise pa | 51.5 |
Precise sep | 31.834 |
Constellation | Cassiopeia |
SAO | 4165 |
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| HIP | 2968 |
Tycho2 | 4303-00957-1 |
Gaia DR2 | 3739919488 |
HD | 3366 |
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| BD | BD+72 35 |
Distance | 473.93 |
Distance ly | 1545.96 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 00378+7254 | HJ 1989 | AB | 1999 | 6 | 52 | 31.8 | 7.10 | 10.90 | B2V | D | 003745.68+725341.5 |
| 00378+7254 | HJ 1989 | AB | 2003 | 8 | 51 | 32.1 | 7.10 | 10.90 | B2V | D | 003745.68+725341.5 |
| 00378+7254 | HJ 1989 | AB | 2015 | 8 | 52 | 31.8 | 6.97 | 11.52 | B2V | 003745.68+725341.5 |