| Coord 2000 | 00550+5858 |
Discov num | BU 1098 |
Comp | AC |
Coord arcsec 2000 | 00 55 00.19 +58 58 22.1 |
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| Date first | 1910 |
Date last | 2015 |
Obs | 7 |
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| Pa first | 128 |
Pa last | 125 |
P.A. Now (θ) | 125° |
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| Sep first | 93.0 |
Sep last | 93.8 |
Sep. Now (ρ) | 93.8" |
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| Mag pri | 4.96 |
Mag sec | 12.89 |
delta mag (ΔM) | 7.93 |
Spectral class | K2III (yellow-orange) |
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| Pri motion ra | -034 |
Sec motion ra | +000 |
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| Pri motion dec | -041 |
Sec motion dec | -002 |
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| Notes | N
(See Notes) |
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| Show | name | SAO | coord_2000 | discov# | comp | first | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
| Show | Ups1 Cas | 21832 | 00550+5858 | BU 1098 | AB | 1889 | 2015 | 8 | 63 | 18.0 | 4.96 | 12.50 | 7.54 | ||
| Show | 00550+5858 | BU 1098 | AC | 1910 | 2015 | 7 | 125 | 93.8 | 4.96 | 12.89 | 7.93 | <=== |
| Precise pa | 125.3 |
Precise sep | 93.84 |
Constellation | Cassiopeia |
SAO | 21832 |
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| HIP | 4292 |
Tycho2 | 3680-01840-1 |
Gaia DR2 | 3349543040 |
HD | 5234 |
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| HR | 253 |
GC | 1086 |
BD | BD+58 134 |
Bayer | Upsilon 1 Cassiopeiae |
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| Bayer name | Ups1 Cas |
Flamsteed | 26 Cassiopeiae |
Flamsteed name | 26 Cas |
Distance | 100.7 |
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| Distance ly | 328.48 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 00550+5858 | BU 1098 | AC | 1998 | 5 | 126 | 93.6 | 5.00 | 11.80 | N D | 005500.19+585822.1 | |
| 00550+5858 | BU 1098 | AC | 2003 | 6 | 125 | 93.3 | 5.00 | 11.80 | N D | 005500.19+585822.1 | |
| 00550+5858 | BU 1098 | AC | 2015 | 7 | 125 | 93.8 | 4.96 | 12.89 | K2III | N | 005500.19+585822.1 |