| Coord 2000 | 00042+4959 |
Discov num | HJ 1931 |
Comp | Coord arcsec 2000 | 00 04 09.27 +49 59 17.9 |
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| Date first | 1828 |
Date last | 2015 |
Obs | 17 |
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| Pa first | 116 |
Pa last | 117 |
P.A. Now (θ) | 117° |
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| Sep first | 16.5 |
Sep last | 22.8 |
Sep. Now (ρ) | 22.8" |
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| Mag pri | 8.01 |
Mag sec | 10.70 |
delta mag (ΔM) | 2.69 |
Spectral class | K2 (yellow-orange) |
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| Pri motion ra | -004 |
Sec motion ra | -001 |
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| Pri motion dec | -003 |
Sec motion dec | -012 |
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| Notes | |||||||||||
| Precise pa | 117.4 |
Precise sep | 22.843 |
Constellation | Cassiopeia |
SAO | 36029 |
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| Tycho2 | 3254-00278-1 |
Gaia DR2 | 393852387991723904 |
HD | 225171 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 00042+4959 | HJ 1931 | 2001 | 8 | 116 | 22.7 | 8.01 | 10.70 | K2 | D | 000409.27+495917.9 | |
| 00042+4959 | HJ 1931 | 2002 | 10 | 116 | 22.4 | 8.01 | 10.70 | K2 | D | 000409.27+495917.9 | |
| 00042+4959 | HJ 1931 | 2014 | 11 | 117 | 22.4 | 8.01 | 10.70 | K2 | 000409.27+495917.9 | ||
| 00042+4959 | HJ 1931 | 2015 | 12 | 117 | 22.8 | 8.01 | 10.70 | K2 | 000409.27+495917.9 |