| Coord 2000 | 01251+4537 |
Discov num | A 939 |
Comp | Coord arcsec 2000 | 01 25 06.75 +45 36 31.0 |
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| Date first | 1905 |
Date last | 2012 |
Obs | 38 |
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| Pa first | 264 |
Pa last | 190 |
P.A. Now (θ) | 211.3° |
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| Sep first | 0.2 |
Sep last | 0.2 |
Sep. Now (ρ) | 0.21" |
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| Mag pri | 8.94 |
Mag sec | 9.09 |
delta mag (ΔM) | 0.15 |
Spectral class | F0 (yellow-white) |
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| Pri motion ra | -017 |
Sec motion ra | |||||||||
| Pri motion dec | -021 |
Sec motion dec | |||||||||
| Notes | |||||||||||
| Precise pa | 189.6 |
Precise sep | 0.175 |
Constellation | Andromeda |
SAO | 37184 |
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| HIP | 6633 |
Tycho2 | 3265-00290-1 |
Gaia DR2 | 397299013346796800 |
HD | 8528 |
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| ADS | 1126 |
BD | BD+44 296 |
Distance | 180.18 |
Distance ly | 587.75 |
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| last precise pa | 189.6 |
last precise sep | 0.175 |
| Period (P) | 145.64y | Periastron (T) | 1962.5y | Semi-major axis (a) | 0.185a | |||
| Eccentricity (e) | 0.196 | Inclination (i) | 19.4° | Longitude of periastron (ω) | 273.6° | |||
| Node (Ω) | 143.5° | Note | Grade | 3 | (1=Definitive, 9=Indet.) | |||
| Equinox | 2000 | Last observation | 2010 |
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Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st. |
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 Measures: green=micrometric, blue=interferometric, purple=photographic |
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| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 01251+4537 | A 939 | 1992 | 35 | 147 | 0.2 | 8.94 | 9.09 | F0 | NO | 012506.75+453631.0 | |
| 01251+4537 | A 939 | 2007 | 36 | 185 | 0.2 | 8.94 | 9.09 | F0 | NO | 012506.75+453631.0 | |
| 01251+4537 | A 939 | 2010 | 38 | 195 | 0.2 | 8.94 | 9.09 | F0 | NO | 012506.75+453631.0 |