| Coord 2000 | 00174+1631 |
Discov num | STF 20 |
Comp | Coord arcsec 2000 | 00 17 22.36 +16 30 37.5 |
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| Date first | 1825 |
Date last | 2016 |
Obs | 48 |
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| Pa first | 230 |
Pa last | 233 |
P.A. Now (θ) | 233° |
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| Sep first | 12.1 |
Sep last | 11.9 |
Sep. Now (ρ) | 11.9" |
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| Mag pri | 8.87 |
Mag sec | 9.67 |
delta mag (ΔM) | 0.8 |
Spectral class | F9V (yellow-white) |
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| Pri motion ra | +044 |
Sec motion ra | +045 |
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| Pri motion dec | +000 |
Sec motion dec | -001 |
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| Notes | Z
(Parallax indicates components are physical) |
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| Precise pa | 233.3 |
Precise sep | 11.886 |
Constellation | Hydra |
SAO | 91819 |
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| HIP | 1390 |
Tycho2 | 1179-00078-1 |
Gaia DR2 | 2793466456104092288 |
HD | 1309 |
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| BD | BD+15 35 |
Distance | 125 |
Distance ly | 407.75 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 00174+1631 | STF 20 | 2004 | 35 | 233 | 11.9 | 8.87 | 9.67 | F5 | D | 001722.36+163037.5 | |
| 00174+1631 | STF 20 | 2009 | 37 | 233 | 11.9 | 8.87 | 9.67 | F5 | D | 001722.36+163037.5 | |
| 00174+1631 | STF 20 | 2015 | 39 | 233 | 11.9 | 8.87 | 9.67 | F9V | Z | 001722.36+163037.5 |