Coord 2000 | 00093+7943 |
Discov num | STF 2 |
Comp | Coord arcsec 2000 | 00 09 20.18 +79 42 52.4 |
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Date first | 1828 |
Date last | 2019 |
Obs | 213 |
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Pa first | 343 |
Pa last | 15 |
P.A. Now (θ) | 14.3° |
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Sep first | 0.8 |
Sep last | 0.9 |
Sep. Now (ρ) | 0.95" |
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Mag pri | 6.68 |
Mag sec | 6.89 |
delta mag (ΔM) | 0.21 |
Spectral class | A4IV (white) |
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Pri motion ra | +106 |
Sec motion ra | +106 |
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Pri motion dec | -033 |
Sec motion dec | -033 |
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Notes |
Precise pa | 14.6 |
Precise sep | 0.94 |
Constellation | Hydra |
SAO | 4048 |
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HIP | 760 |
Tycho2 | 4500-01334-1 |
Gaia DR2 | 565004017238715264 |
HD | 431 |
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HR | 20 |
ADS | 102 |
BD | BD+78 1 |
Distance | 105.49 |
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Distance ly | 344.11 |
last precise pa | 14.6 |
last precise sep | 0.94 |
Period (P) | 540y | Periastron (T) | 1887.5y | Semi-major axis (a) | 0.995a | |||
Eccentricity (e) | 0.715 | Inclination (i) | 110.1° | Longitude of periastron (ω) | 333.7° | |||
Node (Ω) | 171.2° | Note | Grade | 3 | (1=Definitive, 9=Indet.) | |||
Equinox | 2000 | Last observation |
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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 |
00093+7943 | STF 2 | 2005 | 214 | 18 | 0.8 | 6.68 | 6.89 | A4IV | NOD | 000920.18+794252.4 | |
00093+7943 | STF 2 | 2007 | 215 | 18 | 0.8 | 6.68 | 6.89 | A4IV | NOD | 000920.18+794252.4 | |
00093+7943 | STF 2 | 2010 | 216 | 17 | 0.8 | 6.68 | 6.89 | A4IV | NOD | 000920.18+794252.4 | |
00093+7943 | STF 2 | 2012 | 208 | 17 | 0.9 | 6.68 | 6.89 | A4IV | NOD | 000920.18+794252.4 | |
00093+7943 | STF 2 | 2015 | 210 | 17 | 0.9 | 6.68 | 6.89 | A4IV | NO | 000920.18+794252.4 | |
00093+7943 | STF 2 | 2018 | 211 | 17 | 0.9 | 6.68 | 6.89 | A4IV | NO | 000920.18+794252.4 | |
00093+7943 | STF 2 | 2019 | 212 | 15 | 0.9 | 6.68 | 6.89 | A4IV | NO | 000920.18+794252.4 |