Coord 2000 | 10474+0236 |
Discov num | HDS1542 |
Comp | AB |
Coord arcsec 2000 | 10 47 24.29 +02 35 32.0 |
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Date first | 1991 |
Date last | 2018 |
Obs | 9 |
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Pa first | 219 |
Pa last | 258 |
P.A. Now (θ) | 260.3° |
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Sep first | 0.4 |
Sep last | 0.5 |
Sep. Now (ρ) | 0.54" |
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Mag pri | 12.91 |
Mag sec | 13.20 |
delta mag (ΔM) | 0.29 |
Spectral class | M1 (red) |
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Pri motion ra | +180 |
Sec motion ra | |||||||||
Pri motion dec | +030 |
Sec motion dec | |||||||||
Notes | O
(Orbital solution) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 10 47 24 +02 35 32 | HDS 1542 AB | 2018 | 9 | 260 | 0.5 | 12.91 | 13.20 | 0.29 | Y | <=== | ||
Show | 10 47 24 +02 35 32 | TOK 542 AC | 2015 | 7 | 226 | 756.0 | 12.28 | 14.84 | 2.56 |
Precise pa | 258.3 |
Precise sep | 0.528 |
Constellation | Sextans |
HIP | 52774 |
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Gaia DR2 | 3809351492919091968 |
Distance | 41.96 |
Distance ly | 136.87 |
last precise pa | 258.3 |
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last precise sep | 0.528 |
Period (P) | 121.7y | ± 8.2 | Periastron (T) | 2100.6y | ± 8.2 | Semi-major axis (a) | 0.518a | ± 0.031 |
Eccentricity (e) | 0.412 | ± 0.069 | Inclination (i) | 60.5° | ± 2.7 | Longitude of periastron (ω) | 250.4° | ± 6.8 |
Node (Ω) | 235° | ± 3.4 | Note | Grade | 5 | (1=Definitive, 9=Indet.) | ||
Equinox | 2000 | Last observation | 2015 |
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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 |
10474+0236 | HDS1542 | AB | 2014 | 3 | 252 | 0.6 | 12.91 | 13.20 | M1 | 104724.20+023531.8 | |
10474+0236 | HDS1542 | AB | 2018 | 7 | 258 | 0.5 | 12.91 | 13.20 | M1 | 104724.29+023532.0 |