Coord 2000 | 19496-5525 |
Discov num | I 658 |
Comp | Coord arcsec 2000 | 19 49 37.33 -55 25 27.5 |
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Date first | 1909 |
Date last | 2018 |
Obs | 34 |
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Pa first | 260 |
Pa last | 131 |
P.A. Now (θ) | 130.5° |
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Sep first | 0.6 |
Sep last | 1.2 |
Sep. Now (ρ) | 1.26" |
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Mag pri | 9.16 |
Mag sec | 10.06 |
delta mag (ΔM) | 0.9 |
Spectral class | G5V (yellow) |
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Pri motion ra | -007 |
Sec motion ra | -007 |
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Pri motion dec | +000 |
Sec motion dec | +000 |
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Notes | O
(Orbital solution) |
Precise pa | 130.9 |
Precise sep | 1.225 |
Constellation | Telescopium |
SAO | 246282 |
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HIP | 97548 |
Tycho2 | 8779-00757-1 |
Gaia DR2 | 6641145034582749184 |
HD | 186836 |
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CP | CP-55 9203 |
Distance | 59.99 |
Distance ly | 195.69 |
last precise pa | 130.9 |
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last precise sep | 1.225 |
Period (P) | 416.8y | Periastron (T) | 1895.4y | Semi-major axis (a) | 1.098a | |||
Eccentricity (e) | 0.474 | Inclination (i) | 134° | Longitude of periastron (ω) | 169.8° | |||
Node (Ω) | 98.7° | Note | Grade | 4 | (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 |
19496-5525 | I 658 | 1991 | 29 | 148 | 1.0 | 9.16 | 10.06 | G5V | NOD | 194937.33-552527.5 | |
19496-5525 | I 658 | 2009 | 30 | 135 | 1.2 | 9.16 | 10.06 | G5V | NOD | 194937.33-552527.5 | |
19496-5525 | I 658 | 2015 | 31 | 133 | 1.2 | 9.16 | 10.06 | G5V | O | 194937.33-552527.5 | |
19496-5525 | I 658 | 2018 | 33 | 131 | 1.2 | 9.16 | 10.06 | G5V | O | 194937.33-552527.5 |