Coord 2000 | 00152+2722 |
Discov num | J 868 |
Comp | Coord arcsec 2000 | 00 15 09.94 +27 23 46.7 |
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Date first | 1907 |
Date last | 2018 |
Obs | 36 |
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Pa first | 187 |
Pa last | 232 |
P.A. Now (θ) | 230.3° |
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Sep first | 2.1 |
Sep last | 6.3 |
Sep. Now (ρ) | 6.3" |
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Mag pri | 12.42 |
Mag sec | 12.62 |
delta mag (ΔM) | 0.2 |
Spectral class | F4V+G5V (yellow-white/yellow) |
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Pri motion ra | +018 |
Sec motion ra | -033 |
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Pri motion dec | +011 |
Sec motion dec | -014 |
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Notes |
Precise pa | 231.6 |
Precise sep | 6.31 |
Constellation | Hydra |
Gaia DR2 | 2856755719788741120 |
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ADS | 195 |
last precise pa | 231.6 |
last precise sep | 6.31 |
Period (P) | 1089.17y | Periastron (T) | 1725.11y | Semi-major axis (a) | 8.477a | |||
Eccentricity (e) | 0.367 | Inclination (i) | 75.2° | Longitude of periastron (ω) | 352.8° | |||
Node (Ω) | 68.9° | Note | Grade | 5 | (1=Definitive, 9=Indet.) | |||
Equinox | 2000 | Last observation | 2006 |
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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 |
00152+2722 | J 868 | 2006 | 19 | 230 | 5.8 | 12.42 | 12.62 | ODB | 001509.80+272345.1 | ||
00152+2722 | J 868 | 2011 | 23 | 230 | 6.0 | 12.42 | 12.62 | ODB | 001509.80+272345.1 | ||
00152+2722 | J 868 | 2013 | 25 | 231 | 6.0 | 12.42 | 12.62 | F4V+G5V | NOUB | 001509.80+272345.1 | |
00152+2722 | J 868 | 2015 | 29 | 231 | 6.2 | 12.42 | 12.62 | F4V+G5V | NOUB | 001509.94+272346.7 | |
00152+2722 | J 868 | 2016 | 30 | 231 | 6.2 | 12.42 | 12.62 | F4V+G5V | NO B | 001509.94+272346.7 | |
00152+2722 | J 868 | 2018 | 36 | 232 | 6.3 | 12.42 | 12.62 | F4V+G5V | NL B | 001509.94+272346.7 |