Coord 2000 | 13008+1223 | Discov num | BEU 16 | Comp | AB | Coord arcsec 2000 | 13 00 46.58 +12 22 32.6 | ||||
Date first | 2000 | Date last | 2015 | Obs | 16 | ||||||
Pa first | 81 | Pa last | 60 | P.A. Now (θ) | 204.1° | ||||||
Sep first | 0.5 | Sep last | 0.525 | Sep. Now (ρ) | 0.311" | ||||||
Mag pri | 9.75 | Mag sec | delta mag (ΔM) | Spectral class | M0.5 (red) | ||||||
Pri motion ra | -619 | Sec motion ra | |||||||||
Pri motion dec | -017 | Sec motion dec | |||||||||
Notes | N O (See Notes, Orbital solution) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | DT Vir | 13 00 47 +12 22 33 | BEU 16 AB | 2015 | 16 | 60 | 0.5 | 9.75 | Y | <=== | |||
Show | 13 00 47 +12 22 33 | GDM 1 AC | 2008 | 3 | 220 | 102.1 | 9.75 | 25.00 | 15.25 |
Var name | DT Vir | Constellation | Virgo | HIP | 63510 | Tycho2 | 0886-00839-1 | ||||
GL | Gl 494 | BD | BD+13 2618 | Distance | 11.69 | Distance ly | 38.13 |
Period (P) | 13.709y | ± 0.037 | Periastron (T) | 59365d (2021.412y) | ± 18 | Semi-major axis (a) | 427.73m | ± 0.44 |
Eccentricity (e) | 0.2436 | ± 0.0012 | Inclination (i) | 130.79° | ± 0.2 | Longitude of periastron (ω) | 158.81° | ± 0.62 |
Node (Ω) | 56.13° | ± 0.17 | Notes | n | Reference | MnA2019 | ||
Equinox | Last observation | Grade | 3 | (1=Definitive, 9=Indet.) |
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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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