Coord 2000 | 01528-0447 |
Discov num | RST4188 |
Comp | Coord arcsec 2000 | 01 52 45.64 -04 47 15.9 |
|||||
Date first | 1939 |
Date last | 2016 |
Obs | 24 |
||||||
Pa first | 302 |
Pa last | 42 |
P.A. Now (θ) | 46.3° |
||||||
Sep first | 0.2 |
Sep last | 0.4 |
Sep. Now (ρ) | 0.33" |
||||||
Mag pri | 9.95 |
Mag sec | 10.02 |
delta mag (ΔM) | 0.07 |
Spectral class | G0 (yellow) |
||||
Pri motion ra | +010 |
Sec motion ra | +010 |
||||||||
Pri motion dec | -022 |
Sec motion dec | -022 |
||||||||
Notes | O
(Orbital solution) |
Precise pa | 42.2 |
Precise sep | 0.351 |
Constellation | Cetus |
Tycho2 | 4688-00919-1 |
||||
Gaia DR2 | 69041723776 |
HD | 11488 |
last precise pa | 42.2 |
last precise sep | 0.351 |
Period (P) | 618.71y | Periastron (T) | 2619.26y | Semi-major axis (a) | 1.048a | |||
Eccentricity (e) | 0.553 | Inclination (i) | 72.1° | Longitude of periastron (ω) | 10.9° | |||
Node (Ω) | 22.7° | Note | Grade | 5 | (1=Definitive, 9=Indet.) | |||
Equinox | 2000 | Last observation | 2014 |
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st. |
|
|
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
|
![]() Measures: green=micrometric, blue=interferometric, purple=photographic |
|
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
01528-0447 | RST4188 | 2001 | 19 | 26 | 0.4 | 9.95 | 10.02 | G0 | NO | 015245.64-044715.9 | |
01528-0447 | RST4188 | 2008 | 20 | 33 | 0.4 | 9.95 | 10.02 | G0 | NO | 015245.64-044715.9 | |
01528-0447 | RST4188 | 2014 | 22 | 41 | 0.4 | 9.95 | 10.02 | G0 | O | 015245.64-044715.9 | |
01528-0447 | RST4188 | 2016 | 24 | 42 | 0.4 | 9.95 | 10.02 | G0 | O | 015245.64-044715.9 |