Coord 2000 | 20182+2912 |
Discov num | A 1205 |
Comp | Coord arcsec 2000 | 20 18 13.44 +29 12 15.0 |
|||||
Date first | 1905 |
Date last | 2018 |
Obs | 64 |
||||||
Pa first | 346 |
Pa last | 96 |
P.A. Now (θ) | 96.5° |
||||||
Sep first | 0.3 |
Sep last | 1.2 |
Sep. Now (ρ) | 1.25" |
||||||
Mag pri | 9.17 |
Mag sec | 10.08 |
delta mag (ΔM) | 0.91 |
Spectral class | M0 (red) |
||||
Pri motion ra | -006 |
Sec motion ra | -006 |
||||||||
Pri motion dec | -087 |
Sec motion dec | -087 |
||||||||
Notes | O
(Orbital solution) |
Precise pa | 96 |
Precise sep | 1.232 |
Constellation | Vulpecula |
SAO | 88492 |
||||
HIP | 100079 |
Tycho2 | 2167-01052-1 |
Gaia DR2 | 76179555712 |
HD | 334100 |
||||
ADS | 13665 |
BD | BD+28 3698 |
Distance | 34.72 |
Distance ly | 113.26 |
||||
last precise pa | 96 |
last precise sep | 1.232 |
Period (P) | 493.2y | Periastron (T) | 1970.78y | Semi-major axis (a) | 1.942a | |||
Eccentricity (e) | 0.913 | Inclination (i) | 98.1° | Longitude of periastron (ω) | 74° | |||
Node (Ω) | 285.72° | Note | Grade | 5 | (1=Definitive, 9=Indet.) | |||
Equinox | 2000 | Last observation | 2005 |
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 |
20182+2912 | A 1205 | 2007 | 55 | 98 | 1.1 | 9.17 | 10.08 | M0 | NOD | 201813.44+291215.0 | |
20182+2912 | A 1205 | 2009 | 56 | 98 | 1.1 | 9.17 | 10.08 | M0 | NOD | 201813.44+291215.0 | |
20182+2912 | A 1205 | 2010 | 57 | 97 | 1.2 | 9.17 | 10.08 | M0 | NOD | 201813.44+291215.0 | |
20182+2912 | A 1205 | 2016 | 60 | 96 | 1.2 | 9.17 | 10.08 | M0 | O | 201813.44+291215.0 | |
20182+2912 | A 1205 | 2017 | 62 | 97 | 1.2 | 9.17 | 10.08 | M0 | O | 201813.44+291215.0 | |
20182+2912 | A 1205 | 2018 | 63 | 96 | 1.2 | 9.17 | 10.08 | M0 | O | 201813.44+291215.0 |