Coord 2000 | 00048+3810 |
Discov num | BU 862 |
Comp | Coord arcsec 2000 | 00 04 46.86 +38 10 25.2 |
|||||
Date first | 1881 |
Date last | 2019 |
Obs | 77 |
||||||
Pa first | 105 |
Pa last | 30 |
P.A. Now (θ) | 30.2° |
||||||
Sep first | 0.5 |
Sep last | 0.8 |
Sep. Now (ρ) | 0.88" |
||||||
Mag pri | 10.02 |
Mag sec | 10.18 |
delta mag (ΔM) | 0.16 |
Spectral class | G5 (yellow) |
||||
Pri motion ra | +029 |
Sec motion ra | +029 |
||||||||
Pri motion dec | -060 |
Sec motion dec | -060 |
||||||||
Notes | O
(Orbital solution) |
Precise pa | 30 |
Precise sep | 0.81 |
Constellation | Andromeda |
SAO | 53619 |
||||
HIP | 385 |
Tycho2 | 2781-00488-1 |
Gaia DR2 | 2880739195125631488 |
ADS | 34 |
||||
BD | BD+37 4930 |
Distance | 92.51 |
Distance ly | 301.77 |
last precise pa | 30 |
||||
last precise sep | 0.81 |
Period (P) | 403y | Periastron (T) | 1942y | Semi-major axis (a) | 0.74a | |||
Eccentricity (e) | 0.68 | Inclination (i) | 40° | Longitude of periastron (ω) | 198.8° | |||
Node (Ω) | 43° | Note | Grade | 4 | (1=Definitive, 9=Indet.) | |||
Equinox | Last observation | 1984 |
|
|
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 |
00048+3810 | BU 862 | 2007 | 68 | 25 | 0.8 | 10.02 | 10.18 | G5 | NOD | 000446.86+381025.2 | |
00048+3810 | BU 862 | 2009 | 70 | 24 | 0.8 | 10.02 | 10.18 | G5 | NOD | 000446.86+381025.2 | |
00048+3810 | BU 862 | 2016 | 71 | 28 | 0.9 | 10.02 | 10.18 | G5 | O | 000446.86+381025.2 |