Coord 2000 | 01108+6747 |
Discov num | HDS 155 |
Comp | Coord arcsec 2000 | 01 10 50.74 +67 46 48.2 |
|||||
Date first | 1991 |
Date last | 2013 |
Obs | 27 |
||||||
Pa first | 165 |
Pa last | 174 |
P.A. Now (θ) | 170.4° |
||||||
Sep first | 0.1 |
Sep last | 0.1 |
Sep. Now (ρ) | 0.13" |
||||||
Mag pri | 7.22 |
Mag sec | 7.68 |
delta mag (ΔM) | 0.46 |
Spectral class | G0IV+G0IV (yellow/yellow) |
||||
Pri motion ra | +250 |
Sec motion ra | |||||||||
Pri motion dec | +024 |
Sec motion dec | |||||||||
Notes |
Precise pa | 174 |
Precise sep | 0.133 |
Constellation | Hydra |
SAO | 11614 |
||||
HIP | 5531 |
Tycho2 | 4296-01443-1 |
Gaia DR2 | 526537396786294784 |
HD | 6840 |
||||
BD | BD+67 98 |
Distance | 54.64 |
Distance ly | 178.24 |
last precise pa | 174 |
||||
last precise sep | 0.133 |
Period (P) | 7.453y | Periastron (T) | 1995.5y | Semi-major axis (a) | 0.083a | |||
Eccentricity (e) | 0.744 | Inclination (i) | 52° | Longitude of periastron (ω) | 215° | |||
Node (Ω) | 151.8° | Note | Grade | 2 | (1=Definitive, 9=Indet.) | |||
Equinox | 2000 | Last observation | 2013 |
|
|
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 |
01108+6747 | HDS 155 | 2007 | 11 | 184 | 0.1 | 7.22 | 7.68 | G0 | D | 011050.36+674648.1 | |
01108+6747 | HDS 155 | 2008 | 20 | 199 | 0.1 | 7.22 | 7.68 | G0IV G0IV | D | 011050.36+674648.1 | |
01108+6747 | HDS 155 | 2009 | 21 | 243 | 0.0 | 7.22 | 7.68 | G0IV G0IV | D | 011050.36+674648.1 | |
01108+6747 | HDS 155 | 2012 | 22 | 165 | 0.1 | 7.22 | 7.68 | G0IV G0IV | NOD | 011050.36+674648.1 | |
01108+6747 | HDS 155 | 2013 | 26 | 174 | 0.1 | 7.22 | 7.68 | G0IV+G0IV | NO | 011050.74+674648.2 |