Coord 2000 | 03180-1034 | Discov num | HU 19 | Comp | AB | Coord arcsec 2000 | 03 18 00.52 -10 34 12.9 | ||||
Date first | 1899 | Date last | 2016 | Obs | 17 | ||||||
Pa first | 300 | Pa last | 303.6 | P.A. Now (θ) | 303.6° | ||||||
Sep first | 3.3 | Sep last | 3.236 | Sep. Now (ρ) | 3.236" | ||||||
Mag pri | 9.06 | Mag sec | 11.35 | delta mag (ΔM) | 2.29 | Spectral class | F5 (yellow-white) | ||||
Pri motion ra | +045 | Sec motion ra | +043 | ||||||||
Pri motion dec | +021 | Sec motion dec | +019 | ||||||||
Notes | V W (Proper motion indicates physical, ) |
Name | HD 20551 | Constellation | Eridanus | SAO | 148890 | HIP | 15356 | ||||
Tycho2 | 5298-00375-1 | HD | 20551 | ADS | 2457 | BD | BD-11 632 | ||||
Distance | 125.79 | Distance ly | 410.33 |
refcode | metd | author | reference |
Hu_1896 | not - | Hussey, W.F. | 1896PASP....8..183H |
Hu_1896 | PASP 8, 183, 1896 | ||
Hu_1897 | Ma - | Hussey, W.J. | 1897AJ.....17...97H |
Hu_1897 | AJ 17, 97, 1897 | ||
Hu_1898 | Ma j | Hussey, W.J. | 1898AJ.....18..145H |
Hu_1898 | AJ 18, 145, 1898 | ||
Hu_1899 | Ma j | Hussey, W.J. | 1899AN....150..175H |
Hu_1899 | AN 150, 175, 1899 | ||
Hu_1900a | Ma - | Hussey, W.J. | 1900AJ.....20..192H |
Hu_1900a | AJ 20, 192, 1900 | ||
Hu_1900b | Ma - | Hussey, W.J. | 1900AJ.....21...35H |
Hu_1900b | AJ 21, 35, 1900 | ||
Hu_1900c | Ma j | Hussey, W.J. | 1900AN....152..329H |
Hu_1900c | AN 152, 329, #3645, 1900 | ||
Hu_1901a | Ma j | Hussey, W.J. | 1901PLicO...5.....H |
Hu_1901a | +orb | Pub. Lick Obs. 5, 1901 | |
Hu_1901b | Ma j | Hussey, W.J. | 1901LicOB...1...82H |
Hu_1901b | Lick Obs. Bull. 1, 82, 1901 | ||
Hu_1902a | Ma j | Hussey, W.J. | 1902LicOB...1..161H |
Hu_1902a | Lick Obs. Bull. 1, 161, 1902 | ||
Hu_1902b | Ma j | Hussey, W.J. | 1902LicOB...2....1H |
Hu_1902b | Lick Obs. Bull. 2, 1, 1902 | ||
Hu_1903a | Ma j | Hussey, W.J. | 1903LicOB...2...73H |
Hu_1903a | Lick Obs. Bull. 2, 73, 1903 | ||
Hu_1903b | Ma j | Hussey, W.J. | 1903LicOB...2..115H |
Hu_1903b | Lick Obs. Bull. 2, 115, 1903 | ||
Hu_1904a | Ma j | Hussey, W.J. | 1904LicOB...2..180H |
Hu_1904a | Lick Obs. Bull. 2, 180, 1904 | ||
Hu_1904b | Ma - | Hussey, W.J. | 1904LicOB...3...53H |
Hu_1904b | Lick Obs. Bull. 3, 53, 1904 | ||
Hu_1905a | Ma - | Hussey, W.J. | 1905LicOB...3...95H |
Hu_1905a | Lick Obs. Bull. 3, 95, 1905 | ||
Hu_1905b | Ma - | Hussey, W.J. | 1905LicOB...3..116H |
Hu_1905b | Lick Obs. Bull. 3, 116, 1905 | ||
Hu_1905c | Ma - | Hussey, W.J. | 1905LicOB...3..151H |
Hu_1905c | Lick Obs. Bull. 3, 151, 1905 | ||
Hu_1906A | Ma - | Hussey, W.J. | 1906MmRAS..56....1L |
Hu_1906A | cited by Lewis (MemRAS 56, 1, 1906) | ||
Hu_1906B | Ma - | Hussey, W.J. | 1906QB821.B972..... |
Hu_1906B | cited in BDS (Burnham Double Star Cat.), 1906 | ||
Hu_1907 | Ma - | Hussey, W.J. | 1907LicOB...4..124H |
Hu_1907 | Lick Obs. Bull. 4, 124, 1907 | ||
Hu_1910 | Ma - | Hussey, W.J. | 1910AJ.....21..105H |
Hu_1910 | AJ 21, 105, 1910 | ||
Hu_1911 | Ma - | Hussey, W.J. | 1911LicOB...6..182H |
Hu_1911 | Lick Obs. Bull. 6, 182, 1911 | ||
Hu_1912a | Ma - | Hussey, W.J. | 1915POMic...1..147H |
Hu_1912a | Pub. Univ. Michigan Obs. 1, 147, 1912 | ||
Hu_1912b | Ma - | Hussey, W.J. | 1915POMic...1..160H |
Hu_1912b | Pub. Univ. Michigan Obs. 1, 160, 1912 | ||
Hu_1912c | Ma - | Hussey, W.J. | 1915POMic...1..167H |
Hu_1912c | Pub. Univ. Michigan Obs. 1, 167, 1912 | ||
Hu_1927A | Ma - | Hussey, W.J. | 1927sdsc.book...... |
Hu_1927A | cited in SDS (Southern Double Star Cat.), 1927 | ||
Hu_1932A | Ma - | Hussey, W.J. | 1932QB821.A43...... |
Hu_1932A | cited in ADS (Aitken Double Star Cat.), 1932 | ||
Hu_9999 | Ma - | Hussey, W.J. | ................... |
Hu_9999 | Unpublished, manuscript or reference not found. |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
03180-1034 | HU 19 | AB | 2015 | 16 | 304 | 3.2 | 9.06 | 11.35 | F5 | W | 031800.52-103412.9 |
03180-1034 | HU 19 | AB | 2016 | 17 | 304 | 3.2 | 9.06 | 11.35 | F5 | W | 031800.52-103412.9 |
Click on the map to see the double of your interest. Pass over with the mouse cursor to display the catalog designation. |
Click on the map to see the double of your interest. Pass over with the mouse cursor to display the catalog designation. |
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A | |
B | pa=304.1° sep=3.20" |
Name | HD 20551 | Coord arcsec 2000 | 031800.52-103412.9 | Mag | 9.06 | Spectral class | F5 (yellow-white) | ||||
PmRA | 45.00 | PmDE | 21.0 | SAO | 148890 | HIP | 15356 | ||||
Tycho2 | 5298-00375-1 | HD | 20551 | ADS | 2457 | BD | BD-11 632 |
Tycho2 | 5298-00375-1 | Pflag | RAmdeg | 49.50218140 | DEmdeg | -10.57024602 | |||||
PmRA | 45.1 | PmDE | 14.0 | E RAmdeg | 8 | E DEmdeg | 11 | ||||
E pmRA | 1.2 | E pmDE | 1.1 | EpRAm | 1990.87 | EpDEm | 1989.60 | ||||
Num | 7 | Q RAmdeg | 2.5 | Q DEmdeg | 2.0 | Q pmRA | 2.6 | ||||
Q pmDE | 2.2 | BTmag | 9.544 | E BTmag | 0.021 | VTmag | 9.057 | ||||
E VTmag | 0.017 | Prox | 33 | TYC | T | HIP | 15356 | ||||
CCDM | A | RAdeg | 49.50207806 | DEdeg | -10.57028083 | EpRA 1990 | 1.78 | ||||
EpDE 1990 | 1.60 | E RAdeg | 7.9 | E DEdeg | 11.3 | Posflg | |||||
Corr | 0.2 |
SAO | 148890 | DelFlag | RA1950 | PmRA1950 | 0.0041 | ||||||
DE1950 | PmDE1950 | 0.017 | Vmag | 8.8 | SpType | F5 | |||||
Double code | Source | 20 | CatNum | 748 | DM | BD-11 632 | |||||
DMcomp | BDsup | HD | 20551 | M HD | 0 | ||||||
GC | RA1950rad | 0.85347825 | DE1950rad | -0.18766546 | PmRA2000 | 0.0045 | |||||
PmDE2000 | 0.015 |
Catalog | H | HIP | 15356 | Proxy | H | RAhms | 03 18 00.50 | ||||
DEdms | -10 34 13.0 | Vmag | 8.93 | VarFlag | R Vmag | H | |||||
RAdeg | 49.5021 | DEdeg | -10.5703 | AstroRef | A | Plx | 6.82 | ||||
CCDM | 03180-1034 | N CCDM | I | Nsys | 1 | Ncomp | 2 | ||||
MultFlag | C | Source | Qual | A | M HIP | AB | |||||
Theta | 303 | Rho | 3.266 | HD | 20551 | BD | BD-11 632 | ||||
CD | CP | Dm number | -11 632 | VIred | 0.51 | ||||||
SpType | F5 | R SpType | Coord arcsec 2000 | 031800.50-103413.0 |
HIP | 15356 | Sn | 15 | So | 3 | Nc | 2 | ||||
RArad | 0.8639740862 | DErad | -0.1844862528 | Plx | 7.95 | PmRA | 44.42 | ||||
PmDE | 18.92 | E RArad | 1.42 | E DErad | 0.86 | E Plx | 1.52 | ||||
E pmRA | 2.36 | E pmDE | 1.36 | Hpmag | 9.0239 | E Hpmag | 0.0016 | ||||
SHp | 0.014 | VA | 0 | BV | 0.44 | E BV | 0.042 | ||||
VI | 0.5 |
Ccdm | 03180-1034 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | 0.61 | DDEs | -13.0 | ||||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 2 | Vmag | 9.1 | Sp | F5 | PmNote | * | ||||
PmRA | 60 | PmDE | 17 | Dm number | -11 632 | Cat1 | BD | ||||
Name2 | 148890 | Cat2 | SAO | HD | 20551 | M HD | |||||
ADS BDS | A 2457 | M ADS BDS | N IDS | IDS | 03132S1056A | ||||||
HIC | 15356 |
Coord arcsec 2000 | 031800.34-103411.1 | Mag | 11.35 | PmRA | 43.00 | PmDE | 19.0 | ||||
Calc delta mag | 2.29 | Calc coord | yes |
Ccdm | 03180-1034 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | HU 19 | DRAs | DDEs | |||||||
R dRAs | Year | 1943 | Theta | 304 | Rho | 3.1 | |||||
Obs | 7 | Vmag | 11.6 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A 2457 | M ADS BDS | N IDS | IDS | 03132S1056B | ||||||
HIC | 15356 |