Coord 2000 | 17475-1806 | Discov num | HU 186 | Comp | Coord arcsec 2000 | 17 47 27.09 -18 06 25.6 | |||||
Date first | 1900 | Date last | 1991 | Obs | 10 | ||||||
Pa first | 340 | Pa last | 316.9 | P.A. Now (θ) | 316.9° | ||||||
Sep first | 1.0 | Sep last | 0.98 | Sep. Now (ρ) | 0.98" | ||||||
Mag pri | 7.58 | Mag sec | 10.26 | delta mag (ΔM) | 2.68 | Spectral class | A7V (white) | ||||
Pri motion ra | +008 | Sec motion ra | +002 | ||||||||
Pri motion dec | -004 | Sec motion dec | -005 | ||||||||
Notes |
Name | HD 161643 | Constellation | Sagittarius | SAO | 160819 | HIP | 87061 | ||||
Tycho2 | 6253-01604-1 | Gaia DR2 | 4120575547751234432 | HD | 161643 | GC | 24140 | ||||
BD | BD-18 4645 | Distance | 153.85 | Distance ly | 501.86 |
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 |
17475-1806 | HU 186 | 1991 | 10 | 317 | 1.0 | 7.58 | 10.26 | A7V | D | 174727.09-180625.6 |
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=318.3° sep=0.96" |
Componente originario normalizzato | AB | Name | HD 161643 | Coord arcsec 2000 | 174727.09-180625.6 | Mag | 7.58 | ||||
Spectral class | A7V (white) | PmRA | 8.00 | PmDE | -4.0 | SAO | 160819 | ||||
HIP | 87061 | Tycho2 | 6253-01604-1 | HD | 161643 | GC | 24140 | ||||
BD | BD-18 4645 |
Tycho2 | 6253-01604-1 | Pflag | RAmdeg | 266.86289389 | DEmdeg | -18.10711782 | |||||
PmRA | 7.8 | PmDE | -4.0 | E RAmdeg | 5 | E DEmdeg | 6 | ||||
E pmRA | 0.8 | E pmDE | 0.9 | EpRAm | 1991.03 | EpDEm | 1990.78 | ||||
Num | 22 | Q RAmdeg | 1.6 | Q DEmdeg | 1.3 | Q pmRA | 1.8 | ||||
Q pmDE | 1.3 | BTmag | 7.888 | E BTmag | 0.015 | VTmag | 7.582 | ||||
E VTmag | 0.011 | Prox | 10 | TYC | T | HIP | 87061 | ||||
CCDM | A | RAdeg | 266.86287583 | DEdeg | -18.10710917 | EpRA 1990 | 1.84 | ||||
EpDE 1990 | 1.82 | E RAdeg | 4.6 | E DEdeg | 5.6 | Posflg | |||||
Corr | 0.2 |
SAO | 160819 | DelFlag | RA1950 | PmRA1950 | 0.0016 | ||||||
DE1950 | PmDE1950 | -0.011 | Vmag | 7.5 | SpType | F0 | |||||
Double code | Source | 70 | CatNum | 24140 | DM | BD-18 4645 | |||||
DMcomp | BDsup | HD | 161643 | M HD | 0 | ||||||
GC | 24140 | RA1950rad | 4.64486924 | DE1950rad | -0.31573224 | PmRA2000 | 0.0017 | ||||
PmDE2000 | -0.009 |
Catalog | H | HIP | 87061 | Proxy | H | RAhms | 17 47 27.09 | ||||
DEdms | -18 06 25.6 | Vmag | 7.45 | VarFlag | R Vmag | G | |||||
RAdeg | 266.863 | DEdeg | -18.1071 | AstroRef | A | Plx | 7.28 | ||||
CCDM | 17475-1806 | N CCDM | I | Nsys | 1 | Ncomp | 2 | ||||
MultFlag | C | Source | Qual | A | M HIP | AB | |||||
Theta | 317 | Rho | 0.985 | HD | 161643 | BD | BD-18 4645 | ||||
CD | CP | Dm number | -18 4645 | VIred | 0.37 | ||||||
SpType | A7V | R SpType | Coord arcsec 2000 | 174727.09-180625.6 |
HIP | 87061 | Sn | 15 | So | 3 | Nc | 2 | ||||
RArad | 4.6576358279 | DErad | -0.3160286442 | Plx | 6.5 | PmRA | 2.52 | ||||
PmDE | -4.45 | E RArad | 0.95 | E DErad | 0.55 | E Plx | 0.99 | ||||
E pmRA | 1.1 | E pmDE | 0.59 | Hpmag | 7.5246 | E Hpmag | 0.0013 | ||||
SHp | 0.01 | VA | 0 | BV | 0.317 | E BV | 0.024 | ||||
VI | 0.37 |
Ccdm | 17475-1806 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | -2.80 | DDEs | -26.1 | ||||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 2 | Vmag | 7.5 | Sp | F0 | PmNote | * | ||||
PmRA | 24 | PmDE | -10 | Dm number | -18 4645 | Cat1 | BD | ||||
Name2 | 160819 | Cat2 | SAO | HD | 161643 | M HD | |||||
ADS BDS | A10788 | M ADS BDS | N IDS | IDS | 17416S1804A | ||||||
HIC | 87061 |
Componente originario normalizzato | AB | Coord arcsec 2000 | 174727.05-180624.9 | Mag | 10.26 | PmRA | 2.00 | ||||
PmDE | -5.0 | Calc delta mag | 2.68 | Calc coord | yes |
Ccdm | 17475-1806 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | HU 186 | DRAs | DDEs | |||||||
R dRAs | Year | 1952 | Theta | 331 | Rho | 0.9 | |||||
Obs | 5 | Vmag | 11.6 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A10788 | M ADS BDS | N IDS | IDS | 17416S1804B | ||||||
HIC | 87061 |