Coord 2000 | 18368+2120 | Discov num | HU 323 | Comp | Coord arcsec 2000 | 18 36 48.02 +21 20 02.4 | |||||
Date first | 1901 | Date last | 2013 | Obs | 10 | ||||||
Pa first | 153 | Pa last | 142.5 | P.A. Now (θ) | 142.5° | ||||||
Sep first | 0.2 | Sep last | 0.217 | Sep. Now (ρ) | 0.217" | ||||||
Mag pri | 8.73 | Mag sec | 9.35 | delta mag (ΔM) | 0.62 | Spectral class | A0 (white) | ||||
Pri motion ra | +000 | Sec motion ra | |||||||||
Pri motion dec | -006 | Sec motion dec | |||||||||
Notes |
Name | HD 171973 | Constellation | Hercules | SAO | 86242 | HIP | 91252 | ||||
Tycho2 | 1582-01472-1 | Gaia DR2 | 4531839758896577408 | HD | 171973 | BD | BD+21 3495 | ||||
Distance | 704.23 | Distance ly | 2297.2 |
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 |
18368+2120 | HU 323 | 1991 | 7 | 136 | 0.2 | 8.73 | 9.35 | A0 | 183648.02+212002.4 | ||
18368+2120 | HU 323 | 2007 | 9 | 138 | 0.2 | 8.73 | 9.35 | A0 | 183648.02+212002.4 | ||
18368+2120 | HU 323 | 2013 | 10 | 143 | 0.2 | 8.73 | 9.35 | A0 | 183648.02+212002.4 |
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=144.4° sep=0.21" |
Componente originario normalizzato | AB | Name | HD 171973 | Coord arcsec 2000 | 183648.02+212002.4 | Mag | 8.73 | ||||
Spectral class | A0 (white) | PmRA | 0.00 | PmDE | -6.0 | SAO | 86242 | ||||
HIP | 91252 | Tycho2 | 1582-01472-1 | HD | 171973 | BD | BD+21 3495 |
Tycho2 | 1582-01472-1 | Pflag | RAmdeg | 279.20006927 | DEmdeg | 21.33399813 | |||||
PmRA | -0.3 | PmDE | 2.2 | E RAmdeg | 5 | E DEmdeg | 5 | ||||
E pmRA | 1.1 | E pmDE | 1.0 | EpRAm | 1991.21 | EpDEm | 1991.16 | ||||
Num | 11 | Q RAmdeg | 1.0 | Q DEmdeg | 1.2 | Q pmRA | 1.0 | ||||
Q pmDE | 1.3 | BTmag | 8.325 | E BTmag | 0.016 | VTmag | 8.209 | ||||
E VTmag | 0.012 | Prox | 999 | TYC | T | HIP | 91252 | ||||
CCDM | AB | RAdeg | 279.20007000 | DEdeg | 21.33399306 | EpRA 1990 | 1.58 | ||||
EpDE 1990 | 1.58 | E RAdeg | 5.4 | E DEdeg | 5.3 | Posflg | P | ||||
Corr | 0.0 |
SAO | 86242 | DelFlag | RA1950 | PmRA1950 | -0.0005 | ||||||
DE1950 | PmDE1950 | 0.01 | Vmag | 8.3 | SpType | A0 | |||||
Double code | Source | 35 | CatNum | 6567 | DM | BD+21 3495 | |||||
DMcomp | BDsup | HD | 171973 | M HD | 0 | ||||||
GC | RA1950rad | 4.86364779 | DE1950rad | 0.3715947 | PmRA2000 | -0.0004 | |||||
PmDE2000 | 0.01 |
Catalog | H | HIP | 91252 | Proxy | H | RAhms | 18 36 48.02 | ||||
DEdms | +21 20 02.4 | Vmag | 8.2 | VarFlag | R Vmag | H | |||||
RAdeg | 279.2 | DEdeg | 21.334 | AstroRef | * | Plx | 1.18 | ||||
CCDM | 18368+2120 | N CCDM | I | Nsys | 1 | Ncomp | 2 | ||||
MultFlag | C | Source | S | Qual | A | M HIP | AB | ||||
Theta | 136 | Rho | 0.174 | HD | 171973 | BD | BD+21 3495 | ||||
CD | CP | Dm number | +21 3495 | VIred | 0.05 | ||||||
SpType | A0 | R SpType | Coord arcsec 2000 | 183648.02+212002.4 |
HIP | 91252 | Sn | 55 | So | 3 | Nc | 2 | ||||
RArad | 4.8729604799 | DErad | 0.3723484806 | Plx | 1.42 | PmRA | 0.51 | ||||
PmDE | 2.04 | E RArad | 0.53 | E DErad | 0.54 | E Plx | 0.91 | ||||
E pmRA | 0.67 | E pmDE | 0.74 | Hpmag | 8.2424 | E Hpmag | 0.0013 | ||||
SHp | 0.013 | VA | 0 | BV | 0.089 | E BV | 0.013 | ||||
VI | 0.1 |
Ccdm | 18368+2120 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | 0.02 | DDEs | 1.8 | ||||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 2 | Vmag | 8.9 | Sp | A0 | PmNote | * | ||||
PmRA | 2 | PmDE | -8 | Dm number | +21 3495 | Cat1 | BD | ||||
Name2 | +21 1871 | Cat2 | AGK2/3 | HD | 171973 | M HD | |||||
ADS BDS | A11501 | M ADS BDS | N IDS | IDS | 18325N2115A | ||||||
HIC | 91252 |
Componente originario normalizzato | AB | Coord arcsec 2000 | 183648.03+212002.2 | Mag | 9.35 | Calc delta mag | 0.62 | ||||
Calc coord | yes |
Ccdm | 18368+2120 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | HU 323 | DRAs | DDEs | |||||||
R dRAs | Year | 1943 | Theta | 168 | Rho | 0.2 | |||||
Obs | 4 | Vmag | 10.2 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A11501 | M ADS BDS | N | N IDS | IDS | 18325N2115B | |||||
HIC | 91252 |