Coord 2000 | 20594+3626 | Discov num | HU 764 | Comp | Coord arcsec 2000 | 20 59 23.14 +36 25 43.8 | |||||
Date first | 1904 | Date last | 2008 | Obs | 19 | ||||||
Pa first | 188 | Pa last | 190.3 | P.A. Now (θ) | 190.3° | ||||||
Sep first | 0.3 | Sep last | 0.38 | Sep. Now (ρ) | 0.38" | ||||||
Mag pri | 8.24 | Mag sec | 9.94 | delta mag (ΔM) | 1.7 | Spectral class | B9 (blue-white) | ||||
Pri motion ra | -004 | Sec motion ra | |||||||||
Pri motion dec | +024 | Sec motion dec | |||||||||
Notes |
Name | HD 199987 | Constellation | Cygnus | SAO | 70765 | HIP | 103594 | ||||
Tycho2 | 2700-02427-1 | Gaia DR2 | 1871328486504460800 | HD | 199987 | BD | BD+35 4344 | ||||
Distance | 520.83 | Distance ly | 1698.95 |
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 |
20594+3626 | HU 764 | 1991 | 18 | 194 | 0.4 | 8.24 | 9.94 | B9 | D | 205923.14+362543.8 | |
20594+3626 | HU 764 | 2008 | 19 | 190 | 0.4 | 8.24 | 9.94 | B9 | D | 205923.14+362543.8 |
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=188.3° sep=0.38" |
Componente originario normalizzato | AB | Name | HD 199987 | Coord arcsec 2000 | 205923.14+362543.8 | Mag | 8.24 | ||||
Spectral class | B9 (blue-white) | PmRA | -4.00 | PmDE | 24.0 | SAO | 70765 | ||||
HIP | 103594 | Tycho2 | 2700-02427-1 | HD | 199987 | BD | BD+35 4344 |
Tycho2 | 2700-02427-1 | Pflag | RAmdeg | 314.84645867 | DEmdeg | 36.42882891 | |||||
PmRA | 12.4 | PmDE | 3.3 | E RAmdeg | 5 | E DEmdeg | 4 | ||||
E pmRA | 1.1 | E pmDE | 1.1 | EpRAm | 1991.38 | EpDEm | 1991.59 | ||||
Num | 12 | Q RAmdeg | 1.0 | Q DEmdeg | 1.0 | Q pmRA | 0.9 | ||||
Q pmDE | 1.1 | BTmag | 8.116 | E BTmag | 0.015 | VTmag | 8.031 | ||||
E VTmag | 0.011 | Prox | 999 | TYC | T | HIP | 103594 | ||||
CCDM | AB | RAdeg | 314.84642306 | DEdeg | 36.42882139 | EpRA 1990 | 1.71 | ||||
EpDE 1990 | 1.81 | E RAdeg | 4.8 | E DEdeg | 4.4 | Posflg | P | ||||
Corr | 0.1 |
SAO | 70765 | DelFlag | RA1950 | PmRA1950 | 0.0001 | ||||||
DE1950 | PmDE1950 | -0.003 | Vmag | 8 | SpType | B9 | |||||
Double code | Source | 5 | CatNum | 2113 | DM | BD+35 4344 | |||||
DMcomp | BDsup | HD | 199987 | M HD | 0 | ||||||
GC | RA1950rad | 5.48646396 | DE1950rad | 0.63238871 | PmRA2000 | 0.0003 | |||||
PmDE2000 | -0.006 |
Catalog | H | HIP | 103594 | Proxy | H | RAhms | 20 59 23.14 | ||||
DEdms | +36 25 43.8 | Vmag | 8 | VarFlag | R Vmag | H | |||||
RAdeg | 314.846 | DEdeg | 36.4288 | AstroRef | A | Plx | 1.77 | ||||
CCDM | 20594+3626 | N CCDM | I | Nsys | 1 | Ncomp | 2 | ||||
MultFlag | C | Source | Qual | A | M HIP | AB | |||||
Theta | 194 | Rho | 0.385 | HD | 199987 | BD | BD+35 4344 | ||||
CD | CP | Dm number | +35 4344 | VIred | 0.07 | ||||||
SpType | B9 | R SpType | Coord arcsec 2000 | 205923.14+362543.8 |
HIP | 103594 | Sn | 15 | So | 3 | Nc | 2 | ||||
RArad | 5.4951067395 | DErad | 0.6358030701 | Plx | 1.92 | PmRA | 12.22 | ||||
PmDE | 3.75 | E RArad | 0.46 | E DErad | 0.66 | E Plx | 0.8 | ||||
E pmRA | 0.51 | E pmDE | 0.65 | Hpmag | 8.037 | E Hpmag | 0.001 | ||||
SHp | 0.013 | VA | 0 | BV | 0.093 | E BV | 0.01 | ||||
VI | 0.11 |
Ccdm | 20594+3626 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | -0.91 | DDEs | -14.9 | ||||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 2 | Vmag | 8.0 | Sp | B9 | PmNote | * | ||||
PmRA | -1 | PmDE | 29 | Dm number | +35 4344 | Cat1 | BD | ||||
Name2 | +36 2113 | Cat2 | AGK2/3 | HD | 199987 | M HD | |||||
ADS BDS | A14512 | M ADS BDS | N IDS | IDS | 20554N3602A | ||||||
HIC | 103594 |
Componente originario normalizzato | AB | Coord arcsec 2000 | 205923.14+362543.4 | Mag | 9.94 | Calc delta mag | 1.7 | ||||
Calc coord | yes |
Ccdm | 20594+3626 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | HU 764 | DRAs | DDEs | |||||||
R dRAs | Year | 1951 | Theta | 198 | Rho | 0.4 | |||||
Obs | 9 | Vmag | 9.2 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A14512 | M ADS BDS | N IDS | IDS | 20554N3602B | ||||||
HIC | 103594 |