Coord 2000 | 18028-2705 | Discov num | HLD 32 | Comp | AB | Coord arcsec 2000 | 18 02 45.04 -27 04 42.4 | ||||
Date first | 1881 | Date last | 2019 | Obs | 19 | ||||||
Pa first | 102 | Pa last | 100.5 | P.A. Now (θ) | 100.5° | ||||||
Sep first | 4.5 | Sep last | 5.2 | Sep. Now (ρ) | 5.2" | ||||||
Mag pri | 8.30 | Mag sec | 9.70 | delta mag (ΔM) | 1.4 | Spectral class | F8/9IV/V (yellow-white) | ||||
Pri motion ra | -049 | Sec motion ra | |||||||||
Pri motion dec | +007 | Sec motion dec | |||||||||
Notes | V (Proper motion indicates physical) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | HD 164538 | 18 02 45 -27 04 42 | HLD 32 AB | 2019 | 19 | 101 | 5.2 | 8.30 | 9.70 | 1.40 | <=== | ||
Show | 18 02 45 -27 04 42 | FOX 218 AC | 1998 | 3 | 67 | 41.9 | 8.30 | 9.70 | 1.40 |
Name | HD 164538 | Constellation | Sagittarius | Tycho2 | 6850-00972-1 | Gaia DR2 | 4063203718272738816 | ||||
HD | 164538 |
refcode | metd | author | reference |
Fox1909 | Ma - | Fox, P. | 1909AN....181..245F |
Fox1909 | AN 181, 245, 1909 (measures are also in Fox1915) | ||
Fox1910 | Ma - | Fox, P. | 1910AJ.....26...87F |
Fox1910 | AJ 26, 87, 1910 (measures are also in Fox1915) | ||
Fox1915 | Ma j | Fox, P. | 1915AnDea...1....1F |
Fox1915 | Ann. Dearborn Obs. 1, 1, 1915 | ||
Fox1915b | Ma j | Fox, P. | 1915AnDea...1...52F |
Fox1915b | Ann. Dearborn Obs. 1, 52, 1915 | ||
Fox1925 | Ma j | Fox, P. | 1925AnDea...2....1F |
Fox1925 | +Ca | Ann. Dearborn Obs. 2, 1, 1925 | |
Fox1946 | Ma - | Fox, P. | 1946AnDea...6....1F |
Fox1946 | +Po | Ann. Dearborn Obs. 6, 1, 1946 | |
Hld1874 | Ma - | Holden, E.S. | . |
Hld1874 | Washington Observations, 1874 | ||
Hld1875 | Ma - | Holden, E.S. | . |
Hld1875 | Washington Observations, 1875 | ||
Hld1875b | Ma j | Holden, E.S. & Newcomb, S. | 1875AN.....86..321H |
Hld1875b | AN 86, 321, 1875 | ||
Hld1875c | Ma j | Holden, E.S. | 1875AN.....86..321H |
Hld1875c | AN 86, 321, 1875 | ||
Hld1876 | Ma - | Holden, E.S. | . |
Hld1876 | Washington Observations, 1876 | ||
Hld1876b | Ma j | Holden, E.S. | 1876AN.....88..131H |
Hld1876b | AN 88, 131, 1876 | ||
Hld1877 | Ma - | Holden, E.S. | 1877AN.....90..161H |
Hld1877 | AN 90, 161, 1877 | ||
Hld1877b | Ma j | Holden, E.S. | 1877AN.....90..161H |
Hld1877b | AN 90, 161, 1877 | ||
Hld1878 | Ma - | Holden, E.S. | . |
Hld1878 | Washington Observations, 1878 | ||
Hld1878b | Ma j | Holden, E.S. | 1878AN.....93...65H |
Hld1878b | AN 93, 65, 1878 (data also in Hld1878) | ||
Hld1879 | Ma - | Holden, E.S. | . |
Hld1879 | Washington Observations, 1879 | ||
Hld1879b | Ma j | Holden, E.S. | 1879AN.....95..329H |
Hld1879b | AN 95, 329, 1879 (data also in Hld1879) | ||
Hld1880 | Ma - | Holden, E.S. | . |
Hld1880 | Washington Observations, 1880 | ||
Hld1880b | Ma j | Holden, E.S. | 1880AN.....97..319H |
Hld1880b | AN 97, 319, 1880 (data also in Hld1880) | ||
Hld1881 | Ma - | Holden, E.S. | . |
Hld1881 | Washington Observations, 1881 | ||
Hld1881b | Ma j | Holden, E.S. | 1881MNRAS..41..416. |
Hld1881b | MNRAS 41, 416, 1881 | ||
Hld1882 | Ma - | Holden, E.S. | 1882PWasO...1...77H |
Hld1882 | Pub. Washburn Obs. 1, 77, 1882 (see Pub. Lick Obs. 2, 1894) | 1894PLicO...2.....B | |
Hld1884 | Ma - | Holden, E.S. | 1884PWasO...2...97H |
Hld1884 | Pub. Washburn Obs. 2, 97, 1884 |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
18028-2705 | HLD 32 | AB | 2001 | 16 | 100 | 5.2 | 8.40 | 9.40 | F7V | DV | 180245.05-270442.5 |
18028-2705 | HLD 32 | AB | 2015 | 17 | 101 | 5.3 | 8.44 | 9.40 | F7V | V | 180245.04-270442.4 |
18028-2705 | HLD 32 | AB | 2019 | 20 | 101 | 5.2 | 8.44 | 9.40 | F7V | V | 180245.04-270442.4 |
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. |
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
|
A | B | |
B | pa=101.8° sep=4.65" | |
C | pa=64.3° sep=38.08" | pa=59.6° sep=34.50" |
Name | HD 164538 | Coord arcsec 2000 | 180245.04-270442.4 | Mag | 8.3 | Spectral class | F8/9IV/V (yellow-white) | ||||
PmRA | -49.00 | PmDE | 7.0 | Tycho2 | 6850-00972-1 | HD | 164538 |
Tycho2 | 6850-00972-1 | Pflag | RAmdeg | 270.68767340 | DEmdeg | -27.07844414 | |||||
PmRA | -59.6 | PmDE | 10.4 | E RAmdeg | 7 | E DEmdeg | 10 | ||||
E pmRA | 2.7 | E pmDE | 2.4 | EpRAm | 1991.78 | EpDEm | 1991.64 | ||||
Num | 3 | Q RAmdeg | 2.7 | Q DEmdeg | 0.1 | Q pmRA | 2.7 | ||||
Q pmDE | 0.1 | BTmag | 9.025 | E BTmag | 0.019 | VTmag | 8.442 | ||||
E VTmag | 0.015 | Prox | 999 | TYC | T | HIP | |||||
CCDM | RAdeg | 270.68782472 | DEdeg | -27.07846778 | EpRA 1990 | 1.86 | |||||
EpDE 1990 | 1.86 | E RAdeg | 7.0 | E DEdeg | 9.8 | Posflg | D | ||||
Corr | 0.0 |
Ccdm | 18028-2705 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | -2.78 | DDEs | 16.6 | ||||||
R dRAs | 66 | Year | Theta | Rho | |||||||
Obs | 4 | Vmag | 8.4 | Sp | G5 | PmNote | |||||
PmRA | PmDE | Dm number | -2712299 | Cat1 | CD | ||||||
Name2 | Cat2 | HD | 164538 | M HD | |||||||
ADS BDS | A10995 | M ADS BDS | N IDS | IDS | 17565S2705A | ||||||
HIC |
Coord arcsec 2000 | 180245.38-270443.3 | Mag | 9.7 | Calc delta mag | 1.4 | Calc coord | yes |
Ccdm | 18028-2705 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | HLD 32 | DRAs | DDEs | |||||||
R dRAs | Year | 1881 | Theta | 101 | Rho | 5.1 | |||||
Obs | 10 | Vmag | 9.4 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A10995 | M ADS BDS | N IDS | IDS | 17565S2705B | ||||||
HIC |
Coord arcsec 2000 | 180247.61-270425.9 | Mag | 9.7 | PmRA | -52.00 | PmDE | 12.0 | ||||
Calc delta mag | 1.4 | Calc coord | yes |
Ccdm | 18028-2705 | RComp | Comp | C | Note1 | ||||||
Note2 | Discov num | FOX 218 | DRAs | 0.30 | DDEs | 32.5 | |||||
R dRAs | 66 | Year | 1909 | Theta | 68 | Rho | 43.3 | ||||
Obs | 1 | Vmag | 11.5 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A10995 | M ADS BDS | N IDS | IDS | 17565S2705C | ||||||
HIC |