Coord 2000 | 17450-1646 | Discov num | VOU 42 | Comp | Coord arcsec 2000 | 17 44 59.25 -16 45 46.5 | |||||
Date first | 1937 | Date last | 2019 | Obs | 13 | ||||||
Pa first | 73 | Pa last | 311.3 | P.A. Now (θ) | 311.3° | ||||||
Sep first | 0.2 | Sep last | 0.246 | Sep. Now (ρ) | 0.246" | ||||||
Mag pri | 8.62 | Mag sec | 9.17 | delta mag (ΔM) | 0.55 | Spectral class | A9III (white) | ||||
Pri motion ra | +008 | Sec motion ra | |||||||||
Pri motion dec | +004 | Sec motion dec | |||||||||
Notes | N (See Notes) |
Name | HD 161227 | Constellation | Sagittarius | SAO | 160798 | HIP | 86875 | ||||
Tycho2 | 6249-00995-1 | Gaia DR2 | 4123849927791444480 | HD | 161227 | BD | BD-16 4610 | ||||
Distance | 204.92 | Distance ly | 668.45 |
discov_num | notes | refcode |
VOU 42 | Spectrum: Fm Delta Del. |
refcode | metd | author | reference |
Vou1908 | orb - | Voute, J.G. | 1908MNRAS..68..563V |
Vou1908 | MNRAS 68, 563, 1908 | ||
Vou1911 | Ma - | Voute, J.G. | 1911AN....190....1V |
Vou1911 | AN 190, 1, 1911 (also published in Vou1922) | ||
Vou1915 | Ma j | Voute, J.G. | 1915CiUO...27..205V |
Vou1915 | Union Obs. Johannesburg Circ. 27, 205, 1915 | ||
Vou1918 | Ma j | Voute, J.G. | 1918MNRAS..75..432V |
Vou1918 | +Pa | MNRAS 75, 432, 1918 | |
Vou1918 | (most micrometrical measures are also in Vou1925a, all photographic measures are | ||
Vou1918 | also in Vou1925b) | ||
Vou1918b | Ma - | Voute, J.G. | 1918MNRAS..78..683V |
Vou1918b | +Pa | MNRAS 78, 683, 1918 (measures are also in Vou1925a) | |
Vou1919 | Ma j | Voute, J.G. | 1919AnLei..10B...1V |
Vou1919 | Ann. Leiden Obs. 10, Pt.2, 1919 | ||
Vou1922 | Ma - | Voute, J.G. | 1922AnLei..102...1V |
Vou1922 | Ann. Leiden Obs. 10, Pt.2, 1922 | ||
Vou1924 | orb - | Voute, J.G. | 1924BAN.....2..181V |
Vou1924 | BAN 2, 181, 1924 | ||
Vou1925a | Ma j | Voute, J.G. | 1925AnBos...1....3V |
Vou1925a | Ann. Bosscha Obs. Lembang 1, Pt.3, 1925 (most measures are also in Vou1918) | ||
Vou1925b | Pa - | Voute, J.G. | 1925AnBos...1....3V |
Vou1925b | +Po | Ann. Bosscha Obs. Lembang 1, Appendix, 1925 (all measures are also in Vou1918) | |
Vou1926 | Ma j | Voute, J.G. | 1926AnBos...1....3V |
Vou1926 | +Po | Ann. Bosscha Obs. Lembang 1, Pt.2, 1926 | |
Vou1927A | Ma - | Voute, J.G. | 1927sdsc.book...... |
Vou1927A | cited in SDS (Southern Double Star Catalog), 1927 | ||
Vou1932 | Ma j | Voute, J.G. | 1932AnBos...6....3V |
Vou1932 | Ann. Bosscha Obs. Lembang 6, Pt.1, A1, 1932 | ||
Vou1946 | orb - | Voute, J.G. | . |
Vou1946 | Riverview Coll. Obs. Pub. 2, 43, 1946 | ||
Vou1947a | Ma j | Voute, J.G., Terkule, Strand, K., van den Bos, W., Wallenquist, A., van Dissel, | 1947AnBos...6....3V |
Vou1947a | +Po | Janssen, & Witlox | |
Vou1947a | Ann. Bosscha Obs. Lembang 6, Pt.3, C1, 1947 | ||
Vou1947b | Ma j | Voute, J.G. | 1947AnBos...6....1V |
Vou1947b | Ann. Bosscha Obs. Lembang 6, Pt.4, D1, 1947 | ||
Vou1951 | Ma - | Voute, J.G. | 1951RA......2..319V |
Vou1951 | Vatican Obs. Richerche Astron. 2, 319, 1951 | ||
Vou1955 | Ma j | Voute, J.G. | 1955JO.....38..109V |
Vou1955 | +Po | J. Obs. 38, 109, 1955 (a few errata noted in Vou1956) | |
Vou1956 | Ma - | Voute, J.G. | 1956JO.....39..116V |
Vou1956 | J. Obs. 39, 116, 1956 | ||
Vou9999 | Ma j | Voute, J.G. | ................... |
Vou9999 | +Po | Unpublished, manuscript or reference not found. |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
17450-1646 | VOU 42 | 1991 | 11 | 344 | 0.2 | 8.62 | 9.17 | N | 174459.25-164546.5 | ||
17450-1646 | VOU 42 | 2017 | 12 | 314 | 0.2 | 8.62 | 9.17 | A9III | N | 174459.25-164546.5 | |
17450-1646 | VOU 42 | 2019 | 13 | 311 | 0.2 | 8.62 | 9.17 | A9III | N | 174459.25-164546.5 |
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=312.5° sep=0.24" |
Componente originario normalizzato | AB | Name | HD 161227 | Coord arcsec 2000 | 174459.25-164546.5 | Mag | 8.62 | ||||
Spectral class | A9III (white) | PmRA | 8.00 | PmDE | 4.0 | SAO | 160798 | ||||
HIP | 86875 | Tycho2 | 6249-00995-1 | HD | 161227 | BD | BD-16 4610 |
Tycho2 | 6249-00995-1 | Pflag | RAmdeg | 266.24686296 | DEmdeg | -16.76292013 | |||||
PmRA | -0.1 | PmDE | 3.8 | E RAmdeg | 8 | E DEmdeg | 8 | ||||
E pmRA | 1.5 | E pmDE | 1.4 | EpRAm | 1990.92 | EpDEm | 1990.79 | ||||
Num | 8 | Q RAmdeg | 0.6 | Q DEmdeg | 1.4 | Q pmRA | 0.7 | ||||
Q pmDE | 1.4 | BTmag | 8.596 | E BTmag | 0.019 | VTmag | 8.093 | ||||
E VTmag | 0.015 | Prox | 999 | TYC | T | HIP | 86875 | ||||
CCDM | AB | RAdeg | 266.24686278 | DEdeg | -16.76292861 | EpRA 1990 | 1.83 | ||||
EpDE 1990 | 1.75 | E RAdeg | 7.7 | E DEdeg | 8.4 | Posflg | P | ||||
Corr | 0.2 |
SAO | 160798 | DelFlag | RA1950 | PmRA1950 | 0.0014 | ||||||
DE1950 | PmDE1950 | 0 | Vmag | 8.8 | SpType | F0 | |||||
Double code | Source | 21 | CatNum | 6386 | DM | BD-16 4610 | |||||
DMcomp | BDsup | HD | 161227 | M HD | 0 | ||||||
GC | RA1950rad | 4.63424389 | DE1950rad | -0.29222219 | PmRA2000 | 0.0015 | |||||
PmDE2000 | 0.002 |
Catalog | H | HIP | 86875 | Proxy | H | RAhms | 17 44 59.25 | ||||
DEdms | -16 45 46.5 | Vmag | 8.01 | VarFlag | R Vmag | H | |||||
RAdeg | 266.247 | DEdeg | -16.7629 | AstroRef | * | Plx | 5.07 | ||||
CCDM | 17450-1646 | N CCDM | I | Nsys | 1 | Ncomp | 2 | ||||
MultFlag | C | Source | Qual | A | M HIP | AB | |||||
Theta | 344 | Rho | 0.233 | HD | 161227 | BD | BD-16 4610 | ||||
CD | CP | Dm number | -16 4610 | VIred | 0.57 | ||||||
SpType | Fm | R SpType | Coord arcsec 2000 | 174459.25-164546.5 |
HIP | 86875 | Sn | 55 | So | 3 | Nc | 2 | ||||
RArad | 4.646884357 | DErad | -0.2925682489 | Plx | 4.88 | PmRA | 0.51 | ||||
PmDE | 5.72 | E RArad | 0.91 | E DErad | 0.63 | E Plx | 1 | ||||
E pmRA | 1.22 | E pmDE | 0.86 | Hpmag | 8.1108 | E Hpmag | 0.0023 | ||||
SHp | 0.011 | VA | 0 | BV | 0.482 | E BV | 0.019 | ||||
VI | 0.55 |
Ccdm | 17450-1646 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | -0.66 | DDEs | 13.1 | ||||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 2 | Vmag | 8.9 | Sp | F0 | PmNote | * | ||||
PmRA | 20 | PmDE | 0 | Dm number | -16 4610 | Cat1 | BD | ||||
Name2 | 160798 | Cat2 | SAO | HD | 161227 | M HD | |||||
ADS BDS | M ADS BDS | N IDS | IDS | 17392S1643A | |||||||
HIC | 86875 |
Componente originario normalizzato | AB | Coord arcsec 2000 | 174459.24-164546.3 | Mag | 9.17 | Calc delta mag | 0.55 | ||||
Calc coord | yes |
Ccdm | 17450-1646 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | VOU 42 | DRAs | DDEs | |||||||
R dRAs | Year | 1958 | Theta | 032 | Rho | 0.2 | |||||
Obs | 4 | Vmag | 9.1 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | M ADS BDS | N IDS | IDS | 17392S1643B | |||||||
HIC | 86875 |