Coord 2000 | 20113-0049 | Discov num | MKT 10 | Comp | Aa,Ab | Coord arcsec 2000 | 20 11 18.26 -00 49 17.3 | ||||
Date first | 1990 | Date last | 2020 | Obs | 30 | ||||||
Pa first | 57 | Pa last | 88.2 | P.A. Now (θ) | 88.2° | ||||||
Sep first | 0.0 | Sep last | 0.005 | Sep. Now (ρ) | 0.005" | ||||||
Mag pri | 3.50 | Mag sec | 5.00 | delta mag (ΔM) | 1.5 | Spectral class | B9.5III (blue-white) | ||||
Pri motion ra | +035 | Sec motion ra | |||||||||
Pri motion dec | +006 | Sec motion dec | |||||||||
Notes | N O (See Notes, Orbital solution) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 144150 | 20 11 18 -00 49 17 | MKT 10 Aa,Ab | 2020 | 30 | 88 | 0.0 | 3.50 | 5.00 | 1.50 | Y | <=== | |
Show | The Aql | 144150 | 20 11 18 -00 49 17 | ISO 12 Aa,Ac | 1987 | 1 | 44 | 1.0 | 3.23 | ||||
Show | 144150 | 20 11 18 -00 49 17 | BU 1540 AB | 2008 | 4 | 259 | 115.8 | 3.23 | 13.00 | 9.77 |
Constellation | Aquila | SAO | 144150 | HIP | 99473 | Tycho2 | 5161-02682-1 | ||||
HD | 191692 | HR | 7710 | GC | 28010 | BD | BD-01 3911 | ||||
Bayer | Theta Aquilae | Bayer name | The Aql | Flamsteed | 65 Aquilae | Flamsteed name | 65 Aql | ||||
FK5 | 756 | Distance | 87.8 | Distance ly | 286.4 | Bayer greek | θ Aql |
Period (P) | 17.122d | ± 0.001 | Periastron (T) | 47801.7d (1989.752y) | ± 0.1 | Semi-major axis (a) | 3.2m | ± 0.1 |
Eccentricity (e) | 0.6 | ± 0.02 | Inclination (i) | 143.5° | ± 3 | Longitude of periastron (ω) | 215° | ± 10 |
Node (Ω) | 99° | ± 5 | Notes | n | Reference | MkT1995 | ||
Equinox | 2000 | Last observation | 1992 | Grade | 1 | (1=Definitive, 9=Indet.) |
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Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st. |
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Measures: green=micrometric, blue=interferometric, purple=photographic |
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discov_num | notes | refcode |
ISO 12 | the Aql = 65 Aql. A is a spectroscopic binary, P = 17.12d. | |
The Aa,Ab pair cannot be this object. | ||
BU 1540 | AB: Incorrectly identified as H 6 27 in BDS. Error noted by MacEvoy. | McE2010 |
MKT 10 | the Aql. | |
Visual orbit by Hummel et al. (1995) based on astrometry from Mark III | MkT1995 | |
interferometer. Additional spectroscopic data yield component masses, | ||
luminosities, radii, effective temperatures, and distance. | ||
Pourbaix gives combined solution for this resolved SB2, yielding | Pbx2000b | |
orbital parallaxes and component masses. | ||
Hipparcos astrometric solution adopted some elements from the orbit of | HIP1997d | |
Hummel et al. (1995). | MkT1995 | |
Aa,Ab: Malkov et al. (2012) derive dynamical, photometric, and | ||
spectroscopic masses 10.09 +/- 0.66, 9.08, and 2.88 Msun, respectively. | Mlk2012 | |
Ma,Mb = 3.564 +/- 0.049, 2.739 +/- 0.037 \msun. | ||
Ra,Rb = 4.76 +/- 0.14, 2.34 +/- 0.07 \rsun. | ||
Teff_a,Teff_b = 10300 +/- 200, 10230 +/- 220 K. | ||
La,Lb = 229.8 +/- 22.5, 54.0 +/- 5.8 \lsun. distance = 76.3 +/- 0.3 pc. | CIA2022e |
refcode | metd | author | reference |
CIA2022e | Kc+ j | Lester, K.V., Schaefer, G.H., Fekel, F.C., Gies, D.R., Henry, T.J., Jao, W.-C., | 2022AJ...164...228L |
CIA2022e | +orb | Paredes, L.A., Hubbard-James, H.-S., Farrington, C.D., Gordon, K.D., Chojnowski, | |
CIA2022e | S.D., Monnier, J.D., Kraus, S., Le Bouquin, J.-B., Anugu, N., ten Brummelaar, T., | ||
CIA2022e | Davies, C.L., Gardner, T., Labdon, A., Lanthermann, C. & Setterholm, B.R. | ||
CIA2022e | AJ 164, 228, 2022 | ||
HIP1997d | orb - | Hipparcos | 1997yCat.1239....0E |
HIP1997d | Hipparcos Catalog, ESA SP-1200, 1997 | ||
HIP1997d | (DMSA/O Orbital Solutions) | ||
MkT1995 | Km j | Hummel, C.A., Armstrong, J.T., Buscher, D.F., Mozurkewich, D., Quirrenbach, A., & | 1995AJ....110..376H |
MkT1995 | +orb | Vivekanand, M. | |
MkT1995 | AJ 110, 376, 1995 | ||
Mlk2012 | not - | Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. | 2012A&A...546A..69M |
Mlk2012 | A&A 546, A69, 2012 | ||
Pbx2000b | orb - | Pourbaix, D. | 2000A&AS..145..215P |
Pbx2000b | A&AS 145, 215, 2000 |
idgroup | discov | author |
1 | BU | Burnham, S.W. (BU 1 - 81) |
179 | ISO | Isobe, S., Norimoto, Y., Noguchi, M., Ohtsubo, J., Baba, N., Miura, N., |
179 | ISO | Yanaka, H., & Tanaka, T. |
180 | ISO | Isobe, S., Norimoto, Y., Noguchi, M., Ohtsubo, J., Baba, N., Miura, N., |
180 | ISO | Yanaka, H., & Tanaka, T. |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
20113-0049 | MKT 10 | Aa,Ab | 1992 | 21 | 179 | 0.0 | 3.23 | B9.5III | NO | 201118.26-004917.3 | |
20113-0049 | MKT 10 | Aa,Ab | 2020 | 30 | 88 | 0.0 | 3.50 | 5.00 | B9.5III | NO | 201118.26-004917.3 |
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 | Ab | Ac | |
Ab | pa=88.2° sep=0.00" | ||
Ac | pa=44.0° sep=1.02" | pa=43.8° sep=1.02" | |
B | pa=259.3° sep=115.79" | pa=259.3° sep=115.79" | pa=259.0° sep=116.62" |
Coord arcsec 2000 | 201118.26-004917.3 | Mag | 3.23 | Spectral class | B9.5III (blue-white) | PmRA | 35.00 | ||||
PmDE | 6.0 | SAO | 144150 | HIP | 99473 | Tycho2 | 5161-02682-1 | ||||
HD | 191692 | HR | 7710 | GC | 28010 | BD | BD-01 3911 | ||||
Bayer | Theta Aquilae | Bayer name | The Aql | Flamsteed | 65 Aquilae | Flamsteed name | 65 Aql | ||||
FK5 | 756 |
Tycho2 | 5161-02682-1 | Pflag | X | RAmdeg | DEmdeg | ||||||
PmRA | PmDE | E RAmdeg | E DEmdeg | ||||||||
E pmRA | E pmDE | EpRAm | EpDEm | ||||||||
Num | Q RAmdeg | Q DEmdeg | Q pmRA | ||||||||
Q pmDE | BTmag | 3.156 | E BTmag | 0.014 | VTmag | 3.208 | |||||
E VTmag | 0.009 | Prox | 999 | TYC | T | HIP | 99473 | ||||
CCDM | RAdeg | 302.82610861 | DEdeg | -0.82147528 | EpRA 1990 | 1.74 | |||||
EpDE 1990 | 1.26 | E RAdeg | 3.2 | E DEdeg | 3.4 | Posflg | |||||
Corr | -0.1 |
SAO | 144150 | DelFlag | RA1950 | PmRA1950 | 0.0024 | ||||||
DE1950 | PmDE1950 | 0.007 | Vmag | 3.4 | SpType | A0 | |||||
Double code | Source | 74 | CatNum | 756 | DM | BD-01 3911 | |||||
DMcomp | BDsup | HD | 191692 | M HD | 0 | ||||||
GC | 28010 | RA1950rad | 5.27405728 | DE1950rad | -0.01694937 | PmRA2000 | 0.0026 | ||||
PmDE2000 | 0.005 |
Catalog | H | HIP | 99473 | Proxy | RAhms | 20 11 18.26 | |||||
DEdms | -00 49 17.3 | Vmag | 3.24 | VarFlag | R Vmag | G | |||||
RAdeg | 302.826 | DEdeg | -0.821476 | AstroRef | + | Plx | 11.36 | ||||
CCDM | 20113-0049 | N CCDM | I | Nsys | 1 | Ncomp | 1 | ||||
MultFlag | O | Source | Qual | M HIP | |||||||
Theta | Rho | HD | 191692 | BD | BD-01 3911 | ||||||
CD | CP | Dm number | -01 3911 | VIred | -0.06 | ||||||
SpType | B9.5III | R SpType | Coord arcsec 2000 | 201118.26-004917.3 |
HIP | 99473 | Sn | 75 | So | 4 | Nc | 1 | ||||
RArad | 5.2853125576 | DErad | -0.0143374561 | Plx | 11.39 | PmRA | 35.26 | ||||
PmDE | 5.71 | E RArad | 0.22 | E DErad | 0.12 | E Plx | 0.24 | ||||
E pmRA | 0.35 | E pmDE | 0.18 | Hpmag | 3.2245 | E Hpmag | 0.0004 | ||||
SHp | 0.004 | VA | 0 | BV | -0.066 | E BV | 0.008 | ||||
VI | -0.06 |
Ccdm | 20113-0049 | RComp | Comp | A | Note1 | ||||||
Note2 | % | Discov num | DRAs | 0.27 | DDEs | -17.2 | |||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 2 | Vmag | 3.4 | Sp | A0 | PmNote | * | ||||
PmRA | 35 | PmDE | 7 | Dm number | -01 3911 | Cat1 | BD | ||||
Name2 | 144150 | Cat2 | SAO | HD | 191692 | M HD | |||||
ADS BDS | B 9960 | M ADS BDS | N IDS | IDS | 20061S0107A | ||||||
HIC | 99473 |
Coord arcsec 2000 | 201118.26+004917.3 | Mag | 5 | Calc delta mag | 1.5 | Calc coord | yes |
Coord arcsec 2000 | 201118.31+004918.0 | Calc delta mag | 3.5 | Calc coord | yes |
Coord arcsec 2000 | 201110.67+004855.8 | Mag | 13 | PmRA | 19.00 | PmDE | -3.0 | ||||
Calc delta mag | 9.5 | Calc coord | yes |
Ccdm | 20113-0049 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | H 27 | DRAs | DDEs | |||||||
R dRAs | Year | 1901 | Theta | 260 | Rho | 113.7 | |||||
Obs | 1 | Vmag | 13.0 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | B 9960 | M ADS BDS | N | N IDS | IDS | 20061S0107B | |||||
HIC |