5 Aquilae: Difference between revisions
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{{Starbox catalog | |
{{Starbox catalog | |
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names=[[New Catalogue of Suspected Variable Stars|NSV]] 24583, [[Bright Star Catalogue|HR]] 7059, [[Henry Draper Catalogue|HD]] 173654, [[Smithsonian Astrophysical Observatory Star Catalog|SAO]] 142606, [[Durchmusterung|BD]] -01° 3559 A, [[Washington Double Star Catalog|WDS]] 18465-0058B, [[Hipparcos Catalogue|HIP]] 92117, [[Catalog of Components of Double and Multiple Stars|CCDM]] 18465-0058, [[Boss General Catalogue|GC]] 25713 |
names=[[New Catalogue of Suspected Variable Stars|NSV]] 24583, [[Bright Star Catalogue|HR]] 7059, [[Henry Draper Catalogue|HD]] 173654, [[Smithsonian Astrophysical Observatory Star Catalog|SAO]] 142606, [[Durchmusterung|BD]] -01° 3559 A, [[Washington Double Star Catalog|WDS]] 18465-0058B, [[Hipparcos Catalogue|HIP]] 92117, [[Catalog of Components of Double and Multiple Stars|CCDM]] 18465-0058, [[Boss General Catalogue|GC]] 25713 }} |
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{{Starbox reference | |
{{Starbox reference | |
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Simbad=HD+173654 |
Simbad=HD+173654 |
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[[Category:Aquila constellation]] |
[[Category:Aquila constellation]] |
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[[Category:HD and HDE objects]] |
[[Category:HD and HDE objects|173654]] |
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[[Category: |
[[Category:HIP objects|92117]] |
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[[Category:HR objects|7059]] |
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[[Category:Spectroscopic binaries]] |
[[Category:Spectroscopic binaries]] |
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{{Binary-star-stub}} |
{{Binary-star-stub}} |
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Revision as of 07:33, 16 December 2009
5 Aquilae | |
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Aquila |
| Right ascension | 18h 46m 28.5s |
| Declination | -0° 57' 42 |
| Apparent magnitude (V) | 5.9 |
| Characteristics | |
| Spectral type | A2Vn |
| U−B color index | 0.12 |
| B−V color index | 0.13 |
| Astrometry | |
| Radial velocity (Rv) | 17 km/s |
| Proper motion (μ) | RA: 20.0 mas/yr Dec.: -21.79 mas/yr |
| Parallax (π) | 12.62 ± 0 mas |
| Distance | 258 ± 0 ly (79 ± 0 pc) |
| Absolute magnitude (MV) | 6.2 |
| Details | |
| Mass | 3,1 M☉ |
| Radius | 2,1 R☉ |
| Luminosity | 40 L☉ |
| Temperature | 7,500–10,000 K |
| Metallicity | ? |
| Rotation | =<25 km/s (uncertain) (variable) 0,01165897694375 Year |
| Age | ? years |
| Orbit | |
| Companion | 5 Aquilae a |
| Semi-major axis (a) | 0,1″ |
| Inclination (i) | 322° |
| Orbit | |
| Companion | 5 Aquilae B |
| Semi-major axis (a) | 12.9″ |
| Inclination (i) | 121° |
| Orbit | |
| Companion | 5 Aquilae C |
| Semi-major axis (a) | 24.8″ |
| Inclination (i) | 146° |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Data sources: | |
| Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) | |
5 Aquilae is a star in the constellation Aquila. Its apparent magnitude is 5.89. "A suspected spectroscopic binary, now resolved by speckle interferometry." [1]