83 Aquarii
catalogues and names
| catalogues and names | 83 Aqr, HR 8782, HD 218060, SAO 146498, BD -8 6018, WDS 23052-0742A |
| constellation | Aquarius |
data from The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) (Hoffleit+, 1991)
position, motion, parallax:
| position (J2000) | RA: 23h 5min 9.8sec | DEC: -7° 41' 37'' | ||
| position (B1900) | RA: 22h 59min 56.9sec | DEC: -8° 14' 1'' | ||
| proper motion (J2000) | RA: 0.129 arcsec/a | DEC: 0.011 arcsec/a | ||
| radial velocity | -13 km/s note: spectroscopic binaries |
|||
| rotational velocity | 101 km/s (uncertain) (variable) | |||
| trigonometric parallax | 0.021 arcsec | |||
| galactic coordinates | longitude: 65.67° | latitude: -58.2° | ||
| note (category: dynamical parallaxes): | 0.017". |
magnitude
| visual magnitude | 5.43 (V on UBV Johnson system) |
spectral / color information
| spectral class | F2IV+F0V |
| B-V-magnitude | 0.3 |
| U-B-magnitude | 0.07 |
double/multiple star system information
| number of components of multiple star system | 3 |
| separation | 0.2 arcsec |
| mag difference (of double or brightest multiple) | 0.2 |
| component ID | AB |
| note (category: double and multiple data): | AB 6.2 F2Vn, 6.3 F2V, 21.84y, a = 0.200" or 22.0y, a = 0.20". Combined mag., colors. Component C, 84 Aqr, 7.6v K0 at 262", optical. |
miscellaneous information
| note (category: group membership): | Hyades moving group. |
data from SKY2000 - Master Star Catalog (Myers+ 1997)
position, motion, parallax:
| position (J2000) | RA: 23h 5min 9.809sec | DEC: -7° 41' 37.62'' | ±0.19 arcsec | source: 16 |
| proper motion (J2000) | RA: 0.0089 arcsec/a | DEC: 0.013 arcsec/a | source: 25 | |
| radial velocity | -13 km/s | source: 25 | ||
| trigonometric parallax | 0.021 arcsec | ±0.002 arcsec | source: 25 | |
| galactic coord. (B1950) | longitude: 65.69° | latitude: -58.2° | ||
magnitude:
| visual | 5.43 (observed) | source: 25 |
| photovisual | 5 | source: 16 |
| photographic | 5.8 | source: 2 |
spectral information:
| spectral class | F0 | source: 96 | |
| Morgan-Keenan | F2IV | source: 25 | |
| B-magnitude | 5.73 ±0.05 | B-V-magnitude | 0.3 |
| U-magnitude | 5.8 ±0.05 | U-B-magnitude | 0.07 |
double/multiple star system information:
| magnitude difference between brightest and second brightest component | 0 |
| component | magnitude | spectral class | catalogue(s)/name(s) |
| A | 5.43 | F0 | 83 Aqr, HR 8782, HD 218060, SAO 146498 |
| B | 7.06 | K0 |
sources:
| 2 | HD and HDE Catalogs |
| Cannon, A.J., and E.C. Pickering, Harvard Annals, Vols 91-99, 1918-24, Cambridge, Massachusetts: Harvard University; Cannon, A.J., Harvard Annals, Vol. 100, 1925-36, Cambridge, Massachusetts: Harvard University; and Cannon, A.J., and M. Walton Mayall, Harvard Annals, Vol. 112, 1949, Cambridge, Massachusetts: Harvard University | |
| 16 | PPM North and PPM South Catalogs and PPM Supplement |
| Roser, S., and U. Bastian, "Catalogue of Positions and Proper Motions," A&AS, Vol. 74, p. 449, 1988, and Bastian, U., et al., "Catalogue of Positions and Proper Motions - South," 1993 | |
| 19 | WDS Catalog |
| Worley, C.E., and G.G. Douglass, Washington Catalog of Visual Double Stars 1996.0, United States Naval Observatory, 1996 | |
| 25 | Bright Star Catalogue, 5th edition |
| Hoffleit, D. and Warren, W.H. Jr., The Bright Star Catalogue, 5th Revised Edition, Version 2, 1994 | |
| 96 | SAO or HD/HDE Catalog |
| Reference from Value 1 or Reference from Value 2 | |
data from Smithsonian Astrophysical Observatory Star Catalog (SAO Staff 1966; USNO, ADC 1990)
position and proper motion:
| position (B1950) | RA: 23h 2min 33.367sec | DEC: -7° 57' 50.4'' | ±0.011 arcsec |
| position (J2000) | RA: 23h 5min 9.803sec | DEC: -7° 41' 37.45'' | |
| proper motion B1950 (FK4) | RA: 0.0085 arcsec/a | DEC: 0.015 arcsec/a | ±0.002 arcsec/a in RA ±0.002 arcsec/a in DEC |
| proper motion J2000 (FK5) | RA: 0.0087 arcsec/a | DEC: 0.011 arcsec/a | |
| source of proper motion data | Determined by source catalog | ||
magnitude:
| visual | 5.6 (accuracy: 2 decimals) |
| source of visual magnitude data | Taken from Harvard or San Luis photometry. |
spectral information:
| spectral class | F0 |
| source of spectral data | Taken from the Henry Draper Catalogue or no spectrum in source catalog. |
remarks for duplicity and variability
| Double star in Aitken's Double Star Catalogue (Aitken 1932) |
catalogues
| source catalogue | GC, catalogue number: 32153 |
| Durchmusterung | BD-08 6018 |
| Boss General Catalogue | 32153 |
| Henry Draper Catalogue | 218060 |
data from The Washington Visual Double Star Catalog, 1996.0 (Worley+, 1996)
position and proper motion:
| position (J2000) | RA: 23h 5.2min | DEC: -7° 42' |
| proper motion (J2000) | RA: 0.128 arcsec/a | DEC: 0.009 arcsec/a |
double/multiple star system information:
| component | year | number of measures | position angle | angular separation | magnitude of 1st component | magnitude of 2nd component | spectral class(es) | discoverer code |
| AB | 1902 | often | ° | '' | 6.2 | 6.2 | A9III | A 417 |
| AB-C | 1835 | 6 | 147° | 262.1'' | 5.42 | 7.6 | - | STF 59 |
discoverer information:
| discoverer code | discoverer | reference |
| A 417 | Aitken, R.G. | - |
| STF 59 | Struve, F.G.W. | - |
notes:
| note | 83 Aqr. P = 21.84yr., a = 0.203", motion direct. Alternative spectral type: F2IV+F0V. |
data from 4th Catalog of Orbits of Visual Binaries (Worley+, 1983)
position:
| position (B1900) | RA: 23h 0min | DEC: -8° 14' |
magnitudes, spectral classes, orbital elements:
| author: | W.P. Hirst | R.G. Aitken |
| date of observation: | 1940 | 1931 |
| magnitude of component A: | 6.1 | 6.1 |
| magnitude of component B: | 6.1 | 6.1 |
| spectral class component B: | F2IV | F2IV |
| spectral class component B: | F2IV | F2IV |
| period [y]: | 21.84 | 22 |
| semi-major axis [arcsec]: | 0.2 | 0.2 |
| inclination [deg]: | 44.7 | 42.8 |
| node [deg]: | 18.2 | 20.9 |
| eccentricity: | 0.356 | 0.35 |
| time of periastron passage: | 1917.68 | 1917.9 |
| dates of ephemeris: | 1933-1940 | |
| grade: | definitive | definitive |
| reference: | Mon. Not. R. Astron. Soc. 103, 339; 1944. | Pub. Astron. Soc. Pacific 44, 127; 1932. |
| other name(s) | A 417, 83 Agr |