39 Aquarii
catalogues and names
| catalogues and names | NSV 14068, 39 Aqr, HR 8462, HD 210705, SAO 164923, BD -14 6229 |
| constellation | Aquarius |
data from The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) (Hoffleit+, 1991)
position, motion, parallax:
| position (J2000) | RA: 22h 12min 25.8sec | DEC: -14° 11' 38'' | ||
| position (B1900) | RA: 22h 7min 2.2sec | DEC: -14° 41' 11'' | ||
| proper motion (J2000) | RA: 0.028 arcsec/a | DEC: -0.042 arcsec/a | ||
| radial velocity | 15 km/s note: suspected variable radial velocity |
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| galactic coordinates | longitude: 44.03° | latitude: -50.82° | ||
magnitude
| visual magnitude | 6.03 (V on UBV Johnson system) |
spectral / color information
| spectral class | F2V |
| B-V-magnitude | 0.38 |
| U-B-magnitude | 0 |
variability information
| variable star identification | 14068 |
data from SKY2000 - Master Star Catalog (Myers+ 1997)
position, motion, parallax:
| position (J2000) | RA: 22h 12min 25.756sec | DEC: -14° 11' 38.19'' | ±0.19 arcsec | source: 16 |
| proper motion (J2000) | RA: 0.002 arcsec/a | DEC: -0.042 arcsec/a | source: 25 | |
| radial velocity | 15 km/s | source: 25 | ||
| galactic coord. (B1950) | longitude: 44.04° | latitude: -50.82° | ||
magnitude:
| visual | 6.03 (observed) | source: 25 |
| photovisual | 6.4 | source: 16 |
| photographic | 6.5 | source: 2 |
spectral information:
| spectral class | F0 | source: 96 | |
| Morgan-Keenan | F2V | source: 25 | |
| B-magnitude | 6.41 ±0.05 | B-V-magnitude | 0.38 |
| U-magnitude | 6.41 ±0.05 | U-B-magnitude | 0 |
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 | |
| 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: 22h 9min 44.078sec | DEC: -14° 26' 26.99'' | ±0.018 arcsec |
| position (J2000) | RA: 22h 12min 25.754sec | DEC: -14° 11' 37.8'' | |
| proper motion B1950 (FK4) | RA: 0.0017 arcsec/a | DEC: -0.039 arcsec/a | ±0.003 arcsec/a in RA ±0.003 arcsec/a in DEC |
| proper motion J2000 (FK5) | RA: 0.0019 arcsec/a | DEC: -0.042 arcsec/a | |
| source of proper motion data | Determined by source catalog | ||
magnitude:
| visual | 6.2 (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. |
catalogues
| source catalogue | GC, catalogue number: 31061 |
| Durchmusterung | BD-14 6229 |
| Boss General Catalogue | 31061 |
| Henry Draper Catalogue | 210705 |
data from Combined General Catalogue of Variable Stars (suspected variables) (Kholopov+ 1998)
position:
| position (equinox 1950.0) | RA: 22h 9min 44.1sec | DEC: -14° 26' 27'' |
variability informations:
| magnitute at max. brightness | 6.02 |
| magnitute at min. brightness | 6.07 |
| photometric system | visual, photovisual or Johnson's V |
spectral information
| spectral class | F2 |
references
| to a study | 0807D (designation: 120G AQR) |