HR 511
catalogues and names
| catalogues and names | HR 511, HD 10780, SAO 11983, BD +63 238, WDS 01477+6351 |
data from The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) (Hoffleit+, 1991)
position, motion, parallax:
| position (J2000) | RA: 1h 47min 44.8sec | DEC: +63° 51' 8'' | ||
| position (B1900) | RA: 1h 40min 30.5sec | DEC: +63° 21' 32'' | ||
| proper motion (J2000) | RA: 0.582 arcsec/a | DEC: -0.255 arcsec/a | ||
| radial velocity | 3 km/s note: suspected variable radial velocity |
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| trigonometric parallax | 0.107 arcsec | |||
| galactic coordinates | longitude: 129.08° | latitude: 1.66° | ||
magnitude
| visual magnitude | 5.63 (V on UBV Johnson system) |
spectral / color information
| spectral class | K0V |
| B-V-magnitude | 0.81 |
| U-B-magnitude | 0.4 |
| R-I-magnitude |
| note (category: spectra): | Iron-rich star. |
double/multiple star system information
| separation | 91.1 arcsec |
| mag difference (of double or brightest multiple) | 3.1 |
| note | Worley (1978) update of the IDS |
| note (category: double and multiple data): | Component A, astrometric binary unresolved by speckle interferometry. |
data from SKY2000 - Master Star Catalog (Myers+ 1997)
position, motion, parallax:
| position (J2000) | RA: 1h 47min 44.864sec | DEC: +63° 51' 8.9'' | ±0.2 arcsec | source: 52 |
| proper motion (J2000) | RA: 0.089 arcsec/a | DEC: -0.254 arcsec/a | source: 25 | |
| radial velocity | 3 km/s | source: 25 | ||
| trigonometric parallax | 0.107 arcsec | ±0.011 arcsec | source: 25 | |
| galactic coord. (B1950) | longitude: 129.08° | latitude: 1.66° | ||
magnitude:
| visual | 5.63 (observed) | source: 25 |
| photovisual | 5.7 | source: 2 |
| photographic | 6.7 | source: 16 |
spectral information:
| spectral class | K0 | source: 96 | |
| Morgan-Keenan | K0V | source: 25 | |
| B-magnitude | 6.44 ±0.05 | B-V-magnitude | 0.81 |
| U-magnitude | 6.84 ±0.05 | U-B-magnitude | 0.4 |
double/multiple star system information:
| separation between brightest and second brightest component | 91.1 arcsec |
| magnitude difference between brightest and second brightest component | 3.1 |
| position angle | 138 ° |
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 | |
| 52 | PPMN-HP subset |
| PPMN Star Catalogue (Reference 16) High-Precision Subset (Code H) | |
| 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: 1h 44min 6.352sec | DEC: +63° 36' 24.15'' | ±0.016 arcsec |
| position (J2000) | RA: 1h 47min 44.848sec | DEC: +63° 51' 8.25'' | |
| proper motion B1950 (FK4) | RA: 0.0876 arcsec/a | DEC: -0.246 arcsec/a | ±0.003 arcsec/a in RA ±0.003 arcsec/a in DEC |
| proper motion J2000 (FK5) | RA: 0.088 arcsec/a | DEC: -0.255 arcsec/a | |
| source of proper motion data | Determined by source catalog | ||
magnitude:
| visual | 5.7 (accuracy: 2 decimals) |
| source of visual magnitude data | Taken from Harvard or San Luis photometry. |
spectral information:
| spectral class | K0 |
| source of spectral data | Taken from the Henry Draper Catalogue or no spectrum in source catalog. |
catalogues
| source catalogue | GC, catalogue number: 2161 |
| Durchmusterung | BD+63 238 |
| Boss General Catalogue | 2161 |
| Henry Draper Catalogue | 10780 |
data from The Washington Visual Double Star Catalog, 1996.0 (Worley+, 1996)
position and proper motion:
| position (J2000) | RA: 1h 47.7min | DEC: +63° 51' |
| proper motion (J2000) | RA: 0.576 arcsec/a | DEC: -0.247 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 |
| - | 1892 | 3 | 135° | 102.7'' | 5.8 | 8.9 | K0V | ENG 7 |
| 1911 | 138° | 91.1'' |
discoverer information:
| discoverer code | discoverer | reference |
| ENG 7 | Engelmann, R. | - |
notes:
| note | B is BD+63@241. |