62 Eridani
catalogues and names
| catalogues and names | 62 Eri, HR 1582, HD 31512, SAO 131614, BD -5 1091, WDS 04564-0510A |
| constellation | Eridanus |
data from The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) (Hoffleit+, 1991)
position, motion, parallax:
| position (J2000) | RA: 4h 56min 24.2sec | DEC: -5° 10' 17'' | ||
| position (B1900) | RA: 4h 51min 28.6sec | DEC: -5° 19' 46'' | ||
| proper motion (J2000) | RA: -0.008 arcsec/a | DEC: -0.007 arcsec/a | ||
| radial velocity | 24 km/s | |||
| rotational velocity | 104 km/s (uncertain) (variable) | |||
| galactic coordinates | longitude: 203.93° | latitude: -27.88° | ||
magnitude
| visual magnitude | 5.51 (V on UBV Johnson system) |
spectral / color information
| spectral class | B6V |
| B-V-magnitude | -0.13 |
| U-B-magnitude | -0.56 |
double/multiple star system information
| separation | 67.3 arcsec |
| mag difference (of double or brightest multiple) | 3.6 |
| note | Worley (1978) update of the IDS |
data from SKY2000 - Master Star Catalog (Myers+ 1997)
position, motion, parallax:
| position (J2000) | RA: 4h 56min 24.189sec | DEC: -5° 10' 16.78'' | ±0.19 arcsec | source: 16 |
| proper motion (J2000) | RA: -0.0002 arcsec/a | DEC: 0 arcsec/a | source: 25 | |
| radial velocity | 24 km/s | source: 25 | ||
| galactic coord. (B1950) | longitude: 203.94° | latitude: -27.88° | ||
magnitude:
| visual | 5.51 (observed) | source: 25 |
| photovisual | 5.6 | source: 16 |
| photographic | 5.4 | source: 2 |
spectral information:
| spectral class | B9 | source: 96 | |
| Morgan-Keenan | B6V | source: 25 | |
| B-magnitude | 5.38 ±0.05 | B-V-magnitude | -0.13 |
| U-magnitude | 4.82 ±0.05 | U-B-magnitude | -0.56 |
double/multiple star system information:
| separation between brightest and second brightest component | 67.3 arcsec |
| magnitude difference between brightest and second brightest component | 3.7 |
| position angle | 75 ° |
| component | magnitude | spectral class | catalogue(s)/name(s) |
| A | 5.51 | B9 | 62 Eri, HR 1582, HD 31512, SAO 131614 |
| B | 8.99 | B8 |
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: 4h 53min 56.292sec | DEC: -5° 14' 56.71'' | ±0.016 arcsec |
| position (J2000) | RA: 4h 56min 24.159sec | DEC: -5° 10' 17.26'' | |
| proper motion B1950 (FK4) | RA: -0.0009 arcsec/a | DEC: -0.006 arcsec/a | ±0.003 arcsec/a in RA ±0.003 arcsec/a in DEC |
| proper motion J2000 (FK5) | RA: -0.0005 arcsec/a | DEC: -0.007 arcsec/a | |
| source of proper motion data | Determined by source catalog | ||
magnitude:
| visual | 5.5 (accuracy: 2 decimals) |
| source of visual magnitude data | Taken from Harvard or San Luis photometry. |
spectral information:
| spectral class | B9 |
| source of spectral data | Taken from the Henry Draper Catalogue or no spectrum in source catalog. |
catalogues
| source catalogue | GC, catalogue number: 6032 |
| Durchmusterung | BD-05 1091 |
| Boss General Catalogue | 6032 |
| Henry Draper Catalogue | 31512 |
data from The Washington Visual Double Star Catalog, 1996.0 (Worley+, 1996)
position and proper motion:
| position (J2000) | RA: 4h 56.4min | DEC: -5° 10' |
| proper motion (J2000) | RA: -0.004 arcsec/a | DEC: -0.003 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 |
| - | 1821 | 5 | 75° | 65.9'' | 5.51 | 9.2 | B6V | SHJ 48 |
| 1913 | - | 67.3'' |
discoverer information:
| discoverer code | discoverer | reference |
| SHJ 48 | South & Herschel | - |
notes:
| note | 62 Eri. B is BD-05@1093. Proper motion of B -016 -002. |