i Crateris
catalogues and names
| catalogues and names | i Crt, 24 Crt, HR 4488, HD 101198, SAO 156802, BD -12 3466, WDS 11387-1312 |
| constellation | Crater |
data from The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) (Hoffleit+, 1991)
position, motion, parallax:
| position (J2000) | RA: 11h 38min 40.1sec | DEC: -13° 12' 7'' | ||
| position (B1900) | RA: 11h 33min 35.2sec | DEC: -12° 39' 5'' | ||
| proper motion (J2000) | RA: 0.092 arcsec/a | DEC: 0.12 arcsec/a | ||
| radial velocity | -24 km/s | |||
| galactic coordinates | longitude: 277° | latitude: 45.97° | ||
magnitude
| visual magnitude | 5.48 (V on UBV Johnson system) |
spectral / color information
| spectral class | F7V |
| B-V-magnitude | 0.52 |
double/multiple star system information
| separation | 1.4 arcsec |
| mag difference (of double or brightest multiple) | 5.4 |
| note | Worley (1978) update of the IDS |
data from SKY2000 - Master Star Catalog (Myers+ 1997)
position, motion, parallax:
| position (J2000) | RA: 11h 38min 40.008sec | DEC: -13° 12' 7.1'' | ±0.35 arcsec | source: 34 |
| proper motion (J2000) | RA: 0.0056 arcsec/a | DEC: 0.115 arcsec/a | source: 25 | |
| radial velocity | -24 km/s | source: 25 | ||
| galactic coord. (B1950) | longitude: 277.01° | latitude: 45.97° | ||
magnitude:
| visual | 5.48 (observed) | source: 25 |
| photovisual | 5.6 | source: 16 |
| photographic | 6.2 | source: 2 |
spectral information:
| spectral class | G0 | source: 96 | |
| Morgan-Keenan | F7V | source: 25 | |
| B-magnitude | 6 ±0.05 | B-V-magnitude | 0.52 |
double/multiple star system information:
| separation between brightest and second brightest component | 1.4 arcsec |
| magnitude difference between brightest and second brightest component | 5.4 |
| position angle | 226 ° |
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 | |
| 34 | IRS Catalog |
| Corbin, T.E., 1991, U.S. Naval Observatory, International Reference Stars Catalog | |
| 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: 11h 36min 7.523sec | DEC: -12° 55' 35.21'' | ±0.022 arcsec |
| position (J2000) | RA: 11h 38min 40.071sec | DEC: -13° 12' 6.64'' | |
| proper motion B1950 (FK4) | RA: 0.006 arcsec/a | DEC: 0.114 arcsec/a | ±0.003 arcsec/a in RA ±0.004 arcsec/a in DEC |
| proper motion J2000 (FK5) | RA: 0.0063 arcsec/a | DEC: 0.12 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 | G0 |
| source of spectral data | Taken from the Henry Draper Catalogue or no spectrum in source catalog. |
catalogues
| source catalogue | GC, catalogue number: 15977 |
| Durchmusterung | BD-12 3466 |
| Boss General Catalogue | 15977 |
| Henry Draper Catalogue | 101198 |
data from The Washington Visual Double Star Catalog, 1996.0 (Worley+, 1996)
position and proper motion:
| position (J2000) | RA: 11h 38.7min | DEC: -13° 12' |
| proper motion (J2000) | RA: 0.081 arcsec/a | DEC: 0.116 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 |
| - | 1934 | 6 | 226° | 1.4'' | 5.6 | 11 | F7V | KUI 58 |
discoverer information:
| discoverer code | discoverer | reference |
| KUI 58 | Kuiper, G.P. | (Publ. Astron. Soc. Pacific 48, 221; 1936.) |
notes:
| note | Iota Crt. |