14 Orionis
catalogues and names
| catalogues and names | 14 Ori, HR 1664, HD 33054, SAO 112440, BD +8 866, WDS 05079+0830 |
| constellation | Orion |
data from The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) (Hoffleit+, 1991)
position, motion, parallax:
| position (J2000) | RA: 5h 7min 52.9sec | DEC: +8° 29' 54'' | ||
| position (B1900) | RA: 5h 2min 26.1sec | DEC: +8° 22' 5'' | ||
| proper motion (J2000) | RA: 0.024 arcsec/a | DEC: -0.065 arcsec/a | ||
| radial velocity | 6 km/s note: variable radial velocity |
|||
| rotational velocity | 52 km/s (uncertain) (variable) | |||
| trigonometric parallax | 0.004 arcsec | |||
| galactic coordinates | longitude: 192.67° | latitude: -18.48° | ||
| note (category: dynamical parallaxes): | 0.021". |
magnitude
| visual magnitude | 5.34 (V on UBV Johnson system) |
spectral / color information
| spectral class | Am |
| B-V-magnitude | 0.33 |
| U-B-magnitude | 0.1 |
| R-I-magnitude |
double/multiple star system information
| separation | 0.7 arcsec |
| mag difference (of double or brightest multiple) | 0.8 |
| note (category: double and multiple data): | 5.78 Am, 6.62 Am, 198.9y, a = 1.04". Mean mass 1.7 solar. Combined mag., colors. CPM with ADS 3712 = GC6270, 9.8, 8 K2 sep. 3" at 348". |
data from SKY2000 - Master Star Catalog (Myers+ 1997)
position, motion, parallax:
| position (J2000) | RA: 5h 7min 52.879sec | DEC: +8° 29' 54.56'' | ±0.35 arcsec | source: 17 |
| proper motion (J2000) | RA: 0.0014 arcsec/a | DEC: -0.059 arcsec/a | source: 25 | |
| radial velocity | 6 km/s | source: 25 | ||
| trigonometric parallax | 0.004 arcsec | - | source: 25 | |
| galactic coord. (B1950) | longitude: 192.67° | latitude: -18.48° | ||
magnitude:
| visual | 5.34 (observed) | source: 25 |
| photovisual | 5.5 | source: 2 |
| photographic | 5.7 | source: 16 |
spectral information:
| spectral class | F0 | source: 96 | |
| B-magnitude | 5.67 ±0.05 | B-V-magnitude | 0.33 |
| U-magnitude | 5.77 ±0.05 | U-B-magnitude | 0.1 |
double/multiple star system information:
| separation between brightest and second brightest component | 0.7 arcsec |
| magnitude difference between brightest and second brightest component | 0.8 |
| position angle | 343 ° |
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 | |
| 17 | ACRS |
| Corbin, T.E., and S.E. Urban, Astrographic Catalog Reference Stars, United States Naval Observatory, 1991 | |
| 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: 5h 5min 9.412sec | DEC: +8° 26' 5.62'' | ±0.026 arcsec |
| position (J2000) | RA: 5h 7min 52.912sec | DEC: +8° 29' 54.15'' | |
| proper motion B1950 (FK4) | RA: 0.0015 arcsec/a | DEC: -0.063 arcsec/a | ±0.004 arcsec/a in RA ±0.004 arcsec/a in DEC |
| proper motion J2000 (FK5) | RA: 0.0016 arcsec/a | DEC: -0.065 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 | F0p |
| source of spectral data | Taken from the Henry Draper Catalogue or no spectrum in source catalog. |
catalogues
| source catalogue | GC, catalogue number: 6269 |
| Durchmusterung | BD+08 866 |
| Boss General Catalogue | 6269 |
| Henry Draper Catalogue | 33054 |
data from The Washington Visual Double Star Catalog, 1996.0 (Worley+, 1996)
position and proper motion:
| position (J2000) | RA: 5h 7.9min | DEC: +8° 30' |
| proper motion (J2000) | RA: 0.021 arcsec/a | DEC: -0.059 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 |
| - | 1843 | often | 255° | 1.1'' | 5.9 | 6.7 | Am | STT 98 |
| 1992 | 343° | 0.7'' |
discoverer information:
| discoverer code | discoverer | reference |
| STT 98 | Struve, O. | - |
notes:
| note | 14 Ori. P = 199yr., a = 1.04", motion retrograde. The pair shares common proper motion with STF 643. |
data from 4th Catalog of Orbits of Visual Binaries (Worley+, 1983)
position:
| position (B1900) | RA: 5h 2.4min | DEC: +8° 22' |
magnitudes, spectral classes, orbital elements:
| author: | P. Baize |
| date of observation: | 1969 |
| magnitude of component A: | 5.78 |
| magnitude of component B: | 5.78 |
| spectral class component B: | Am |
| spectral class component B: | Am |
| period [y]: | 198.9 |
| semi-major axis [arcsec]: | 1.04 |
| inclination [deg]: | 141 |
| node [deg]: | 88.7 |
| equinox of node: | 1900 |
| eccentricity: | 0.17 |
| time of periastron passage: | 1974.8 |
| grade: | reliable |
| reference: | Circ. Inf. No. 48, 1969. |
| notes | One component, probably the primary, is a spectroscopic binary; the RV range in the combined light is 22 km/s. According to Eggen, the system shares common proper motion with ADS 3712 (mags. 9.5-9.5, 3", K2), which is 6' distant. |
| other name(s) | STT 98, 14 Ori |