52 Arietis
catalogues and names
| catalogues and names | 52 Ari, HR 927, HD 19134, SAO 75723, BD +24 431, WDS 03054+2515B |
| constellation | Aries |
data from The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) (Hoffleit+, 1991)
position, motion, parallax:
| position (J2000) | RA: 3h 5min 26.7sec | DEC: +25° 15' 19'' | ||
| position (B1900) | RA: 2h 59min 34.6sec | DEC: +24° 51' 58'' | ||
| proper motion (J2000) | RA: 0.002 arcsec/a | DEC: -0.008 arcsec/a | ||
| radial velocity | 9 km/s | |||
| dynamical parallax | 0.004 arcsec | |||
| galactic coordinates | longitude: 157.53° | latitude: -28.47° | ||
| note (category: radial and/or rotational velocities): | Probably blended with HR 928. |
magnitude
| visual magnitude | 6.8 (V on UBV Johnson system) |
spectral / color information
| spectral class | B7V |
| B-V-magnitude | -0.02 |
| U-B-magnitude | -0.38 |
double/multiple star system information
| number of components of multiple star system | 5 |
| separation | 0.2 arcsec |
| mag difference (of double or brightest multiple) | 0 |
| component ID | AB |
| note (category: double and multiple data): | Binary with HR 928. Colors for combined light. AB, 227y, a = 0.470". Triple system with C, 10.8v at 5". |
data from SKY2000 - Master Star Catalog (Myers+ 1997)
position, motion, parallax:
| position (J2000) | RA: 3h 5min 26.688sec | DEC: +25° 15' 18.62'' | ±0.35 arcsec | source: 17 |
| proper motion (J2000) | RA: 0.0002 arcsec/a | DEC: -0.012 arcsec/a | source: 25 | |
| radial velocity | 9 km/s | source: 25 | ||
| galactic coord. (B1950) | longitude: 157.54° | latitude: -28.47° | ||
magnitude:
| visual | 5.46 (observed) | source: 25 |
| photovisual | 6.1 | source: 2 |
| photographic | 6.1 | source: 16 |
spectral information:
| spectral class | B8 | source: 16 | |
| Morgan-Keenan | B7V | source: 25 | |
| B-magnitude | 6.18 ±0.05 | B-V-magnitude | -0.02 |
| U-magnitude | 5.8 ±0.05 | U-B-magnitude | -0.38 |
double/multiple star system information:
| separation between brightest and second brightest component | 0.3 arcsec |
| magnitude difference between brightest and second brightest component | 0 |
| position angle | 249 ° |
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 | |
data from Smithsonian Astrophysical Observatory Star Catalog (SAO Staff 1966; USNO, ADC 1990)
position and proper motion:
| position (B1950) | RA: 3h 2min 30.35sec | DEC: +25° 3' 43.21'' | ±0.021 arcsec |
| position (J2000) | RA: 3h 5min 26.676sec | DEC: +25° 15' 19'' | |
| proper motion B1950 (FK4) | RA: 0.0002 arcsec/a | DEC: -0.004 arcsec/a | ±0.004 arcsec/a in RA ±0.003 arcsec/a in DEC |
| proper motion J2000 (FK5) | RA: 0.0002 arcsec/a | DEC: -0.008 arcsec/a | |
| source of proper motion data | Determined by source catalog | ||
magnitude:
| visual | 5.4 (accuracy: 2 decimals) |
| source of visual magnitude data | Taken from Harvard or San Luis photometry. |
spectral information:
| spectral class | B8 |
| source of spectral data | Taken from the Henry Draper Catalogue or no spectrum in source catalog. |
remarks for duplicity and variability
| Double star in Aitken's Double Star Catalogue (Aitken 1932) |
catalogues
| source catalogue | GC, catalogue number: 3697 |
| Durchmusterung | BD+24 431 |
| Boss General Catalogue | 3697 |
| Henry Draper Catalogue | 19134 The "SAO Catalog" entry refers to two consecutive HD numbers, the lower of which is given. |
data from The Washington Visual Double Star Catalog, 1996.0 (Worley+, 1996)
position and proper motion:
| position (J2000) | RA: 3h 5.4min | DEC: +25° 15' |
| proper motion (J2000) | RA: 0.003 arcsec/a | DEC: -0.012 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 |
| AB | 1832 | often | 264° | 0.7'' | 6.2 | 6.2 | B7V | STF 346 |
| 1990 | 249° | 0.3'' | ||||||
| AB-C | 1833 | 43 | 356° | 5.1'' | 5.46 | 10.8 | - | STF 346 |
| 1988 | 359° | - | ||||||
| AB-D | 1879 | - | 83° | 102.1'' | 5.46 | 13.27 | - | STF 346 |
| AB-E | 1911 | 1 | 191° | 133.6'' | 5.46 | 12.3 | - | STF 346 |
discoverer information:
| discoverer code | discoverer | reference |
| STF 346 | Struve, F.G.W. | - |
notes:
| note | 52 Ari. P = 227yr., a = 0.47", motion direct. |
data from 4th Catalog of Orbits of Visual Binaries (Worley+, 1983)
position:
| position (B1900) | RA: 2h 59.6min | DEC: +24° 52' |
magnitudes, spectral classes, orbital elements:
| author: | W.D. Heintz |
| date of observation: | 1980 |
| magnitude of component A: | 6.9 |
| magnitude of component B: | 6.9 |
| spectral class component B: | B7V |
| spectral class component B: | B7V |
| period [y]: | 227 |
| semi-major axis [arcsec]: | 0.47 |
| inclination [deg]: | 77.5 |
| node [deg]: | 92.8 |
| equinox of node: | 2000 |
| eccentricity: | 0.73 |
| time of periastron passage: | 1938.5 |
| dates of ephemeris: | 1978-1998 |
| grade: | reliable |
| reference: | Astrophys. J. Suppl. 45, 559; 1981. |
| other name(s) | STF 346 AB, 52 Ari |