11 Arietis
catalogues and names
| catalogues and names | 11 Ari, HR 615, HD 12885, SAO 75149, BD +25 349, WDS 02068+2542 |
| constellation | Aries |
data from The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) (Hoffleit+, 1991)
position, motion, parallax:
| position (J2000) | RA: 2h 6min 49.2sec | DEC: +25° 42' 17'' | ||
| position (B1900) | RA: 2h 1min 8.9sec | DEC: +25° 13' 40'' | ||
| proper motion (J2000) | RA: 0.017 arcsec/a | DEC: -0.011 arcsec/a | ||
| radial velocity | -9 km/s | |||
| rotational velocity | 300 km/s (uncertain) (variable) | |||
| galactic coordinates | longitude: 143.52° | latitude: -34.14° | ||
magnitude
| visual magnitude | 6.15 (V on UBV Johnson system) |
spectral / color information
| spectral class | B9IV-Vn |
| B-V-magnitude | -0.03 |
| U-B-magnitude | -0.26 |
double/multiple star system information
| separation | 1.6 arcsec |
| mag difference (of double or brightest multiple) | 5.5 |
data from SKY2000 - Master Star Catalog (Myers+ 1997)
position, motion, parallax:
| position (J2000) | RA: 2h 6min 49.23sec | DEC: +25° 42' 16.46'' | ±0.2 arcsec | source: 52 |
| proper motion (J2000) | RA: 0.0015 arcsec/a | DEC: -0.015 arcsec/a | source: 25 | |
| radial velocity | -9 km/s | source: 25 | ||
| galactic coord. (B1950) | longitude: 143.53° | latitude: -34.14° | ||
magnitude:
| visual | 6.15 (observed) | source: 25 |
| photovisual | 6 | source: 2 |
| photographic | 5.9 | source: 16 |
spectral information:
| spectral class | B8 | source: 96 | |
| Morgan-Keenan | B9IV-Vn | source: 25 | |
| B-magnitude | 6.12 ±0.05 | B-V-magnitude | -0.03 |
| U-magnitude | 5.86 ±0.05 | U-B-magnitude | -0.26 |
double/multiple star system information:
| separation between brightest and second brightest component | 1.6 arcsec |
| magnitude difference between brightest and second brightest component | 5.5 |
| position angle | 346 ° |
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: 2h 3min 58.785sec | DEC: +25° 28' 1.65'' | ±0.037 arcsec |
| position (J2000) | RA: 2h 6min 49.244sec | DEC: +25° 42' 16.89'' | |
| proper motion B1950 (FK4) | RA: 0.0013 arcsec/a | DEC: -0.006 arcsec/a | ±0.006 arcsec/a in RA ±0.005 arcsec/a in DEC |
| proper motion J2000 (FK5) | RA: 0.0013 arcsec/a | DEC: -0.011 arcsec/a | |
| source of proper motion data | Determined by source catalog | ||
magnitude:
| visual | 6 (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: 2534 |
| Durchmusterung | BD+25 349 |
| Boss General Catalogue | 2534 |
| Henry Draper Catalogue | 12885 |
data from The Washington Visual Double Star Catalog, 1996.0 (Worley+, 1996)
position and proper motion:
| position (J2000) | RA: 2h 6.8min | DEC: +25° 42' |
| proper motion (J2000) | RA: 0.016 arcsec/a | DEC: -0.016 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 |
| - | 1890 | 16 | 330° | 1.1'' | 6 | 11.5 | B9IV-Vn | HO 312 |
| 1986 | 346° | 1.6'' |
discoverer information:
| discoverer code | discoverer | reference |
| HO 312 | Hough, G.W. | - |
notes:
| note | 11 Ari. |