i2Normae
| catalogues and names | i2Nor, HR 5994, HD 144480, SAO 243368, FK5: 3273 |
| constellation | Norma |
data from The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) (Hoffleit+, 1991)
position, motion, parallax:
| position (J2000) | RA: 16h 9min 18,6sec | DEC: -57° 56' 4'' |
| position (J1900) | RA: 16h 1min 5,1sec | DEC: -57° 39' 55'' |
| proper motion (J2000) | RA: -0,013 arcsec/a | DEC: -0,063 arcsec/a |
| radial velocity | 0 km/s | |
| rotational velocity | 96 km/s (uncertain) (variable) | |
magnitude
| visual magnitude | 5,57 (V on UBV Johnson system) |
spectral / color information
| spectral class | B9.5V |
| B-V-magnitude | -0,04 |
data from SKY2000 - Master Star Catalog (Myers+ 1997)
position, motion, parallax:
| position (J2000) | RA: 16h 9min 18,56sec | DEC: -57° 56' 3,74'' | ±0,22 arcsec | source: 15 |
| proper motion (J2000) | RA: -0,0016 arcsec/a | DEC: -0,063 arcsec/a | source: 25 | |
| radial velocity | 0 km/s | source: 25 | ||
| galactic coord. (B1950) | longitude: 326,81° | latitude: -4,55° | ||
| GCI unit vector (J2000) | X: -0,246556 | Y: -0,470165 | Z: -0,847441 | |
magnitude:
| visual | 5,57 (observed) | source: 25 |
| photovisual | 5,8 | source: 2 |
spectral information:
| spectral class | A0 | source: 96 | |
| Morgan-Keenan | B9.5V | source: 25 | |
| B-magnitude | 5,53 ±0,05 | B-V-magnitude | -0,04 |
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 | |
| 15 | FK5, FK5 Extension and FK5 Supplement |
| Fricke, W., H. Schwan and T. Lederle, "Fifth Fundamental Catalogue (FK5), Part I. The Basic Fundamental Stars," Veroff. Astronomisches Recheninstitut, No. 32, Heidelberg, Germany, 1988, and Fricke, W., H. Schwan, and T.E. Corbin, "Fifth Fundamental Catalogue (FK5), Part II. The FK5 Extension," Veröff. Astronomisches Recheninstitut, No. 33, Heidelberg, Germany, 1991 | |
| 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 (J1950) | RA: 16h 5min 11,054sec | DEC: -57° 48' 6,61'' | ±0,028 arcsec |
| position (J2000) | RA: 16h 9min 18,499sec | DEC: -57° 56' 2,91'' | |
| proper motion J1950 (FK4) | RA: -0,0015 arcsec/a | DEC: -0,055 arcsec/a | ±0,008 arcsec/a in RA ±0,006 arcsec/a in DEC |
| proper motion J2000 (FK5) | RA: -0,0021 arcsec/a | DEC: -0,054 arcsec/a | |
| source of proper motion data | Determined by source catalog | ||
magnitude:
| visual | 5,8 (accuracy: 2 decimals) |
| source of visual magnitude data | Taken from Harvard or San Luis photometry. |
spectral information:
| spectral class | A0 |
| source of spectral data | Taken from the Henry Draper Catalogue or no spectrum in source catalog. |
catalogues
| source catalogue | GC, catalogue number: 21677 |
| Durchmusterung | CP-57 7613 |
| Boss General Catalogue | 21677 |
| Henry Draper Catalogue | 144480 |