NSV 05527
catalogues and names
| catalogues and names | NSV 05527, HR 4670, HD 106819, SAO 157184, BD -15 3442 |
data from The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) (Hoffleit+, 1991)
position, motion, parallax:
| position (J2000) | RA: 12h 17min 3.3sec | DEC: -16° 41' 37'' | ||
| position (B1900) | RA: 12h 11min 53.8sec | DEC: -16° 8' 17'' | ||
| proper motion (J2000) | RA: -0.048 arcsec/a | DEC: 0.003 arcsec/a | ||
| radial velocity | -12 km/s | |||
| galactic coordinates | longitude: 291.17° | latitude: 45.39° | ||
magnitude
| visual magnitude | 6.05 (V on UBV Johnson system) |
spectral / color information
| spectral class | A2IV |
| B-V-magnitude | 0.1 |
| U-B-magnitude | 0.12 |
variability information
| variable star identification | 5527 |
data from SKY2000 - Master Star Catalog (Myers+ 1997)
position, motion, parallax:
| position (J2000) | RA: 12h 17min 3.344sec | DEC: -16° 41' 37.65'' | ±0.19 arcsec | source: 16 |
| proper motion (J2000) | RA: -0.0031 arcsec/a | DEC: -0.001 arcsec/a | source: 25 | |
| radial velocity | -12 km/s | source: 25 | ||
| galactic coord. (B1950) | longitude: 291.18° | latitude: 45.39° | ||
magnitude:
| visual | 6.05 (observed) | source: 25 |
| photovisual | 6.3 | source: 16 |
| photographic | 6 | source: 2 |
spectral information:
| spectral class | A2 | source: 96 | |
| Morgan-Keenan | A2IV | source: 25 | |
| B-magnitude | 6.15 ±0.05 | B-V-magnitude | 0.1 |
| U-magnitude | 6.27 ±0.05 | U-B-magnitude | 0.12 |
variability information:
| variability type | 9 |
| var. amplitude | 0.24 |
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 | |
| 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: 12h 14min 28.365sec | DEC: -16° 24' 57.67'' | ±0.031 arcsec |
| position (J2000) | RA: 12h 17min 3.325sec | DEC: -16° 41' 37.45'' | |
| proper motion B1950 (FK4) | RA: -0.0036 arcsec/a | DEC: -0.002 arcsec/a | ±0.007 arcsec/a in RA ±0.007 arcsec/a in DEC |
| proper motion J2000 (FK5) | RA: -0.0033 arcsec/a | DEC: 0.003 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 | A2 |
| source of spectral data | Taken from the Henry Draper Catalogue or no spectrum in source catalog. |
catalogues
| source catalogue | GC, catalogue number: 16762 |
| Durchmusterung | BD-15 3442 |
| Boss General Catalogue | 16762 |
| Henry Draper Catalogue | 106819 |
data from Combined General Catalogue of Variable Stars (suspected variables) (Kholopov+ 1998)
position:
| position (equinox 1950.0) | RA: 12h 14min 28.4sec | DEC: -16° 24' 58'' |
variability informations:
| magnitute at max. brightness | 5.82 |
| magnitute at min. brightness | 6.06 |
| photometric system | visual, photovisual or Johnson's V |
spectral information
| spectral class | A2 |
references
| to a study | 730774D (designation: 11029) |