Deneb Kaitos Shemali
catalogues and names
| catalogues and names | Deneb Kaitos Shemali, i Cet, NSV 00123, 8 Cet, HR 74, HD 1522, SAO 128694, BD -9 48, FK5: 9, WDS 00194-0850A |
| other names | Deneb Kaitos Al Shamaliy |
| constellation | Cetus |
data from The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) (Hoffleit+, 1991)
| note (category: star names): | Deneb Kaitos Shemali; Deneb Kaitos Al Shamaliyy. |
position, motion, parallax:
| position (J2000) | RA: 0h 19min 25.7sec | DEC: -8° 49' 26'' | ||
| position (B1900) | RA: 0h 14min 19.9sec | DEC: -9° 22' 42'' | ||
| proper motion (J2000) | RA: -0.014 arcsec/a | DEC: -0.036 arcsec/a | ||
| radial velocity | 19 km/s | |||
| rotational velocity | <17 km/s (uncertain) (variable) | |||
| trigonometric parallax | 0.013 arcsec | |||
| galactic coordinates | longitude: 98.98° | latitude: -70.19° | ||
magnitude
| visual magnitude | 3.56 (V on UBV Johnson system) |
spectral / color information
| spectral class | K1.5III |
| B-V-magnitude | 1.22 |
| U-B-magnitude | 1.25 |
| R-I-magnitude | |
| IR-note | object is infrared source (NASA merged infrared catalogue, Schmitz et al., 1978) |
variability information
| variable star identification | 123 |
| note (category: variability): | 3.46 - 3.56V. |
double/multiple star system information
| number of components of multiple star system | 3 |
| separation | 108.8 arcsec |
| mag difference (of double or brightest multiple) | 4.8 |
| component ID | AC |
| note | Worley (1978) update of the IDS |
| note (category: double and multiple data): | Component B, 12.87v at 63", optical. |
data from SKY2000 - Master Star Catalog (Myers+ 1997)
position, motion, parallax:
| position (J2000) | RA: 0h 19min 25.674sec | DEC: -8° 49' 26.14'' | ±0.06 arcsec | source: 15 |
| proper motion (J2000) | RA: -0.0009 arcsec/a | DEC: -0.036 arcsec/a | source: 25 | |
| radial velocity | 19 km/s | source: 25 | ||
| trigonometric parallax | 0.013 arcsec | ±0.001 arcsec | source: 25 | |
| galactic coord. (B1950) | longitude: 99.01° | latitude: -70.19° | ||
magnitude:
| visual | 3.56 (observed) | source: 25 |
| photovisual | 3.8 | source: 2 |
| photographic | 4.8 | source: 2 |
spectral information:
| spectral class | K0 | source: 96 | |
| Morgan-Keenan | K1IIIb | source: 25 | |
| B-magnitude | 4.78 ±0.05 | B-V-magnitude | 1.22 |
| U-magnitude | 6.03 ±0.05 | U-B-magnitude | 1.25 |
double/multiple star system information:
| separation between brightest and second brightest component | 63.4 arcsec |
| magnitude difference between brightest and second brightest component | 9.34 |
| position angle | 17 ° |
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 | |
| 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: 0h 16min 52.784sec | DEC: -9° 6' 3.44'' | ±0.004 arcsec |
| position (J2000) | RA: 0h 19min 25.665sec | DEC: -8° 49' 25.98'' | |
| proper motion B1950 (FK4) | RA: -0.0013 arcsec/a | DEC: -0.031 arcsec/a | ±0.001 arcsec/a in RA ±0.001 arcsec/a in DEC |
| proper motion J2000 (FK5) | RA: -0.001 arcsec/a | DEC: -0.035 arcsec/a | |
| source of proper motion data | Determined by source catalog | ||
magnitude:
| visual | 3.8 (accuracy: 2 decimals) |
| source of visual magnitude data | Taken from the "Henry Draper Catalogue". |
spectral information:
| spectral class | K0 |
| source of spectral data | Taken from the Henry Draper Catalogue or no spectrum in source catalog. |
catalogues
| source catalogue | FK4, catalogue number: 9 |
| Durchmusterung | BD-09 48 |
| Boss General Catalogue | 388 |
| Henry Draper Catalogue | 1522 |
data from Combined General Catalogue of Variable Stars (suspected variables) (Kholopov+ 1998)
position:
| position (equinox 1950.0) | RA: 0h 16min 52.8sec | DEC: -9° 6' 3'' |
variability informations:
| magnitute at max. brightness | 3.46 |
| magnitute at min. brightness | 3.56 |
| photometric system | visual, photovisual or Johnson's V |
spectral information
| spectral class | K2 |
references
| to a study | 660727D (designation: HR 74) |