k Persei
catalogues and names
| catalogues and names | k Per, NSV 01055, 27 Per, HR 941, HD 19476, SAO 38609, BD +44 631, WDS 03095+4451 |
| constellation | Perseus |
data from The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) (Hoffleit+, 1991)
position, motion, parallax:
| position (J2000) | RA: 3h 9min 29.8sec | DEC: +44° 51' 26'' | ||
| position (B1900) | RA: 3h 2min 44.8sec | DEC: +44° 28' 43'' | ||
| proper motion (J2000) | RA: 0.177 arcsec/a | DEC: -0.157 arcsec/a | ||
| radial velocity | 29 km/s note: spectroscopic binaries |
|||
| rotational velocity | <17 km/s (uncertain) (variable) | |||
| trigonometric parallax | 0.033 arcsec | |||
| galactic coordinates | longitude: 147.12° | latitude: -11.43° | ||
magnitude
| visual magnitude | 3.8 (V on UBV Johnson system) |
spectral / color information
| spectral class | K0III |
| B-V-magnitude | 0.98 |
| U-B-magnitude | 0.83 |
| R-I-magnitude | |
| IR-note | object is infrared source (NASA merged infrared catalogue, Schmitz et al., 1978) |
variability information
| variable star identification | 1055 |
double/multiple star system information
| separation | 27.7 arcsec |
| mag difference (of double or brightest multiple) | 8.4 |
| note (category: double and multiple data): | Companion optical. |
miscellaneous information
| note (category: group membership): | Hyades group. |
data from SKY2000 - Master Star Catalog (Myers+ 1997)
position, motion, parallax:
| position (J2000) | RA: 3h 9min 29.763sec | DEC: +44° 51' 26.99'' | ±0.2 arcsec | source: 52 |
| proper motion (J2000) | RA: 0.0165 arcsec/a | DEC: -0.151 arcsec/a | source: 25 | |
| radial velocity | 29 km/s | source: 25 | ||
| trigonometric parallax | 0.033 arcsec | ±0.003 arcsec | source: 25 | |
| galactic coord. (B1950) | longitude: 147.13° | latitude: -11.43° | ||
magnitude:
| visual | 3.8 (observed) | source: 25 |
| photovisual | 4 | source: 2 |
| photographic | 5 | source: 16 |
spectral information:
| spectral class | K0 | source: 96 | |
| Morgan-Keenan | K0III | source: 25 | |
| B-magnitude | 4.78 ±0.05 | B-V-magnitude | 0.98 |
| U-magnitude | 5.61 ±0.05 | U-B-magnitude | 0.83 |
double/multiple star system information:
| separation between brightest and second brightest component | 27.7 arcsec |
| magnitude difference between brightest and second brightest component | 9.5 |
| position angle | 329 ° |
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: 3h 6min 6.756sec | DEC: +44° 40' 10.21'' | ±0.014 arcsec |
| position (J2000) | RA: 3h 9min 29.755sec | DEC: +44° 51' 26.35'' | |
| proper motion B1950 (FK4) | RA: 0.0167 arcsec/a | DEC: -0.153 arcsec/a | ±0.002 arcsec/a in RA ±0.002 arcsec/a in DEC |
| proper motion J2000 (FK5) | RA: 0.0167 arcsec/a | DEC: -0.157 arcsec/a | |
| source of proper motion data | Determined by source catalog | ||
magnitude:
| visual | 4 (accuracy: 2 decimals) |
| source of visual magnitude data | Taken from Harvard or San Luis photometry. |
spectral information:
| spectral class | K0 |
| 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: 3755 |
| Durchmusterung | BD+44 631 |
| Boss General Catalogue | 3755 |
| Henry Draper Catalogue | 19476 |
data from The Washington Visual Double Star Catalog, 1996.0 (Worley+, 1996)
position and proper motion:
| position (J2000) | RA: 3h 9.5min | DEC: +44° 51' |
| proper motion (J2000) | RA: 0.181 arcsec/a | DEC: -0.147 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 |
| - | 1914 | 3 | 334° | 21.8'' | 4 | 13.5 | G8III | ES 2596 |
| 1933 | 329° | 27.7'' |
discoverer information:
| discoverer code | discoverer | reference |
| ES 2596 | Espin, T.E. | - |
notes:
| note | Kappa Per. A is a spectroscopic binary. |
data from Combined General Catalogue of Variable Stars (suspected variables) (Kholopov+ 1998)
position:
| position (equinox 1950.0) | RA: 3h 6min 6.8sec | DEC: +44° 40' 10'' |
variability informations:
| magnitute at max. brightness | 3.77 |
| magnitute at min. brightness | 3.81 |
| photometric system | visual, photovisual or Johnson's V |
spectral information
| spectral class | K0 |
references
| to a study | 011868D (designation: 74.1901) |
miscanellous
| There are notes in the published catalog (Kukarkin et al.(1982)). |