k1Bootis
catalogues and names | k1Boo, 17 Boo, HR 5328, HD 124674, SAO 29045, WDS 14135+5147B |
constellation | Bootes |
data from The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) (Hoffleit+, 1991)
position, motion, parallax:
position (J2000) | RA: 14h 13min 27,7sec | DEC: +51° 47' 16'' |
position (J1900) | RA: 14h 9min 52,8sec | DEC: +52° 15' 20'' |
proper motion (J2000) | RA: 0,054 arcsec/a | DEC: -0,019 arcsec/a |
radial velocity | -20 km/s note: spectroscopic binaries |
|
rotational velocity | 40 km/s (uncertain) (variable) | |
trigonometric parallax | 0,01 arcsec |
note (category: dynamical parallaxes): | 0.017". |
magnitude
visual magnitude | 6,69 (V on UBV Johnson system) |
spectral / color information
spectral class | F1V |
B-V-magnitude | 0,39 |
U-B-magnitude | -0,04 |
variability information
note (category: variability): | ADS 9173B. Formerly suspected amp. 0.01V, not confirmed. |
double/multiple star system information
separation | 13,4 arcsec |
mag difference (of double or brightest multiple) | 2,2 |
note (category: double and multiple data): | Binary with HR 5329. |
miscellaneous information
note (category: group membership): | Sirius group? UMa stream. |
data from SKY2000 - Master Star Catalog (Myers+ 1997)
position, motion, parallax:
position (J2000) | RA: 14h 13min 28,134sec | DEC: +51° 47' 16,13'' | ±0,35 arcsec | source: 17 |
proper motion (J2000) | RA: 0,011 arcsec/a | DEC: -0,012 arcsec/a | source: 25 | |
radial velocity | -20 km/s | source: 25 | ||
trigonometric parallax | 0,01 | ±0,001 arcsec | source: 25 | |
galactic coord. (B1950) | longitude: 96,45° | latitude: 60,92° | ||
GCI unit vector (J2000) | X: -0,516611 | Y: -0,340218 | Z: 0,785725 |
magnitude:
visual | 6,69 (observed) | source: 25 |
photovisual | 6,6 | source: 2 |
photographic | 6,7 | source: 16 |
spectral information:
spectral class | A5 | source: 96 | |
Morgan-Keenan | F1V | source: 25 | |
B-magnitude | 7,08 ±0,05 | B-V-magnitude | 0,39 |
U-magnitude | 7,04 ±0,05 | U-B-magnitude | -0,04 |
double/multiple star system information:
separation between brightest and second brightest component | 13,4 arcsec |
magnitude difference between brightest and second brightest component | 2,15 |
position angle | 236 ° |
component | magnitude | spectral class | catalogue(s)/name(s) |
A | 4,5 | A5 | Asellus Tertius, k2Bootis, 17 Boo, HR 5329, HD 124675, SAO 29046 |
B | 6,69 | A5 | k1Bootis, 17 Boo, HR 5328, HD 124674, SAO 29045 |
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 | |
17 | ACRS |
Corbin, T.E., and S.E. Urban, Astrographic Catalog Reference Stars, United States Naval Observatory, 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 (J1950) | RA: 14h 11min 40,271sec | DEC: +52° 1' 15,47'' | ±0,03 arcsec |
position (J2000) | RA: 14h 13min 27,744sec | DEC: +51° 47' 15,57'' | |
proper motion J1950 (FK4) | RA: 0,0054 arcsec/a | DEC: -0,024 arcsec/a | ±0,005 arcsec/a in RA ±0,005 arcsec/a in DEC |
proper motion J2000 (FK5) | RA: 0,0059 arcsec/a | DEC: -0,019 arcsec/a | |
source of proper motion data | Determined by source catalog |
magnitude:
visual | 6,6 (accuracy: 2 decimals) |
source of visual magnitude data | Taken from Harvard or San Luis photometry. |
spectral information:
spectral class | A5 |
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: 19204 |
Durchmusterung | BD+52 1782B |
Boss General Catalogue | 19204 |
Henry Draper Catalogue | 124674 |
data from The Washington Visual Double Star Catalog, 1996.0 (Worley+, 1996)
position and proper motion:
position (J2000) | RA: 14h 13,5min | DEC: +51° 47' |
proper motion (J2000) | RA: 0,063 arcsec/a | DEC: -0,005 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 |
- | 1832 | 70 | 238° | 12,6'' | 4,54 | 6,69 | A7V F1V | STF1821 |
1973 | 236° | 13,4'' |
discoverer information:
discoverer code | discoverer | reference |
STF1821 | Struve, F.G.W. | - |
notes:
note | Kappa Boo. A is a Delta Scuti-type system. B is a long- period spectroscopic binary with P = 1791.2d. Proper motion of B +103 -012. |