HR 1759
catalogues and names
catalogues and names | HR 1759, HD 34880, SAO 132004, BD -5 1225, WDS 05204-0522 |
data from The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) (Hoffleit+, 1991)
position, motion, parallax:
position (J2000) | RA: 5h 20min 26.4sec | DEC: -5° 22' 0'' | ||
position (B1900) | RA: 5h 15min 31.5sec | DEC: -5° 28' 8'' | ||
proper motion (J2000) | RA: -0.011 arcsec/a | DEC: 0.029 arcsec/a | ||
radial velocity | 20 km/s | |||
rotational velocity | 50 km/s (uncertain) (variable) | |||
galactic coordinates | longitude: 207.19° | latitude: -22.66° |
magnitude
visual magnitude | 6.39 (V on UBV Johnson system) |
spectral / color information
spectral class | B8III |
B-V-magnitude | -0.03 |
U-B-magnitude | -0.36 |
note (category: spectra): | Spectra show Mn. |
double/multiple star system information
separation | 4.4 arcsec |
mag difference (of double or brightest multiple) | 4.7 |
note (category: double and multiple data): | CPM. |
data from SKY2000 - Master Star Catalog (Myers+ 1997)
position, motion, parallax:
position (J2000) | RA: 5h 20min 26.375sec | DEC: -5° 22' 2.98'' | ±0.19 arcsec | source: 16 |
proper motion (J2000) | RA: -0.0005 arcsec/a | DEC: -0.002 arcsec/a | source: 25 | |
radial velocity | 20 km/s | source: 25 | ||
galactic coord. (B1950) | longitude: 207.19° | latitude: -22.66° |
magnitude:
visual | 6.39 (observed) | source: 25 |
photovisual | 6.7 | source: 16 |
photographic | 6.3 | source: 2 |
spectral information:
spectral class | B9 | source: 96 | |
Morgan-Keenan | B8III | source: 25 | |
B-magnitude | 6.36 ±0.05 | B-V-magnitude | -0.03 |
U-magnitude | 6 ±0.05 | U-B-magnitude | -0.36 |
double/multiple star system information:
separation between brightest and second brightest component | 4.4 arcsec |
magnitude difference between brightest and second brightest component | 3.4 |
position angle | 285 ° |
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 | |
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: 5h 17min 58.878sec | DEC: -5° 24' 58.68'' | ±0.085 arcsec |
position (J2000) | RA: 5h 20min 26.379sec | DEC: -5° 21' 59.74'' | |
proper motion B1950 (FK4) | RA: -0.0011 arcsec/a | DEC: 0.029 arcsec/a | ±0.016 arcsec/a in RA ±0.014 arcsec/a in DEC |
proper motion J2000 (FK5) | RA: -0.0007 arcsec/a | DEC: 0.029 arcsec/a | |
source of proper motion data | Determined by source catalog |
magnitude:
visual | 6.3 (accuracy: 2 decimals) |
source of visual magnitude data | Taken from Harvard or San Luis photometry. |
spectral information:
spectral class | B9 |
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: 6547 |
Durchmusterung | BD-05 1225 |
Boss General Catalogue | 6547 |
Henry Draper Catalogue | 34880 |
data from The Washington Visual Double Star Catalog, 1996.0 (Worley+, 1996)
position and proper motion:
position (J2000) | RA: 5h 20.4min | DEC: -5° 22' |
proper motion (J2000) | RA: -0.006 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 |
- | 1875 | 8 | 285° | 4.4'' | 6.4 | 9.8 | B8III | BU 189 |
discoverer information:
discoverer code | discoverer | reference |
BU 189 | Burnham, S.W. | - |