HR 8363
catalogues and names
| catalogues and names | HR 8363, HD 208177, SAO 145735, BD -3 5329, WDS 21546-0318 |
data from The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) (Hoffleit+, 1991)
position, motion, parallax:
| position (J2000) | RA: 21h 54min 35.9sec | DEC: -3° 18' 4'' | ||
| position (B1900) | RA: 21h 49min 24sec | DEC: -3° 46' 21'' | ||
| proper motion (J2000) | RA: 0.018 arcsec/a | DEC: -0.028 arcsec/a | ||
| radial velocity | -16 km/s | |||
| galactic coordinates | longitude: 54.49° | latitude: -41.54° | ||
magnitude
| visual magnitude | 6.2 (V on UBV Johnson system) |
spectral / color information
| spectral class | F5IV |
| B-V-magnitude | 0.48 |
| U-B-magnitude | 0.07 |
double/multiple star system information
| separation | 17.6 arcsec |
| mag difference (of double or brightest multiple) | 3.4 |
| note (category: double and multiple data): | Optical. |
data from SKY2000 - Master Star Catalog (Myers+ 1997)
position, motion, parallax:
| position (J2000) | RA: 21h 54min 35.917sec | DEC: -3° 18' 4.49'' | ±0.19 arcsec | source: 16 |
| proper motion (J2000) | RA: 0.0017 arcsec/a | DEC: -0.032 arcsec/a | source: 25 | |
| radial velocity | -16 km/s | source: 25 | ||
| galactic coord. (B1950) | longitude: 54.5° | latitude: -41.54° | ||
magnitude:
| visual | 6.2 (observed) | source: 25 |
| photovisual | 6.7 | source: 16 |
| photographic | 6.7 | source: 2 |
spectral information:
| spectral class | F8 | source: 96 | |
| Morgan-Keenan | F5IV | source: 25 | |
| B-magnitude | 6.68 ±0.05 | B-V-magnitude | 0.48 |
| U-magnitude | 6.75 ±0.05 | U-B-magnitude | 0.07 |
double/multiple star system information:
| separation between brightest and second brightest component | 16.8 arcsec |
| magnitude difference between brightest and second brightest component | 2.9 |
| position angle | 185 ° |
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: 21h 51min 59.929sec | DEC: -3° 32' 15.6'' | ±0.019 arcsec |
| position (J2000) | RA: 21h 54min 35.861sec | DEC: -3° 18' 4.04'' | |
| proper motion B1950 (FK4) | RA: 0.001 arcsec/a | DEC: -0.024 arcsec/a | ±0.004 arcsec/a in RA ±0.003 arcsec/a in DEC |
| proper motion J2000 (FK5) | RA: 0.0012 arcsec/a | DEC: -0.028 arcsec/a | |
| source of proper motion data | Determined by source catalog | ||
magnitude:
| visual | 6.2 (accuracy: 2 decimals) |
| source of visual magnitude data | Taken from Harvard or San Luis photometry. |
spectral information:
| spectral class | F8 |
| 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: 30664 |
| Durchmusterung | BD-03 5329 |
| Boss General Catalogue | 30664 |
| Henry Draper Catalogue | 208177 |
data from The Washington Visual Double Star Catalog, 1996.0 (Worley+, 1996)
position and proper motion:
| position (J2000) | RA: 21h 54.6min | DEC: -3° 18' |
| proper motion (J2000) | RA: 0.03 arcsec/a | DEC: -0.034 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 |
| - | 1829 | 36 | 185° | 21.6'' | 6.2 | 9.1 | F5IV | STF2838 |
| 1986 | - | 16.8'' |
discoverer information:
| discoverer code | discoverer | reference |
| STF2838 | Struve, F.G.W. | - |
notes:
| note | Proper motion of B +048 000. |