HR 7361
catalogues and names
| catalogues and names | HR 7361, HD 182308, SAO 18287, BD +64 1344, WDS 19198+6423 |
data from The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) (Hoffleit+, 1991)
position, motion, parallax:
| position (J2000) | RA: 19h 19min 46.1sec | DEC: +64° 23' 27'' | ||
| position (B1900) | RA: 19h 18min 59.9sec | DEC: +64° 12' 6'' | ||
| proper motion (J2000) | RA: -0.002 arcsec/a | DEC: 0.01 arcsec/a | ||
| radial velocity | -20 km/s note: suspected variable radial velocity |
|||
| rotational velocity | =<5 km/s (uncertain) (variable) | |||
| galactic coordinates | longitude: 95.51° | latitude: 21.33° | ||
magnitude
| visual magnitude | 6.52 (V on UBV Johnson system) |
spectral / color information
| spectral class | B9IVpHgMn |
| B-V-magnitude | -0.04 |
| U-B-magnitude | -0.47 |
double/multiple star system information
| separation | 111.9 arcsec |
| mag difference (of double or brightest multiple) | 3.5 |
| note | Worley (1978) update of the IDS |
data from SKY2000 - Master Star Catalog (Myers+ 1997)
position, motion, parallax:
| position (J2000) | RA: 19h 19min 46.2sec | DEC: +64° 23' 26.73'' | ±0.35 arcsec | source: 17 |
| proper motion (J2000) | RA: 0.001 arcsec/a | DEC: 0.005 arcsec/a | source: 25 | |
| radial velocity | -21 km/s | source: 25 | ||
| galactic coord. (B1950) | longitude: 95.52° | latitude: 21.33° | ||
magnitude:
| visual | 6.52 (observed) | source: 25 |
| photovisual | 6.3 | source: 2 |
| photographic | 6.3 | source: 16 |
spectral information:
| spectral class | B9 | source: 96 | |
| Morgan-Keenan | B9IVpHgMn | source: 25 | |
| B-magnitude | 6.48 ±0.05 | B-V-magnitude | -0.04 |
| U-magnitude | 6.01 ±0.05 | U-B-magnitude | -0.47 |
double/multiple star system information:
| separation between brightest and second brightest component | 111.9 arcsec |
| magnitude difference between brightest and second brightest component | 3.3 |
| position angle | 181 ° |
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 (B1950) | RA: 19h 19min 23.124sec | DEC: +64° 17' 45.67'' | ±0.028 arcsec |
| position (J2000) | RA: 19h 19min 46.119sec | DEC: +64° 23' 27.16'' | |
| proper motion B1950 (FK4) | RA: -0.001 arcsec/a | DEC: 0.012 arcsec/a | ±0.005 arcsec/a in RA ±0.004 arcsec/a in DEC |
| proper motion J2000 (FK5) | RA: -0.0003 arcsec/a | DEC: 0.01 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. |
catalogues
| source catalogue | GC, catalogue number: 26709 |
| Durchmusterung | BD+64 1344 |
| Boss General Catalogue | 26709 |
| Henry Draper Catalogue | 182308 |
data from The Washington Visual Double Star Catalog, 1996.0 (Worley+, 1996)
position and proper motion:
| position (J2000) | RA: 19h 19.8min | DEC: +64° 23' |
| proper motion (J2000) | RA: 0.007 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 |
| - | 1909 | 1 | 181° | 111.9'' | 6.52 | 9.8 | B9pHgMn | BUP 188 |
discoverer information:
| discoverer code | discoverer | reference |
| BUP 188 | - | - |