HR 113
catalogues and names
| catalogues and names | HR 113, HD 2626, SAO 21457, BD +59 68, WDS 00303+5959A |
data from The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) (Hoffleit+, 1991)
position, motion, parallax:
| position (J2000) | RA: 0h 30min 19.9sec | DEC: +59° 58' 38'' | ||
| position (B1900) | RA: 0h 24min 44.9sec | DEC: +59° 25' 30'' | ||
| proper motion (J2000) | RA: 0.017 arcsec/a | DEC: -0.012 arcsec/a | ||
| radial velocity | -17 km/s note: variable radial velocity |
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| rotational velocity | 225 km/s | |||
| dynamical parallax | 0.002 arcsec | |||
| galactic coordinates | longitude: 120.29° | latitude: -2.79° | ||
magnitude
| visual magnitude | 5.94 (V on UBV Johnson system) |
spectral / color information
| spectral class | B9IIIn |
| B-V-magnitude | 0.01 |
| U-B-magnitude | -0.36 |
double/multiple star system information
| number of components of multiple star system | 3 |
| separation | 0.5 arcsec |
| mag difference (of double or brightest multiple) | 2.2 |
| component ID | AB |
| note (category: double and multiple data): | ADS 412AB, CPM. |
miscellaneous information
| note (category: group membership): | Open cluster, NGC 129 #201. |
data from SKY2000 - Master Star Catalog (Myers+ 1997)
position, motion, parallax:
| position (J2000) | RA: 0h 30min 19.925sec | DEC: +59° 58' 39.07'' | ±0.2 arcsec | source: 52 |
| proper motion (J2000) | RA: 0.0025 arcsec/a | DEC: -0.008 arcsec/a | source: 25 | |
| radial velocity | -17 km/s | source: 25 | ||
| galactic coord. (B1950) | longitude: 120.3° | latitude: -2.79° | ||
magnitude:
| visual | 5.94 (observed) | source: 25 |
| photovisual | 5.9 | source: 2 |
| photographic | 5.9 | source: 16 |
spectral information:
| spectral class | B9 | source: 96 | |
| Morgan-Keenan | B9IIIn | source: 25 | |
| B-magnitude | 5.95 ±0.05 | B-V-magnitude | 0.01 |
| U-magnitude | 5.59 ±0.05 | U-B-magnitude | -0.36 |
double/multiple star system information:
| separation between brightest and second brightest component | 0.4 arcsec |
| magnitude difference between brightest and second brightest component | 3.8 |
| position angle | 270 ° |
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: 0h 27min 31.561sec | DEC: +59° 42' 5.1'' | ±0.038 arcsec |
| position (J2000) | RA: 0h 30min 19.91sec | DEC: +59° 58' 38.48'' | |
| proper motion B1950 (FK4) | RA: 0.0021 arcsec/a | DEC: -0.006 arcsec/a | ±0.008 arcsec/a in RA ±0.006 arcsec/a in DEC |
| proper motion J2000 (FK5) | RA: 0.0022 arcsec/a | DEC: -0.012 arcsec/a | |
| source of proper motion data | Determined by source catalog | ||
magnitude:
| visual | 5.9 (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: 586 |
| Durchmusterung | BD+59 68 |
| Boss General Catalogue | 586 |
| Henry Draper Catalogue | 2626 |
data from The Washington Visual Double Star Catalog, 1996.0 (Worley+, 1996)
position and proper motion:
| position (J2000) | RA: 0h 30.3min | DEC: +59° 59' |
| proper motion (J2000) | RA: 0.016 arcsec/a | DEC: -0.001 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 |
| AB | 1889 | 10 | 245° | 0.7'' | 5.9 | 9.7 | B9IIIn | BU 1094 |
| 1963 | 270° | 0.4'' | ||||||
| AC | 1912 | 2 | 338° | 120.3'' | 5.9 | 11.7 | - | BU 1094 |
| 1959 | - | 120.8'' |
discoverer information:
| discoverer code | discoverer | reference |
| BU 1094 | Burnham, S.W. | - |