113 Herculis
catalogues and names
| catalogues and names | 113 Her, HR 7133, HD 175492, SAO 86567, BD +22 3524, FK5: 3508, WDS 18547+2239A |
| constellation | Hercules |
data from The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) (Hoffleit+, 1991)
position, motion, parallax:
| position (J2000) | RA: 18h 54min 44.9sec | DEC: +22° 38' 42'' | ||
| position (B1900) | RA: 18h 50min 31.5sec | DEC: +22° 31' 6'' | ||
| proper motion (J2000) | RA: 0 arcsec/a | DEC: 0.001 arcsec/a | ||
| radial velocity | -24 km/s note: spectroscopic binaries note: orbital data avaible |
|||
| rotational velocity | 50 km/s (uncertain) (variable) | |||
| trigonometric parallax | 0.013 arcsec | |||
| galactic coordinates | longitude: 53.63° | latitude: 9.42° | ||
magnitude
| visual magnitude | 4.59 (V on UBV Johnson system) |
spectral / color information
| spectral class | G4III+A6V |
| B-V-magnitude | 0.78 |
| U-B-magnitude | 0.49 |
| R-I-magnitude | |
| IR-note | object is infrared source (NASA merged infrared catalogue, Schmitz et al., 1978) |
| note (category: spectra): | Also classified G5III + A2V. |
double/multiple star system information
| number of components of multiple star system | 3 |
| separation | 35.7 arcsec |
| mag difference (of double or brightest multiple) | 7.9 |
| component ID | AB |
| note (category: double and multiple data): | C, 11v at 38" optical. |
| note (category: spectroscopic binaries): | ADS 11820A, 245.3d, K 16.0k/s, V0 -23.3k/s, asini 53.6. Binary motion corresponds to the G-type spectrum; the A type arises from an unresolved companion, vsini 60k/s. |
data from SKY2000 - Master Star Catalog (Myers+ 1997)
position, motion, parallax:
| position (J2000) | RA: 18h 54min 44.872sec | DEC: +22° 38' 42.1'' | ±0.2 arcsec | source: 52 |
| proper motion (J2000) | RA: 0.0002 arcsec/a | DEC: -0.002 arcsec/a | source: 25 | |
| radial velocity | -24 km/s | source: 25 | ||
| trigonometric parallax | 0.013 arcsec | ±0.001 arcsec | source: 25 | |
| galactic coord. (B1950) | longitude: 53.64° | latitude: 9.42° | ||
magnitude:
| visual | 4.59 (observed) | source: 25 |
| photovisual | 4.6 | source: 2 |
| photographic | 5.1 | source: 16 |
spectral information:
| spectral class | A3 | source: 96 | |
| Morgan-Keenan | G4III | source: 25 | |
| B-magnitude | 5.37 ±0.05 | B-V-magnitude | 0.78 |
| U-magnitude | 5.86 ±0.05 | U-B-magnitude | 0.49 |
double/multiple star system information:
| separation between brightest and second brightest component | 35.4 arcsec |
| magnitude difference between brightest and second brightest component | 6.5 |
| position angle | 33 ° |
| component | magnitude | spectral class | catalogue(s)/name(s) |
| A | 4.59 | A3 | 113 Her, HR 7133, HD 175492, SAO 86567 |
| B | 4.591 | - |
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: 18h 52min 38.155sec | DEC: +22° 34' 49.85'' | ±0.019 arcsec |
| position (J2000) | RA: 18h 54min 44.898sec | DEC: +22° 38' 42.73'' | |
| proper motion B1950 (FK4) | RA: 0.0005 arcsec/a | DEC: 0.005 arcsec/a | ±0.004 arcsec/a in RA ±0.002 arcsec/a in DEC |
| proper motion J2000 (FK5) | RA: 0.0006 arcsec/a | DEC: 0.004 arcsec/a | |
| source of proper motion data | Determined by source catalog | ||
magnitude:
| visual | 4.6 (accuracy: 2 decimals) |
| source of visual magnitude data | Taken from Harvard or San Luis photometry. |
spectral information:
| spectral class | +++ |
| source of spectral data | Taken from the Henry Draper Catalogue or no spectrum in source catalog. |
catalogues
| source catalogue | GC, catalogue number: 25954 |
| Durchmusterung | BD+22 3524 |
| Boss General Catalogue | 25954 |
| Henry Draper Catalogue | 175492 |
data from The Washington Visual Double Star Catalog, 1996.0 (Worley+, 1996)
position and proper motion:
| position (J2000) | RA: 18h 54.7min | DEC: +22° 39' |
| proper motion (J2000) | RA: 0 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 | 1878 | 7 | 33° | 35.4'' | 4.59 | 11.1 | G4III+A6V | BU 646 |
| AC | 1878 | 4 | 25° | 40.7'' | 4.59 | 11.1 | - | BU 646 |
| 1924 | 23° | 37.8'' | ||||||
| BC | 1877 | 4 | 159° | 7'' | 11.1 | 11.1 | - | BU 646 |
| 1915 | 145° | - |
discoverer information:
| discoverer code | discoverer | reference |
| BU 646 | Burnham, S.W. | - |
notes:
| note | 113 Her. The G-type component is a long-period spectroscopic binary. |