HR 1701
catalogues and names
| catalogues and names | HR 1701, HD 33883, SAO 112535, BD +1 938, WDS 05135+0158A |
data from The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) (Hoffleit+, 1991)
position, motion, parallax:
| position (J2000) | RA: 5h 13min 31.6sec | DEC: +1° 58' 5'' | ||
| position (B1900) | RA: 5h 8min 19.8sec | DEC: +1° 50' 57'' | ||
| proper motion (J2000) | RA: 0.01 arcsec/a | DEC: 0.012 arcsec/a | ||
| radial velocity | 5 km/s | |||
| rotational velocity | 100 km/s (uncertain) (variable) | |||
| dynamical parallax | 0.004 arcsec | |||
| galactic coordinates | longitude: 199.37° | latitude: -20.66° | ||
magnitude
| visual magnitude | 6.09 (V on UBV Johnson system) |
spectral / color information
| spectral class | A5V |
| B-V-magnitude | 0.42 |
| U-B-magnitude | 0.28 |
| note (category: spectra): | Component B variously classified G, F6III, A6V. |
double/multiple star system information
| number of components of multiple star system | 3 |
| separation | 0.5 arcsec |
| mag difference (of double or brightest multiple) | 0.2 |
| component ID | AB |
| note (category: double and multiple data): | AB 6.9 A4V, 7.1 A6V, 312y, a = 0.383". Combined mag., colors. C, 13v at 7", may be physical. |
data from SKY2000 - Master Star Catalog (Myers+ 1997)
position, motion, parallax:
| position (J2000) | RA: 5h 13min 31.503sec | DEC: +1° 58' 3.36'' | ±0.43 arcsec | source: 16 |
| proper motion (J2000) | RA: -0.0003 arcsec/a | DEC: -0.001 arcsec/a | source: 25 | |
| radial velocity | 5 km/s | source: 25 | ||
| galactic coord. (B1950) | longitude: 199.38° | latitude: -20.66° | ||
magnitude:
| visual | 6.09 (observed) | source: 25 |
| photovisual | 6.3 | source: 2 |
| photographic | 6.4 | source: 16 |
spectral information:
| spectral class | A2 | source: 96 | |
| Morgan-Keenan | F7III: | source: 25 | |
| B-magnitude | 6.51 ±0.05 | B-V-magnitude | 0.42 |
| U-magnitude | 6.79 ±0.05 | U-B-magnitude | 0.28 |
double/multiple star system information:
| separation between brightest and second brightest component | 0.6 arcsec |
| magnitude difference between brightest and second brightest component | 0.3 |
| position angle | 236 ° |
| component | magnitude | spectral class | catalogue(s)/name(s) |
| A | 6.09 | A2 | HR 1701, HD 33883, SAO 112535 |
| B | 6.081 | - |
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 10min 55.599sec | DEC: +1° 54' 36.63'' | ±0.043 arcsec |
| position (J2000) | RA: 5h 13min 31.588sec | DEC: +1° 58' 4.63'' | |
| proper motion B1950 (FK4) | RA: 0.0004 arcsec/a | DEC: 0.013 arcsec/a | ±0.008 arcsec/a in RA ±0.007 arcsec/a in DEC |
| proper motion J2000 (FK5) | RA: 0.0007 arcsec/a | DEC: 0.012 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 | +++ |
| 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: 6388 |
| Durchmusterung | BD+01 938 |
| Boss General Catalogue | 6388 |
| Henry Draper Catalogue | 33883 The "SAO Catalog" entry refers to two consecutive HD numbers, the lower of which is given. |
data from The Washington Visual Double Star Catalog, 1996.0 (Worley+, 1996)
position and proper motion:
| position (J2000) | RA: 5h 13.5min | DEC: +1° 58' |
| proper motion (J2000) | RA: 0.004 arcsec/a | DEC: -0.006 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 | 1854 | 92 | 276° | 0.6'' | 6.7 | 7 | A5V | STT 517 |
| 1992 | 236° | - | ||||||
| AB-C | 1878 | 10 | 137° | 6.8'' | - | 13 | - | STT 517 |
discoverer information:
| discoverer code | discoverer | reference |
| STT 517 | Struve, O. | - |
notes:
| note | P = 312yr., a = 0.38", motion direct. C may be physical. |
data from 4th Catalog of Orbits of Visual Binaries (Worley+, 1983)
position:
| position (B1900) | RA: 5h 8.3min | DEC: +1° 51' |
magnitudes, spectral classes, orbital elements:
| author: | W.H. van den Bos |
| date of observation: | 1957 |
| magnitude of component A: | 6.7 |
| magnitude of component B: | 6.7 |
| spectral class component B: | A5V |
| spectral class component B: | A5V |
| period [y]: | 312 |
| semi-major axis [arcsec]: | 0.383 |
| inclination [deg]: | 23.28 |
| node [deg]: | 174.42 |
| eccentricity: | 0.85 |
| time of periastron passage: | 1926 |
| dates of ephemeris: | 1955-1980 |
| grade: | preliminary |
| reference: | Union Obs. Circ. 6, 339; 1960. |
| notes | Star C (mag. 13, 7") may be physical. |
| other name(s) | STT 517 |