p6Orionis
catalogues and names
| catalogues and names | p6Ori, NSV 01786, 10 Ori, HR 1601, HD 31767, SAO 112281, BD +1 872 |
| constellation | Orion |
data from The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) (Hoffleit+, 1991)
position, motion, parallax:
| position (J2000) | RA: 4h 58min 32.9sec | DEC: +1° 42' 51'' | ||
| position (B1900) | RA: 4h 53min 21.8sec | DEC: +1° 33' 38'' | ||
| proper motion (J2000) | RA: -0.002 arcsec/a | DEC: -0.003 arcsec/a | ||
| radial velocity | 14 km/s note: suspected variable radial velocity |
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| rotational velocity | <17 km/s (uncertain) (variable) | |||
| trigonometric parallax | 0.018 arcsec | |||
| galactic coordinates | longitude: 197.56° | latitude: -24.02° | ||
magnitude
| visual magnitude | 4.47 (V on UBV Johnson system) |
spectral / color information
| spectral class | K2-II |
| B-V-magnitude | 1.4 |
| U-B-magnitude | 1.55 |
| R-I-magnitude | |
| IR-note | object is infrared source (NASA merged infrared catalogue, Schmitz et al., 1978) |
variability information
| variable star identification | 1786 |
data from SKY2000 - Master Star Catalog (Myers+ 1997)
position, motion, parallax:
| position (J2000) | RA: 4h 58min 32.867sec | DEC: +1° 42' 50.84'' | ±0.43 arcsec | source: 16 |
| proper motion (J2000) | RA: -0.0007 arcsec/a | DEC: 0.001 arcsec/a | source: 25 | |
| radial velocity | 14 km/s | source: 25 | ||
| trigonometric parallax | 0.018 arcsec | ±0.002 arcsec | source: 25 | |
| galactic coord. (B1950) | longitude: 197.56° | latitude: -24.02° | ||
magnitude:
| visual | 4.47 (observed) | source: 25 |
| photovisual | 4.7 | source: 2 |
| photographic | 6 | source: 16 |
spectral information:
| spectral class | K0 | source: 96 | |
| Morgan-Keenan | K2-II | source: 25 | |
| B-magnitude | 5.87 ±0.05 | B-V-magnitude | 1.4 |
| U-magnitude | 7.42 ±0.05 | U-B-magnitude | 1.55 |
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 | |
| 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: 4h 55min 57.26sec | DEC: +1° 38' 20.04'' | ±0.014 arcsec |
| position (J2000) | RA: 4h 58min 32.88sec | DEC: +1° 42' 50.87'' | |
| proper motion B1950 (FK4) | RA: -0.0004 arcsec/a | DEC: -0.002 arcsec/a | ±0.003 arcsec/a in RA ±0.003 arcsec/a in DEC |
| proper motion J2000 (FK5) | RA: -0.0001 arcsec/a | DEC: -0.003 arcsec/a | |
| source of proper motion data | Determined by source catalog | ||
magnitude:
| visual | 4.7 (accuracy: 2 decimals) |
| source of visual magnitude data | Taken from Harvard or San Luis photometry. |
spectral information:
| spectral class | K0 |
| source of spectral data | Taken from the Henry Draper Catalogue or no spectrum in source catalog. |
catalogues
| source catalogue | GC, catalogue number: 6068 |
| Durchmusterung | BD+01 872 |
| Boss General Catalogue | 6068 |
| Henry Draper Catalogue | 31767 |
data from Combined General Catalogue of Variable Stars (suspected variables) (Kholopov+ 1998)
position:
| position (equinox 1950.0) | RA: 4h 55min 57.3sec | DEC: +1° 38' 20'' |
variability informations:
| magnitute at max. brightness | 4.45 |
| magnitute at min. brightness | 4.49 |
| photometric system | visual, photovisual or Johnson's V |
spectral information
| spectral class | K2 |
references
| to a study | 300015D (designation: HR 1601) |
| to a chart/photograph | 681467 |
miscanellous
| There are notes in the published catalog (Kukarkin et al.(1982)). |