p4Orionis
catalogues and names
| catalogues and names | p4Ori, NSV 01742, 3 Ori, HR 1552, HD 30836, SAO 112142, BD +5 745, FK5: 179 |
| constellation | Orion |
data from The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) (Hoffleit+, 1991)
| note (category: star names): | See HR 1543. |
position, motion, parallax:
| position (J2000) | RA: 4h 51min 12.4sec | DEC: +5° 36' 18'' | ||
| position (B1900) | RA: 4h 45min 52.7sec | DEC: +5° 26' 3'' | ||
| proper motion (J2000) | RA: -0.001 arcsec/a | DEC: 0.001 arcsec/a | ||
| radial velocity | 23 km/s note: spectroscopic binaries note: orbital data avaible |
|||
| rotational velocity | 40 km/s (uncertain) (variable) | |||
| trigonometric parallax | 0.001 arcsec | |||
| galactic coordinates | longitude: 192.89° | latitude: -23.52° | ||
magnitude
| visual magnitude | 3.69 (V on UBV Johnson system) |
spectral / color information
| spectral class | B2III+B2IV |
| B-V-magnitude | -0.17 |
| U-B-magnitude | -0.81 |
| R-I-magnitude |
variability information
| variable star identification | 1742 |
double/multiple star system information
| note (category: spectroscopic binaries): | 9.5191d, K 25.8k/s, V0 +23.3k/s, asini 3.38. |
miscellaneous information
| note (category: group membership): | Ori OB1. |
data from SKY2000 - Master Star Catalog (Myers+ 1997)
position, motion, parallax:
| position (J2000) | RA: 4h 51min 12.362sec | DEC: +5° 36' 18.31'' | ±0.06 arcsec | source: 15 |
| proper motion (J2000) | RA: -0.0001 arcsec/a | DEC: 0.001 arcsec/a | source: 25 | |
| radial velocity | 23 km/s | source: 25 | ||
| trigonometric parallax | 0.001 arcsec | - | source: 25 | |
| galactic coord. (B1950) | longitude: 192.89° | latitude: -23.52° | ||
magnitude:
| visual | 3.69 (observed) | source: 25 |
| photovisual | 3.8 | source: 2 |
spectral information:
| spectral class | B3 | source: 96 | |
| Morgan-Keenan | B2III+B2IV | source: 25 | |
| B-magnitude | 3.52 ±0.05 | B-V-magnitude | -0.17 |
| U-magnitude | 2.71 ±0.05 | U-B-magnitude | -0.81 |
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 | |
| 15 | FK5, FK5 Extension and FK5 Supplement |
| Fricke, W., H. Schwan and T. Lederle, "Fifth Fundamental Catalogue (FK5), Part I. The Basic Fundamental Stars," Veroff. Astronomisches Recheninstitut, No. 32, Heidelberg, Germany, 1988, and Fricke, W., H. Schwan, and T.E. Corbin, "Fifth Fundamental Catalogue (FK5), Part II. The FK5 Extension," Veröff. Astronomisches Recheninstitut, No. 33, Heidelberg, Germany, 1991 | |
| 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 48min 32.421sec | DEC: +5° 31' 16.34'' | ±0.005 arcsec |
| position (J2000) | RA: 4h 51min 12.365sec | DEC: +5° 36' 18.21'' | |
| proper motion B1950 (FK4) | RA: -0.0003 arcsec/a | DEC: 0.001 arcsec/a | ±0.001 arcsec/a in RA ±0.001 arcsec/a in DEC |
| proper motion J2000 (FK5) | RA: -0.0001 arcsec/a | DEC: -0.001 arcsec/a | |
| source of proper motion data | Determined by source catalog | ||
magnitude:
| visual | 3.8 (accuracy: 2 decimals) |
| source of visual magnitude data | Taken from the "Henry Draper Catalogue". |
spectral information:
| spectral class | B3 |
| source of spectral data | Taken from the Henry Draper Catalogue or no spectrum in source catalog. |
catalogues
| source catalogue | FK4, catalogue number: 179 |
| Durchmusterung | BD+05 745 |
| Boss General Catalogue | 5911 |
| Henry Draper Catalogue | 30836 |
data from Combined General Catalogue of Variable Stars (suspected variables) (Kholopov+ 1998)
position:
| position (equinox 1950.0) | RA: 4h 48min 32.4sec | DEC: +5° 31' 16'' |
variability informations:
| magnitute at max. brightness | 3.6 |
| magnitute at min. brightness | 3.7 |
| photometric system | visual, photovisual or Johnson's V |
spectral information
| spectral class | B2 |
references
| to a study | 290477D (designation: ZI 313) |
| to a chart/photograph | 681467 |
miscanellous
| There are notes in the published catalog (Kukarkin et al.(1982)). |