m Velorum
catalogues and names
| catalogues and names | m Vel, NSV 04658, HR 3912, HD 85622, SAO 221553, CD -45 5508 |
| constellation | Vela |
data from The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) (Hoffleit+, 1991)
position, motion, parallax:
| position (J2000) | RA: 9h 51min 40.8sec | DEC: -46° 32' 52'' | ||
| position (B1900) | RA: 9h 47min 48.8sec | DEC: -46° 4' 43'' | ||
| proper motion (J2000) | RA: -0.008 arcsec/a | DEC: -0.001 arcsec/a | ||
| radial velocity | 11 km/s note: spectroscopic binaries, single lined spectra note: orbital data avaible |
|||
| trigonometric parallax | 0.007 arcsec | |||
| galactic coordinates | longitude: 273.7° | latitude: 5.87° | ||
magnitude
| visual magnitude | 4.58 (V on UBV Johnson system) |
spectral / color information
| spectral class | G5Ib |
| B-V-magnitude | 1.2 |
| U-B-magnitude | 0.99 |
| R-I-magnitude |
variability information
| variable star identification | 4658 |
double/multiple star system information
| note (category: spectroscopic binaries): | 329.30d, K 14.1k/s, V0 +11.0k/s, asini 63.8. |
data from SKY2000 - Master Star Catalog (Myers+ 1997)
position, motion, parallax:
| position (J2000) | RA: 9h 51min 40.707sec | DEC: -46° 32' 51.08'' | ±0.19 arcsec | source: 16 |
| proper motion (J2000) | RA: -0.0019 arcsec/a | DEC: 0.017 arcsec/a | source: 25 | |
| radial velocity | 11 km/s | source: 25 | ||
| trigonometric parallax | 0.007 arcsec | ±0.001 arcsec | source: 25 | |
| galactic coord. (B1950) | longitude: 273.7° | latitude: 5.87° | ||
magnitude:
| visual | 4.58 (observed) | source: 25 |
| photovisual | 4.2 | source: 16 |
spectral information:
| spectral class | G5 | source: 96 | |
| Morgan-Keenan | G5Ib-II | source: 25 | |
| B-magnitude | 5.78 ±0.05 | B-V-magnitude | 1.2 |
| U-magnitude | 6.77 ±0.05 | U-B-magnitude | 0.99 |
variability information:
| variability type | 9 |
| var. amplitude | 0.05 |
sources:
| 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: 9h 49min 44.638sec | DEC: -46° 18' 45.25'' | ±0.026 arcsec |
| position (J2000) | RA: 9h 51min 40.776sec | DEC: -46° 32' 52.4'' | |
| proper motion B1950 (FK4) | RA: -0.0013 arcsec/a | DEC: -0.003 arcsec/a | ±0.006 arcsec/a in RA ±0.005 arcsec/a in DEC |
| proper motion J2000 (FK5) | RA: -0.0008 arcsec/a | DEC: -0.001 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 | G5 |
| source of spectral data | Taken from the Henry Draper Catalogue or no spectrum in source catalog. |
catalogues
| source catalogue | GC, catalogue number: 13587 |
| Durchmusterung | CD-45 5508 |
| Boss General Catalogue | 13587 |
| Henry Draper Catalogue | 85622 |
data from Combined General Catalogue of Variable Stars (suspected variables) (Kholopov+ 1998)
position:
| position (equinox 1950.0) | RA: 9h 49min 44.6sec | DEC: -46° 18' 45'' |
variability informations:
| magnitute at max. brightness | 5.78 |
| magnitute amplitude | 0.05 |
| photometric system |
spectral information
| spectral class | G5 |
references
| to a study | 630791D (designation: HR 3912) |
miscanellous
| There are notes in the published catalog (Kukarkin et al.(1982)). |