d1Canis Minoris
| catalogues and names |
| The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) |
| SKY2000 - Master Star Catalog |
| Smithsonian Astrophysical Observatory Star Catalog |
catalogues and names
| catalogues and names | d1CMi, 7 CMi, HR 2880, HD 59881, SAO 115581, BD +2 1691, FK5: 2587 |
| constellation | Canis Minor |
data from The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) (Hoffleit+, 1991)
position, motion, parallax:
| position (J2000) | RA: 7h 32min 5.9sec | DEC: +1° 54' 52'' | ||
| position (B1900) | RA: 7h 26min 54.2sec | DEC: +2° 7' 35'' | ||
| proper motion (J2000) | RA: -0.003 arcsec/a | DEC: -0.003 arcsec/a | ||
| radial velocity | 29 km/s note: suspected variable radial velocity |
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| rotational velocity | 75 km/s (uncertain) (variable) | |||
| trigonometric parallax | 0.016 arcsec | |||
| galactic coordinates | longitude: 215.88° | latitude: 9.92° | ||
magnitude
| visual magnitude | 5.25 (V on UBV Johnson system) |
spectral / color information
| spectral class | F0III |
| B-V-magnitude | 0.22 |
| U-B-magnitude | 0.2 |
data from SKY2000 - Master Star Catalog (Myers+ 1997)
position, motion, parallax:
| position (J2000) | RA: 7h 32min 5.944sec | DEC: +1° 54' 51.91'' | ±0.22 arcsec | source: 15 |
| proper motion (J2000) | RA: -0.0002 arcsec/a | DEC: -0.003 arcsec/a | source: 25 | |
| radial velocity | 29 km/s | source: 25 | ||
| trigonometric parallax | 0.016 arcsec | ±0.002 arcsec | source: 25 | |
| galactic coord. (B1950) | longitude: 215.89° | latitude: 9.92° | ||
magnitude:
| visual | 5.25 (observed) | source: 25 |
| photovisual | 5.3 | source: 2 |
spectral information:
| spectral class | A5 | source: 96 | |
| Morgan-Keenan | F0III | source: 25 | |
| B-magnitude | 5.47 ±0.05 | B-V-magnitude | 0.22 |
| U-magnitude | 5.67 ±0.05 | U-B-magnitude | 0.2 |
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: 7h 29min 30.057sec | DEC: +2° 1' 18.95'' | ±0.016 arcsec |
| position (J2000) | RA: 7h 32min 5.871sec | DEC: +1° 54' 52.09'' | |
| proper motion B1950 (FK4) | RA: -0.0011 arcsec/a | DEC: -0.004 arcsec/a | ±0.003 arcsec/a in RA ±0.003 arcsec/a in DEC |
| proper motion J2000 (FK5) | RA: -0.0009 arcsec/a | DEC: -0.002 arcsec/a | |
| source of proper motion data | Determined by source catalog | ||
magnitude:
| visual | 5.3 (accuracy: 2 decimals) |
| source of visual magnitude data | Taken from Harvard or San Luis photometry. |
spectral information:
| spectral class | A5 |
| source of spectral data | Taken from the Henry Draper Catalogue or no spectrum in source catalog. |
catalogues
| source catalogue | GC, catalogue number: 10085 |
| Durchmusterung | BD+02 1691 |
| Boss General Catalogue | 10085 |
| Henry Draper Catalogue | 59881 |