NSV 00747
catalogues and names
| catalogues and names | NSV 00747, HR 645, HD 13530, SAO 23047, BD +50 481, FK5: 77, WDS 02136+5104A |
data from The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) (Hoffleit+, 1991)
| note (category: star names): | 6 Per on boundary Per/And. |
position, motion, parallax:
| position (J2000) | RA: 2h 13min 36.3sec | DEC: +51° 3' 57'' | ||
| position (B1900) | RA: 2h 6min 57sec | DEC: +50° 36' 5'' | ||
| proper motion (J2000) | RA: 0.346 arcsec/a | DEC: -0.171 arcsec/a | ||
| radial velocity | 27 km/s note: spectroscopic binaries note: orbital data avaible |
|||
| trigonometric parallax | 0.009 arcsec | |||
| galactic coordinates | longitude: 135.85° | latitude: -9.73° | ||
magnitude
| visual magnitude | 5.31 (V on UBV Johnson system) |
spectral / color information
| spectral class | G8III: |
| B-V-magnitude | 0.93 |
| U-B-magnitude | 0.62 |
| R-I-magnitude |
variability information
| variable star identification | 747 |
double/multiple star system information
| separation | 27.3 arcsec |
| mag difference (of double or brightest multiple) | 4.4 |
| note | Worley (1978) update of the IDS |
| note (category: spectroscopic binaries): | 1650d, K 13.5k/s, V0 +27.3k/s, asini 203. Resolved by speckle interferometry 1981.69, sep. 0.040". |
miscellaneous information
| note (category: group membership): | 61 Cyg group? |
data from SKY2000 - Master Star Catalog (Myers+ 1997)
position, motion, parallax:
| position (J2000) | RA: 2h 13min 36.341sec | DEC: +51° 3' 57.04'' | ±0.06 arcsec | source: 15 |
| proper motion (J2000) | RA: 0.0367 arcsec/a | DEC: -0.171 arcsec/a | source: 25 | |
| radial velocity | 27 km/s | source: 25 | ||
| trigonometric parallax | 0.009 arcsec | ±0.001 arcsec | source: 25 | |
| galactic coord. (B1950) | longitude: 135.86° | latitude: -9.73° | ||
magnitude:
| visual | 5.31 (observed) | source: 25 |
| photovisual | 5.4 | source: 2 |
spectral information:
| spectral class | K0 | source: 96 | |
| Morgan-Keenan | G8IIICN1CH0.5Fe-1 | source: 25 | |
| B-magnitude | 6.24 ±0.05 | B-V-magnitude | 0.93 |
| U-magnitude | 6.86 ±0.05 | U-B-magnitude | 0.62 |
double/multiple star system information:
| separation between brightest and second brightest component | 0 arcsec |
| position angle | 47 ° |
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 | |
| 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: 2h 10min 15.926sec | DEC: +50° 50' 5.11'' | ±0.004 arcsec |
| position (J2000) | RA: 2h 13min 36.342sec | DEC: +51° 3' 57.1'' | |
| proper motion B1950 (FK4) | RA: 0.0366 arcsec/a | DEC: -0.165 arcsec/a | ±0.001 arcsec/a in RA ±0.001 arcsec/a in DEC |
| proper motion J2000 (FK5) | RA: 0.0367 arcsec/a | DEC: -0.17 arcsec/a | |
| source of proper motion data | Determined by source catalog | ||
magnitude:
| visual | 5.4 (accuracy: 2 decimals) |
| source of visual magnitude data | Taken from the "Henry Draper Catalogue". |
spectral information:
| spectral class | K0 |
| source of spectral data | Taken from the Henry Draper Catalogue or no spectrum in source catalog. |
catalogues
| source catalogue | FK4, catalogue number: 77 |
| Durchmusterung | BD+50 481 |
| Boss General Catalogue | 2653 |
| Henry Draper Catalogue | 13530 |
data from The Washington Visual Double Star Catalog, 1996.0 (Worley+, 1996)
position and proper motion:
| position (J2000) | RA: 2h 13.6min | DEC: +51° 4' |
| proper motion (J2000) | RA: 0.346 arcsec/a | DEC: -0.171 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 |
| Aa | 1981 | 1 | 47° | 0'' | 5.31 | - | G8III:v | BAG |
| Aa-B | 1853 | 6 | 76° | 146.5'' | 5.31 | 9.8 | - | STT |
| 1921 | 69° | 127.3'' |
discoverer information:
| discoverer code | discoverer | reference |
| BAG | Balega, Y. et al | |
| STT | Struve, O. |
notes:
| note | 6 Per. A is a long-period spectroscopic binary, now resolved by speckle interferometry. |
data from Combined General Catalogue of Variable Stars (suspected variables) (Kholopov+ 1998)
position:
| position (equinox 1950.0) | RA: 2h 10min 15.9sec | DEC: +50° 50' 5'' |
variability informations:
| magnitute at max. brightness | 5.25 |
| magnitute at min. brightness | 5.32 |
| photometric system | visual, photovisual or Johnson's V |
spectral information
| spectral class | K0 |
references
| to a study | 640956D (designation: HD 13530) |
miscanellous
| There are notes in the published catalog (Kukarkin et al.(1982)). |