45 Andromedae
catalogues and names
| catalogues and names | 45 And, HR 348, HD 7019, SAO 54494, BD +36 201, WDS 01112+3743 |
| constellation | Andromeda |
data from The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) (Hoffleit+, 1991)
position, motion, parallax:
| position (J2000) | RA: 1h 11min 10.3sec | DEC: +37° 43' 27'' | ||
| position (B1900) | RA: 1h 5min 32.9sec | DEC: +37° 11' 31'' | ||
| proper motion (J2000) | RA: -0.012 arcsec/a | DEC: -0.007 arcsec/a | ||
| radial velocity | -1 km/s | |||
| rotational velocity | 70 km/s (uncertain) (variable) | |||
| trigonometric parallax | 0.003 arcsec | |||
| galactic coordinates | longitude: 127.24° | latitude: -24.98° | ||
magnitude
| visual magnitude | 5.81 (V on UBV Johnson system) |
spectral / color information
| spectral class | B7III-IV |
| B-V-magnitude | -0.1 |
| U-B-magnitude | -0.4 |
double/multiple star system information
| separation | 0.4 arcsec |
| mag difference (of double or brightest multiple) | 0 |
| note | Worley (1978) update of the IDS |
| note (category: double and multiple data): | Unresolved by speckle interferometry: probably single. |
data from SKY2000 - Master Star Catalog (Myers+ 1997)
position, motion, parallax:
| position (J2000) | RA: 1h 11min 10.296sec | DEC: +37° 43' 26.69'' | ±0.35 arcsec | source: 17 |
| proper motion (J2000) | RA: -0.001 arcsec/a | DEC: -0.008 arcsec/a | source: 25 | |
| radial velocity | -1 km/s | source: 25 | ||
| trigonometric parallax | 0.003 arcsec | - | source: 25 | |
| galactic coord. (B1950) | longitude: 127.24° | latitude: -24.98° | ||
magnitude:
| visual | 5.81 (observed) | source: 25 |
| photovisual | 5.8 | source: 2 |
| photographic | 5.7 | source: 16 |
spectral information:
| spectral class | B8 | source: 96 | |
| Morgan-Keenan | B7III-IV | source: 25 | |
| B-magnitude | 5.71 ±0.05 | B-V-magnitude | -0.1 |
| U-magnitude | 5.31 ±0.05 | U-B-magnitude | -0.4 |
double/multiple star system information:
| separation between brightest and second brightest component | 0.4 arcsec |
| magnitude difference between brightest and second brightest component | 0 |
| position angle | 280 ° |
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 | |
| 17 | ACRS |
| Corbin, T.E., and S.E. Urban, Astrographic Catalog Reference Stars, United States Naval Observatory, 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: 1h 8min 21.178sec | DEC: +37° 27' 31.11'' | ±0.029 arcsec |
| position (J2000) | RA: 1h 11min 10.302sec | DEC: +37° 43' 26.73'' | |
| proper motion B1950 (FK4) | RA: -0.0011 arcsec/a | DEC: -0.003 arcsec/a | ±0.005 arcsec/a in RA ±0.004 arcsec/a in DEC |
| proper motion J2000 (FK5) | RA: -0.001 arcsec/a | DEC: -0.007 arcsec/a | |
| source of proper motion data | Determined by source catalog | ||
magnitude:
| visual | 5.8 (accuracy: 2 decimals) |
| source of visual magnitude data | Taken from Harvard or San Luis photometry. |
spectral information:
| spectral class | B8 |
| source of spectral data | Taken from the Henry Draper Catalogue or no spectrum in source catalog. |
catalogues
| source catalogue | GC, catalogue number: 1432 |
| Durchmusterung | BD+36 201 |
| Boss General Catalogue | 1432 |
| Henry Draper Catalogue | 7019 |
data from The Washington Visual Double Star Catalog, 1996.0 (Worley+, 1996)
position and proper motion:
| position (J2000) | RA: 1h 11.2min | DEC: +37° 43' |
| proper motion (J2000) | RA: -0.011 arcsec/a | DEC: -0.008 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 |
| - | 1886 | 1 | 280° | 0.4'' | 6.6 | 6.6 | B7III-IV | HO 215 |
discoverer information:
| discoverer code | discoverer | reference |
| HO 215 | Hough, G.W. | - |
notes:
| note | 45 And. Single 1903, 1906 (Doolittle), 1907 (Aitken). The measure 1925.60, 117.8@, 155.5", 6. - 6 (Schembor), may be erroneous. Duplicity of A is questionable. |