q Andromedae
catalogues and names
| catalogues and names | q And, NSV 00116, 24 And, HR 63, HD 1280, SAO 53777, BD +37 34 |
| constellation | Andromeda |
data from The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) (Hoffleit+, 1991)
position, motion, parallax:
| position (J2000) | RA: 0h 17min 5.5sec | DEC: +38° 40' 54'' | ||
| position (B1900) | RA: 0h 11min 51.9sec | DEC: +38° 7' 35'' | ||
| proper motion (J2000) | RA: -0.05 arcsec/a | DEC: -0.019 arcsec/a | ||
| radial velocity | 1 km/s note: variable radial velocity |
|||
| rotational velocity | 107 km/s (uncertain) (variable) | |||
| trigonometric parallax | 0.022 arcsec | |||
| galactic coordinates | longitude: 115.62° | latitude: -23.7° | ||
magnitude
| visual magnitude | 4.61 (V on UBV Johnson system) |
spectral / color information
| spectral class | A2V |
| B-V-magnitude | 0.06 |
| U-B-magnitude | 0.04 |
| R-I-magnitude |
variability information
| variable star identification | 116 |
miscellaneous information
| note (category: group membership): | Possible Eggen group with V = +5k/s. Other members: HR 118, 378, 1046, 1706, 2375, 2572, 3131, 3894, 4564, 5482, 5843, 6153, 6250, 6355, 6446, 7102, 7124, 7340, 8709. |
data from SKY2000 - Master Star Catalog (Myers+ 1997)
position, motion, parallax:
| position (J2000) | RA: 0h 17min 5.513sec | DEC: +38° 40' 54.02'' | ±0.35 arcsec | source: 17 |
| proper motion (J2000) | RA: -0.0041 arcsec/a | DEC: -0.013 arcsec/a | source: 25 | |
| radial velocity | 1 km/s | source: 25 | ||
| trigonometric parallax | 0.022 arcsec | ±0.002 arcsec | source: 25 | |
| galactic coord. (B1950) | longitude: 115.63° | latitude: -23.7° | ||
magnitude:
| visual | 4.61 (observed) | source: 25 |
| photovisual | 4.4 | source: 2 |
| photographic | 4.5 | source: 16 |
spectral information:
| spectral class | A2 | source: 96 | |
| Morgan-Keenan | A2V | source: 25 | |
| B-magnitude | 4.67 ±0.05 | B-V-magnitude | 0.06 |
| U-magnitude | 4.71 ±0.05 | U-B-magnitude | 0.04 |
double/multiple star system information:
| separation between brightest and second brightest component | 0.1 arcsec |
| position angle | 144 ° |
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: 0h 14min 28.299sec | DEC: +38° 24' 14.9'' | ±0.013 arcsec |
| position (J2000) | RA: 0h 17min 5.512sec | DEC: +38° 40' 53.6'' | |
| proper motion B1950 (FK4) | RA: -0.0044 arcsec/a | DEC: -0.015 arcsec/a | ±0.003 arcsec/a in RA ±0.002 arcsec/a in DEC |
| proper motion J2000 (FK5) | RA: -0.0043 arcsec/a | DEC: -0.02 arcsec/a | |
| source of proper motion data | Determined by source catalog | ||
magnitude:
| visual | 4.4 (accuracy: 2 decimals) |
| source of visual magnitude data | Taken from Harvard or San Luis photometry. |
spectral information:
| spectral class | A2 |
| source of spectral data | Taken from the Henry Draper Catalogue or no spectrum in source catalog. |
catalogues
| source catalogue | GC, catalogue number: 334 |
| Durchmusterung | BD+37 34 |
| Boss General Catalogue | 334 |
| Henry Draper Catalogue | 1280 |
data from Combined General Catalogue of Variable Stars (suspected variables) (Kholopov+ 1998)
position:
| position (equinox 1950.0) | RA: 0h 14min 28.3sec | DEC: +38° 24' 15'' |
variability informations:
| magnitute at max. brightness | 4.58 |
| magnitute at min. brightness | 4.62 |
| photometric system | visual, photovisual or Johnson's V |
spectral information
| spectral class | A2 |
references
| to a study | 731201D (designation: HD 1280) |