53 Aquarii
| 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 | 53 Aqr, HR 8545, HD 212698, SAO 165078, BD -17 6521, WDS 22266-1644A |
| constellation | Aquarius |
data from The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) (Hoffleit+, 1991)
position, motion, parallax:
| position (J2000) | RA: 22h 26min 34.4sec | DEC: -16° 44' 33'' | ||
| position (B1900) | RA: 22h 21min 8.7sec | DEC: -17° 15' 3'' | ||
| proper motion (J2000) | RA: 0.223 arcsec/a | DEC: -0.003 arcsec/a | ||
| radial velocity | -6 km/s | |||
| rotational velocity | 9 km/s (uncertain) (variable) | |||
| trigonometric parallax | 0.057 arcsec | |||
| galactic coordinates | longitude: 42.55° | latitude: -54.98° | ||
| note (category: dynamical parallaxes): | 0.083". |
magnitude
| visual magnitude | 6.35 (original HR magnitude) |
spectral / color information
| spectral class | G1V |
| B-V-magnitude | 0.61 |
| U-B-magnitude | 0.09 |
double/multiple star system information
| number of components of multiple star system | 4 |
| separation | 3.3 arcsec |
| mag difference (of double or brightest multiple) | 0.2 |
| component ID | AB |
| note (category: double and multiple data): | See HR 8544. Colors for combined light. Mag. of blend 5.56V. |
data from SKY2000 - Master Star Catalog (Myers+ 1997)
position, motion, parallax:
| position (J2000) | RA: 22h 26min 34.356sec | DEC: -16° 44' 32.52'' | ±1.48 arcsec | source: 29 |
| proper motion (J2000) | RA: 0.0155 arcsec/a | DEC: -0.003 arcsec/a | source: 25 | |
| radial velocity | -6 km/s | source: 25 | ||
| trigonometric parallax | 0.057 arcsec | ±0.006 arcsec | source: 25 | |
| galactic coord. (B1950) | longitude: 42.56° | latitude: -54.98° | ||
magnitude:
| visual | 6.27 (observed) | source: 25 |
| photovisual | 4.4 | source: 16 |
| photographic | 6.9 | source: 2 |
spectral information:
| spectral class | G0 | source: 96 | |
| Morgan-Keenan | G1V | source: 25 | |
| B-magnitude | 6.89 ±0.05 | B-V-magnitude | 0.62 |
| U-magnitude | 6.92 ±0.05 | U-B-magnitude | 0.03 |
double/multiple star system information:
| separation between brightest and second brightest component | 2.2 arcsec |
| magnitude difference between brightest and second brightest component | 0.2 |
| position angle | 351 ° |
| component | magnitude | spectral class | catalogue(s)/name(s) |
| A | 6.27 | G0 | 53 Aqr, HR 8545, HD 212698, SAO 165078 |
| B | 6.37 | G0 | 53 Aqr, HR 8544, HD 212697, SAO 165077 |
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 | |
| 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 | |
| 29 | SAOJ2000 |
| SAO on FK5 at J2000, 1989 | |
| 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: 22h 23min 51.659sec | DEC: -16° 59' 50.22'' | ±0.022 arcsec |
| position (J2000) | RA: 22h 26min 34.356sec | DEC: -16° 44' 32.52'' | |
| proper motion B1950 (FK4) | RA: 0.0154 arcsec/a | DEC: 0 arcsec/a | ±0.003 arcsec/a in RA ±0.004 arcsec/a in DEC |
| proper motion J2000 (FK5) | RA: 0.0155 arcsec/a | DEC: -0.003 arcsec/a | |
| source of proper motion data | Determined by source catalog | ||
magnitude:
| visual | 6.4 (accuracy: 2 decimals) |
| source of visual magnitude data | Taken from Harvard or San Luis photometry. |
spectral information:
| spectral class | G0 |
| source of spectral data | Taken from the Henry Draper Catalogue or no spectrum in source catalog. |
remarks for duplicity and variability
| Double star in Aitken's Double Star Catalogue (Aitken 1932) |
catalogues
| source catalogue | GC, catalogue number: 31349 |
| Durchmusterung | BD-17 6521 |
| Boss General Catalogue | 31349 |
| Henry Draper Catalogue | 212698 |