NSV 16227
catalogues and names
| catalogues and names | NSV 16227, HR 1619, HD 32273, SAO 112340, BD +1 886 A, WDS 05020+0137A |
data from The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) (Hoffleit+, 1991)
position, motion, parallax:
| position (J2000) | RA: 5h 2min 0sec | DEC: +1° 36' 32'' | ||
| position (B1900) | RA: 4h 56min 49.2sec | DEC: +1° 27' 47'' | ||
| proper motion (J2000) | RA: -0.009 arcsec/a | DEC: 0.012 arcsec/a | ||
| radial velocity | 25 km/s note: variable radial velocity |
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| rotational velocity | 53 km/s (uncertain) (variable) | |||
| dynamical parallax | 0.013 arcsec | |||
| galactic coordinates | longitude: 198.14° | latitude: -23.33° | ||
magnitude
| visual magnitude | 6.24 (V on UBV Johnson system) |
spectral / color information
| spectral class | B8V |
| B-V-magnitude | -0.04 |
| U-B-magnitude | -0.41 |
double/multiple star system information
| number of components of multiple star system | 4 |
| separation | 14.2 arcsec |
| mag difference (of double or brightest multiple) | 1.3 |
| component ID | AxBC |
| note (category: double and multiple data): | BC binary 7.7, 10.7v sep. 0.5"; AxBC binary, B = GC 6148 A1IV?, vsini 53:k/s; D, 9.5 at 130". |
data from SKY2000 - Master Star Catalog (Myers+ 1997)
position, motion, parallax:
| position (J2000) | RA: 5h 2min 0.046sec | DEC: +1° 36' 32.33'' | ±0.43 arcsec | source: 16 |
| proper motion (J2000) | RA: 0.0001 arcsec/a | DEC: 0.018 arcsec/a | source: 25 | |
| radial velocity | 25 km/s | source: 25 | ||
| galactic coord. (B1950) | longitude: 198.14° | latitude: -23.33° | ||
magnitude:
| visual | 6.24 (observed) | source: 25 |
| photovisual | 6.2 | source: 2 |
| photographic | 6.5 | source: 16 |
spectral information:
| spectral class | B8 | source: 96 | |
| Morgan-Keenan | B8V | source: 25 | |
| B-magnitude | 6.2 ±0.05 | B-V-magnitude | -0.04 |
| U-magnitude | 5.79 ±0.05 | U-B-magnitude | -0.41 |
double/multiple star system information:
| separation between brightest and second brightest component | 14.6 arcsec |
| magnitude difference between brightest and second brightest component | 1.63 |
| position angle | 51 ° |
| component | magnitude | spectral class | catalogue(s)/name(s) |
| A | 6.24 | B8 | HR 1619, HD 32273, SAO 112340 |
| B | 6.5 | A7 |
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 | |
| 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: 4h 59min 24.471sec | DEC: +1° 32' 15.43'' | ±0.03 arcsec |
| position (J2000) | RA: 5h 1min 59.957sec | DEC: +1° 36' 32.45'' | |
| proper motion B1950 (FK4) | RA: -0.0009 arcsec/a | DEC: 0.013 arcsec/a | ±0.005 arcsec/a in RA ±0.004 arcsec/a in DEC |
| proper motion J2000 (FK5) | RA: -0.0006 arcsec/a | DEC: 0.012 arcsec/a | |
| source of proper motion data | Determined by source catalog | ||
magnitude:
| visual | 6.7 (accuracy: 1 decimal) |
| source of visual magnitude data | Based on Durchmusterung magnitudes and visual estimates |
spectral information:
| spectral class | B8 |
| 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: 6147 |
| Durchmusterung | BD+01 886A |
| Boss General Catalogue | 6147 |
| Henry Draper Catalogue | 32273 |
data from The Washington Visual Double Star Catalog, 1996.0 (Worley+, 1996)
position and proper motion:
| position (J2000) | RA: 5h 2min | DEC: +1° 37' |
| proper motion (J2000) | RA: 0.003 arcsec/a | DEC: 0.004 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 |
| A-BC | 1832 | 25 | 49° | 14'' | 6.24 | 7.87 | B8V | STF 630 |
| 1973 | 51° | 14.6'' | ||||||
| AD | 1909 | 1 | 99° | 130.3'' | 6.24 | 9.5 | - | A 2630 |
| BC | 1913 | 4 | 25° | 0.5'' | 8 | 10.7 | - | A 2630 |
| 1964 | 16° | 0.4'' |
discoverer information:
| discoverer code | discoverer | reference |
| STF 630 | Struve, F.G.W. | - |
| A 2630 | Aitken, R.G. | - |