65 Piscium
catalogues and names
| catalogues and names | 65 Psc, HR 230, HD 4757, SAO 74295, BD +26 131 B, WDS 00499+2743B |
| constellation | Pisces |
data from The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) (Hoffleit+, 1991)
position, motion, parallax:
| position (J2000) | RA: 0h 49min 52.8sec | DEC: +27° 42' 39'' | ||
| position (B1900) | RA: 0h 44min 30.6sec | DEC: +27° 9' 58'' | ||
| proper motion (J2000) | RA: 0.084 arcsec/a | DEC: -0.01 arcsec/a | ||
| radial velocity | 5 km/s note: variable radial velocity |
|||
| rotational velocity | 82 km/s (uncertain) (variable) | |||
| trigonometric parallax | 0.011 arcsec | |||
| galactic coordinates | longitude: 122.51° | latitude: -35.16° | ||
| note (category: dynamical parallaxes): | 0.004". |
magnitude
| visual magnitude | 7 (V on UBV Johnson system) |
spectral / color information
| spectral class | F4III |
| B-V-magnitude | 0.36 |
| U-B-magnitude | 0.06 |
| note (category: colors): | Colors for blend with HR 231. Mag. for blend, 5.56V. |
double/multiple star system information
| separation | 4.5 arcsec |
| mag difference (of double or brightest multiple) | 0 |
| note (category: double and multiple data): | CPM with HR 231. |
miscellaneous information
| note (category: group membership): | Hyades group. |
data from SKY2000 - Master Star Catalog (Myers+ 1997)
position, motion, parallax:
| position (J2000) | RA: 0h 49min 52.808sec | DEC: +27° 42' 38.81'' | ±1.24 arcsec | source: 29 |
| proper motion (J2000) | RA: 0.0063 arcsec/a | DEC: -0.01 arcsec/a | source: 25 | |
| radial velocity | 5 km/s | source: 25 | ||
| trigonometric parallax | 0.011 arcsec | ±0.001 arcsec | source: 25 | |
| galactic coord. (B1950) | longitude: 122.52° | latitude: -35.16° | ||
magnitude:
| visual | 7 (observed) | source: 25 |
| photovisual | 6.3 | source: 2 |
| photographic | 5.8 | source: 16 |
spectral information:
| spectral class | F0 | source: 96 | |
| Morgan-Keenan | F4III | source: 25 | |
| B-magnitude | 7.36 ±0.05 | B-V-magnitude | 0.36 |
| U-magnitude | 7.42 ±0.05 | U-B-magnitude | 0.06 |
double/multiple star system information:
| separation between brightest and second brightest component | 4.6 arcsec |
| magnitude difference between brightest and second brightest component | 0 |
| position angle | 295 ° |
| component | magnitude | spectral class | catalogue(s)/name(s) |
| A | 7 | F0 | 65 Psc, HR 230, HD 4757, SAO 74295 |
| B | 7.1 | F0 | 65 Psc, HR 231, HD 4758, SAO 74296 |
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: 0h 47min 11.4sec | DEC: +27° 26' 19.64'' | ±0.026 arcsec |
| position (J2000) | RA: 0h 49min 52.808sec | DEC: +27° 42' 38.81'' | |
| proper motion B1950 (FK4) | RA: 0.0063 arcsec/a | DEC: -0.005 arcsec/a | ±0.004 arcsec/a in RA ±0.004 arcsec/a in DEC |
| proper motion J2000 (FK5) | RA: 0.0063 arcsec/a | DEC: -0.01 arcsec/a | |
| source of proper motion data | Determined by source catalog | ||
magnitude:
| visual | 6.3 (accuracy: 2 decimals) |
| source of visual magnitude data | Taken from Harvard or San Luis photometry. |
spectral information:
| spectral class | F0 |
| 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: 992 |
| Durchmusterung | BD+26 131B |
| Boss General Catalogue | 992 |
| Henry Draper Catalogue | 4757 |
data from The Washington Visual Double Star Catalog, 1996.0 (Worley+, 1996)
position and proper motion:
| position (J2000) | RA: 0h 49.9min | DEC: +27° 43' |
| proper motion (J2000) | RA: 0.068 arcsec/a | DEC: 0.005 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 |
| - | 1820 | often | 297° | 4.4'' | 6.3 | 6.3 | F5III | STF 61 |
| 1987 | 295° | 4.6'' |
discoverer information:
| discoverer code | discoverer | reference |
| STF 61 | Struve, F.G.W. | - |
notes:
| note | 65 Psc. Proper motion of B +097 -022. |