HR 4827
| 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 | HR 4827, HD 110385, SAO 157451, BD -18 3442 |
data from The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) (Hoffleit+, 1991)
position, motion, parallax:
| position (J2000) | RA: 12h 41min 49.2sec | DEC: -19° 45' 31'' | ||
| position (B1900) | RA: 12h 36min 35.2sec | DEC: -19° 12' 38'' | ||
| proper motion (J2000) | RA: -0.212 arcsec/a | DEC: 0.027 arcsec/a | ||
| radial velocity | -3 km/s | |||
| rotational velocity | 82 km/s (uncertain) (variable) | |||
| galactic coordinates | longitude: 299.84° | latitude: 43.06° | ||
magnitude
| visual magnitude | 6.03 (V on UBV Johnson system) |
spectral / color information
| spectral class | F3-5III |
| B-V-magnitude | 0.39 |
| U-B-magnitude | 0.09 |
miscellaneous information
| note (category: group membership): | Hyades group. |
data from SKY2000 - Master Star Catalog (Myers+ 1997)
position, motion, parallax:
| position (J2000) | RA: 12h 41min 49.397sec | DEC: -19° 45' 32.68'' | ±0.19 arcsec | source: 16 |
| proper motion (J2000) | RA: -0.0128 arcsec/a | DEC: 0.019 arcsec/a | source: 25 | |
| radial velocity | -3 km/s | source: 25 | ||
| galactic coord. (B1950) | longitude: 299.85° | latitude: 43.05° | ||
magnitude:
| visual | 6.03 (observed) | source: 25 |
| photovisual | 6.1 | source: 16 |
spectral information:
| spectral class | F2 | source: 96 | |
| Morgan-Keenan | F3-5III | source: 25 | |
| B-magnitude | 6.42 ±0.05 | B-V-magnitude | 0.39 |
| U-magnitude | 6.51 ±0.05 | U-B-magnitude | 0.09 |
sources:
| 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 | |
| 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: 12h 39min 11.959sec | DEC: -19° 29' 5.82'' | ±0.059 arcsec |
| position (J2000) | RA: 12h 41min 49.159sec | DEC: -19° 45' 31.21'' | |
| proper motion B1950 (FK4) | RA: -0.0152 arcsec/a | DEC: 0.022 arcsec/a | ±0.012 arcsec/a in RA ±0.011 arcsec/a in DEC |
| proper motion J2000 (FK5) | RA: -0.015 arcsec/a | DEC: 0.027 arcsec/a | |
| source of proper motion data | Determined by source catalog | ||
magnitude:
| visual | 6 (accuracy: 2 decimals) |
| source of visual magnitude data | Taken from Harvard or San Luis photometry. |
spectral information:
| spectral class | F2 |
| source of spectral data | Taken from the Henry Draper Catalogue or no spectrum in source catalog. |
catalogues
| source catalogue | GC, catalogue number: 17273 |
| Durchmusterung | BD-18 3442 |
| Boss General Catalogue | 17273 |
| Henry Draper Catalogue | 110385 |