HR 1967
catalogues and names
catalogues and names | HR 1967, HD 38089, SAO 132477, BD -6 1293, WDS 05429-0648A |
data from The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) (Hoffleit+, 1991)
position, motion, parallax:
position (J2000) | RA: 5h 42min 53.8sec | DEC: -6° 47' 46'' | ||
position (B1900) | RA: 5h 38min 2.4sec | DEC: -6° 50' 43'' | ||
proper motion (J2000) | RA: -0.003 arcsec/a | DEC: 0.068 arcsec/a | ||
radial velocity | -7 km/s note: spectroscopic binaries |
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dynamical parallax | 0.019 arcsec | |||
galactic coordinates | longitude: 211.24° | latitude: -18.32° |
magnitude
visual magnitude | 6.02 (V on UBV Johnson system) |
spectral / color information
spectral class | F3V |
B-V-magnitude | 0.4 |
U-B-magnitude | -0.05 |
double/multiple star system information
number of components of multiple star system | 4 |
separation | 0.2 arcsec |
mag difference (of double or brightest multiple) | 0.4 |
component ID | AB |
note (category: double and multiple data): | AB 6.5 F5V, 6.9 F6V, 20.10y, a = 0.201". |
data from SKY2000 - Master Star Catalog (Myers+ 1997)
position, motion, parallax:
position (J2000) | RA: 5h 42min 53.903sec | DEC: -6° 47' 46.38'' | ±0.19 arcsec | source: 16 |
proper motion (J2000) | RA: 0.0002 arcsec/a | DEC: 0.06 arcsec/a | source: 25 | |
radial velocity | -7 km/s | source: 25 | ||
galactic coord. (B1950) | longitude: 211.24° | latitude: -18.32° |
magnitude:
visual | 6.02 (observed) | source: 25 |
photovisual | 6.1 | source: 16 |
photographic | 6.4 | source: 2 |
spectral information:
spectral class | F5 | source: 96 | |
Morgan-Keenan | F3V | source: 25 | |
B-magnitude | 6.42 ±0.05 | B-V-magnitude | 0.4 |
U-magnitude | 6.37 ±0.05 | U-B-magnitude | -0.05 |
double/multiple star system information:
magnitude difference between brightest and second brightest component | 0.3 |
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: 5h 40min 28.063sec | DEC: -6° 49' 9.13'' | ±0.045 arcsec |
position (J2000) | RA: 5h 42min 53.846sec | DEC: -6° 47' 45.67'' | |
proper motion B1950 (FK4) | RA: -0.0006 arcsec/a | DEC: 0.067 arcsec/a | ±0.01 arcsec/a in RA ±0.006 arcsec/a in DEC |
proper motion J2000 (FK5) | RA: -0.0002 arcsec/a | DEC: 0.068 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 | F5 |
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: 7151 |
Durchmusterung | BD-06 1293 |
Boss General Catalogue | 7151 |
Henry Draper Catalogue | 38089 |
data from The Washington Visual Double Star Catalog, 1996.0 (Worley+, 1996)
position and proper motion:
position (J2000) | RA: 5h 42.9min | DEC: -6° 48' |
proper motion (J2000) | RA: -0.001 arcsec/a | DEC: 0.057 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 |
AB | 1903 | 57 | ° | '' | 6.6 | 6.9 | F3V | A 494 |
AB-C | 1903 | 3 | 232° | 99'' | 5.97 | 10.35 | - | A 494 |
1971 | - | 101.6'' | ||||||
CD | 1903 | 2 | 199° | 1'' | 10 | 13.5 | - | A 494 |
discoverer information:
discoverer code | discoverer | reference |
A 494 | Aitken, R.G. | - |
notes:
note | P = 20yr., a = 0.20", motion direct. |
data from 4th Catalog of Orbits of Visual Binaries (Worley+, 1983)
position:
position (B1900) | RA: 5h 38min | DEC: -6° 51' |
magnitudes, spectral classes, orbital elements:
author: | P. Couteau |
date of observation: | 1956 |
magnitude of component A: | 6.6 |
magnitude of component B: | 6.6 |
spectral class component B: | F5V |
spectral class component B: | F5V |
period [y]: | 20.1 |
semi-major axis [arcsec]: | 0.201 |
inclination [deg]: | 65.2 |
node [deg]: | 99.3 |
eccentricity: | 0.36 |
time of periastron passage: | 1958.75 |
dates of ephemeris: | 1 rev. |
grade: | good |
reference: | J. Observateurs 41, 93; 1958. |
notes | Suspected RV variation not confirmed (Heintz 1981). The faint pair CD (mag. 10-13, 1.0") is 100" distant from AB. |
other name(s) | A 494 |