Nashira
catalogues and names | Nashira, g Cap, 40 Cap, HR 8278, HD 206088, SAO 164560, FK5: 812 |
constellation | Capricornus |
data from The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) (Hoffleit+, 1991)
note (category: star names): | Nashira. |
position, motion, parallax:
position (J2000) | RA: 21h 40min 5,5sec | DEC: -16° 39' 44'' |
position (J1900) | RA: 21h 34min 33,1sec | DEC: -17° 6' 51'' |
proper motion (J2000) | RA: 0,19 arcsec/a | DEC: -0,023 arcsec/a |
radial velocity | -31 km/s note: spectroscopic binaries |
|
rotational velocity | 30 km/s (uncertain) (variable) | |
trigonometric parallax | 0,029 arcsec |
magnitude
visual magnitude | 3,68 (V on UBV Johnson system) |
spectral / color information
spectral class | F0p |
B-V-magnitude | 0,32 |
U-B-magnitude | 0,2 |
R-I-magnitude | 0,14 |
note (category: spectra): | Violet part of spectrum indicates luminosity III; G-band region, V; SrII4077 very strong, indicating luminosity II. Also classified Am. |
miscellaneous information
note (category: group membership): | Hyades group. |
data from SKY2000 - Master Star Catalog (Myers+ 1997)
position, motion, parallax:
position (J2000) | RA: 21h 40min 5,457sec | DEC: -16° 39' 44,4'' | ±0,06 arcsec | source: 15 |
proper motion (J2000) | RA: 0,0132 arcsec/a | DEC: -0,024 arcsec/a | source: 25 | |
radial velocity | -31 km/s | source: 25 | ||
trigonometric parallax | 0,029 | ±0,003 arcsec | source: 25 | |
galactic coord. (B1950) | longitude: 36,01° | latitude: -44,67° | ||
GCI unit vector (J2000) | X: 0,784975 | Y: -0,549181 | Z: -0,286731 |
magnitude:
visual | 3,68 (observed) | source: 25 |
photovisual | 3,8 | source: 2 |
photographic | 4,1 | source: 2 |
spectral information:
spectral class | F0 | source: 96 | |
Morgan-Keenan | F0p | source: 25 | |
B-magnitude | 4 ±0,05 | B-V-magnitude | 0,32 |
U-magnitude | 4,2 ±0,05 | U-B-magnitude | 0,2 |
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 | |
15 | FK5, FK5 Extension and FK5 Supplement |
Fricke, W., H. Schwan and T. Lederle, "Fifth Fundamental Catalogue (FK5), Part I. The Basic Fundamental Stars," Veroff. Astronomisches Recheninstitut, No. 32, Heidelberg, Germany, 1988, and Fricke, W., H. Schwan, and T.E. Corbin, "Fifth Fundamental Catalogue (FK5), Part II. The FK5 Extension," Veröff. Astronomisches Recheninstitut, No. 33, Heidelberg, Germany, 1991 | |
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 (J1950) | RA: 21h 37min 19,372sec | DEC: -16° 53' 21,05'' | ±0,004 arcsec |
position (J2000) | RA: 21h 40min 5,46sec | DEC: -16° 39' 44,44'' | |
proper motion J1950 (FK4) | RA: 0,0131 arcsec/a | DEC: -0,022 arcsec/a | ±0,001 arcsec/a in RA ±0,001 arcsec/a in DEC |
proper motion J2000 (FK5) | RA: 0,0132 arcsec/a | DEC: -0,024 arcsec/a | |
source of proper motion data | Determined by source catalog |
magnitude:
visual | 3,8 (accuracy: 2 decimals) |
source of visual magnitude data | Taken from the "Henry Draper Catalogue". |
spectral information:
spectral class | F0p |
source of spectral data | Taken from the Henry Draper Catalogue or no spectrum in source catalog. |
catalogues
source catalogue | FK4, catalogue number: 812 |
Durchmusterung | BD-17 6340 |
Boss General Catalogue | 30320 |
Henry Draper Catalogue | 206088 |