NSV 18076
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 | NSV 18076, HR 3538, HD 76151, SAO 136389, BD -4 2490 |
data from The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) (Hoffleit+, 1991)
position, motion, parallax:
position (J2000) | RA: 8h 54min 17.9sec | DEC: -5° 26' 4'' | ||
position (B1900) | RA: 8h 49min 22.3sec | DEC: -5° 3' 21'' | ||
proper motion (J2000) | RA: -0.416 arcsec/a | DEC: 0.031 arcsec/a | ||
radial velocity | 28 km/s note: variable radial velocity |
|||
rotational velocity | =<6 km/s (uncertain) (variable) | |||
trigonometric parallax | 0.085 arcsec | |||
galactic coordinates | longitude: 233.21° | latitude: 24.17° |
magnitude
visual magnitude | 6 (V on UBV Johnson system) |
spectral / color information
spectral class | G2V |
B-V-magnitude | 0.67 |
U-B-magnitude | 0.22 |
R-I-magnitude |
data from SKY2000 - Master Star Catalog (Myers+ 1997)
position, motion, parallax:
position (J2000) | RA: 8h 54min 17.953sec | DEC: -5° 26' 4.47'' | ±0.19 arcsec | source: 16 |
proper motion (J2000) | RA: -0.0275 arcsec/a | DEC: 0.025 arcsec/a | source: 25 | |
radial velocity | 28 km/s | source: 25 | ||
trigonometric parallax | 0.085 arcsec | ±0.008 arcsec | source: 25 | |
galactic coord. (B1950) | longitude: 233.22° | latitude: 24.17° |
magnitude:
visual | 6 (observed) | source: 25 |
photovisual | 6.4 | source: 16 |
photographic | 6.6 | source: 2 |
spectral information:
spectral class | G0 | source: 96 | |
Morgan-Keenan | G2V | source: 25 | |
B-magnitude | 6.67 ±0.05 | B-V-magnitude | 0.67 |
U-magnitude | 6.89 ±0.05 | U-B-magnitude | 0.22 |
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 | |
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: 8h 51min 50.117sec | DEC: -5° 14' 38.66'' | ±0.028 arcsec |
position (J2000) | RA: 8h 54min 17.919sec | DEC: -5° 26' 4.05'' | |
proper motion B1950 (FK4) | RA: -0.0282 arcsec/a | DEC: 0.026 arcsec/a | ±0.007 arcsec/a in RA ±0.007 arcsec/a in DEC |
proper motion J2000 (FK5) | RA: -0.0279 arcsec/a | DEC: 0.031 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 | G0 |
source of spectral data | Taken from the Henry Draper Catalogue or no spectrum in source catalog. |
catalogues
source catalogue | GC, catalogue number: 12307 |
Durchmusterung | BD-04 2490 |
Boss General Catalogue | 12307 |
Henry Draper Catalogue | 76151 |