NSV 16690
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 16690, HR 2024, HD 39118, SAO 113198, BD +1 1148 |
data from The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) (Hoffleit+, 1991)
position, motion, parallax:
position (J2000) | RA: 5h 50min 30sec | DEC: +2° 1' 28'' | ||
position (B1900) | RA: 5h 45min 18sec | DEC: +1° 59' 44'' | ||
proper motion (J2000) | RA: 0.001 arcsec/a | DEC: -0.015 arcsec/a | ||
radial velocity | 7 km/s note: spectroscopic binaries note: orbital data avaible |
|||
rotational velocity | =<50 km/s (uncertain) (variable) | |||
galactic coordinates | longitude: 204.02° | latitude: -12.57° |
magnitude
visual magnitude | 5.98 (V on UBV Johnson system) |
spectral / color information
spectral class | G8III+A0IV |
B-V-magnitude | 0.91 |
U-B-magnitude | 0.3 |
note (category: spectra): | vsini of secondary 85k/s. |
variability information
variable star identification | Var |
note (category: variability): | Amp. 0.082. |
double/multiple star system information
note (category: spectroscopic binaries): | 209.20d, K 19.2k/s, V0 +15.3k/s, asini 50.1. |
data from SKY2000 - Master Star Catalog (Myers+ 1997)
position, motion, parallax:
position (J2000) | RA: 5h 50min 30.028sec | DEC: +2° 1' 28.93'' | ±0.35 arcsec | source: 34 |
proper motion (J2000) | RA: 0.0002 arcsec/a | DEC: -0.005 arcsec/a | source: 25 | |
radial velocity | 7 km/s | source: 25 | ||
galactic coord. (B1950) | longitude: 204.03° | latitude: -12.57° |
magnitude:
visual | 5.98 (observed) | source: 25 |
photovisual | 6.3 | source: 2 |
photographic | 6.9 | source: 16 |
spectral information:
spectral class | G0 | source: 96 | |
Morgan-Keenan | G8III+A0IV | source: 25 | |
B-magnitude | 6.89 ±0.05 | B-V-magnitude | 0.91 |
U-magnitude | 7.19 ±0.05 | U-B-magnitude | 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 | |
25 | Bright Star Catalogue, 5th edition |
Hoffleit, D. and Warren, W.H. Jr., The Bright Star Catalogue, 5th Revised Edition, Version 2, 1994 | |
34 | IRS Catalog |
Corbin, T.E., 1991, U.S. Naval Observatory, International Reference Stars Catalog | |
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 47min 53.917sec | DEC: +2° 0' 41.39'' | ±0.041 arcsec |
position (J2000) | RA: 5h 50min 30.012sec | DEC: +2° 1' 27.85'' | |
proper motion B1950 (FK4) | RA: -0.0002 arcsec/a | DEC: -0.015 arcsec/a | ±0.009 arcsec/a in RA ±0.008 arcsec/a in DEC |
proper motion J2000 (FK5) | RA: 0 arcsec/a | DEC: -0.015 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 | +++ |
source of spectral data | Taken from the Henry Draper Catalogue or no spectrum in source catalog. |
catalogues
source catalogue | GC, catalogue number: 7328 |
Durchmusterung | BD+01 1148 |
Boss General Catalogue | 7328 |
Henry Draper Catalogue | 39118 The "SAO Catalog" entry refers to two consecutive HD numbers, the lower of which is given. |