Difference between revisions of "Gastins Star"
From NSwiki, the NationStates encyclopedia.
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'''Observation data''' | '''Observation data''' | ||
| − | Epoch J2000 | + | |
| − | Constellation Cetus | + | Epoch J2000 <br> |
| − | Right ascension 01h 44m 04.1s | + | Constellation Cetus <br> |
| − | Declination -15° 56' 14" | + | Right ascension 01h 44m 04.1s <br> |
| − | Apparent magnitude (V) 3.49 | + | Declination -15° 56' 14" <br> |
| + | Apparent magnitude (V) 3.49 <br> | ||
'''Characteristics''' | '''Characteristics''' | ||
| − | Spectral type G8 Vp | + | |
| − | B-V color index 0.72 | + | Spectral type G8 Vp <br> |
| − | U-B color index 0.21 | + | B-V color index 0.72 <br> |
| − | Variable type None | + | U-B color index 0.21 <br> |
| + | Variable type None <br> | ||
'''Astrometry''' | '''Astrometry''' | ||
| − | Radial velocity (Rv) -17 km/s | + | |
| − | Proper motion (μ) RA: -1.722"/yr | + | Radial velocity (Rv) -17 km/s <br> |
| − | Dec.: 0.854"/yr | + | Proper motion (μ) RA: -1.722"/yr<br> |
| − | Parallax (π) 0.27439" ± 0.00076" | + | Dec.: 0.854"/yr <br> |
| − | Distance 221.88 ly | + | Parallax (π) 0.27439" ± 0.00076" <br> |
| − | Absolute magnitude (MV) 5.68 | + | Distance 221.88 ly <br> |
| + | Absolute magnitude (MV) 5.68 <br> | ||
'''Details''' | '''Details''' | ||
| − | Mass 0.81 M☉ | + | |
| − | Radius 0.77 R☉ | + | Mass 0.81 M☉ <br> |
| − | Luminosity 0.59 L☉ | + | Radius 0.77 R☉ <br> |
| − | Temperature 5,380 K | + | Luminosity 0.59 L☉ <br> |
| − | Metallicity 41% | + | Temperature 5,380 K <br> |
| − | Rotation period 31 days | + | Metallicity 41% <br> |
| − | Age 1.0 × 1010 years | + | Rotation period 31 days <br> |
| + | Age 1.0 × 1010 years <br> | ||
[[Category:Zepplin Manufacturers Industries]][[Category:Gastins World]][[Category: Astronomical objects]] | [[Category:Zepplin Manufacturers Industries]][[Category:Gastins World]][[Category: Astronomical objects]] | ||
Revision as of 10:00, 18 October 2005
Observation data
Epoch J2000
Constellation Cetus
Right ascension 01h 44m 04.1s
Declination -15° 56' 14"
Apparent magnitude (V) 3.49
Characteristics
Spectral type G8 Vp
B-V color index 0.72
U-B color index 0.21
Variable type None
Astrometry
Radial velocity (Rv) -17 km/s
Proper motion (μ) RA: -1.722"/yr
Dec.: 0.854"/yr
Parallax (π) 0.27439" ± 0.00076"
Distance 221.88 ly
Absolute magnitude (MV) 5.68
Details
Mass 0.81 M☉
Radius 0.77 R☉
Luminosity 0.59 L☉
Temperature 5,380 K
Metallicity 41%
Rotation period 31 days
Age 1.0 × 1010 years
