HE2327-5642
taken from 4 paper(s):
/P.S.Barklem et al.(2005)/
/L.Mashonkina et al.(2010)/
/L.Zhang et al.(2011)/
/J.Ren et al.(2012)/
The Hamburg/ESO R-process enhanced star survey (HERES). II. Spectroscopic analysis of the survey sample
Stellar Parameters
| Teff : 5048 | log g : 2.22 | vturb : 1.69 |
Chemical Abundances
| | Original Data | Converted Data Asplund et al. (2009) | |
|---|
| Element | Nline | [X/H] | [X/Fe] | log-e | [X/H] | [X/Fe] | log-e | Element |
|---|
| CH | 1 | ... | 0.43+-0.29 | 5.88+-0.26 | -2.55+-0.26 | 0.38+-0.29 | 5.88+-0.26 | CH |
| Mg I | 6 | ... | 0.14+-0.24 | 4.79+-0.18 | -2.81+-0.18 | 0.12+-0.24 | 4.79+-0.18 | Mg I |
| Al I | 1 | ... | -0.90+-0.25 | 2.63+-0.23 | -3.82+-0.23 | -0.89+-0.25 | 2.63+-0.23 | Al I |
| Ca I | 7 | ... | 0.18+-0.25 | 3.60+-0.20 | -2.74+-0.20 | 0.19+-0.25 | 3.60+-0.20 | Ca I |
| Sc II | 4 | ... | -0.06+-0.25 | 0.17+-0.23 | -2.98+-0.23 | -0.05+-0.25 | 0.17+-0.23 | Sc II |
| Ti | 12 | ... | 0.06+-0.24 | 2.14+-0.21 | -2.81+-0.21 | 0.12+-0.24 | 2.14+-0.21 | Ti |
| Cr I | 3 | ... | -0.42+-0.23 | 2.32+-0.23 | -3.32+-0.23 | -0.39+-0.23 | 2.32+-0.23 | Cr I |
| Mn I | 3 | ... | -0.68+-0.24 | 1.78+-0.22 | -3.65+-0.22 | -0.72+-0.24 | 1.78+-0.22 | Mn I |
| Fe | 50 | ... | 0.00+-0.22 | 4.57+-0.18 | -2.93+-0.18 | 0.00+-0.22 | 4.57+-0.18 | Fe |
| Co I | 5 | ... | 0.15+-0.25 | 2.14+-0.22 | -2.85+-0.22 | 0.08+-0.25 | 2.14+-0.22 | Co I |
| Ni I | 4 | ... | 0.01+-0.25 | 3.32+-0.25 | -2.90+-0.25 | 0.03+-0.25 | 3.32+-0.25 | Ni I |
| Sr | 2 | ... | 0.31+-0.27 | 0.34+-0.28 | -2.53+-0.28 | 0.40+-0.27 | 0.34+-0.28 | Sr |
| Y II | 3 | ... | 0.12+-0.26 | -0.57+-0.23 | -2.78+-0.23 | 0.15+-0.26 | -0.57+-0.23 | Y II |
| Ba II | 1 | ... | 0.66+-0.27 | -0.14+-0.28 | -2.32+-0.28 | 0.61+-0.27 | -0.14+-0.28 | Ba II |
| La II | 1 | ... | 0.67+-0.26 | -1.10+-0.23 | -2.20+-0.23 | 0.73+-0.26 | -1.10+-0.23 | La II |
| Nd II | 2 | ... | 0.74+-0.26 | -0.69+-0.23 | -2.11+-0.23 | 0.82+-0.26 | -0.69+-0.23 | Nd II |
| Eu II | 4 | ... | 1.22+-0.26 | -1.20+-0.23 | -1.72+-0.23 | 1.21+-0.26 | -1.20+-0.23 | Eu II |
Position
| Right Ascension : 23 30 37.08 | Declination : -56 26 14.3 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| N/A | VLT | 20000 | 69 | N/A | 282.1 |
The Hamburg/ESO R-process Enhanced Star survey (HERES) V. Detailed abundance analysis of the r-process enhanced star HE 2327-5642
Stellar Parameters
| Teff : 5050+-70 | log g : 2.34+-0.1 | vturb : 1.8+-0.1 |
Chemical Abundances
| | Original Data | Converted Data Asplund et al. (2009) | |
|---|
| Element | Nline | [X/H] | [X/Fe] | log-e | [X/H] | [X/Fe] | log-e | Element |
|---|
| Li I | 1 | ... | ... | 0.99 | -2.27 | 0.51 | 0.99 | Li I |
| CH | 4 | ... | 0.13 | 5.74+-0.01 | -2.69+-0.01 | 0.09 | 5.74+-0.01 | CH |
| NH | 1 | ... | -0.20 | 4.78 | -3.05 | -0.27 | 4.78 | NH |
| Si I | 1 | ... | ... | 4.85 | -2.66 | 0.12 | 4.85 | Si I |
| Sc II | 4 | ... | -0.22 | 0.10+-0.02 | -3.05+-0.02 | -0.27 | 0.10+-0.02 | Sc II |
| Ti I | 10 | ... | 0.12 | 2.14+-0.08 | -2.81+-0.08 | -0.03 | 2.14+-0.08 | Ti I |
| Ti II | 26 | ... | 0.09 | 2.21+-0.09 | -2.74+-0.09 | 0.04 | 2.21+-0.09 | Ti II |
| V II | 4 | ... | -0.33 | 0.89+-0.08 | -3.04+-0.08 | -0.26 | 0.89+-0.08 | V II |
| Cr I | 6 | ... | -0.44 | 2.32+-0.11 | -3.32+-0.11 | -0.54 | 2.32+-0.11 | Cr I |
| Mn I | 1 | ... | -0.60 | 1.89 | -3.54 | -0.76 | 1.89 | Mn I |
| Mn II | 3 | ... | -0.61 | 1.98+-0.10 | -3.45+-0.10 | -0.67 | 1.98+-0.10 | Mn II |
| Fe | N/A | -2.78+-0.09 | ... | ... | -2.78+-0.09 | ... | 4.72+-0.09 | Fe |
| Co I | 6 | ... | -0.08 | 1.96+-0.08 | -3.03+-0.08 | -0.25 | 1.96+-0.08 | Co I |
| Ni I | 8 | ... | -0.25 | 3.10+-0.10 | -3.12+-0.10 | -0.34 | 3.10+-0.10 | Ni I |
| Zn I | 2 | ... | 0.09 | 1.83+-0.01 | -2.73+-0.01 | 0.05 | 1.83+-0.01 | Zn I |
| Sr II | 2 | ... | -0.15 | -0.01 | -2.88 | -0.10 | -0.01 | Sr II |
| Y II | 9 | ... | -0.12 | -0.69+-0.06 | -2.90+-0.06 | -0.12 | -0.69+-0.06 | Y II |
| Zr II | 12 | ... | 0.24 | 0.04+-0.05 | -2.54+-0.05 | 0.24 | 0.04+-0.05 | Zr II |
| Mo I | 1 | ... | 0.47 | -0.49 | -2.37 | 0.41 | -0.49 | Mo I |
| Pd I | 1 | ... | 0.50 | -0.72 | -2.29 | 0.49 | -0.72 | Pd I |
| Ba II | 3 | ... | 0.31 | -0.30+-0.03 | -2.48+-0.03 | 0.30 | -0.30+-0.03 | Ba II |
| La II | 8 | ... | 0.54 | -1.10+-0.02 | -2.20+-0.02 | 0.58 | -1.10+-0.02 | La II |
| Ce II | 12 | ... | 0.54 | -0.63+-0.06 | -2.21+-0.06 | 0.57 | -0.63+-0.06 | Ce II |
| Pr II | 3 | ... | 0.87 | -1.15+-0.06 | -1.87+-0.06 | 0.91 | -1.15+-0.06 | Pr II |
| Nd II | 24 | ... | 0.72 | -0.61+-0.08 | -2.03+-0.08 | 0.75 | -0.61+-0.08 | Nd II |
| Sm II | 6 | ... | 0.86 | -0.92+-0.09 | -1.88+-0.09 | 0.90 | -0.92+-0.09 | Sm II |
| Eu II | 4 | ... | 0.98 | -1.29+-0.02 | -1.81+-0.02 | 0.97 | -1.29+-0.02 | Eu II |
| Gd II | 8 | ... | 0.95 | -0.72+-0.07 | -1.79+-0.07 | 0.99 | -0.72+-0.07 | Gd II |
| Tb II | 2 | ... | 0.99 | -1.51+-0.03 | -1.83+-0.03 | 0.95 | -1.51+-0.03 | Tb II |
| Dy II | 15 | ... | 1.05 | -0.60+-0.06 | -1.70+-0.06 | 1.08 | -0.60+-0.06 | Dy II |
| Ho II | 5 | ... | 0.96 | -1.30+-0.10 | -1.77+-0.10 | 1.01 | -1.30+-0.10 | Ho II |
| Er II | 11 | ... | 1.02 | -0.80+-0.09 | -1.72+-0.09 | 1.06 | -0.80+-0.09 | Er II |
| Tm II | 5 | ... | 0.99 | -1.65+-0.08 | -1.77+-0.08 | 1.01 | -1.65+-0.08 | Tm II |
| Yb II | 1 | ... | 0.89 | -1.03 | -1.95 | 0.83 | -1.03 | Yb II |
| Hf II | 1 | ... | 0.58 | -1.32 | -2.03 | 0.75 | -1.32 | Hf II |
| Os I | 1 | ... | 1.26 | -0.17 | -1.57 | 1.21 | -0.17 | Os I |
| Ir I | 1 | ... | 1.45 | -0.05 | -1.43 | 1.35 | -0.05 | Ir I |
| Th II | 1 | ... | 1.03 | -1.67 | -1.73 | 1.05 | -1.67 | Th II |
Isotopic Ratio
Binary Parameters
| Binarity | Positive |
| Vrad | 282.2+-0.3 |
Position
| Right Ascension : 23 30 37.08 | Declination : -56 26 14.3 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| 2452923.637 | VLT | 60000 | 10-180 | N/A | 282+-2 |
| 2453587.672 | VLT | 60000 | 10-180 | N/A | 282.2+-0.3 |
| 2453587.672 | VLT | 60000 | 10-180 | N/A | 282.2+-0.3 |
| 2453587.715 | VLT | 60000 | 10-180 | N/A | 282.3+-0.2 |
| 2453587.757 | VLT | 60000 | 10-180 | N/A | 282.3+-0.3 |
| 2453587.821 | VLT | 60000 | 10-180 | N/A | 282.2+-0.3 |
| 2453592.789 | VLT | 60000 | 10-180 | N/A | 281.3+-0.3 |
| 2453613.592 | VLT | 60000 | 10-180 | N/A | 281.3+-0.4 |
| 2453613.635 | VLT | 60000 | 10-180 | N/A | 281.5+-0.5 |
| 2453613.678 | VLT | 60000 | 10-180 | N/A | 281.1+-0.7 |
| 2453613.721 | VLT | 60000 | 10-180 | N/A | 281.4+-0.6 |
| 2453645.581 | VLT | 60000 | 10-180 | N/A | 281.3+-0.3 |
| 2453653.544 | VLT | 60000 | 10-180 | N/A | 282.4+-0.2 |
| 2453653.587 | VLT | 60000 | 10-180 | N/A | 282.4+-0.2 |
| 2453666.612 | VLT | 60000 | 10-180 | N/A | 284.1+-0.2 |
| 2453666.657 | VLT | 60000 | 10-180 | N/A | 284+-0.2 |
| 2454407.52 | VLT | 60000 | 10-180 | N/A | 302.4+-0.3 |
| 2454490.527 | VLT | 60000 | 10-180 | N/A | 282.9+-0.3 |
The Hamburg/ESO R-process Enhanced Star survey (HERES). VI. The Galactic chemical evolution of silicon
Chemical Abundances
| | Original Data | Converted Data Asplund et al. (2009) | |
|---|
| Element | Nline | [X/H] | [X/Fe] | log-e | [X/H] | [X/Fe] | log-e | Element |
|---|
| C | N/A | -2.58 | 0.37 | 5.94 | -2.49 | 0.46 | 5.94 | C |
| Fe | N/A | -2.95 | ... | ... | -2.95 | ... | 4.55 | Fe |
Position
| Right Ascension : 23 30 37.08 | Declination : -56 26 14.3 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| N/A | VLT | 20000 | N/A | N/A | N/A |
The Hamburg/ESO R-process Enhanced Star survey (HERES). VII. Thorium abundances in metal-poor stars
Stellar Parameters
| Teff : 5048 | log g : 2.22 | vturb : 1.69 |
Chemical Abundances
| | Original Data | Converted Data Asplund et al. (2009) | |
|---|
| Element | Nline | [X/H] | [X/Fe] | log-e | [X/H] | [X/Fe] | log-e | Element |
|---|
| C | N/A | ... | 0.43 | ... | -2.39 | 0.39 | 6.04 | C |
| Fe | N/A | -2.95 | ... | ... | -2.78 | ... | 4.72 | Fe |
| Eu | N/A | ... | 1.22 | ... | -1.74 | 1.04 | -1.22 | Eu |
| Th | N/A | ... | 1.41 | -1.45 | -1.51 | 1.27 | -1.45 | Th |
Position
| Right Ascension : 23 30 37.08 | Declination : -56 26 14.3 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| 2001-10-07 | N/A | VLT | 20000 | 30-50 | N/A | N/A |