A0425

Bibliography Data

Title Improved Atomic Transition Probabilities for UV and Optical Lines of Hf II and Determination of the Hf Abundance in Two Metal-poor Stars
ADS E.A.DenHartog et al.,ApJS, 254, 5, 2021
Authors E. A. DenHartog, J. E. Lawler, I. U. Roederer

Milky Way

List of objects (2 stars)

S: Find this object in SIMBAD
O: Find this object in Other papers

Name Comment SIMBAD Object
HD196944 N/A S O
HD222925 N/A S O

HD196944

Stellar Parameters

Teff : 5170 log g : 1.60 vturb : 1.55

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
FeN/A-2.41......-2.41...5.09Fe
HfN/A...0.84+-0.03-0.72+-0.03-1.43+-0.030.98+-0.03-0.72+-0.03Hf

Position

Right Ascension : Declination : 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 HST 114000 N/A N/A N/A
N/A MIKELCO 41000 N/A N/A N/A

HD222925

Stellar Parameters

Teff : 5636 log g : 2.54 vturb : 2.20

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
FeN/A...-1.46...-8.96-1.46-1.46Fe
HfN/A...0.92+-0.030.32+-0.03-0.39+-0.030.92+-0.030.32+-0.03Hf

Position

Right Ascension : Declination : 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 HST 114000 N/A N/A N/A
N/A MIKELCO 68000 N/A N/A N/A