SDSSJ0212+0137

taken from 1 paper(s):

/P.Bonifacio et al.(2015)/

P.Bonifacio et al.,AAP, 579, A28, 2015(ADS)

TOPoS . II. On the bimodality of carbon abundance in CEMP stars Implications on the early chemical evolution of galaxies


Stellar Parameters

Teff : 6333 log g : 4.0 vturb : 1.3

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 I1......2.04-1.222.372.04Li I
CN/A......7.12-1.312.287.12C
CHN/A-1.38...7.12-1.312.287.12CH
CNN/A<-0.96...<6.90<-0.93<2.66<6.90CN
O I3-2.06...6.70-1.991.606.70O I
Mg I3-3.01+-0.08...4.53+-0.08-3.07+-0.080.52+-0.084.53+-0.08Mg I
Al I2-4.16+-0.04...2.31+-0.04-4.14+-0.04-0.55+-0.042.31+-0.04Al I
Si I1-3.37...4.15-3.360.234.15Si I
CaN/A-2.81......-2.790.803.55Ca
Ca I1-2.98...3.35-2.990.603.35Ca I
Sc II1-3.10...0.00-3.150.440.00Sc II
Ti II9-2.91+-0.13...1.99+-0.13-2.96+-0.130.63+-0.131.99+-0.13Ti II
Cr I1-3.55...2.09-3.550.042.09Cr I
FeN/A-3.59......-3.59...3.91Fe
Fe I17-3.59+-0.15...3.93+-0.15-3.57+-0.15...3.93+-0.15Fe I
Co I1-2.43...2.49-2.501.092.49Co I
Ni I2-3.46+-0.07...2.77+-0.07-3.45+-0.070.14+-0.072.77+-0.07Ni I
Sr II2-3.83+-0.06...-0.91+-0.06-3.78+-0.06-0.19+-0.06-0.91+-0.06Sr II
Ba II1-3.57...-1.40-3.580.01-1.40Ba II

Binary Parameters

Vrad 3.36+-0.53

Position

Right Ascension : 02 12 38.48 Declination : +01 37 58.1 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2013-08-06 2456510.771576 VLT 47000 79-210 3000 3.44
2013-08-06 2456510.807209 VLT 47000 79-210 3000 3.67
2013-08-06 2456510.84287 VLT 47000 79-210 3000 3.48
2013-08-06 2456510.878487 VLT 47000 79-210 3000 2.39
2013-08-12 2456516.753895 VLT 47000 79-210 3000 3.26
2013-08-12 2456516.798453 VLT 47000 79-210 3000 3.36
2013-08-12 2456516.83533 VLT 47000 79-210 3000 2.77
2013-08-12 2456516.872381 VLT 47000 79-210 3000 3.87
2013-08-13 2456517.869565 VLT 47000 79-210 3000 3.71
2013-08-31 2456535.73587 VLT 47000 79-210 3700 5.73
2013-08-31 2456535.77313 VLT 47000 79-210 3700 3.98