HD284248
Original Names

• BD+21_607 in C.Charbonnel+,AAP, 442, 961, 2005
• HIP19797 in K.A.Venn+,AJ, 128, 1177, 2004


taken from 6 paper(s):


/J.R.Shi et al.(2007)/ /J.P.Fulbright(2000)/ /R.G.Gratton et al.(2003)/ /J.Melendez et al.(2010)/ /P.E.Nissen and W. J. Schuster(2010)/ /P. E. Nissen and W. J. Schuster(2011)/



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J.R.Shi et al.,AAP, 465, 587, 2007(ADS)

Lithium abundances in metal-poor stars (Research Note)




Stellar Parameters

Teff : 6202

log g : 4.23

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
Li I	N/A	...	...	2.34	-0.92	0.68	2.34	Li I
Fe	N/A	-1.61	...	...	-1.60	...	5.90	Fe




Position

Right Ascension : 04 14 35.50

Declination : +22 21 04.0

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	FOCES	40000	100-400	N/A	N/A

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J.P.Fulbright et al.,AJ, 120, 1841, 2000(ADS)

ABUNDANCES AND KINEMATICS OF FIELD HALO AND DISK STARS. I. OBSERVATIONAL DATA AND ABUNDANCE ANALYSIS




Stellar Parameters

Teff : 6025

log g : 4.2

vturb : 1.05

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	N/A	...	...	2.26	-1.00	0.66	2.26	Li I
Na I	N/A	...	0.09	...	-1.50	0.16	4.74	Na I
Mg I	N/A	...	0.34	...	-1.36	0.30	6.24	Mg I
Si I	N/A	...	0.19	...	-1.45	0.21	6.06	Si I
Ca I	N/A	...	0.32	...	-1.34	0.32	5.00	Ca I
Ti	N/A	...	0.38	...	-1.26	0.40	3.69	Ti
Cr I	N/A	...	-0.11	...	-1.76	-0.10	3.88	Cr I
Fe	N/A	-1.68	...	...	-1.66	...	5.84	Fe
Zr II	N/A	...	-0.01	...	-1.67	-0.01	0.91	Zr II
Ba II	N/A	...	0.04	...	-1.69	-0.03	0.49	Ba II




Position

Right Ascension : 04 14 35.50

Declination : +22 21 04.0

Galactic Longitude (l) : N/A

Galactic Latitude (b) : N/A

Observing Log

Date of Observation	JD	Facility	Resolution	S/N	Exposure Time	Vrad
1994-11-12	N/A	LICKHAMILTON	50000	85	2400	N/A
1998-10-30	N/A	LICKHAMILTON	50000	90	1800	N/A

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R.G.Gratton et al.,AAP, 404, 187, 2003(ADS)

Abundances for metal-poor stars with accurate parallaxes I. Basic data




Stellar Parameters

Teff : 6179

log g : 4.39

vturb : 0.8

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
Na I	N/A	...	0.12+-0.054	...	-1.51+-0.054	0.10+-0.054	4.73+-0.054	Na I
Mg I	N/A	...	0.35+-0.055	...	-1.42+-0.055	0.19+-0.055	6.18+-0.055	Mg I
Ca I	N/A	...	0.33+-0.033	...	-1.34+-0.033	0.27+-0.033	5.00+-0.033	Ca I
Ti I	N/A	...	0.29+-0.03	...	-1.19+-0.03	0.42+-0.03	3.76+-0.03	Ti I
Ti II	N/A	...	0.27+-0.048	...	-1.21+-0.048	0.40+-0.048	3.74+-0.048	Ti II
Fe I	N/A	-1.6+-0.051	...	...	-1.61+-0.051	...	5.89+-0.051	Fe I
Fe II	N/A	-1.63+-0.066	...	...	-1.64+-0.066	...	5.86+-0.066	Fe II




Position

Right Ascension : 04 14 35.50

Declination : +22 21 04.0

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	N/A	50000	>100	N/A	339

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J.Melendez et al.,AAP, 515, L3, 2010(ADS)

Observational evidence for a broken Li Spite plateau and mass-dependent Li depletion




Stellar Parameters

Teff : 6285+-50

log g : 4.29

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	N/A	...	...	2.37+-0.035	-0.89+-0.035	0.67+-0.035	2.37+-0.035	Li
Fe	N/A	-1.56	...	...	-1.56	...	5.94	Fe




Position

Right Ascension : 04 14 35.50

Declination : +22 21 04.0

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	N/A	VLT	110000	>100	N/A	N/A

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P.E.Nissen et al.,AAP, 511, L10, 2010(ADS)

Two distinct halo populations in the solar neighborhood. Evidence from stellar abundance ratios and kinematics




Stellar Parameters

Teff : 6135

log g : 4.25

vturb : 1.6

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
Na	N/A	...	-0.24	...	-1.72	-0.15	4.52	Na
Mg	N/A	...	0.22	...	-1.37	0.20	6.23	Mg
Si	N/A	...	0.23	...	-1.30	0.27	6.21	Si
Ca	N/A	...	0.32	...	-1.23	0.34	5.11	Ca
Ti	N/A	...	0.29	...	-1.21	0.36	3.74	Ti
Cr	N/A	...	-0.07	...	-1.61	-0.04	4.03	Cr
Fe	N/A	-1.57	...	...	-1.57	...	5.93	Fe
Ni	N/A	...	-0.07	...	-1.61	-0.04	4.61	Ni




Position

Right Ascension : 04 14 35.50

Declination : +22 21 04.0

Galactic Longitude (l) : N/A

Galactic Latitude (b) : N/A

Observing Log

Date of Observation	JD	Facility	Resolution	S/N	Exposure Time	Vrad
2002-12-31-0250	N/A	VLT	55000	500	N/A	338.9

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P. E. Nissen et al.,AAP, 530, A15, 2011(ADS)

Two distinct halo populations in the solar neighborhood II. Evidence from stellar abundances of Mn, Cu, Zn, Y, and Ba




Stellar Parameters

Teff : 6135

log g : 4.25

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
Mn	N/A	...	-0.33	...	-1.94	-0.37	3.49	Mn
Fe	N/A	-1.57	...	...	-1.57	...	5.93	Fe
Zn	N/A	...	0.09	...	-1.44	0.13	3.12	Zn
Y	N/A	...	-0.20	...	-1.74	-0.17	0.47	Y
Ba	N/A	...	-0.31	...	-1.93	-0.36	0.25	Ba




Position

Right Ascension : 04 14 35.50

Declination : +22 21 04.0

Galactic Longitude (l) : N/A

Galactic Latitude (b) : N/A

Observing Log

Date of Observation	JD	Facility	Resolution	S/N	Exposure Time	Vrad
2002-12-31-0250	N/A	VLT	55000	500	N/A	338.9