BD-18_5550: found in 12 paper(s).

Labels:

/D.L.Burris et al.(2000)/ /R.Cayrel et al.(2004)/ /M.Spite et al.(2005)/ /J.A.Johnson(2002)/ /A.McWilliam et al.(1995)/ /A.McWilliam et al.(1995)/ /J.Melendez et al.(2002)/ /T.V.Mishenina et al.(2002)/ /T.V.Mishenina et al.(2001)/ /M.Spite et al.(2006)/ /S.M.Andrievsky et al.(2007)/ /J.A.Johnson et al.(2007)/

A0014

Title	NEUTRON-CAPTURE ELEMENTS IN THE EARLY GALAXY: INSIGHTS FROM A LARGE SAMPLE OF METAL-POOR GIANTS
ADS	D.L.Burris et al.,ApJ, 544, 302, 2000
Authors	D. L. Burris, C. A. Pilachowski, T. E. Armandroff, C. Sneden, J. J. Cowan, H. Roe

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Basic Informations

Observation Date	JD	Facility	Resolution	S/N	Exposure Time	Vrad
N/A	N/A	MAYALLKPNO	20000	100-200	N/A	N/A

Galactic Longitude (l)	N/A
Galactic Latitude (b)	N/A
Declination	N/A
Right Ascension	N/A

Atmospheric data

T_eff	4575
log g	1.40
v_turb	1.80

Chemical Abundances

Element	Nline	[X/H]	[X/Fe]	log-e
Fe	...	-2.93	...	4.57
Ba	...	-3.83	-0.90	-1.70
Eu	...	-3.00	-0.07	-2.49

: Data presented in the paper
: Data converted with the solar abundance from Grevesse et al. (1996)

A0016

Title	First stars V - Abundance patterns from C to Zn and supernova yields in the early Galaxy
ADS	R.Cayrel et al.,AAP, 416, 1117, 2004
Authors	R. Cayrel, E. Depagne, M. Spite, V. Hill, F. Spite, P. Francois, B. Plez, T. Beers, F. Primas, J. Andersen, B. Barbuy, P. Bonifacio, P. Molaro, B. Nordstrom

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Basic Informations

Observation Date	JD	Facility	Resolution	S/N	Exposure Time	Vrad
2000-10	N/A	VLT	47000	220	1800	N/A
2001-09	N/A	VLT	N/A	N/A	N/A	N/A

Galactic Longitude (l)	N/A
Galactic Latitude (b)	N/A
Declination	N/A
Right Ascension	N/A

Photometric data

9.35

Atmospheric data

T_eff	4750
log g	1.4
v_turb	1.8

Chemical Abundances

Element	Nline	[X/H]	[X/Fe]	log-e
C	...	-3.08	-0.02	5.44
O	...	-2.64	0.42	6.13
Na	...	-3.01	0.05	3.32
Mg	...	-2.75+-0.15	0.31+-0.15	4.83+-0.15
Al	...	-3.65	-0.59	2.82
Si	...	-2.67	0.39	4.88
K	...	-2.54	0.52	2.58
Ca	...	-2.65+-0.10	0.41+-0.10	3.71+-0.10
Sc	...	-3.02+-0.09	0.04+-0.09	0.15+-0.09
Ti I	...	-2.90+-0.04	0.16+-0.04	2.12+-0.04
Ti II	...	-2.92+-0.09	0.14+-0.09	2.10+-0.09
Cr	...	-3.40+-0.10	-0.34+-0.10	2.27+-0.10
Mn	...	-3.44+-0.05	-0.38+-0.05	1.95+-0.05
Fe I	...	-3.06+-0.12	0.00+-0.12	4.44+-0.12
Fe II	...	-3.06+-0.10	0.00+-0.10	4.44+-0.10
Co	...	-2.87+-0.12	0.19+-0.12	2.05+-0.12
Ni	...	-3.11+-0.10	-0.05+-0.10	3.14+-0.10
Zn	...	-2.84	0.22	1.76

: Data presented in the paper
: Data converted with the solar abundance from Grevesse et al. (1996)

A0025

Title	First stars VI – Abundances of C, N, O, Li, and mixing in extremely metal-poor giants. Galactic evolution of the light elements
ADS	M.Spite et al.,AAP, 430, 655, 2005
Authors	M. Spite, R. Cayrel, B. Plez, V. Hill, F. Spite, E. Depagne, P. Francois, P. Bonifacio, B. Barbuy, T. Beers, J. Andersen, P. Molaro, B. Nordstrom, F. Primas

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Basic Informations

Galactic Longitude (l)	N/A
Galactic Latitude (b)	N/A
Declination	N/A
Right Ascension	N/A

Photometric data

9.35

Atmospheric data

T_eff	4750
log g	1.4
v_turb	1.8

Chemical Abundances

Element	Nline	[X/H]	[X/Fe]	log-e
Li I	...	-0.41+-0.04	2.65+-0.04	0.75+-0.04
C	...	-3.08+-0.04	-0.02+-0.04	5.47+-0.04
N	...	-3.42	-0.36	4.55
O I	...	-2.64	0.42	6.23
Fe	...	-3.06	...	4.44

: Data presented in the paper
: Data converted with the solar abundance from Grevesse et al. (1996)

A0031

Title	ABUNDANCES OF 30 ELEMENTS IN 23 METAL-POOR STARS
ADS	J.A.Johnson et al.,ApJS, 139, 219, 2002
Authors	J. A. Carnegie Institute of Washington, CIW. Johnson

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Basic Informations

Observation Date	JD	Facility	Resolution	S/N	Exposure Time	Vrad
1997-05-12	N/A	KECKHIRES	45000	350	1800	N/A
1997-06-20	N/A	KECKHIRES	45000		1800	N/A
1998-08-12	N/A	N/A	60000	90	2700	N/A

Galactic Longitude (l)	N/A
Galactic Latitude (b)	N/A
Declination	N/A
Right Ascension	N/A

Photometric data

V	9.35
V-R	0.885
V-K	2.706
EB-V	0.08

Atmospheric data

T_eff	4600
log g	0.95
v_turb	1.90

Chemical Abundances

Element	Nline	[X/H]	[X/Fe]	log-e
Na I	...	-2.86+-0.21	0.17+-0.21	3.47+-0.21
Mg I	...	-2.41+-0.14	0.62+-0.14	5.17+-0.14
Al I	...	-3.53+-0.26	-0.50+-0.26	2.94+-0.26
Si I	...	-2.54+-0.22	0.49+-0.22	5.01+-0.22
Ca I	...	-2.63+-0.04	0.40+-0.04	3.73+-0.04
Sc II	...	-3.17+-0.10	-0.14+-0.10	0.00+-0.10
Ti I	...	-2.97+-0.08	0.06+-0.08	2.05+-0.08
Ti II	...	-2.93+-0.07	0.10+-0.07	2.09+-0.07
V I	...	-3.12+-0.11	-0.09+-0.11	0.88+-0.11
V II	...	-3.12+-0.08	-0.09+-0.08	0.88+-0.08
Cr I	...	-3.24+-0.07	-0.21+-0.07	2.43+-0.07
Cr II	...	-2.87+-0.11	0.16+-0.11	2.80+-0.11
Mn I	...	-3.36+-0.08	-0.33+-0.08	2.03+-0.08
Mn II	...	-3.20+-0.16	-0.17+-0.16	2.19+-0.16
Fe I	...	-3.03+-0.08	...	4.47+-0.08
Fe II	...	-3.04+-0.08	...	4.46+-0.08
Co I	...	-2.80+-0.12	0.23+-0.12	2.12+-0.12
Ni I	...	-2.98+-0.15	0.05+-0.15	3.27+-0.15
Zn I	...	-2.66+-0.05	0.37+-0.05	1.94+-0.05
Y II	...	-4.05+-0.05	-1.02+-0.05	-1.81+-0.05
Zr II	...	-3.82+-0.09	-0.79+-0.09	-1.22+-0.09
Ba II	...	-3.80+-0.16	-0.77+-0.16	-1.67+-0.16
La II	...	-3.60+-0.14	-0.57+-0.14	-2.43+-0.14
Pr II	...	<-2.40	<0.63	<-1.69
Eu II	...	-3.30+-0.22	-0.27+-0.22	-2.79+-0.22
Tb II	...	<-2.15	<0.88	<-2.25
Dy II	...	-3.42+-0.20	-0.39+-0.20	-2.28+-0.20
Ho II	...	<-1.16	<1.87	<-0.90
Er II	...	-3.15+-0.12	-0.12+-0.12	-2.22+-0.12
Tm II	...	<-1.47	<1.56	<-1.47
Yb II	...	-3.87+-0.21	-0.84+-0.21	-2.79+-0.21
Hf II	...	<-1.90	<1.13	<-1.02
Os I	...	<-2.00	<1.03	<-0.55

: Data presented in the paper
: Data converted with the solar abundance from Grevesse et al. (1996)

A0038

Title	A Spectroscopic Analysis of 33 of the Most Metal-Poor Stars.I.
ADS	A.McWilliam et al.,AJ, 109, 2736, 1995
Authors	A. McWilliam, G. W. Preston, C. Sneden, S. Shectman

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Basic Informations

Observation Date	JD	Facility	Resolution	S/N	Exposure Time	Vrad
N/A	N/A	FRUTTI	22000	N/A	N/A	N/A

Photometric data

V	9.36
B-V	0.854
V-R	0.577

A0039

Title	Spectroscopic Analysis of 33 of the Most Metal Poor Stars. II.
ADS	A.McWilliam et al.,AJ, 109, 2757, 1995
Authors	A. McWilliam, G. W. Preston, C. Sneden, L. Searle

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Basic Informations

Observation Date	JD	Facility	Resolution	S/N	Exposure Time	Vrad
	N/A	FRUTTI	22000	N/A	N/A	N/A

Galactic Longitude (l)	N/A
Galactic Latitude (b)	N/A
Declination	N/A
Right Ascension	N/A

Photometric data

V	9.36
B-V	0.854
V-R	0.577

Chemical Abundances

Element	Nline	[X/H]	[X/Fe]	log-e
C	...	-2.91	0.00	5.64
Na	...	-3.09	-0.18	3.24
Mg	...	-2.47	0.44	5.11
Ca	...	-2.53	0.38	3.83
Fe I	...	-2.91	...	4.59
Fe II	...	-2.91	...	4.59
Ni	...	-3.04	-0.13	3.21
Sr	...	-4.07	-1.16	-1.10
Ba	...	-3.72	-0.81	-1.59
Eu	...	-2.74	0.17	-2.23

: Data presented in the paper
: Data converted with the solar abundance from Grevesse et al. (1996)

A0047

Title	Keck NIRSPEC Infrared OH Lines: Oxygen Abundances in Metal-poor Stars down to [Fe/H] = -2.9
ADS	J.Melendez et al.,ApJ, 575, 474, 2002
Authors	J. Melendez, B. Barbuy

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Basic Informations

Observation Date	JD	Facility	Resolution	S/N	Exposure Time	Vrad
2001-06-12	N/A	KECKNIRSPEC	37000	350	12x120	N/A
2001-10-01	N/A	FEROSESO	48000	200	3600	N/A

Galactic Longitude (l)	N/A
Galactic Latitude (b)	N/A
Declination	N/A
Right Ascension	N/A

Photometric data

V	9.26
B-V	0.599
V-R	0.791
J-K	0.598
V-K	2.389
EB-V	0.117

Atmospheric data

T_eff	4683
log g	1.7
v_turb	1.7

Chemical Abundances

Element	Nline	[X/H]	[X/Fe]	log-e
C	...	-3.26	-0.39	5.29
OH	...	-2.34	+0.53	6.53
Fe II	...	-2.87	...	4.63

: Data presented in the paper
: Data converted with the solar abundance from Grevesse et al. (1996)

A0070

Title	Abundances of Cu and Zn in metal-poor stars: Clues for Galaxy evolution
ADS	T.V.Mishenina et al.,AAP, 396, 189, 2002
Authors	T. V. Mishenina, V. V. Kovtyukh, C. Soubiran, C. Travaglio, M. Busso

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Basic Informations

Observation Date	JD	Facility	Resolution	S/N	Exposure Time	Vrad
N/A	N/A	ELODIE	42000	>100	N/A	N/A

Galactic Longitude (l)	N/A
Galactic Latitude (b)	N/A
Declination	N/A
Right Ascension	N/A

Chemical Abundances

Element	Nline	[X/H]	[X/Fe]	log-e
Fe	...	-3.01	...	4.49
Zn I	...	-3.04+-0.26	-0.03+-0.26	1.56+-0.26

: Data presented in the paper
: Data converted with the solar abundance from Grevesse et al. (1996)

A0071

Title	Analysis of neutron capture elements in metal-poor stars
ADS	T.V.Mishenina et al.,AAP, 370, 951, 2001
Authors	T. V. Mishenina, V. V. Kovtyukh

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Basic Informations

Observation Date	JD	Facility	Resolution	S/N	Exposure Time	Vrad
N/A	N/A	ELODIE	42000	>100	N/A	N/A

Photometric data

V	9.28
B-V	0.92

Atmospheric data

T_eff	4600
log g	0.5
v_turb	1.2

Chemical Abundances

Element	Nline	[X/H]	[X/Fe]	log-e
Mg I	...	-2.73	0.28	4.85
Fe	...	-3.01	...	4.49
Ba II	...	-4.13	-1.12	-2.00

: Data presented in the paper
: Data converted with the solar abundance from Grevesse et al. (1996)

A0091

Title	First stars IX - Mixing in extremely metal-poor giants. Variation of the 12C/13C, [Na/Mg] and [Al/Mg] ratios
ADS	M.Spite et al.,AAP, 455, 291, 2006
Authors	M. Spite, R. Cayrel, V. Hill, F. Spite, P. Francois, B. Plez, P. Bonifacio, P. Molaro, E. Depagne, J. Andersen, B. Barbuy, T. C. Beers, B. Nordstrom, F. Primas

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Basic Informations

Observation Date	JD	Facility	Resolution	S/N	Exposure Time	Vrad
	N/A	VLT	47000	130	N/A	N/A

Galactic Longitude (l)	N/A
Galactic Latitude (b)	N/A
Declination	N/A
Right Ascension	N/A

Photometric data

9.35

Atmospheric data

T_eff	4750
log g	1.4
v_turb	1.8

Chemical Abundances

Element	Nline	[X/H]	[X/Fe]	log-e
C	...	-3.08+-0.04	-0.02+-0.04	5.47+-0.04
N	...	-3.42+-0.10	-0.36+-0.10	4.55+-0.10
Fe	...	-3.06	...	4.44

: Data presented in the paper
: Data converted with the solar abundance from Grevesse et al. (1996)

Isotope ratio

¹²C/¹³C

>40

A0110

Title	NLTE determination of the sodium abundance in a homogeneous sample of extremely metal-poor stars
ADS	S.M.Andrievsky et al.,AAP, 464, 1081, 2007
Authors	S. M. Andrievsky, M. Spite, S. A. Korotin, F. Spite, P. Bonifacio, R. Cayrel, V. Hill, P. Francois

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Basic Informations

Observation Date	JD	Facility	Resolution	S/N	Exposure Time	Vrad
	N/A	VLT	43000	200	N/A	N/A

Galactic Longitude (l)	N/A
Galactic Latitude (b)	N/A
Declination	N/A
Right Ascension	N/A

Photometric data

9.35

Atmospheric data

T_eff	4750
log g	1.4
v_turb	1.8

Chemical Abundances

Element	Nline	[X/H]	[X/Fe]	log-e
Na	...	-3.35	-0.29	2.90
Fe	...	-3.06	...	4.44

: Data presented in the paper
: Data converted with the solar abundance from Grevesse et al. (1996)

A0114

Title	A Search for Nitrogen-enhanced Metal-poor Stars
ADS	J.A.Johnson et al.,ApJ, 658, 1203, 2007
Authors	J. A. Johnson, F. Herwig, T. C. Beers, N. Christlieb

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Basic Informations

Observation Date	JD	Facility	Resolution	S/N	Exposure Time	Vrad
2003-09-05	N/A	RCCTIO	N/A	192	1200	N/A

Galactic Longitude (l)	N/A
Galactic Latitude (b)	N/A
Declination	N/A
Right Ascension	N/A

Photometric data

V	9.270
B-V	9.270
U-B	0.910
V-R	0.230
V-K	2.715
EB-V	0.17

Atmospheric data

T_eff	4806
log g	1.72
v_turb	1.91

Chemical Abundances

Element	Nline	[X/H]	[X/Fe]	log-e
C	...	-3.09+-0.29	-0.20+-0.29	5.47+-0.25
Fe	...	-2.89+-0.21	...	4.61+-0.21

: Data presented in the paper
: Data converted with the solar abundance from Grevesse et al. (1996)