HD345957
Original Names

• BD+23_3912 in R.G.Gratton+,AAP, 354, 169, 2000
• HIP99423 in I.U.Roederer+,AJ, 147, 136, 2014


taken from 12 paper(s):


/R.G.Gratton et al.(2000)/ /T.V.Mishenina et al.(2002)/ /T.V.Mishenina and V. V. Kovtyukh(2001)/ /J.P.Fulbright(2000)/ /R.G.Gratton et al.(2003)/ /G.Bihain et al.(2004)/ /A.M.Boesgaard et al.(1999)/ /C.Charbonnel and F. Primas(2005)/ /J.A.Rich and A. M. Boesgaard(2009)/ /I.U.Roederer et al.(2014)/ /A.M.Boesgaard et al.(2011)/ /K.A.Venn et al.(2004)/



---

R.G.Gratton et al.,AAP, 354, 169, 2000(ADS)

Mixing along the red giant branch in metal-poor field stars




Stellar Parameters

Teff : 5845

log g : 3.91

vturb : 1.20

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
[O I]	N/A	...	0.22	...	-0.99	0.45	7.70	[O I]
Fe I	N/A	-1.39	...	...	-1.44	...	6.06	Fe I
Fe II	N/A	-1.37	...	...	-1.42	...	6.08	Fe II




Isotopic Ratio

12C/13C

>20

Position

Right Ascension : 20 10 48.16

Declination : +23 57 54.5

Galactic Longitude (l) : N/A

Galactic Latitude (b) : N/A

Observing Log

Date of Observation	JD	Facility	Resolution	S/N	Exposure Time	Vrad
1995-05	N/A	CESESO	50000	80-150	N/A	N/A
1995-11	N/A	CESESO	50000	80-150	N/A	N/A
1995-11	N/A	MCDONALD	60000	70-100	N/A	N/A

---

T.V.Mishenina et al.,AAP, 396, 189, 2002(ADS)

Abundances of Cu and Zn in metal-poor stars: Clues for Galaxy evolution




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
Fe	N/A	-1.33	...	...	-1.33	...	6.17	Fe
Cu I	N/A	...	-0.27+-0.13	...	-1.58+-0.13	-0.25+-0.13	2.61+-0.13	Cu I




Position

Right Ascension : 20 10 48.16

Declination : +23 57 54.5

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	ELODIE	42000	>100	N/A	N/A

---

T.V.Mishenina et al.,AAP, 370, 951, 2001(ADS)

Analysis of neutron capture elements in metal-poor stars




Stellar Parameters

Teff : 5800

log g : 3.7

vturb : 1.0

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
Mg I	N/A	...	0.08	...	-1.27	0.06	6.33	Mg I
Si I	N/A	...	0.21	...	-1.08	0.25	6.43	Si I
Ca I	N/A	...	0.33	...	-0.98	0.35	5.36	Ca I
Fe	N/A	-1.33	...	...	-1.33	...	6.17	Fe
Sr I	N/A	...	0.25	...	-0.98	0.35	1.89	Sr I
Ba II	N/A	...	0.36	...	-1.02	0.31	1.16	Ba II
Ce II	N/A	...	0.35	...	-0.98	0.35	0.60	Ce II
Nd II	N/A	...	0.34	...	-0.91	0.42	0.51	Nd II




Position

Right Ascension : 20 10 48.16

Declination : +23 57 54.5

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	ELODIE	42000	>100	N/A	N/A

---

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 : 5650

log g : 3.8

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 I	N/A	...	...	2.43	-0.83	0.65	2.43	Li I
Na I	N/A	...	-0.15	...	-1.56	-0.08	4.68	Na I
Mg I	N/A	...	0.41	...	-1.11	0.37	6.49	Mg I
Si I	N/A	...	0.46	...	-1.00	0.48	6.51	Si I
Ca I	N/A	...	0.38	...	-1.10	0.38	5.24	Ca I
Ti	N/A	...	0.34	...	-1.12	0.36	3.83	Ti
V I	N/A	...	-0.07	...	-1.50	-0.02	2.43	V I
Cr I	N/A	...	-0.05	...	-1.52	-0.04	4.12	Cr I
Fe	N/A	-1.5	...	...	-1.48	...	6.02	Fe
Ni I	N/A	...	-0.01	...	-1.48	0.00	4.74	Ni I
Y II	N/A	...	0.02	...	-1.45	0.03	0.76	Y II
Zr II	N/A	...	0.34	...	-1.14	0.34	1.44	Zr II
Ba II	N/A	...	0.08	...	-1.47	0.01	0.71	Ba II




Position

Right Ascension : 20 10 48.16

Declination : +23 57 54.5

Galactic Longitude (l) : N/A

Galactic Latitude (b) : N/A

Observing Log

Date of Observation	JD	Facility	Resolution	S/N	Exposure Time	Vrad
1998-08-08	N/A	LICKHAMILTON	50000	110	1200	N/A

---

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

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




Stellar Parameters

Teff : 5766

log g : 3.9

vturb : 1.1

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
O I	N/A	...	0.88+-0.069	...	-0.51+-0.069	0.96+-0.069	8.18+-0.069	O I
Na I	N/A	...	-0.07+-0.054	...	-1.56+-0.054	-0.09+-0.054	4.68+-0.054	Na I
Mg I	N/A	...	0.49+-0.055	...	-1.14+-0.055	0.33+-0.055	6.46+-0.055	Mg I
Si I	N/A	...	0.34+-0.048	...	-1.10+-0.048	0.37+-0.048	6.41+-0.048	Si I
Ca I	N/A	...	0.39+-0.033	...	-1.14+-0.033	0.33+-0.033	5.20+-0.033	Ca I
Ti I	N/A	...	0.23+-0.03	...	-1.11+-0.03	0.36+-0.03	3.84+-0.03	Ti I
Ti II	N/A	...	0.37+-0.048	...	-0.97+-0.048	0.50+-0.048	3.98+-0.048	Ti II
Fe I	N/A	-1.46+-0.051	...	...	-1.47+-0.051	...	6.03+-0.051	Fe I
Fe II	N/A	-1.49+-0.066	...	...	-1.50+-0.066	...	6.00+-0.066	Fe II




Position

Right Ascension : 20 10 48.16

Declination : +23 57 54.5

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	MCDONALD	80000	200	N/A	-110.5

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G.Bihain et al.,AAP, 423, 777, 2004(ADS)

Cu and Zn in the early Galaxy




Stellar Parameters

Teff : 5734+-67

log g : 3.83+-0.13

vturb : 1.0

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
Fe	N/A	-1.50	...	...	-1.33	...	6.17	Fe
Cu I	N/A	-1.90+-0.25	...	...	-1.88+-0.25	-0.55+-0.25	2.31+-0.25	Cu I




Position

Right Ascension : 20 10 48.16

Declination : +23 57 54.5

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	WHTUES	50000	80-150	N/A	N/A

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A.M.Boesgaard et al.,AJ, 117, 492, 1999(ADS)

OXYGEN IN UNEVOLVED METAL-POOR STARS FROM KECK ULTRAVIOLET HIRES SPECTRA




Stellar Parameters

Teff : 5854

log g : 3.84

vturb : 1.5

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
O	N/A	-0.715+-0.06	0.695+-0.17	8.215	-0.47+-0.06	0.77+-0.17	8.215	O
Fe	N/A	-1.41	...	...	-1.24	...	6.26	Fe




Position

Right Ascension : 20 10 48.16

Declination : +23 57 54.5

Galactic Longitude (l) : N/A

Galactic Latitude (b) : N/A

Observing Log

Date of Observation	JD	Facility	Resolution	S/N	Exposure Time	Vrad
1993-10-06	N/A	KECKHIRES	45000	66	3600	N/A
1993-10-07	N/A	KECKHIRES	45000	66	N/A	N/A

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C.Charbonnel et al.,AAP, 442, 961, 2005(ADS)

The lithium content of the Galactic Halo stars




Stellar Parameters

Teff : 5806

log g : 3.50

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	...	...	2.643+0.020-0.021	-0.62+0.020-0.021	0.92+0.020-0.021	2.643+0.020-0.021	Li I
Fe	N/A	-1.54+-0.070	...	...	-1.54+-0.070	...	5.96+-0.070	Fe




Position

Right Ascension : 20 10 48.16

Declination : +23 57 54.5

Galactic Longitude (l) : N/A

Galactic Latitude (b) : N/A

Observing Log

---

J.A.Rich et al.,ApJ, 701, 1519, 2009(ADS)

BERYLLIUM, OXYGEN, AND IRON ABUNDANCES IN EXTREMELY METAL-DEFICIENT STARS




Stellar Parameters

Teff : 5691+-40

log g : 3.68+-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
Be II	N/A	...	...	0.02+-0.05	-1.36+-0.05	0.17+-0.05	0.02+-0.05	Be II
OH	N/A	-1.17+-0.06	...	...	-0.99+-0.06	0.54+-0.06	7.70+-0.06	OH
Fe	N/A	-1.53+-0.15	...	...	-1.53+-0.15	...	5.97+-0.15	Fe




Position

Right Ascension : 20 10 48.16

Declination : +23 57 54.5

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	KECKHIRES	46000	N/A	N/A	N/A

---

I.U.Roederer et al.,AJ, 147, 136, 2014(ADS)

A SEARCH FOR STARS OF VERY LOW METAL ABUNDANCE. VI. DETAILED ABUNDANCES OF 313 METAL-POOR STARS




Stellar Parameters

Teff : 5520+-41

log g : 3.7+-0.2

vturb : 1.05+-0.06

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	...	...	2.47	-0.79	0.94	2.47	Li I
CH	1	...	-0.49+-0.25	6.54	-1.89	-0.16+-0.25	6.54	CH
CN	1	...	<0.37	<6.80	<-1.03	<0.70	<6.80	CN
O I	2	...	0.62+-0.20	7.58	-1.11	0.62+-0.20	7.58	O I
Na I	2	...	0.02+-0.22	4.53	-1.71	0.02+-0.22	4.53	Na I
Mg I	4	...	0.37+-0.24	6.24	-1.36	0.37+-0.24	6.24	Mg I
Al I	1	...	-0.72+-0.34	4.00	-2.45	-0.72+-0.34	4.00	Al I
Si I	3	...	0.54+-0.26	6.32	-1.19	0.54+-0.26	6.32	Si I
K I	2	...	0.36+-0.24	3.66	-1.37	0.36+-0.24	3.66	K I
Ca I	10	...	0.44+-0.29	5.05	-1.29	0.44+-0.29	5.05	Ca I
Sc II	5	...	0.02+-0.13	1.75	-1.40	0.33+-0.13	1.75	Sc II
Ti I	17	...	0.22+-0.20	3.44	-1.51	0.22+-0.20	3.44	Ti I
Ti II	24	...	0.34+-0.14	3.87	-1.08	0.65+-0.14	3.87	Ti II
V I	1	...	-0.09+-0.22	2.11	-1.82	-0.09+-0.22	2.11	V I
V II	2	...	0.17+-0.23	2.68	-1.25	0.48+-0.23	2.68	V II
Cr I	10	...	-0.09+-0.20	3.82	-1.82	-0.09+-0.20	3.82	Cr I
Cr II	3	...	0.26+-0.14	4.48	-1.16	0.57+-0.14	4.48	Cr II
Mn I	4	...	-0.52+-0.20	3.18	-2.25	-0.52+-0.20	3.18	Mn I
Fe I	104	-1.73+-0.21	...	5.77	-1.73+-0.21	...	5.77	Fe I
Fe II	12	-1.42+-0.15	...	6.08	-1.42+-0.15	...	6.08	Fe II
Co I	3	...	-0.16+-0.27	3.10	-1.89	-0.16+-0.27	3.10	Co I
Ni I	11	...	0.04+-0.22	4.54	-1.68	0.05+-0.22	4.54	Ni I
Cu I	1	...	-0.70+-0.23	1.76	-2.43	-0.70+-0.23	1.76	Cu I
Zn I	2	...	0.30+-0.19	3.13	-1.43	0.30+-0.19	3.13	Zn I
Sr II	1	...	-0.04+-0.13	1.41	-1.46	0.27+-0.13	1.41	Sr II
Y II	5	...	-0.19+-0.14	0.59	-1.62	0.11+-0.14	0.59	Y II
Zr II	3	...	0.28+-0.13	1.43	-1.15	0.58+-0.13	1.43	Zr II
Nb II	1	...	<1.26	<1.30	<-0.16	<1.57	<1.30	Nb II
Mo I	1	...	0.40+-0.35	0.55	-1.33	0.40+-0.35	0.55	Mo I
Tc I	1	...	...	<0.95	<0.95	<2.68	<0.95	Tc I
Sn I	1	...	<1.49	<1.83	<-0.24	<1.49	<1.83	Sn I
Ba II	2	...	-0.10+-0.13	0.65	-1.53	0.20+-0.13	0.65	Ba II
La II	4	...	-0.13+-0.16	-0.46	-1.56	0.17+-0.16	-0.46	La II
Ce II	4	...	-0.14+-0.20	0.02	-1.56	0.17+-0.20	0.02	Ce II
Nd II	2	...	-0.08+-0.17	-0.09	-1.51	0.22+-0.17	-0.09	Nd II
Eu II	2	...	-0.08+-0.14	-0.98	-1.50	0.23+-0.14	-0.98	Eu II
Gd II	2	...	<0.38	<0.03	<-1.04	<0.69	<0.03	Gd II
Er II	1	...	0.20+-0.21	-0.30	-1.22	0.51+-0.21	-0.30	Er II
Tm II	2	...	<0.36	<-0.96	<-1.08	<0.65	<-0.96	Tm II
Yb II	1	...	-0.23+-0.19	-0.73	-1.65	0.08+-0.19	-0.73	Yb II
Hf II	1	...	<0.75	<0.18	<-0.53	<1.20	<0.18	Hf II
Ir I	1	...	<1.20	<0.85	<-0.53	<1.20	<0.85	Ir I
Pb I	1	...	<0.94	<1.25	<-0.79	<0.94	<1.25	Pb I
Th II	2	...	<0.72	<-0.64	<-0.70	<1.03	<-0.64	Th II




Binary Parameters

Binarity	Negative
Vrad	-115.7

Position

Right Ascension : 20 10 48.16

Declination : +23 57 54.5

Galactic Longitude (l) : N/A

Galactic Latitude (b) : N/A

Observing Log

Date of Observation	JD	Facility	Resolution	S/N	Exposure Time	Vrad
2008-09-06-05:11	2454715.72	MCDONALD	33000	60-170	2400	-115.7

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A.M.Boesgaard et al.,ApJ, 743, 140, 2011(ADS)

Beryllium and Alpha-element Abundances in a Large Sample of Metal-poor Stars




Stellar Parameters

Teff : 5815+-100

log g : 3.36+-0.2

vturb : 1.44+-0.2

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
Be	N/A	...	-0.12+-0.15	-0.16+-0.12	-1.54+-0.12	-0.08+-0.15	-0.16+-0.12	Be
O	N/A	-1.09+-0.22	+0.37+-0.24	...	-1.15+-0.22	0.31+-0.24	7.54+-0.22	O
Mg	N/A	-0.97+-0.07	...	...	-0.99+-0.07	0.47+-0.07	6.61+-0.07	Mg
Ti	N/A	-1.18+-0.09	...	...	-1.11+-0.09	0.35+-0.09	3.84+-0.09	Ti
Fe	N/A	-1.46+-0.09	...	...	-1.46+-0.09	...	6.04+-0.09	Fe




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
2004-11-07	N/A	KECKHIRES	42000	113	1500	N/A

---

K.A.Venn et al.,AJ, 128, 1177, 2004(ADS)

Stellar Chemical Signatures and Hierarchical Galaxy Formation




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	...	-0.15	...	-1.56	-0.06	4.68	Na
Mg	N/A	...	0.41	...	-1.11	0.39	6.49	Mg
Ca	N/A	...	0.38	...	-1.10	0.40	5.24	Ca
Ti	N/A	...	0.34	...	-1.09	0.41	3.86	Ti
Fe	N/A	-1.5	...	...	-1.50	...	6.00	Fe
Ni	N/A	...	-0.01	...	-1.48	0.02	4.74	Ni
Y	N/A	...	0.02	...	-1.45	0.05	0.76	Y
Ba	N/A	...	0.08	...	-1.47	0.03	0.71	Ba




Position

Right Ascension : 20 10 48.16

Declination : +23 57 54.5

Galactic Longitude (l) : N/A

Galactic Latitude (b) : N/A

Observing Log