SAGA_TriII_000008
Original Names

• 40 in N.F.Martin+,ApJ, 818, 40, 2016
• Star40 in K.Venn+,MNRAS, 466, 3741, 2017
• 40 in E.N.Kirby+,ApJ, 838, 83, 2017
• TriII-40 in A.P.Ji+,ApJ, 870, 83, 2019


taken from 4 paper(s):


/K.Venn et al.(2017)/ /N.F.Martin et al.(2016)/ /E.N.Kirby et al.(2017)/ /A.P.Ji et al.(2019)/



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K.Venn et al.,MNRAS, 466, 3741, 2017(ADS)

Gemini/GRACES spectroscopy of stars in Tri II




Stellar Parameters

Teff : 4800+-50

log g : 1.80+-0.06

vturb : 2.7+-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
C	N/A	...	<-1.0	...	<-3.87	<-1.00	<4.56	C
Na I	2	...	-1.1+-0.4	...	-3.97+-0.4	-1.10+-0.4	2.27+-0.4	Na I
Mg I	4	...	0.01+-0.23	...	-2.86+-0.23	0.01+-0.23	4.74+-0.23	Mg I
K I	N/A	...	+0.8+-0.2	...	-2.07+-0.2	0.80+-0.2	2.96+-0.2	K I
Ca I	5	...	+0.39+-0.14	...	-2.48+-0.14	0.39+-0.14	3.86+-0.14	Ca I
Ti	4	...	+0.55+-0.17	...	-2.32+-0.17	0.55+-0.17	2.63+-0.17	Ti
Cr I	2	...	-0.29+-0.32	...	-3.16+-0.32	-0.29+-0.32	2.48+-0.32	Cr I
Fe	55	-2.87+-0.19	...	...	-2.87+-0.19	...	4.63+-0.19	Fe
Fe I	52	...	...	4.63+-0.19	-2.87+-0.19	...	4.63+-0.19	Fe I
Fe II	3	...	...	4.79+-0.24	-2.71+-0.24	...	4.79+-0.24	Fe II
Ni I	2	...	+0.30+-0.26	...	-2.57+-0.26	0.30+-0.26	3.65+-0.26	Ni I
Ba II	N/A	...	<-1.2	...	<-4.07	<-1.20	<-1.89	Ba II
Eu II	N/A	...	<+1.9	...	<-0.97	<1.90	<-0.45	Eu II




Binary Parameters

Vrad	-382.1+-1.5

Position

Right Ascension : 02 13 16.55

Declination : +36 10 45.8

Galactic Longitude (l) : N/A

Galactic Latitude (b) : N/A

Observing Log

Date of Observation	JD	Facility	Resolution	S/N	Exposure Time	Vrad
2015-12-15	N/A	GEMINIGRACES	40000	40	3600	-382.1+-1.5

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N.F.Martin et al.,ApJ, 818, 40, 2016(ADS)

Triangulum II: A Very Metal-poor and Dynamically Hot Stellar System




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	-2.6+-0.1	...	...	-2.60+-0.1	...	4.90+-0.1	Fe




Binary Parameters

Vrad	-379.2+-2.3

Position

Right Ascension : 02 13 16.55

Declination : +36 10 45.80

Galactic Longitude (l) : N/A

Galactic Latitude (b) : N/A

Observing Log

Date of Observation	JD	Facility	Resolution	S/N	Exposure Time	Vrad
2015-09-17	N/A	KECKIIDEIMOS	N/A	73.3	3600	-379.2+-2.3

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E.N.Kirby et al.,ApJ, 838, 83, 2017(ADS)

Triangulum II. Not Especially Dense After All




Stellar Parameters

Teff : 4816

log g : 1.64

vturb : 2.51

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	<-0.40	<+2.53	<0.65	<-2.61	<0.31	<0.65	Li I
C I	N/A	-3.01+-0.15	-0.09+-0.15	5.42+-0.15	-3.01+-0.15	-0.09+-0.15	5.42+-0.15	C I
O I	1	<-1.92	<+1.00	<6.77	<-1.92	<1.00	<6.77	O I
Na I	2	-3.68+-0.15	-0.76+-0.15	2.56+-0.15	-3.68+-0.15	-0.76+-0.15	2.56+-0.15	Na I
Mg I	5	-2.68+-0.05	+0.24+-0.05	4.92+-0.05	-2.68+-0.05	0.24+-0.05	4.92+-0.05	Mg I
Al I	1	-3.43	-0.51	3.02	-3.43	-0.51	3.02	Al I
Si I	1	<-2.16	<+0.76	<5.35	<-2.16	<0.76	<5.35	Si I
K I	1	-1.84	+1.09	3.19	-1.84	1.08	3.19	K I
Ca I	16	-2.52+-0.20	+0.40+-0.20	3.82+-0.20	-2.52+-0.20	0.40+-0.20	3.82+-0.20	Ca I
Sc II	5	-2.62+-0.09	+0.30+-0.09	0.53+-0.09	-2.62+-0.09	0.30+-0.09	0.53+-0.09	Sc II
Ti I	8	-2.75+-0.14	+0.17+-0.14	2.20+-0.14	-2.75+-0.14	0.17+-0.14	2.20+-0.14	Ti I
Ti II	16	-2.78+-0.16	+0.14+-0.16	2.17+-0.16	-2.78+-0.16	0.14+-0.16	2.17+-0.16	Ti II
V I	1	-2.90	+0.02	1.03	-2.90	0.02	1.03	V I
Cr I	7	-3.37+-0.30	-0.45+-0.30	2.27+-0.30	-3.37+-0.30	-0.45+-0.30	2.27+-0.30	Cr I
Mn I	4	-3.36+-0.25	-0.44+-0.25	2.07+-0.25	-3.36+-0.25	-0.44+-0.25	2.07+-0.25	Mn I
Fe I	70	-2.92+-0.21	...	4.58+-0.21	-2.92+-0.21	...	4.58+-0.21	Fe I
Fe II	13	-2.92+-0.21	...	4.58+-0.21	-2.92+-0.21	...	4.58+-0.21	Fe II
Co I	1	-2.79	+0.13	2.19	-2.80	0.12	2.19	Co I
Ni I	4	-2.40+-0.30	+0.53+-0.30	3.82+-0.30	-2.40+-0.30	0.52+-0.30	3.82+-0.30	Ni I
Zn I	1	-2.52	+0.40	2.04	-2.52	0.40	2.04	Zn I
Sr II	2	-4.43+-0.32	-1.51+-0.32	-1.56+-0.32	-4.43+-0.32	-1.51+-0.32	-1.56+-0.32	Sr II
Y II	1	<-3.68	<-0.76	<-1.47	<-3.68	<-0.76	<-1.47	Y II
Ba II	1	-5.29	-2.37	-3.11	-5.29	-2.37	-3.11	Ba II
La II	1	<-2.89	<+0.03	<-1.79	<-2.89	<0.03	<-1.79	La II
Ce II	1	<-2.70	<+0.22	<-1.12	<-2.70	<0.22	<-1.12	Ce II
Nd II	1	<-2.67	<+0.25	<-1.25	<-2.67	<0.25	<-1.25	Nd II
Eu II	1	<-2.90	<+0.02	<-2.38	<-2.90	<0.02	<-2.38	Eu II
Dy II	1	<-0.93	<+1.99	<0.17	<-0.93	<1.99	<0.17	Dy II




Binary Parameters

Vrad	-381.6+-1.6

Position

Right Ascension : 02 13 16.55

Declination : +36 10 45.8

Galactic Longitude (l) : N/A

Galactic Latitude (b) : N/A

Observing Log

Date of Observation	JD	Facility	Resolution	S/N	Exposure Time	Vrad
2015-10-08	N/A	KECKIIDEIMOS	7000	219.5	9360	-381.6+-1.6
2015-12-14	N/A	KECKIIDEIMOS	7000		28800	N/A
2016-01-29	N/A	KECKIIDEIMOS	7000		14409	N/A
2016-01-29	N/A	KECKIIDEIMOS	7000		20400	N/A
2016-01-29	N/A	KECKIIDEIMOS	7000		5400	N/A
2016-08-25	N/A	KECKHIRES	49000	53	12600	N/A
2016-09-07	N/A	KECKIIDEIMOS	7000	N/A	9180	N/A

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A.P.Ji et al.,ApJ, 870, 83, 2019(ADS)

Chemical Abundances in the Ultra-faint Dwarf Galaxies Grus I and Triangulum II: Neutron-capture Elements as a Defining Feature of the Faintest Dwarfs




Stellar Parameters

Teff : 4720+-175

log g : 1.35+-0.42

vturb : 2.48+-0.34

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	2	-3.74+-0.33	-0.79+-0.22	2.5+-0.16	-3.74+-0.33	-0.79+-0.22	2.5+-0.16	Na I
Mg I	3	-2.60+-0.32	0.35+-0.2	5+-0.13	-2.60+-0.32	0.35+-0.2	5+-0.13	Mg I
K I	1	-2.14+-0.36	0.81+-0.31	2.89+-0.3	-2.14+-0.36	0.81+-0.31	2.89+-0.3	K I
Ca I	8	-2.52+-0.2	0.43+-0.15	3.82+-0.05	-2.52+-0.2	0.43+-0.15	3.82+-0.05	Ca I
Sc II	1	<-2.17	<0.65	<0.98	<-2.17	<0.78	<0.98	Sc II
Ti I	3	-2.64+-0.32	0.31+-0.19	2.31+-0.13	-2.64+-0.32	0.31+-0.19	2.31+-0.13	Ti I
Ti II	2	-2.65+-0.40	0.17+-0.4	2.3+-0.18	-2.65+-0.40	0.30+-0.4	2.3+-0.18	Ti II
Cr I	3	-3.15+-0.35	-0.20+-0.21	2.49+-0.13	-3.15+-0.35	-0.20+-0.21	2.49+-0.13	Cr I
Mn I	1	<-2.46	<0.36	<2.97	<-2.46	<0.49	<2.97	Mn I
Fe I	60	-2.95+-0.28	...	4.55+-0.02	-2.95+-0.28	...	4.55+-0.02	Fe I
Fe II	5	-2.82+-0.23	...	4.68+-0.09	-2.82+-0.23	...	4.68+-0.09	Fe II
Ni I	3	-2.38+-0.30	0.57+-0.16	3.84+-0.09	-2.38+-0.30	0.57+-0.16	3.84+-0.09	Ni I
Ba II	1	<-4.07	<-1.25	<-1.89	<-4.07	<-1.12	<-1.89	Ba II
Eu II	1	<-1.41	<1.41	<-0.89	<-1.41	<1.54	<-0.89	Eu II




Binary Parameters

Vrad	-381.5+-1.3

Position

Right Ascension : 02 13 16.5

Declination : +36 10 45.9

Galactic Longitude (l) : N/A

Galactic Latitude (b) : N/A

Observing Log

Date of Observation	JD	Facility	Resolution	S/N	Exposure Time	Vrad
2015-12-15	N/A	GEMINIGRACES	40000	5-35	3600	-381.5+-1.3
2016-09-08	N/A	GEMINIGRACES	40000	5-35	4800	-381.5