SAGA_TriII_000005
Original Names

• 46 in N.F.Martin+,ApJ, 818, 40, 2016
• Star46 in K.Venn+,MNRAS, 466, 3741, 2017
• 46 in E.N.Kirby+,ApJ, 838, 83, 2017
• TriII-46 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 : 5050+-50

log g : 2.60+-0.06

vturb : 2.5

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
C	N/A	...	<-1.0	...	<-3.50	<-1.00	<4.93	C
Na I	N/A	...	<0.0	...	<-2.50	<0.00	<3.74	Na I
Mg I	3	...	-0.7+-0.3	...	-3.20+-0.3	-0.70+-0.3	4.40+-0.3	Mg I
Ca I	3	...	-0.2+-0.3	...	-2.70+-0.3	-0.20+-0.3	3.64+-0.3	Ca I
Fe	21	-2.5+-0.2	...	...	-2.50+-0.2	...	5.00+-0.2	Fe
Fe I	21	...	...	5.0+-0.2	-2.50+-0.2	...	5.0+-0.2	Fe I
Ba II	N/A	...	<-0.7	...	<-3.20	<-0.70	<-1.02	Ba II




Binary Parameters

Vrad	-397.1+-2.0

Position

Right Ascension : 02 13 21.54

Declination : +36 09 57.4

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	20000	20	9600	-397.1+-2.0

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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	-372.5+-2.4

Position

Right Ascension : 02 13 21.54

Declination : +36 09 57.40

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	26.4	3600	-372.5+-2.4

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

Triangulum II. Not Especially Dense After All




Stellar Parameters

Teff : 5282

log g : 2.74

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	N/A	...	+0.21+-0.28	...	-1.70+-0.28	0.21+-0.28	5.90+-0.28	Mg
Ca	N/A	...	-0.39+-0.15	...	-2.30+-0.15	-0.39+-0.15	4.04+-0.15	Ca
Ti	N/A	...	-0.79+-0.76	...	-2.70+-0.76	-0.79+-0.76	2.25+-0.76	Ti
Fe	N/A	-1.91+-0.11	...	...	-1.91+-0.11	...	5.59+-0.11	Fe




Binary Parameters

Vrad	-381.0+-5.9

Position

Right Ascension : 02 13 21.54

Declination : +36 09 57.4

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	81.8	9360	-381.0+-5.9
2015-12-14	N/A	KECKIIDEIMOS	7000	N/A	28800	N/A
2016-01-29	N/A	KECKIIDEIMOS	7000	N/A	14409	N/A
2016-01-29	N/A	KECKIIDEIMOS	7000	N/A	20400	N/A
2016-01-29	N/A	KECKIIDEIMOS	7000	N/A	5400	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 : 5150+-200

log g : 2.7+-0.5

vturb : 2.00+-0.5

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
Na I	1	<-0.97	<-0.97	<5.27	<-0.97	<1.04	<5.27	Na I
Mg I	2	-2.48+-0.61	-0.47+-0.53	5.12+-0.42	-2.48+-0.61	-0.47+-0.53	5.12+-0.42	Mg I
K I	1	<-1.24	<-1.24	<3.79	<-1.24	<0.77	<3.79	K I
Ca I	3	-2.16+-0.33	-0.15+-0.28	4.18+-0.15	-2.16+-0.33	-0.15+-0.28	4.18+-0.15	Ca I
Sc II	1	<-0.50	<-0.50	<2.65	<-0.50	<1.51	<2.65	Sc II
Ti II	1	-1.96+-0.53	0.05+-0.98	2.99+-0.38	-1.96+-0.53	0.05+-0.98	2.99+-0.38	Ti II
Fe I	18	-2.01+-0.36	0.00	5.49+-0.09	-2.01+-0.36	0.00	5.49+-0.09	Fe I
Fe II	1	-1.52+-0.92	0.49	5.98+-0.82	-1.52+-0.92	0.49	5.98+-0.82	Fe II
Ni I	1	<-0.86	<-0.86	<5.36	<-0.86	<1.15	<5.36	Ni I
Ba II	1	<-2.24	<-2.24	<-0.06	<-2.24	<-0.23	<-0.06	Ba II
Eu II	1	<-0.02	<-0.02	<0.50	<-0.02	<1.99	<0.50	Eu II




Binary Parameters

Vrad	391.5+-6.7

Position

Right Ascension : 02 13 21.5

Declination : +36 09 57.6

Galactic Longitude (l) : N/A

Galactic Latitude (b) : N/A

Observing Log

Date of Observation	JD	Facility	Resolution	S/N	Exposure Time	Vrad
2015-12-16	N/A	GEMINIGRACES	40000	1-17	4800	-396.5+-3.2
2015-12-17	N/A	GEMINIGRACES	40000	1-17	4800	-396.5+-3.2
2016-09-07	N/A	GEMINIGRACES	40000	1-17	7200	-381.5+-5.0