Determination of spectroscopic parameters for 313 M dwarf stars from their APOGEE Data Release 16 H-band spectra

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Volume 649 (May 2021)

A&A, 649 (2021) A147

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Table 2

Average and standard deviation for stellar parameters measured for multiple iterations for 20 selected stars representative of the full sample.

Star	T_eff	log g	[M/H]	S∕N	Runs
2M00391896+5508132	3329 ± 5	5.05 ± 0.02	− 0.72 ± 0.04	767	20
2M02465257+5619505	3506 ± 6	4.69 ± 0.02	− 0.29 ± 0.02	346	20
2M04244284+4537062	3859 ± 4	4.68 ± 0.03	− 0.44 ± 0.01	257	20
2M04422854+5818015	3312 ± 5	5.05 ± 0.01	− 0.26 ± 0.03	615	20
2M05201152+2457212	3667 ± 7	4.59 ± 0.03	− 0.06 ± 0.03	677	20
2M06070493+1403109	3292 ± 3	5.08 ± 0.02	− 0.21 ± 0.01	258	20
2M06572462+0651440	3307 ± 8	5.03 ± 0.03	− 0.24 ± 0.04	197	20
2M08050361+4121251	3340 ± 7	4.91 ± 0.03	− 0.68 ± 0.06	222	20
2M10562960+4858264	4063 ± 12	4.76 ± 0.02	0.21 ± 0.01	328	20
2M11152550+0003159	3424 ± 4	4.87 ± 0.03	− 0.77 ± 0.04	294	20
2M13552585+2556161	4013 ± 4	4.51 ± 0.01	− 0.48 ± 0.01	177	20
2M14535251+1739448	3801 ± 3	4.67 ± 0.02	− 0.51 ± 0.01	619	20
2M16495034+4745402	3754 ± 6	4.69 ± 0.02	− 0.01 ± 0.01	1147	20
2M18055545+0316213	3573 ± 2	4.63 ± 0.01	0 ± 0.01	229	20
2M19004176+0310312	3512 ± 6	4.95 ± 0.03	− 0.77 ± 0.09	170	20
2M23134861+1227072	3560 ± 2	5 ± 0.01	0 ± 0.01	172	20

2M03190939+0130543	2972 ± 3	4.7 ± 0.02	0.22 ± 0.01	161	100
2M04552111+5017249	3882 ± 3	4.66 ± 0.03	− 0.87 ± 0.02	177	100
2M09301445+2630250	3385 ± 2	4.67 ± 0.02	0.14 ± 0.01	658	100
2M21400112+5408179	3592 ± 3	5.03 ± 0.02	− 0.55 ± 0.02	563	100

Notes. 20 iterationswere made for each of 16 test stars, while the code was made to run 100 iterations for 4 selected stars. All displayed T_eff values are in K, while log g and [M/H] are in dex. The “runs” column displays the number of iterations made with the pipeline for each spectrum.

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