2010AJ....140..919H

Query : 2010AJ....140..919H

2010AJ....140..919H - Astron. J., 140, 919-924 (2010/October-0)

High-resolution 1.6 µm spectra of FeH in M and l dwarfs.

HARGREAVES R.J., HINKLE K.H., BAUSCHLICHER C.W., WENDE S., SEIFAHRT A. and BERNATH P.F.

Abstract (from CDS):

Near-infrared bands due to the iron monohydride (FeH) molecule are a characteristic feature of late-M and -L dwarfs. We have created a line list at 2200 K for the FeH E 4Π-A 4Π electronic transition near 1.58 µm (6300 cm–1) based on laboratory spectra and an ab initio calculation of the band strength. A variety of M and L dwarfs were observed near 1.6 µm with high spectral resolution (R ∼ 70,000) using the Phoenix spectrograph on the 8.1 m Gemini South telescope. The FeH E-A transition made a surprisingly strong contribution to the observed spectral energy distributions and needs to be included in modeling of late-M and L dwarfs.

Abstract Copyright: ∼

Journal keyword(s): brown dwarfs - infrared: stars - stars: individual (DENIS 1048-39 (read: DENIS J104814.6-395606), GJ 191, GJ 406, GJ 644C, LHS 292, LHS 2065, LHS 3003, LP 944-20, 2MASS J1507-16 (read: 2MASS J15074769-1627386)) - stars: low-mass

CDS comments: DENIS 1048-39 is DENIS-P J104814.6-395606, 2MASS J1507-16 is 2MASS J15074769-1627386

Simbad objects: 11

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Number of rows : 11
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 LP 944-20 LM* 03 39 35.2523500210 -35 25 43.641996333     18.69 16.39 13.288 M9.5Ve 289 0
2 HD 33793 PM* 05 11 40.5898395497 -45 01 06.361734876 11.624 10.433 8.853 7.9 6.899 M1VIp 336 0
3 LP 666-9 LM* 08 53 36.1604798120 -03 29 32.197505547     18.959 16.781 14.487 M9Ve 252 0
4 LP 731-58 Er* 10 48 12.6142508200 -11 20 09.610693470     15.784 16.01 11.25 M6.5V 174 0
5 DENIS J104814.6-395606 LM* 10 48 14.5736104113 -39 56 06.842743867     17.532 15.051 12.67 M8.5Ve: 129 0
6 Wolf 359 Er* 10 56 28.9208702274 +07 00 53.003285286 16.706 15.541 13.507 11.684 9.507 dM6 721 0
7 HD 95735 Er* 11 03 20.1948195942 +35 58 11.576182057 10.030 8.960 7.520 5.99 4.79 M2+V 715 0
8 BD+16 2708B SB* 14 54 29.4185719182 +16 06 08.616294953           M8.5 137 0
9 LP 914-54 Er* 14 56 38.2634715567 -28 09 48.619153485     17.141 14.863 12.433 M7.0Ve 156 0
10 2MASSW J1507476-162738 BD* 15 07 47.6758255542 -16 27 40.113982846     22.136 18.928 16.579 L5V 199 0
11 VB 8 LM* 16 55 35.2557374336 -08 23 40.753073075   18.7 16.916 14.566 12.24 M7Ve 430 0

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