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HD 681


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Medium-Resolution Stellar Spectra in the L Band from 2400 to 3000 cm-1 (3.3 to 4.2 Microns)
We present a brief atlas of L-band (3.3-4.2 μm) spectra for 42 starsplus the Sun and a sunspot observed at a resolving power of R~3000. Thiscontribution is intended to supplement our previous K-band, H-band, andJ-band spectral atlases. The L-band data, which cover some or all of the2400 to 3000 cm-1 (3.3-4.2 μm) region, are mainly forluminous late-type stars. In reducing these data, special care has beentaken to remove telluric features, especially water vapor. We identifytemperature- and luminosity-sensitive atomic and molecular indices toaid in the classification of stellar spectra in the L band. The data areavailable electronically.

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观测天体数据

星座:鯨魚座
右阿森松:00h11m09.03s
赤纬:-07°22'34.6"
视星:8.892
距离:119.617 天文距离
右阿森松适当运动:-31.7
赤纬适当运动:-32.4
B-T magnitude:9.463
V-T magnitude:8.94

目录:
适当名称   (Edit)
HD 1989HD 681
TYCHO-2 2000TYC 4670-882-1
USNO-A2.0USNO-A2 0825-00046107
HIPHIP 904

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