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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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Observation and Astrometry data

Constellation:Baleine
Right ascension:00h11m09.03s
Declination:-07°22'34.6"
Apparent magnitude:8.892
Distance:119.617 parsecs
Proper motion RA:-31.7
Proper motion Dec:-32.4
B-T magnitude:9.463
V-T magnitude:8.94

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 681
TYCHO-2 2000TYC 4670-882-1
USNO-A2.0USNO-A2 0825-00046107
HIPHIP 904

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