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Submit a new article| Absorption spectra of interstellar grains. I - Reference stars In order to find the proper standards for the precise extraction ofinterstellar spectral features, an analysis was made of low-resolutionUV spectra of unreddened early-type stars. Stars having a E(B-V) colorexcess below 0.05m contained in the catalog of TD-1 satelliteobservations made during the S2/68 experiment are examined.
 
 
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 Observation and Astrometry data
| Constellation: | Giraffe |  | Right ascension: | 05h42m00.92s |  | Declination: | +76°27'54.2" |  | Apparent magnitude: | 8.209 |  | Distance: | 165.017 parsecs |  | Proper motion RA: | 5.2 |  | Proper motion Dec: | -31.2 |  | B-T magnitude: | 8.304 |  | V-T magnitude: | 8.217 |  Catalogs and designations:
 
 
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