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HD 30729


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Photometric and spectroscopic analysis of high Galactic latitude molecular clouds. I - Distances and extinctions of stars toward 25 selected regions
The paper presents new photoelectric photometry in the UBV, uvby, andH-beta systems for 320 stars at high Galactic latitudes, selected fortheir proximity to the densest portions of a variety of high Galacticlatitude atomic and molecular clouds. Low-resolution digital spectra areemployed to classify 115 of the stars. Several novel techniques aredeveloped for automatic digital spectral classification, and fordereddening Stromgren uvby-beta and Johnson UBV,H-beta photometry. Anempirical determination of the errors in the derived dereddened colors,and techniques for converting between the two photometric systems arepresented on the basis of the analysis of a statistically significantsample of 1480 stars with complete data sets in both photometric systemsand with an accurate MK spectral type. New constraints on the distancesto several clouds are presented.

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Observation and Astrometry data

Constellation:Eridanus
Right ascension:04h49m41.61s
Declination:-12°02'35.4"
Apparent magnitude:8.248
Distance:862.069 parsecs
Proper motion RA:5.3
Proper motion Dec:-1.3
B-T magnitude:8.247
V-T magnitude:8.248

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 30729
TYCHO-2 2000TYC 5325-101-1
USNO-A2.0USNO-A2 0750-01114910
HIPHIP 22435

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