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Intermediate-Brightness Spectrophotometric Standards. Standards Near +40° Declination
The second stage in our program to compile a list of regionalintermediate-brightness spectrophotometric standards has been completed.We have obtained spectral energy distributions for 24 stars withmagnitudes near +40° declination. The range λλ31007600 Å was studied with a spectral resolution of 50 Å. Therelative rms error of our results in the visible is 1 2%, increasing to3 5% toward the edges of the studied wavelength interval. All the starsare referenced to a single standard, the circumpolar star HD 221525. Theenergy distributions were used to compute color indices in the UBV,WBVR, and UPXY ZV S systems, as well as in the system of the TYCHOcatalog. The computed and observed values for stars in common with theTYCHO catalog are compared.

An RR Lyrae survey with the Lick astrograph. V - A survey of three fields at intermediate latitudes towards the galactic anticenter
Abstract image available at:http://adsabs.harvard.edu/abs/1982AJ.....87..314K

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Dades d'Observació i Astrometria

Constel·lació:Lynx
Ascensió Recta:08h36m40.41s
Declinació:+39°25'07.9"
Magnitud Aparent:8.373
Distancia:306.748 parsecs
Moviment propi RA:8
Moviment propi Dec:-0.7
B-T magnitude:8.52
V-T magnitude:8.386

Catàlegs i designacions:
Noms Propis   (Edit)
HD 1989HD 72862
TYCHO-2 2000TYC 2975-1956-1
USNO-A2.0USNO-A2 1275-07319810
HIPHIP 42237
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