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HD 6625


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Intermediate band photometry of late-type stars. II - Some stellar groups
Observations on the (R, I) system and a modified Stromgren system ofmembers of six stellar groups are used to demonstrate the chemicalhomogeneity of some 70% or 80% of the members assigned to the groups onthe basis of kinematics. The groups discussed are the Hyades, Wolf 630,Arcturus, Groombridge 1830, and Kapteyn's Star Groups as well as ananonymous group of a half dozen subdwarfs with (U, V) near (-150, -320)km/s. Standards for a previously described photometric system areextended, and additional F- and G-type standards for the (R, I) systemare presented. A simple relation is derived for computing the Fe/Habundance ratio for most stars in the corrected (R-I) interval from +0.2to +0.45 magnitude.

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Osservazione e dati astrometrici

Costellazione:Andromeda
Ascensione retta:01h07m25.32s
Declinazione:+33°59'45.7"
Magnitudine apparente:8.033
Distanza:1298.701 parsec
Moto proprio RA:-1.6
Moto proprio Dec:-7.4
B-T magnitude:10.094
V-T magnitude:8.204

Cataloghi e designazioni:
Nomi esatti   (Edit)
HD 1989HD 6625
TYCHO-2 2000TYC 2286-1144-1
USNO-A2.0USNO-A2 1200-00466682
HIPHIP 5275

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