Home     To Survive in the Universe    
Services
    Why to Inhabit     Top Contributors     Astro Photo     The Collection     Forum     Blog New!     FAQ     Login  
→ Adopt this star  

HD 164825


Contents

Images

Upload your image

DSS Images   Other Images


Related articles

A photometric study of BL Herculis
Photometric observations of the prototype variable BL Her are described.The reddening, metallicity, temperature, and surface gravity of the starare determined. A Baade-Wesselink analysis is made to determine theradius and distance to the variable. The mass of the star is determinedto be 0.75 solar, placing it in the range of RR Lyrae variables. Themetallicity of +0.20, however, is greater than that of any known RRLyrae variable.

Submit a new article


Related links

  • - No Links Found -
Submit a new link


Member of following groups:


Observation and Astrometry data

Constellation:Hercules
Right ascension:18h02m10.03s
Declination:+20°58'21.7"
Apparent magnitude:8.252
Distance:175.747 parsecs
Proper motion RA:1.7
Proper motion Dec:9.2
B-T magnitude:8.464
V-T magnitude:8.27

Catalogs and designations:
Proper Names
HD 1989HD 164825
TYCHO-2 2000TYC 1566-236-1
USNO-A2.0USNO-A2 1050-09571848
HIPHIP 88313

→ Request more catalogs and designations from VizieR