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HD 710


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Везани чланци

New periodic variables from the Hipparcos epoch photometry
Two selection statistics are used to extract new candidate periodicvariables from the epoch photometry of the Hipparcos catalogue. Theprimary selection criterion is a signal-to-noise ratio. The dependenceof this statistic on the number of observations is calibrated usingabout 30000 randomly permuted Hipparcos data sets. A significance levelof 0.1 per cent is used to extract a first batch of candidate variables.The second criterion requires that the optimal frequency be unaffectedif the data are de-trended by low-order polynomials. We find 2675 newcandidate periodic variables, of which the majority (2082) are from theHipparcos`unsolved' variables. Potential problems with theinterpretation of the data (e.g. aliasing) are discussed.

Radial-velocity measurements. V - Ground support of the HIPPARCOS satellite observation program
The paper presents data on 1070 radial velocity measurements of starsdistributed in 39 fields measuring 4 deg x 4 deg. The PPO series ofFehrenbach et al. (1987) and Duflot et al. (1990) is continued using theFehrenbach objective prism method.

Accuracy of two-dimensional spectral classes derived through DDO photometry.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1977AJ.....82..832Y&db_key=AST

Magnetic Fields of the A-Type Stars.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1958ApJ...128..228B&db_key=AST

General magnetic fields in the Sun and stars (Report on progress of astronomy)
Abstract image available at:http://adsabs.harvard.edu/abs/1953MNRAS.113..357B

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Сазвежђа:Касиопеја
Ректацензија:00h11m41.83s
Deклинација:+54°20'07.8"
Apparent магнитуда:8.096
Даљина:235.294 parsecs
Proper motion RA:9.1
Proper motion Dec:-8.8
B-T magnitude:8.358
V-T magnitude:8.118

Каталог и designations:
Proper имена   (Edit)
HD 1989HD 710
TYCHO-2 2000TYC 3652-311-1
USNO-A2.0USNO-A2 1425-00282636
HIPHIP 949
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