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HD 97457


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Везани чланци

The Abundance of CN. Calcium and Heavy Elements in High Velocity Stars.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1997AJ....114..825E&db_key=AST

Star Streams and Galactic Structure
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1996AJ....112.1595E&db_key=AST

Ca II H and K Filter Photometry on the UVBY System. II. The Catalog of Observations
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1995AJ....109.2828T&db_key=AST

HR 1614 and the dissolution of a supercluster
A few main-sequence members of the HR 1614 supercluster have been foundwithin 40 parsecs of the sun. The convergent point of the proper motionsis (A,D) = (8.38 h - 58.7 deg) and V(TOT) = 59.0 km/s. Thirty-ninemembers of HR 1614 group, with mean V = 58.4 km/s, have been found nearthe sun as well as nineteen red giants within 200 parsecs. Both thesupercluster and the group members have Hyades abundance of heavyelements but CN strengths equalled by less than five percent of thestars near the sun. The age of the supercluster and group stars is nearthat of those in the cluster M67, 5 x 10 exp 9 yr on the basis of modelswithout convective overshoot or 6.3 x 10 exp 9 yr for models withovershoot. The stellar density near the sun is similar for both Hyadessupercluster and the combined HR 1614 supercluster and group members.

Binary-star measurements carried out at PIC DU Midi and at Nice
Data on 219 measurements of 103 close binaries observed with the 2mtelescope at Pic du Midi are presented. Also presented are data on 230measurements of 126 binaries observed with the 74 cm refractor of theNice Observatory.

Large and kinematically unbiased samples of G- and K-type stars. V - Evolved stars in the selected areas at + 15-deg declination
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1990PASP..102..242E&db_key=AST

Measurements of double stars made at Nice
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1975A&AS...20..391C&db_key=AST

Mesures d'étoiles doubles faites à Nice
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1972A&AS....6..185C&db_key=AST

La recherche,d'etoiles doubles. SA motivation.
Not Available

Photoelectric radial velocities. IV. 528 7 to 10 mag stars in the +15degree selected areas.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1971MNRAS.155....1G&db_key=AST

Étoiles doubles nouvelles (4^éme série) découvertes à Nice avec la lunette de 50 centimètres
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1970A&AS....1..105C&db_key=AST

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Сазвежђа:Лав
Ректацензија:11h13m04.52s
Deклинација:+16°46'07.9"
Apparent магнитуда:9.692
Proper motion RA:39.8
Proper motion Dec:-114
B-T magnitude:10.761
V-T magnitude:9.781

Каталог и designations:
Proper имена
HD 1989HD 97457
TYCHO-2 2000TYC 1437-2725-1
USNO-A2.0USNO-A2 1050-06452702
HIPHIP 54792
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