SIMBAD Astronomical Database
Informationen über AL Ari
Nachricht von Wolfgang Quester vom 15.12.2002
AL Ari: Es existieren keine Elemente steht im Circular. Also habe ich vor
einigen Tagen Penelody beauftragt, das Feld AL Ari aufzunehmen. Während die
Automatik lief, habe ich in SIMBAD nach AL Ari geschaut und siehe da, es gibt
durchaus eine komplette Liku mit Elementen. Ganz unten findet man das Referat
der entsprechenden Arbeit. Ich habe im Planetarium die Arbeit herausgesucht. Die
Elemente lauten
Min I = HJD 24 51112,80746 + 3,747462
* E
Min II liegt bei Phase 0,512. Da die Autoren wegen der bislang wenigen Minima
zu weiterer Verfolgung aufrufen, werde ich mal draufhalten.
Vorhersagen nach obigen Elementen gibt es ab sofort im Ephemeridenteil.
2001A&A...374..980C - Astron. Astrophys., 374, 980-996 (2001) - August(II)
2001
Absolute dimensions of solar-type eclipsing binaries. I. uvby light curves for
HS Aqr, KX Aqr, AL Ari, V963 Cen, MR Del, NY Hya, DU Leo, UW LMi, and V358 Pup.
CLAUSEN J.V., HELT B.E., OLSEN E.H.
Abstract (from CDS <http://cdsweb.u-strasbg.fr/>): We present complete
uvby light curves of 9 recently discovered eclipsing binaries having late F, G,
and K type components within or near the main-sequence band. They are the first
results from a long term program carried out since 1994 at the Stroemgren
Automatic Telescope at ESO, La Silla. The aim is to provide the accurate
absolute dimensions for solar-type stars needed for critical tests of the
corresponding theoretical models. A serious dilemma appears to be present in the
comparison of predictions from current stellar models with fundamental
properties of known 0.7-1.1M{sun} eclipsing binaries (Popper,
1997AJ....114.1195P <http://simbad.u-strasbg.fr/cgi-bin/cdsbib?1997AJ....114.1195P>,
Clausen et al., 1999, ASP Conf. Ser., 173, 265). Spectroscopic observations of
the 9 eclipsing binaries are either available or are being obtained, and
detailed analyses of the individual systems will be published in a series of
subsequent papers. The light curves were obtained as part of a systematic search
for new eclipsing systems among a large sample of (mostly) spectroscopic
binaries. Catalogues of the extensive uvby and {beta} photometry from this
search will be published separately.
Wolfgang Quester
