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HD 88606


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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.

UBV beta Database for Case-Hamburg Northern and Southern Luminous Stars
A database of photoelectric UBV beta photometry for stars listed in theCase-Hamburg northern and southern Milky Way luminous stars surveys hasbeen compiled from the original research literature. Consisting of over16,000 observations of some 7300 stars from over 500 sources, thisdatabase constitutes the most complete compilation of such photometryavailable for intrinsically luminous stars around the Galactic plane.Over 5000 stars listed in the Case-Hamburg surveys still lackfundamental photometric data.

A Radial Velocity Database for Stephenson-Sanduleak Southern Luminous Stars
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1997AJ....113..823R&db_key=AST

A spectroscopic database for Stephenson-Sanduleak Southern Luminous Stars
A database of published spectral classifications for objects in theStepenson-Sanduleak Luminous Stars in the Southern Milky Way catalog hasbeen compiled from the literature. A total of 6182 classifications for2562 stars from 139 sources are incorporated.

The calibration of the Stromgren photometric system for A, F and early G supergiants. I - The observational data
An empirical calibration of the Stromgren uvby-beta photometric systemfor the A, F, and early G supergiants is being derived. This paperexplains the observational program and the photometric reductiontechniques used and presents a catalog of new Stromgren photometry forover 600 A, F, and G supergiants.

Walraven photometry of nearby southern OB associations
Homogeneous Walraven (VBLUW) photometry is presented for 5260 stars inthe regions of five nearby southern OB associations: Scorpio Centaurus(Sco OB2), Orion OB1, Canis Major OB1, Monoceros OB1, and Scutum OB2.Derived V and (B - V) in the Johnson system are included.

New UBVRI photometry for 900 supergiants
A description is presented of the results obtained in connection with asystematic program of supergiant photometry on the Johnson UBVRI system.During the eight years after the start of the program, almost 1000 starshave been observed, about 400 three or more times each. The originalselection of stars used the spectral type catalog of Jaschek et al.(1964) to choose supergiants. Since observations were possible from bothChile and Canada, no declination limits were imposed, and no particularselection criteria were imposed other than to eliminate carbon stars.These are so red as to require enormous extrapolations of thetransformation equations.

The F0 IA stars in NGC 457 and IC 2581
H-beta and intermediate band observations of stars in NGC 457 and IC2581 are used to derive mean modulus and mean reddening values. Theformer cluster is found to be similar to h and Chi Per, although on areduced scale, while the latter is very similar to CMa OB I. The brightstars in the vicinity of IC 2581, which have been suggested by Turner(1973, 1978) to be associated with the cluster, may form an association,but not one which contains IC 2581. The reddening of IC 2581 is found tobe largely uniform, with the exception of the south-proceeding quadrantof the cluster.

The value of R in IC 2581.
Abstract image available at:http://adsabs.harvard.edu/abs/1978AJ.....83.1081T

High-sensitivity search for OH emission from Mira variables
A high-sensitivity search for 18 cm OH emission from Mira variables hasresulted in the detection of five previously unknown OH Mira variables(R Tau, RT Aql, RX Tau, FX Mon, and AW Tau). R Tau, RT Aql, and RX Tauare known microwave H2O sources, and RT Aql is also a known SiO source.RX Tau has a visual-light-curve shape slightly different than that ofpreviously discovered OH Miras. The OH properties of AW Tau are veryanomalous for the period determined from its visual light curve, but areconsistent with a much shorter period for this star. It is possible thatthe period of AW Tau has decreased by several hundred days in the last40 years.

O stars and supergiants south of declination -53 0.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1976AJ.....81..116H&db_key=AST

Structure and motions in the CAR spiral feature.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1972A&A....20...29H&db_key=AST

A survey of stars with composite spectra.
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Observation and Astrometry data

Constellation:Carina
Right ascension:10h11m23.02s
Declination:-58°02'41.3"
Apparent magnitude:8.256
Distance:819.672 parsecs
Proper motion RA:-6.4
Proper motion Dec:2.6
B-T magnitude:9.29
V-T magnitude:8.342

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 88606
TYCHO-2 2000TYC 8607-489-1
USNO-A2.0USNO-A2 0300-08949487
HIPHIP 49907

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