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HD 49699

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The 74th Special Name-list of Variable Stars We present the Name-list introducing GCVS names for 3153 variable starsdiscovered by the Hipparcos mission.
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.
Miscellaneous spectroscopic notes Results of slit-spectrograph observations are reported for approximately260 stars. The data presented range from recognition of many new Ap, Am,and other unusual stars to H-alpha observations of early-typesupergiants and Be stars. The material discussed was obtained over thepast 40 years at a number of U.S. observatories and at the DominionAstrophysical Observatory in Victoria, B.C.
Optical and infrared photometry of southern early-type shell stars and pre-main-sequence variables A catalogue of optical and infrared photometry is presented covering theepoch 1980 to 1984 for a sample of 53 pre-main-sequence stars and otheremission-line objects, mainly of early spectral type. The JHKL data aregenerally simultaneous with optical photometry in either the UBVRI orStromgren uvby systems, and the H beta index is used as a photometricmonitor of spectrum variability. This catalogue will form a valuabledata set for future studies of the nature and origin of variability inthis class of object.
A Catalogue of Be-Stars Not Available
Second Supplement to the Mount Wilson Catalogue and Bibliography of Stars of Classes B and a whose Spectra have Bright Hydrogen Lines. Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1949ApJ...110..387M&db_key=AST

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观测天体数据

星座:	大犬座
右阿森松:	06^h49^m15.87^s
赤纬:	-12Â°40'04.5"
视星:	7.268
距离:	609.756 天文距离
右阿森松适当运动:	-5.1
赤纬适当运动:	1.7
B-T magnitude:	7.359
V-T magnitude:	7.276

目录:

适当名称
HD 1989	HD 49699
TYCHO-2 2000	TYC 5387-825-1
USNO-A2.0	USNO-A2 0750-02854327
HIP	HIP 32696

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