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HD 38095

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Mesures de vitesses radiales. VIII. Accompagnement AU sol DU programme d'observation DU satellite HIPPARCOS We publish 1879 radial velocities of stars distributed in 105 fields of4^{\circ} \times 4^{\circ}. We continue the PPO series \cite[(Fehrenbachet al. 1987;]{Feh87} \cite[Duflot et al. 1990, 1992 and 1995),]{Du90}using the Fehrenbach objective prism method. Table 1 only available inelectronic form at CDS via to cdsarc.u-strasbg.fr (130.79.128.5) or viahttp://cdsweb.u-strasbg.fr/Abstract.html
Observations of fuors. FU Orionis during 1984-1990 - Notable variation in the brightness decline rate Results of FU Ori photometry on Mt. Maidanak during 1984-1990 areanalyzed. In December 1987, the fuor exhibited a stepwise decrease inbrightness by 0.1 mag, after which the decrease rate of FU Oribrightness grew threefold (0.07 mag/yr compared to 0.02 mag/yr during1961-1980), while the U-B color parameter decreased to +0.82 mag. Adistance modulus of 8.1 +/- 0.2 mag is confirmed on the basis ofphotometry of 65 stars in the neighborhood of FU Ori. UBVR magnitudes ofvariable and emission-line stars in the FU Ori field are also presented;brightness variations are suspected for seven stars.
FUOR observations III. FU Orionis during 1984-1990. A remarkable change in the brightness decrease rate. Not Available

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관측 및 측정 데이터

별자리:	오리온자리
적경:	05^h43^m37.44^s
적위:	+10Â°01'10.3"
가시등급:	8.462
거리:	299.401 파섹
적경상의 고유운동:	5.2
적위상의 고유운동:	-17.2
B-T magnitude:	8.603
V-T magnitude:	8.474

천체목록:

일반명	(Edit)
HD 1989	HD 38095
TYCHO-2 2000	TYC 718-697-1
USNO-A2.0	USNO-A2 0975-01925561
HIP	HIP 26994

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