|
OB association
|
|
Photographic UBV photometry to V~21 in the Puppis window [1989]
|
|
observations
|
|
Investigation of RATAN-600 RC radio sources [1996]
|
|
Observatory log
|
|
Wide-Field Plate Database [1997]
Optical Spectra and redshifts of 1 Jy, S4 and S5 radio source identifications.V. [1994]
|
|
occultation
|
|
Photometry and position observations of Saturnian satellites during their mutual eclipses and occultations in 1995 performed at the observatories in Russia and Kazakhstan [1999]
|
|
occultations
|
|
A catalogue of the observations of the mutual phenomena of the Galilean satellites made in 1991 during the PHEMU91 Campaign [1997]
Meter wavelength structures, flux densities and accurate positions of weak radio sources. [1989]
Predictions of the mutual events of the Galilean satellites of Jupiter occurring in 1997 [1996]
The TIRGO lunar occultation program: summary of the 1985-1995 observations. [1996]
Catalog of Photoelectric Measures of Occultation Binary Stars [1995]
|
|
Occultations
|
|
Catalogue of Occultation Double-Star Observations [1983]
Lunar Occultations of IRAS Point Sources, 1986-1990 [1986]
Lunar Occultations of IRAS Point Sources: 1991-2000 [1989]
A catalogue of the observations of the mutual phenomena of the Galilean satellites made in 1991 during the PHEMU91 Campaign [1997]
Photometry and position observations of Saturnian satellites during their mutual eclipses and occultations in 1995 performed at the observatories in Russia and Kazakhstan [1999]
Predictions of the mutual events of the Galilean satellites of Jupiter occurring in 1997 [1996]
Stellar occultation candidates from the Guide Star Catalog. I. Saturn, 1991-1999 [1992]
Triton stellar occultation candidates 1992-1994 [1992]
Triton stellar occultation candidates: 1995-1999 [1995]
The TIRGO lunar occultation program: summary of the 1985-1995 observations. [1996]
Catalog of Photoelectric Measures of Occultation Binary Stars [1995]
|
|
OH maser
|
|
1612 MHz OH survey of IRAS point sources I. Observations made at Dwingeloo, Effelsberg and Parkes [1991]
|
|
Opacities
|
|
Opacities for stellar envelopes [1994]
Opacities for stellar envelopes [1994]
The planetary nebulae populations in five galaxies: abundance patterns and evolution [1998]
Relativistic Free-Free Gaunt Factor of the Dense High-Temperature Stellar Plasma [1987]
Relativistic Free-Free Gaunt Factor of the Dense High-Temperature Stellar Plasma. II. Carbon and Oxygen Plasmas [1990]
The Rosseland mean free-free Gaunt factor of the dense high-Temperature stellar plasma [1991]
Energy Deposition and Photoelectric Emission from the Interaction of 10 eV to 1 MeV Photons with Interstellar Dust Particles [1996]
|
|
opacities
|
|
Relativistic Free-Free Gaunt Factor of the Dense High-Temperature Stellar Plasma [1987]
Relativistic Free-Free Gaunt Factor of the Dense High-Temperature Stellar Plasma. II. Carbon and Oxygen Plasmas [1990]
The Rosseland mean free-free Gaunt factor of the dense high-Temperature stellar plasma [1991]
|
|
open clusters and asociations: individual (zeta Scl)
|
|
UBV and uvbyb photometry of stars in the region of the Zeta Sculptoris cluster [1988]
|
|
open clusters and assocations: individual (Hyades)
|
|
The Einstein Observatory survey of stars in the Hyades cluster region. [1988]
|
|
open clusters and associations: general
|
|
Study of proper motions in the region of the open cluster M67 and membership of stars [1993]
Integrated photometric properties of open clusters [1994]
Catalogue of blue stragglers in open clusters [1995]
Proper motions of stars in the region of the Orion Nebula cluster (C 0532-054) [1996]
Be stars in open clusters. I. uvby{beta} photometry. [1996]
Fundamental parameters of the highly reddened young open clusters Westerlund 1 and 2 [1998]
Photometric study of the open cluster NGC 2323 [1998]
Membership determination of stars using proper motions in the region of the open cluster M11 [1998]
Walraven photometry of nearby southern OB associations [1990]
CCD observations in 7 open clusters: NGC 2421,2439,2489,2567,2627,2658,2910 [1992]
Integrated spectral properties of star clusters in the the near-ultraviolet [1994]
The Orion OB1 association. I. Stellar content [1994]
CCD photometry of the faint old open clusters ESO 96-SC04 and ESO 92-SC18 [1995]
Red giants in open clusters. VI. Orbits of ten spectroscopic binaries. [1997]
Investigation of the Pleiades cluster. III. Additional corona members [1997]
Evolution of mass segregation in open clusters: some observational evidences [1998]
The ionizing cluster of 30 Doradus. I. Internal reddening from NTT photometry. [1999]
A revised and extended catalog of Magellanic system clusters, associations, and emission nebulae. I. Small Magellanic Cloud and Bridge. [1995]
UBV photometry of OB associations within superbubbles of the Large Magellanic Cloud [1996]
The centers of star formation in NGC 6334 and their stellar mass distributions [1989]
The initial mass function for massive stars in the Magellanic Clouds. I. UBV photometry and color-magnitude diagrams for 14 OB associations [1994]
A K' imaging survey of molecular outflow sources [1994]
X-ray studies of coeval star samples. III. X-ray emission in the Ursa Major stream. [1990]
UIT and optical imagery of Large Magellanic cloud associations LH 52 and LH 53: ages and initial mass function slopes [1995]
Variable Stars in Magellanic Cloud Clusters. II. NGC 1850 [1995]
The Initial Mass Function and Massive Star Evolution in the OB Associations of the Northern Milky Way [1995]
|
|
open clusters and associations: individual (30 Dor)
|
|
Initial mass functions from ultraviolet stellar photometry: a comparison of Lucke and Hodge OB Associations near 30 Doradus with the nearby field [1994]
|
|
open clusters and associations: individual (Alpha Per)
|
|
UBVRI photometric monitoring of 7 rapidly rotating late-type dwarfs in the Alpha Persei cluster [1996]
|
|
open clusters and associations: individual (AM-2)
|
|
BH 176 and AM-2: globular or open clusters ? [1995]
|
|
open clusters and associations: individual (Be 22, Be 29, Be 54)
|
|
CCD photometry of distant open clusters: I. Berkeley 22, Berkeley 29 and Berkeley 54 [1994]
|
|
open clusters and associations: individual (Be 64, Be 69)
|
|
Stellar contents of the open clusters Be 64 and Be 69 [1997]
|
|
open clusters and associations: individual (Berkeley 17)
|
|
Berkeley 17: the oldest open cluster? [1997]
|
|
open clusters and associations: individual (Berkeley 18)
|
|
CCD Photometry of distant open clusters: III. Berkeley 18. [1997]
|
|
open clusters and associations: individual (Bky 86)
|
|
Deep CCD photometry and the initial mass function of the core of the OB cluster Berkeley 86. [1996]
|
|
open clusters and associations: individual (Blanco 1)
|
|
Spectroscopy of the open cluster Blanco 1. II. Halpha emission as an indicator of relative age [1997]
|
|
open clusters and associations: individual (C 0532-054)
|
|
Proper motions of stars in the region of the Orion Nebula cluster (C 0532-054) [1996]
|
|
open clusters and associations: individual (Cep OB3)
|
|
UBVRI-CCD photometry of Cepheus OB3 association [1995]
|
|
open clusters and associations: individual (Coma cluster)
|
|
An astrometric catalogue for the area of Coma Berenices [1999]
|
|
open clusters and associations: individual (Cr 272)
|
|
UBVRI imaging photometry of the open cluster Cr 272 [1997]
|
|
open clusters and associations: individual (Cyg OB2)
|
|
Mapping the {beta} Cephei instability strip: photometric variability of stars in the central part of the Cygnus OB2 association. [1998]
|
|
open clusters and associations: individual (ESO 96-SC04, ESO 92-SC18)
|
|
CCD photometry of the faint old open clusters ESO 96-SC04 and ESO 92-SC18 [1995]
|
|
open clusters and associations: individual (Hyades)
|
|
Lithium abundance in binaries of the Hyades open cluster [1996]
The Hyades: distance, structure, dynamics, and age [1998]
ROSAT all-sky survey observations of the Hyades cluster [1995]
Proper motions from Schmidt plates. II. The Hyades. [1992]
|
|
open clusters and associations: individual (IC 2391)
|
|
Photometrically determined membership of the young, open cluster IC 2391 [1997]
|
|
open clusters and associations: individual (IC 2602)
|
|
CCD photometry of late-type stars in the young open cluster IC 2602 [1997]
|
|
open clusters and associations: individual (IC 348)
|
|
Deep UVBRI photometry in IC 348 [1997]
|
|
open clusters and associations: individual (M 11)
|
|
Membership determination of stars using proper motions in the region of the open cluster M11 [1998]
|
|
open clusters and associations: individual (Mel 71)
|
|
Red giants in open clusters: VII. Melotte 71 [1997]
|
|
open clusters and associations: individual (NGC 129)
|
|
Positions and proper motions in the area of the open cluster NGC 129 [1997]
|
|
open clusters and associations: individual (NGC 1647)
|
|
The astrometric accuracy of ``Carte du Ciel'' plates and proper motions in the field of the open cluster NGC 1647 [1996]
|
|
open clusters and associations: individual (NGC 1746, NGC 1750)
|
|
The overlapping open clusters NGC 1750 and NGC 1758: II. BVR photographic photometry and proper motions [1998]
The overlapping open clusters NGC 1750 and NGC 1758. I. UBVRI-CCD photometry [1998]
|
|
open clusters and associations: individual (NGC 1750, NGC 1758)
|
|
Determination of proper motions and membership of the open clusters NGC 1750 and NGC 1758. [1998]
|
|
open clusters and associations: individual (NGC 1758)
|
|
The overlapping open clusters NGC 1750 and NGC 1758: II. BVR photographic photometry and proper motions [1998]
|
|
open clusters and associations: individual (NGC 1817, NGC 1807)
|
|
Determination of proper motions and membership of the open clusters NGC 1817 and NGC 1807 [1998]
|
|
open clusters and associations: individual (NGC 1962, NGC 1965)
|
|
CCD Photometry of the Young Association NGC 1962-65-66-70 in the Large Magellanic Cloud [1995]
|
|
open clusters and associations: individual (NGC 1966, NGC 1970)
|
|
CCD Photometry of the Young Association NGC 1962-65-66-70 in the Large Magellanic Cloud [1995]
|
|
open clusters and associations: individual (NGC 2099)
|
|
Red giants in open clusters: V. NGC 2099 [1996]
|
|
open clusters and associations: individual (NGC 2243)
|
|
Variable stars in the field of the old open cluster NGC 2243 [1996]
|
|
open clusters and associations: individual (NGC 2243, Mel 66)
|
|
Elemental abundances in the old open clusters NGC 2243 and Melotte 66 [1994]
|
|
open clusters and associations: individual (NGC 2264)
|
|
BVRI photometry of the star-forming region NGC 2264: the initial mass function and star-forming rate [1999]
|
|
open clusters and associations: individual (NGC 2286)
|
|
Proper motions of stars in the region of open cluster NGC 2286 and its membership study [1994]
|
|
open clusters and associations: individual (NGC 2323)
|
|
Photometric study of the open cluster NGC 2323 [1998]
|
|
open clusters and associations: individual (NGC 2453)
|
|
A deep BVI photometric study of the open cluster NGC 2453 [1995]
|
|
open clusters and associations: individual (NGC 2477)
|
|
NGC 2477: photometry and luminosity function. [1996]
|
|
open clusters and associations: individual (NGC 2516)
|
|
ROSAT survey of stellar X-ray sources in the young open cluster NGC 2516 [1996]
|
|
open clusters and associations: individual (NGC 3228, NGC 4103)
|
|
Multicolour deep CCD photometric study of the moderately young southern open star clusters NGC 3228, NGC 4103, NGC 5662 and NGC 6087 [1997]
|
|
open clusters and associations: individual (NGC 3680)
|
|
Critical tests of stellar evolution in open clusters. I. New photometry and radial velocities for NGC 3680 [1996]
Red giants in open clusters: IV. NGC 3680 and IC 4651 [1995]
Critical tests of stellar evolution in open clusters. II. Membership, duplicity, and stellar and dynamical evolution in NGC 3680 [1997]
|
|
open clusters and associations: individual (NGC 4755)
|
|
A deep UBVRI CCD photometric study of the moderately young southern open star cluster NGC 4755 = {kappa} Crucis [1995]
|
|
open clusters and associations: individual (NGC 4815)
|
|
Deep CCD BV photometry of the poorly studied open cluster NGC 4815 [1994]
|
|
open clusters and associations: individual (NGC 5460)
|
|
BV(RI)KC CCD photometry of the core of the young open cluster, NGC 5460 [1995]
|
|
open clusters and associations: individual (NGC 5606)
|
|
Deep photometry in the core of the open cluster NGC 5606 [1994]
|
|
open clusters and associations: individual (NGC 6231)
|
|
Binarity among B-stars in NGC 6231 [1996]
Geneva photometry in the young open cluster NGC 6231 [1997]
|
|
open clusters and associations: individual (NGC 6530)
|
|
A multiwavelength study of star formation in the very young open cluster NGC 6530 [1997]
|
|
open clusters and associations: individual (NGC 6791)
|
|
CCD photometry of distant open clusters: II NGC 6791 [1995]
|
|
open clusters and associations: individual (NGC 7142)
|
|
CCD Photometry of the old open cluster NGC 7142 [1991]
|
|
open clusters and associations: individual (NGC 7419)
|
|
The galactic open cluster NGC 7419 and its five red supergiants. [1994]
|
|
open clusters and associations: individual (NGC 7510)
|
|
A new study of the young open cluster NGC 7510 [1996]
|
|
open clusters and associations: individual (NGC 752)
|
|
Red giants in open clusters: VIII. NGC 752 [1998]
|
|
open clusters and associations: individual (NGC 7762)
|
|
NGC 7762: a forgotten moderate age open cluster [1995]
|
|
open clusters and associations: individual (NGC 7789)
|
|
Variable stars in the field of the open cluster NGC 7789 [1995]
|
|
open clusters and associations: individual (NGC 869, h Per)
|
|
B-type pulsators in the central region of NGC 869 (h Persei) [1999]
|
|
open clusters and associations: individual (NGC 884, chi Per)
|
|
B-type pulsators in the open cluster NGC 884 ({chi} Persei) [1997]
|
|
open clusters and associations: individual (Orion OB1)
|
|
The Orion OB1 association. I. Stellar content [1994]
|
|
open clusters and associations: individual (Pis 20)
|
|
A detailed study of the open cluster Pismis 20 [1995]
|
|
open clusters and associations: individual (Pleiades)
|
|
Very low mass proper motion members in the Pleiades [1993]
Membership probabilities in the Pleiades field [1995]
Investigation of the Pleiades cluster. III. Additional corona members [1997]
Investigation of the Pleiades cluster. IV. The radial structure. [1998]
The fine structure of the Pleiades luminosity function and pre-main sequence evolution [1998]
The rotational velocity of low-mass stars in the Pleiades cluster [1998]
A deep imaging survey of the Pleiades with ROSAT. [1994]
X-ray studies of coeval star samples. II. The Pleiades cluster as observed with the Einstein Observatory. [1990]
|
|
open clusters and associations: individual (Pleiades, Melotte 22)
|
|
Pleiades low-mass binaries: do companions affect the evolution of protoplanetary disks? [1997]
|
|
open clusters and associations: individual (Praesepe)
|
|
High-precision study of proper motions and membership of 924 stars in the central region of Praesepe. [1995]
Photoelectric photometry and period analysis of selected delta Scuti stars in Praesepe [1998]
A ROSAT X-ray study of the Praesepe cluster [1995]
Photometric parameters for rotating models of A- and F-type stars [1999]
|
|
open clusters and associations: individual (Praesepe, NGC 6231)
|
|
Evolution of mass segregation in open clusters: some observational evidences [1998]
|
|
open clusters and associations: individual (R136)
|
|
The intermediate stellar mass population in R136 determined from Hubble Space Telescope planetary camera 2 images [1995]
|
|
open clusters and associations: individual (Sco-Cen association)
|
|
A homogeneous catalog of new UBV and H-beta photometry of B and A type stars in and around the Scorpius-Centaurus OB association [1992]
|
|
open clusters and associations: individual (Scorpius, Centarus)
|
|
A lithium-survey for pre-main sequence stars in the upper Scorpius OB association [1998]
|
|
open clusters and associations: individual (Serpens cloud)
|
|
Deep optical and near infrared imaging photometry of the Serpens cloud core [1998]
|
|
open clusters and associations: individual (Sh 138)
|
|
Sh 138: a compact HII region excited by a very young cluster [1999]
|
|
open clusters and associations: individual (Stock 14)
|
|
The pulsating yellow supergiant V810 Centauri [1998]
|
|
open clusters and associations: individual (Tr 14)
|
|
Investigation on the region of the open cluster Tr 14 [1996]
|
|
open clusters and associations: individual (Trumpler 5)
|
|
CCD photometry of distant open clusters. IV. Trumpler 5. [1998]
|
|
open clusters and associations: individual (Westerlund 1, Westerlund 2)
|
|
Fundamental parameters of the highly reddened young open clusters Westerlund 1 and 2 [1998]
|
|
open clusters and associations: individual: IC 348
|
|
IC 348 proper motion study from digitised Schmidt plates. [1999]
|
|
open clusters and associations: individual: NGC 206
|
|
The intermediate stellar mass population in the M31 OB association NGC 206. [1996]
|
|
open stars
|
|
Very low mass stars in the galactic cluster Praesepe [1995]
|
|
optical and IR identification of radio sources
|
|
A radio survey of clusters of galaxies I. 11.1 cm observations of A 591, A 754, A 1066, A 1314, A 1517, A 2094, A 2142, A 2255, A 2256, A 2319 and A 2462. [1978]
|
|
optical spectroscopy
|
|
Spectroscopy of 1 Jy and S5 radio source Identifications. I. [1989]
|
|
optical: general
|
|
Atomic data from the IRON Project. XVII. Radiative transition probability for dipole allowed frobidden transitions in Fe III. [1996]
|
|
Orion stars
|
|
Orientation of Circumstellar Disks and the Statistics of H{alpha} Profiles of Ae/Be Herbig Stars. [1996]
|