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Results of obs with the 6-inch transit circle (Hammond+ 1927-1982) - W210(I/100A/w10)
This catalog is a compilation of seven catalogs of positions derived from observations with the six-inch transit circle of the U. S. Naval Observatory. The observations were obtained between 1911 and 1971 and were published in the catalogs: W210, W025, W150, W250, W350, W450, and W550. Proper motions and, in most catalogs, spectral types were added from other sources.

Positional_Data, Stars, Proper_Motions

TABULARSKYSERVICE

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Results of obs with the 6-inch transit circle (Hammond+ 1927-1982) - W025(I/100A/w25)
This catalog is a compilation of seven catalogs of positions derived from observations with the six-inch transit circle of the U. S. Naval Observatory. The observations were obtained between 1911 and 1971 and were published in the catalogs: W210, W025, W150, W250, W350, W450, and W550. Proper motions and, in most catalogs, spectral types were added from other sources.

Positional_Data, Stars, Proper_Motions

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Results of obs with the 6-inch transit circle (Hammond+ 1927-1982) - W150, W250, W350, W450, and W550(I/100A/w50)
This catalog is a compilation of seven catalogs of positions derived from observations with the six-inch transit circle of the U. S. Naval Observatory. The observations were obtained between 1911 and 1971 and were published in the catalogs: W210, W025, W150, W250, W350, W450, and W550. Proper motions and, in most catalogs, spectral types were added from other sources.

Positional_Data, Stars, Proper_Motions

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Occultation Double-Star Observations (Evans 1983) - m(v) <= 6.7(I/110/data1)
This catalog contains data on 224 double stars observed photoelectrically during lunar occultations. The author cites the advantages of this method of double star detection as increased resolution, accuracy of the vector separations of roughly one-half arcsecond or better, and the opportunity to make photometric determinations of the magnitude differences between components. The vector separation is the true separation projected along a line perpendicular to the actual lunar limb. The catalog is a compilation of twelve years of observations from the literature (through roughly 1980). It is divided into three files. The first file, data1.dat, contains information on stars brighter than visual magnitude 6.7. The second, data2.dat, lists SAO catalog stars fainter than magnitude 6.7. The third file, data3.dat, contains data on faint stars with no SAO number. For these stars, data on their magnitudes or spectral types may be absent. In many cases there are multiple records per star, reflect

Multiple_Stars

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Occultation Double-Star Observations (Evans 1983) - SAO m(v) > 6.7(I/110/data2)
This catalog contains data on 224 double stars observed photoelectrically during lunar occultations. The author cites the advantages of this method of double star detection as increased resolution, accuracy of the vector separations of roughly one-half arcsecond or better, and the opportunity to make photometric determinations of the magnitude differences between components. The vector separation is the true separation projected along a line perpendicular to the actual lunar limb. The catalog is a compilation of twelve years of observations from the literature (through roughly 1980). It is divided into three files. The first file, data1.dat, contains information on stars brighter than visual magnitude 6.7. The second, data2.dat, lists SAO catalog stars fainter than magnitude 6.7. The third file, data3.dat, contains data on faint stars with no SAO number. For these stars, data on their magnitudes or spectral types may be absent. In many cases there are multiple records per star, reflect

Multiple_Stars

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Occultation Double-Star Observations (Evans 1983) - Faint Non-SAO(I/110/data3)
This catalog contains data on 224 double stars observed photoelectrically during lunar occultations. The author cites the advantages of this method of double star detection as increased resolution, accuracy of the vector separations of roughly one-half arcsecond or better, and the opportunity to make photometric determinations of the magnitude differences between components. The vector separation is the true separation projected along a line perpendicular to the actual lunar limb. The catalog is a compilation of twelve years of observations from the literature (through roughly 1980). It is divided into three files. The first file, data1.dat, contains information on stars brighter than visual magnitude 6.7. The second, data2.dat, lists SAO catalog stars fainter than magnitude 6.7. The third file, data3.dat, contains data on faint stars with no SAO number. For these stars, data on their magnitudes or spectral types may be absent. In many cases there are multiple records per star, reflect

Multiple_Stars

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Lowell Proper Motion Survey - Southern Hemisphere (Giclas+ 1978) - The catalog(I/112/south)
This catalog contains a summary of the Lowell Proper Motion Survey for the southern hemisphere as completed to mid-1978. The catalog gives the position, motion, magnitude, and color of 2758 stars from the Lowell program.

Positional_Data, Proper_Motions

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Lowell Proper Motion Survey - Southern Hemisphere (Giclas+ 1978) - References of used acronyms(I/112/acro)
This catalog contains a summary of the Lowell Proper Motion Survey for the southern hemisphere as completed to mid-1978. The catalog gives the position, motion, magnitude, and color of 2758 stars from the Lowell program.

Positional_Data, Proper_Motions

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Parallaxes and Proper Motions near SGP (Murray+ 1986) - The Catalogue(I/129/catalog)
The catalog contains 6125 stars brighter than B=17.5, V=17.0 in the south galactic cap. The data have been obtained using the UK Schmidt telescope between 1975 and 1981. The plates were measured on the GALAXY machine at RGO. External errors of the parallaxes range between -/+0.012 and -/+0.017 arcsec according to magnitude. Internal proper motion errors range from -/+0.006 and -/+0.008 arcsec. In addition to the positions, proper motions, and parallaxes, the photometric data include B and V.

Parallaxes, Proper_Motions

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LDS Catalogue: Doubles with Common Proper Motion (Luyten 1940-87) - The Catalogue(I/130/main)
This catalogue contains all double stars with common proper motion discovered by Luyten since 1940 up to 1987 (references below). When Luyten had noticed that an entry was duplicated (ref. 8 and 9), only the former LDS number was kept in the data file but with the data given for the latter. The unique exception is LDS 6166, which is a duplicate of LDS 5662, but with an additional component. The systems classified as optical by Luyten were also rejected from the main data files. All the rejected data were put together in a separate file. All coordinates are for the equinox 1950; when the original publication gave another equinox (this is the case for ref. 1), the 1950-coordinates were calculated. The catalogue contains all the systems, sorted by increasing LDS numbers. Duplicate entries and optical systems listed by Luyten were rejected. The catalogue contains 6121 systems, including 87 triple and 1 quadruple systems. The number of records is thus 6210, since each triple system occupies

Multiple_Stars, Proper_Motions

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LDS Catalogue: Doubles with Common Proper Motion (Luyten 1940-87) - Data rejected for duplicate numbers or optical systems(I/130/rejected)
This catalogue contains all double stars with common proper motion discovered by Luyten since 1940 up to 1987 (references below). When Luyten had noticed that an entry was duplicated (ref. 8 and 9), only the former LDS number was kept in the data file but with the data given for the latter. The unique exception is LDS 6166, which is a duplicate of LDS 5662, but with an additional component. The systems classified as optical by Luyten were also rejected from the main data files. All the rejected data were put together in a separate file. All coordinates are for the equinox 1950; when the original publication gave another equinox (this is the case for ref. 1), the 1950-coordinates were calculated. The catalogue contains all the systems, sorted by increasing LDS numbers. Duplicate entries and optical systems listed by Luyten were rejected. The catalogue contains 6121 systems, including 87 triple and 1 quadruple systems. The number of records is thus 6210, since each triple system occupies

Multiple_Stars, Proper_Motions

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Trapezium Multiple Systems (Salukvadze, 1978) - The Catalogue of Trapezium Multiple Systems(I/134/data)
The present catalogue of Trapezium-type Multiple Systems was compiled on the basis of the Index Catalogue of Visual Binary Stars (IDS, Jeffers et al., 1963). At the period of compilation of the Abastumani catalogue, IDS was the most complete catalogue concerning not only stars, but also the data on double stars. Besides giving relative positions, IDS presents the coordinates at 1900 and 2000 epochs, as well as in most cases magnitudes, spectral classes and proper motions. IDS contains all double and multiple stars from the North to the South poles with relative positions published up to the end of 1960, their total number being 64247. In order to select optimum value of K (ratio of the largest to the smallest distances among the components), which is the main criterion for relating a multiple star to the trapezium type, the dependence of the observed trapezia number on the K value has been analysed, and the value 2.6 adopted for it. To exclude optical components, upper limits for the d

Multiple_Stars

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Proper Motions for High Luminosity Stars (Valitova+ 1990) - The catalogue(I/150/catalog)
Meridian circle observations of high luminosity stars were used to supplement previous positions to derive improved proper motions. The proper motions and positions are derived for J2000.0 and for the epoch of observation but the systematic correction: FK5-FK4 and the correction to FK5 for each star were ignored. V magnitudes and MK spectral types are taken from published catalogs.

Stars, Proper_Motions

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International Reference Stars (IRS) (Corbin 1991) - Part 1: more reliable positions and proper motions(I/172/irs1)
The IRS is an all-sky catalog of positions and proper motions that is based on the AGK3R (Corbin 1977, 1978) in the Northern Hemisphere and on the newly completed SRS (Smith et al. 1990) in the south. The data for the 36027 stars of the IRS were compiled in B1950.0 FK4 and then transformed to J2000.0 FK5. The IRS was compiled by matching 122 meridian circle catalogs with the AGK3R and SRS to provide the data base. Catalogs whose stars had been observed using screens to minimize the magnitude equation and that contained FK4 (Fricke and Kopff 1963) stars were used to form a preliminary system. These catalogs were reduced to the FK4 by direct comparison; the resulting positions and proper motions were then used to reduce all of the other catalogs. Thus, the IRS is a differential catalog compiled from 164,917 positions reduced to the FK4 system. The IRS is divided into two parts. Part 1 contains the stars having better observational histories and, therefore, more reliable positions and pro

Positional_Data, Proper_Motions

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International Reference Stars (IRS) (Corbin 1991) - Part 2: stars with poor observational history(I/172/irs2)
The IRS is an all-sky catalog of positions and proper motions that is based on the AGK3R (Corbin 1977, 1978) in the Northern Hemisphere and on the newly completed SRS (Smith et al. 1990) in the south. The data for the 36027 stars of the IRS were compiled in B1950.0 FK4 and then transformed to J2000.0 FK5. The IRS was compiled by matching 122 meridian circle catalogs with the AGK3R and SRS to provide the data base. Catalogs whose stars had been observed using screens to minimize the magnitude equation and that contained FK4 (Fricke and Kopff 1963) stars were used to form a preliminary system. These catalogs were reduced to the FK4 by direct comparison; the resulting positions and proper motions were then used to reduce all of the other catalogs. Thus, the IRS is a differential catalog compiled from 164,917 positions reduced to the FK4 system. The IRS is divided into two parts. Part 1 contains the stars having better observational histories and, therefore, more reliable positions and pro

Positional_Data, Proper_Motions

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The FK5 Extension of the FK4 System (Lattanzi+ 1993) - FK5 Extension at B1950.0 on FK4 system(I/202/fk5e1950)
The FK5 catalog was expanded from 1535 stars to include an additional 3117 stars which comprise the 'extension' to the new 'Basic' FK5, the revision of the FK4. For the basic FK5 a method of converting from the FK5 system to the FK4 system is provided in the catalog while for the Extension no algorithm was supplied. This catalog consists of two files. One file is the FK5 Extension placed at B1950.0 on the FK4 system. The second file is the FK5 Extension placed at the mean Epoch of place on the FK4 system.

Positional_Data, Stars, Proper_Motions

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The FK5 Extension of the FK4 System (Lattanzi+ 1993) - FK5 Extension on the FK4 B1950.0 (Mean epoch of place)(I/202/fk5emean)
The FK5 catalog was expanded from 1535 stars to include an additional 3117 stars which comprise the 'extension' to the new 'Basic' FK5, the revision of the FK4. For the basic FK5 a method of converting from the FK5 system to the FK4 system is provided in the catalog while for the Extension no algorithm was supplied. This catalog consists of two files. One file is the FK5 Extension placed at B1950.0 on the FK4 system. The second file is the FK5 Extension placed at the mean Epoch of place on the FK4 system.

Positional_Data, Stars, Proper_Motions

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Bright Stars Supplement to PPM (Bastian+ 1993) - The Bright Star Supplement(I/206/ppmb)
A number of bright stars is missing from the PPM Star Catalogue, both on the northern and on the southern hemisphere. The Bright Stars Supplement described here makes PPM complete down to V=7.5 mag. For this purpose it lists all missing stars brighter than V=7.6 mag that we could find in published star lists. Their total number is 275. Only 2 of them are brighter than V=3.5. This replaces the December 1992 edition (catalogue I/194) of the Bright Stars Supplement which inadvertently contained 46 duplicates of stars already contained in the main parts of PPM.

Positional_Data, Proper_Motions

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Proper motions in NGC 3680 (Kozhurina-Platais+, 1995) - The catalogue of stars in NGC 3680(I/212/ngc3680)
A catalogue of positions, proper motions and photographic BV magnitudes for 2711 stars in and around the open cluster NGC 3680 is presented. The Catalogue is complete down to B=17.5 mag in a rectangular, one square degree area centered on the cluster. The limiting magnitude of the Catalogue is B=18.4 mag. The mean standard error of the proper motions for well-measured stars is +/-0.35 mas/yr. The photographic B and V magnitudes are accurate to about +/-0.1 mag. The mean error of the relative positions for all 2711 is +/-0.025 arcsec at the mean epoch of the plate material, 1977.8. For each star, three different cluster membership estimators are presented. For convenience, cross-identifications to other studies are provided.

Positional_Data, Open_Clusters, Proper_Motions

TABULARSKYSERVICE

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