ON MAGNITUDE ERRORS AND SYSTEMATIC POSITION AND PROPER MOTION DIFFERENCES BETWEEN THE BERGEDORF- AND STRASSBOURG SOLUTION OF THE AGK 2/3 CATALOGUE.DE VEGT C.1975; ASTR. AND ASTROPHYS.; GERM.; DA. 1975; VOL. 43; NO 2; PP. 303-308; BIBL. 17 REF.Article

ON THE DISCREPANCY BETWEEN THE OPTICAL AND RADIO POSITION OF T TAURIDE VEGT C.1982; ASTRON. ASTROPHYS. (BERL.); ISSN 0004-6361; DEU; DA. 1982; VOL. 109; NO 2; PP. L15-L16; BIBL. 7 REF.Article

ON THE ANGULAR DIAMETER OF TX PISCIUM FROM LUNAR OCCULTATIONS.DE VEGT C.1974; ASTR. AND ASTROPHYS.; GERM.; DA. 1974; VOL. 34; NO 3; PP. 457-458; BIBL. 7 REF.Article

COMPARISON OF PRECISE OPTICAL AND RADIO POSITIONS FOR CYG OB2 MEMBERS AND P CYGDE VEGT C.1982; ASTRON. ASTROPHYS. (BERL.); ISSN 0004-6361; DEU; DA. 1982; VOL. 109; NO 2; PP. 282-284; BIBL. 14 REF.Article

ON THE DISCREPANCY BETWEEN THE OPTICAL AND RADIO OF SS433DE VEGT C; GEHLICH UK.1979; ASTR. AND ASTROPHYS.; DEU; DA. 1979; VOL. 79; NO 3; PP. L16-L17; BIBL. 11 REF.Article

AN IMPROVED OPTICAL POSITION OF 3C 273B IN THE FK4-SYSTEMDE VEGT C; GEHLICH UK.1981; ASTRON. ASTROPHYS. (BERL.); ISSN 0004-6361; DEU; DA. 1981; VOL. 101; NO 2; PP. 191-193; BIBL. 22 REF.Article

PRECISE OPTICAL POSITIONS OF RADIO SOURCES IN THE FK H-SYSTEM. RESULTS FROM A PILOT PROGRAM.DE VEGT C; GEHLICH UK.1978; ASTR. AND ASTROPHYS.; DEU; DA. 1978; VOL. 67; NO 1; PP. 65-71; BIBL. 28 REF.Article

INVESTIGATION OF SYSTEMATIC DIFFERENCES BETWEEN THE NEW WASHINGTON CATALOGS W5-50 AND WL 50, THE PERTH 70 AND THE AGK 3R IN THEIR COMMON ZONE OF OVERLAP, DECLINATIONS -5^O TO +5^OCORBIN T; DE VEGT C.1981; ASTRON. ASTROPHYS. (BERL.); ISSN 0004-6361; DEU; DA. 1981; VOL. 104; NO 1; PP. 88-92; BIBL. 15 REF.Article

PRECISE OPTICAL POSITIONS OF RADIO SOURCES IN THE FK 4-SYSTEM. II: RESULTS FROM 28 SOURCES ON THE NORTHERN HEMISPHERE AND A PRELIMINARY COMPARISON OF THE OPTICAL-RADIO REFERENCE FRAMEDE VEGT C; GEHLICH UK.1982; ASTRONOMY AND ASTROPHYSICS; ISSN 0004-6361; DEU; DA. 1982; VOL. 113; NO 2; PP. 213-218; BIBL. 30 REF.Article

RESULTS OF PHOTOELECTRIC LUNAR OCCULTATION OBSERVATIONS OBTAINED AT THE HAMBURG OBSERVATORY DURING 1969-1973.DE VEGT C; GEHLICH UK.1976; ASTR. AND ASTROPHYS.; GERM.; DA. 1976; VOL. 48; NO 2; PP. 245-252; BIBL. 22 REF.Article

IMPROVED ORBITAL ELEMENTS FOR PERIODIC COMET SCHORR (1918 III)DE VEGT C; KOHOUTEK L; MARSDEN BG et al.1982; ASTRON. ASTROPHYS. (BERL.); ISSN 0004-6361; DEU; DA. 1982; VOL. 114; NO 1; PP. 147-150; BIBL. 13 REF.Article

ON THE OPTICAL IDENTIFICATION OF THE RADIO SOURCE CL 4DE VEGT C; GEHLICH UK; PROCHAZKA F et al.1978; ASTR. AND ASTROPHYS.; DEU; DA. 1978; VOL. 70; NO 5; PP. L63-L64; BIBL. 6 REF.Article

A catalog of precise reference star positions for the astrometry network of the international comet P/Halley campaignDE VEGT, C; ZACHARIAS, N.Astronomy & astrophysics. Supplement Series (Print). 1987, Vol 71, Num 3, pp 525-530, issn 0365-0138Article

Results from a pilot program for determining precise optical positions of radio sources with the 1.5m L. Figl-telescope of the Vienna observatoryDE VEGT, C; PROCHAZKA, F.Astronomy and astrophysics (Berlin. Print). 1985, Vol 148, Num 1, pp 226-228, issn 0004-6361Article

An astrometric catalogue of radio starsWALTER, H. G; HERING, R; DE VEGT, C et al.Astronomy & astrophysics. Supplement Series (Print). 1990, Vol 86, Num 3, pp 357-393, issn 0365-0138, 37 p.Article

CPC2 : the Second Cape Photographic Catalog. II : Conventional plate adjustment and catalog constructionZACHARIAS, N; DE VEGT, C; NICHOLSON, W et al.Astronomy and astrophysics (Berlin. Print). 1992, Vol 254, Num 1-2, pp 397-421, issn 0004-6361Article

Envelope structures and optical/radio positions of cool starsBOWERS, P. F; JOHNSTON, K. J; DE VEGT, C et al.The Astrophysical journal. 1989, Vol 340, Num 1, pp 479-502, issn 0004-637X, 1Article

A radio optical reference frame. II ; Additional radio and optical source positions in the northern hemisphereRUSSELL, J. L; JOHNSTON, K. J; MA, C et al.The Astronomical journal (New York). 1991, Vol 101, Num 6, pp 2266-2273, issn 0004-6256, 8 p.Article

Second Cape photographic catalogue 1950.0-I: Provisional catalogue of positions of stars in the Cape Zone, -40° to -52°NICHOLSON, W; PENSTON, M. J; MURRAY, C. A et al.Monthly Notices of the Royal Astronomical Society. 1984, Vol 208, Num 4, pp 911-923, issn 0035-8711Article

Optical and radio astrometry of four late-type stars with maser emissionDE VEGT, C; KLEINE, T; JOHNSTON, K. J et al.Astronomy and astrophysics (Berlin. Print). 1987, Vol 179, Num 1-2, pp 322-328, issn 0004-6361Article

CPC2: the second cape photographic catalogue. I: History, observations and plate measurementsDE VEGT, C; MURRAY, C. A; ZACHARINAS, N et al.Astronomy & astrophysics. Supplement Series (Print). 1993, Vol 97, Num 4, pp 985-996, issn 0365-0138Article

A radio optical reference frame. IV : Additional radio source positions in the northern hemisphereFEY, A. L; RUSSELL, J. L; MA, C et al.The Astronomical journal (New York). 1992, Vol 104, Num 2, pp 891-896, issn 0004-6256Article

A catalog of selected compact radio sources for the construction of an extragalactic radio/optical reference frameARGUE, A. N; DE VEGT, C; WALTER, H et al.Astronomy and astrophysics (Berlin. Print). 1984, Vol 130, Num 1, pp 191-199, issn 0004-6361Article

A radio optical reference frame. III : Additional radio and optical positions in the southern hemisphereRUSSEL, J. L; JAUNCEY, D. L; HINDSLEY, R et al.The Astronomical journal (New York). 1992, Vol 103, Num 6, pp 2090-2098, issn 0004-6256Article

The Hipparcos Input Catalogue. II : Astrometric dataJAHREISS, H; REQUIEME, Y; PENSTON, M. J et al.Astronomy and astrophysics (Berlin. Print). 1992, Vol 258, Num 1, pp 82-87, issn 0004-6361Article