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OGLE-II DIA BUL_SC1 field
We present an implementation of the difference image photometry based on the Alard and Lupton optimal PSF matching algorithm. The most important feature distinguishing this... -
UBVI Photometry in 7 open clusters
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V photometry of YY CMi
New V photoelectric observations of the eclipsing system YY CMi, obtained at La Silla, Chile, and Merate Observatory, Italy, are presented. New times of minima and ephemeris... -
Terzan 10, ESO456-SC38 and UKS 1 VIz photometry
We present optical colour-magnitude diagrams for the faint bulge globular clusters Terzan 10, ESO456-SC38 and UKS 1. The giant branches are detected but the horizontal branch is... -
BVR photometry of 10 ESO/SERC fields
For calibration of ESO/SERC survey plates, photometric CCD sequences have been obtained for 10 ESO/SERC fields in the area 10h00m<R.A.<15h30m and... -
DD Mon BV light curves
New BV light curves of the short-period eclipsing binary system DD Mon have been obtained. Light-curve variability is seen in both B and V bands as compared with the light... -
Photometry of V700 Cyg and AW Vir
A photometric analysis of the W UMa systems V 700 Cyg and AW Vir, based on photoelectric B and V light curves, is presented. Since no spectroscopic mass-ratio is available, the... -
Terzan 6 NTT VI photometry
We present for the first time optical (V, I and Gunn z) colour magnitude diagrams for Terzan 6, which were collected under excellent seeing conditions with the ESO NTT... -
VI photometry of Berkeley 66
A colour magnitude diagram (CMD) extending to V=~19mag is given for 444 stars in the region of the galactic cluster Berkeley 66. The V and I photometry of a nearby field is also... -
BV photometry of Blanco 1 stars
We present the results of H{alpha}(6562A) and Li I(6708A) observations of 114 low-mass stars of the young open cluster Blanco 1. We also present observations of 30 stars in Ca... -
VI photometry of Ton 2 cluster
Ton 2 is among the less-known Galactic globular clusters. We present for the first time colour magnitude diagrams in the V, I bands. We used the ESO NTT telescope under an... -
NGC 6440
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NGC4815 BV photometry
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B,V photoelectric obs. of V505 Sgr
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Integrated Photometry of open clusters
Galactic open clusters provide an abundant sample of stellar aggregates of various sizes, ages and metal abundances, apt to constitute a template for comparison with star... -
Mass-radius relationship of 34 Kepler planets
Transit timing variations (TTVs) can provide useful information on compact multi-planetary systems observed by transits by setting constraints on the masses and eccentricities... -
TOI-969 light and RV curves
The current architecture of a given multi-planetary system is a key fingerprint of its past formation and dynamical evolution history. Long-term follow-up observations are key... -
CHEOPS photometry of KELT-1
Recent studies based on photometry from the Transiting Exoplanet Survey Satellite (TESS) have suggested that the dayside of KELT-1b, a strongly irradiated brown dwarf, is... -
R-band light curves of QSO J0158-4325 images
We report periodic oscillations in the 15-year-long optical light curve of the gravitationally lensed quasar J0158-4325 at z_s_=1.29. The signal is enhanced during a high... -
Extreme emission line galaxies in J-PLUS
We searched for extreme emission line galaxies (EELGs) in the J-PLUS multiband survey (Cenarro et al., 2019A&A...622A.176C). We selected them by their excess of flux in the...