P Cygni is a prototype for understanding mass loss from massive stars. This textbook star is known first of all because of two great eruptions in the 17th...
P-CORONA: A New Tool for Calculating the Intensity and Polarization of Coronal Lines in 3D Models of the Solar Corona
The critical need to study the magnetic field in the solar corona is highlighted by recent observational facilities, such as the Daniel K. Inouye Solar...
P-CORONA: A New Tool for Calculating the Intensity and Polarization of Coronal Lines in 3D Models of the Solar Corona
The critical need to study the magnetic field in the solar corona is highlighted by recent observational facilities, such as the Daniel K. Inouye Solar...
P-REx: The Piston Reconstruction Experiment for infrared interferometry
For sensitive infrared interferometry, it is crucial to control the differential piston evolution between the used telescopes. This is classically done by the...
PACS Evolutionary Probe (PEP) - A Herschel key program
Deep far-infrared photometric surveys studying galaxy evolution and the nature of the cosmic infrared background are a key strength of the Herschel mission. We...
Pair separation of magnetic elements in the quiet Sun
The dynamic properties of the quiet Sun photosphere can be investigated by analyzing the pair dispersion of small-scale magnetic fields (i.e., magnetic elements...
Palomar 1 - Another young Galactic halo globular cluster
Deep V and I CCD images of the loosely populated Galactic globular cluster Pal 1 and the surrounding field have been obtained with the Isaac Newton Telescope. A...
Pan-STARRS Follow-up of the Gravitational-wave Event S250818k and the Light Curve of SN2025ulz
Kilonovae are the scientifically rich—but observationally elusive—optical transient phenomena associated with compact binary mergers. Only a handful of events...
Panchromatic Observations and Modeling of the HV Tau C Edge-on Disk
We present new high spatial resolution (lsim0farcs1) 1-5 μm adaptive optics images, interferometric 1.3 mm continuum and 12CO 2-1 maps, and 350 μm, 2.8 and 3.3...