MASTER Follow-up Observations of LIGO GW170104 Event
We present the results of MASTER Global Robotic Net optical observations of the LIGO GW170104 error-box during the LIGO/Virgo O2 run. We observed 3421 square...
MASTER Optical Observation of LIGO/VIRGO S200224ca Error-box
We present the results of MASTER Global Robotic Net optical observations of LIGO/Virgo S200224ca error-box (O3 set). We observed 380 square degrees inside the...
MASTER Optical Observation of LIGO/VIRGO S200302c Event
The results of LIGO/Virgo S200302c (O3) error-box optical inspection by MASTER are presented. We observed 4242 square degrees square degrees inside 3σ error box...
Optical Identifications of Galaxy Clusters Among Objects from the Second Planck Catalogue of Sunyaev-Zeldovich Sources
We present the results of optical identifications and spectroscopic redshift measurements for galaxy clusters from the second Planck catalogue of Sunyaev...
Optical Identifications of High-Redshift Galaxy Clusters from the Planck Sunyaev-Zeldovich Survey
We present the results of optical identifications and spectroscopic redshift measurements for galaxy clusters from the second Planck catalogue of Sunyaev...
Optical Transients Detected by MASTER during LIGO/VIRGO O2 Set Event
We present MASTER observations from inspecting the large error-box associated with LIGO/Virgo G270590, and our observational strategy. MASTER observed 6292...
Optical Transients Found by MASTER during the Observation of LIGO/VIRGO S200219ac Gravitational-wave Event
We present the results of MASTER Global Robotic Net optical observations of the region within the LIGO/Virgo S200219ac error-box, triggered during the O3 run...
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...
Revised Parameter Estimates For The Most Metal-Poor Candidates In SDSS-I And SEGUE
There are several hundred thousand R = 2000 stellar spectra reported in the final public release of the Sloan Digital Sky Survey (SDSS-I) and the continuing...