71 citations · 295 across the 20 of their papers we have counts for
21 papers
Earliest simultaneous multi-color optical observations of GRB 230328B: from 41 seconds to the host-galaxy identification
T. Komesh, A. Pozanenko, N. Pankov +36
We present a multiwavelength study of the long-duration gamma-ray burst GRB 230328B, combining prompt gamma-ray observations with exceptionally early simultaneous optical photometr…
Sky background accounting in spectral infrared observations of extended objects at the Caucasus Mountain Observatory of the SAI MSU
A. S. Gusev, A. M. Tatarnikov, S. G. Zheltoukhov +1
The Caucasus Mountain Observatory of the Sternberg Astronomical Institute of Moscow State University is the only one in Russia and one of the few in the world where is possible to…
Anomaly detection in Fink. I. Discovery, follow-up, and classification of unusual sources
M. V. Pruzhinskaya, M. V. Kornilov, A. V. Dodin +19
Modern wide-field time-domain surveys produce alert streams whose scientific potential is often concentrated in rare and unusual events. Efficient discovery therefore requires auto…
The eruptive young star IRAS 21204+4913
M. A. Burlak, A. V. Dodin, A. V. Zharova +7
The results of photometric, polarimetric, and spectroscopic observations are presented for the young star IRAS 21204+4913, whose visible brightness has increased by $\approx 5^{\rm…
Lost and Found - A gallery of overlooked optical nuclear transients from the ZTF archive
E. Quintin, E. Russeil, M. Llamas Lanza +12
Tidal disruption events (TDEs) correspond to the destruction of a star by the tidal forces around a black hole, leading to outbursts which can last from months to years. These tran…
Validation of up to seven TESS planet candidates through multi-colour transit photometry using MuSCAT2 data
A. Peláez-Torres, E. Esparza-Borges, E. Pallé +62
The TESS mission searches for transiting exoplanets by monitoring the brightness of hundreds of thousands of stars across the entire sky. M-type planet hosts are ideal targets for…
Spectral energy distribution of late stage stars
A. M. Tatarnikov, S. G. Zheltoukhov, E. D. Malik
This paper presents a catalog of the energy distribution in the spectra of 263 stars in the wavelength range from 0.4 to 100 μm, which are at late stages of evolution and have been…
New infrared camera of the Caucasian Mountain Observatory of the SAI MSU: design, main parameters, and first light
S. G. Zheltoukhov, A. M. Tatarnikov, A. A. Belyakova +1
This paper presents a prototype of an infrared photometer, created at SAI of MSU based on the commercial infrared module Gavin-615A. The operating spectral range of the photometer…
Post-AGB candidate IRAS 02143+5852: Cepheid-like variability, three-layer circumstellar dust envelope and spectral features
N. P. Ikonnikova, M. A. Burlak, A. V. Dodin +8
We present the results of multicolour photometry, spectroscopic analysis and spectral energy distribution (SED) modelling for the post-AGB candidat…
On the Effectiveness of Observations in the Mid-Infrared Wavelength Range on the 2.5-Meter Telescope of the Caucasus Mountain Observatory of Moscow State University with Commercial IR Cameras
S. G. Zheltoukhov, A. M. Tatarnikov
The main factors that influence the success of observations in the infrared range (central wavelengths of the photometric bands at 3.75 and 4.8~m) on the multipurpose optical te…
ZZ Tau IRS: a low mass UX Ori type star with strong wind
M. A. Burlak, A. V. Dodin, A. V. Zharova +7
The results of photometric, polarimetric and spectroscopic observations of the young star ZZ Tau IRS in the visible and near-infrared bands are presented. Against the continuum of…
Recurrent Symbiotic Nova T Coronae Borealis Before Outburst
N. A. Maslennikova, A. M. Tatarnikov, A. A. Tatarnikova +5
The results of photometric and spectral observations of T CrB obtained in a wide range of wavelengths in 2011-2023 are presented. We use the near-IR light curves to determine a new…
Gas Kinematics in the Magellanic-Type Galaxy NGC 7292
A. S. Gusev, A. V. Moiseev, S. G. Zheltoukhov
The paper presents results of studying the kinematics of the ionized gas in the galaxy of the Large Magellanic Cloud type NGC 7292 obtained with the 2.5-m telescope of the Caucasia…
The Post-AGB Star IRAS 07253-2001: Pulsations, Long-Term Brightness Variability and Spectral Peculiarities
N. P. Ikonnikova, M. A. Burlak, A. V. Dodin +5
The observations and comprehensive study of intermediate initial mass stars at the late stages of evolution, and after the asymptotic giant branch (AGB) in particular, are of cruci…
SRGe2149+6736 -- the new candidate to AM~Her type variables discovered by eROSITA telescope on "Spectrum--Roentgen--Gamma" orbital observatory
I. F. Bikmaev, A. I. Kolbin, V. V. Shimansky +18
We present the results of the optical identification, classification, as well as analysis of photometric and spectral observations of the X-ray transient SRGe2149+6736 detected by…
Observations of the luminous red nova AT 2021biy in the nearby galaxy NGC 4631
Y. -Z. Cai, A. Pastorello, M. Fraser +73
We present an observational study of the luminous red nova (LRN) AT\,2021biy in the nearby galaxy NGC\,4631. The field of the object was routinely imaged during the pre-eruptive st…
Anomaly detection in the Zwicky Transient Facility DR3
K. L. Malanchev, M. V. Pruzhinskaya, V. S. Korolev +11
We present results from applying the SNAD anomaly detection pipeline to the third public data release of the Zwicky Transient Facility (ZTF DR3). The pipeline is composed of 3 stag…
Transient Double-beam Spectrograph for the 2.5-m Telescope of the Caucasus Mountain Observatory of SAI MSU
S. A. Potanin, A. A. Belinski, A. V. Dodin +9
The Transient Double-beam Spectrograph (TDS) is designed for optical low-resolution observations of non-stationary and extragalactic sources with the 2.5-m telescope of Caucasus Mo…
Caucasian mountain observatory of Sternberg astronomical institute: six years of operation
Nicolai Shatsky, Alexander Belinski, Alexander Dodin +7
The new SAI MSU observatory 2.5-meter telescope and capabilities of its current instrumentation are described. The facility operates actively since 2014 in parallel to the engineer…
Discovery of a hot ultramassive rapidly rotating DBA White Dwarf
M. S. Pshirkov, A. V. Dodin, A. A. Belinski +6
We report the discovery of a nearby massive white dwarf with He-H atmosphere. The white dwarf is located at a distance of pc. Its radius, mass, effective temperature,…
A flare in the optical spotted in the changing-look Seyfert NGC 3516
D. Ilic, V. Oknyansky, L. C. Popovic +14
We present observations from the short-term intensive optical campaign (from Sep2019 to Jan2020) of the changing-look Seyfert NGC 3516. This active galactic nucleus is known to hav…