Last publications of the Group of
extragalactic systems investigation

Russian English

Publications in refereed journals

2020:

Tikhonov N., Galazutdinova O., Sholukhova O., Valcheva  A., Nedialkov P., Merkulova O.,
Search for the brightest stars in galaxies outside the Local Group,
accepted by Research in Astronomy and Astrophysics, 2020.

Tikhonov N.A., Galazutdinova O.A.,
Distance to Seyfert galaxy NGC 1672 and its stellar structure,
Astronomy Letters, V. 46, Issue 9, pp. ??, 2020.

Tikhonov N.A., Galazutdinova O.A., 
Distance to the Dorado group of galaxies,
Astrophysical Bulletin, V. 75, Issue 4, pp. ??, 2020.

Kopylova F.G., Kopylov A.I.,
Quenched Galaxies in Clusters of Galaxies and their Outskirts,
Astrophysical Bulletin, V. 75,  Issue 4, pp. 424-432, 2020.

Tikhonov N.A., Galazutdinova O.A.,
Distances to 18 Dwarf Galaxies from the Arecibo Survey,
Astronomy Letters, V. 45, Issue 11, pp. 750-763, 2020.

Tikhonov N.A., Galazutdinova O.A.,
"Semi-Dark" Dwarf Galaxy Coma P on the Periphery of the Virgo Galaxy Cluster,
Astrophysical Bulletin, V. 75, Issue 2, pp.103-109, 2020.

2019:

Tikhonov N.A., Galazutdinova O.A., Karataeva G.M.,
Distance to the huge elliptic galaxy M 87 and the size of her stellar subsystem,
Astrophysical Bulletin, V. 74,  Issue 3, pp. 257-269, 2019.

Tikhonov N.A.,
Distance to Irregular Galaxy Cas 1 Located near the Milky Way.
Astrophysical Bulletin, V. 74, Issue 4, pp. 396-402, 2019.

Kopylova F.G., Kopylov A.I.,

2018:

Kopylova F.G., Kopylov A.I.,
Outskirts of galaxy clusters A1656, A1139, A1314, A2040, A2052, A2107: star formation rate.
Astrophysical Bulletin, V. 73, Issue 3, pp. 267-278, 2018.

Tikhonov N.A., Galazutdinova O.A.,
Does the IC 342/Maffei Galaxy Group Really Exist?
Astrophysical Bulletin, V. 73, Issue 3, pp. 279-292, 2018.

Tikhonov N.A.,
Metallicity of young and old stars of irregular galaxies.
Astrophysical Bulletin,
V. 73, Issue 1, pp. 22-34, 2018.


Tikhonov N.A.,
Sizes of Stellar Subsystems of Disk Galaxies and the Metallicities of Red Giants,
Astronomy Reports, V. 62, Issue 10, pp.637-647, 2018.

2017:

Tikhonov N.A.,
Sizes of the stellar subsystems of galaxies and intracluster stars in the Virgo cluster, 
Astronomy Letters, V. 43, Issue 1, pp. 24-39, 2017. 

Kopylova F.G., Kopylov A.I.,
Evolution of galaxy groups,
Astrophysical Bulletin, V. 72, issue 2, pp. 100-110, 2017.

Kopylova F.G., Kopylov A.I.,
Peculiar Motions of Galaxy Clusters in the Regions of the Corona Borealis, Bootes, Z5029/A1424, A1190, A1750/A1809,
Astrophysical Bulletin, V. 72, Issue 4, pp. 363-375, 2017.

Parijskij Yu.N., Zhelenkova O.P., Kopylov A.I., Temirova A.V., Verkhodanov O.V., Komarova V.N.,
Search and study of objects of the early universe,
Astrophysical Bulletin, V. 72, Issue 2, pp. 93-99, 2017.

2016:

Tikhonov N.A., Galazutdinova O.A.,
Stellar subsystems of the galaxy NGC 1313,
Astronomy Letters, V. 42, Issue 7, pp. 428-444, 2016. 

Kopylova F.G., Kopylov A.I.,
The fundamental plane and other scaling relations for galaxy groups and clusters,
Astrophysical Bulletin, V. 71, Issue 3, pp. 257-269, 2016.
 

2015:

Tikhonov N.A., Lebedev V.S., Galazutdinova O.A.,
M101 group galaxies,
Astronomy Letters, V. 41, Issue 6, pp. 239-251
,  2015.

Kopylov, A.I., Kopylova, F.G.,
Structure of galaxy groups and clusters and measurement of their masses.
Astrophysical Bulletin, V. 70, Issue 3,
pp.243-256, 2015.

Kopylova, F.G., Kopylov, A.I.,
Properties of 34 massive galaxy groups within 0.012 < z < 0.027.
Astrophysical Bulletin, V. 70,
Issue 2, pp. 123-145, 2015.

2014:

Kopylova F.G., Kopylov A.I.,
Peculiar motions of galaxy clusters and groups in the Hercules and Leo supercluster regions,

Astronomy Letters, V.40, Issue 10, pp. 595-605, 2014.

Parijskij, Yu. N., Thomasson, P., Kopylov, A. I., et al.,
Observations of the z = 4.514 radio galaxy RC J0311+0507,
 
MNRAS, V. 439, Issue 3, pp. 2314-2322,
2014.

Tikhonov N.A.,
Stellar content and distances to the isolated spiral galaxies NGC6503 and NGC6946,
Astronomy Letters, V. 40, Issue 9, pp. 537-550
,  2014.


Tikhonov N.A., Galazutdinova O.A., Lebedev V.S.,
Stellar content of the metal-poor galaxy DDO 68,
Astronomy Letters, V. 40, Issue 1, pp. 1-10
,  2014.

Tikhonov N.A.,
Galazutdinova O.A., Lebedev V.S.,

Stellar content of the interacting galaxies  IC 1727 and NGC 672,
Astronomy Letters, V. 40, Issue 1, pp. 11-21
,  2014.

2013:

Kopylova F. G.,

Dwarf-to-giant galaxy ratio in superclusters and in the field at 0.02<z<0.05,
Astrophysical Bulletin, 68, Issue 3, pp. 253-261, 2013.

Kopylova F.G., Kopylov A.I.,
Investigation of properties of galaxy clusters in the Hercules Supercluster region,
Astronomy Letters, 39,
Issue 1, pp. 1-16, 2013.

Tikhonov N.A., Galazutdinova O.A.,
Stellar subsystems of the young tidal dwarf galaxy Ho IX,
Astronomy Letters, V. 39, Issue 2, pp. 104-110
,  2013.

Tikhonov N.A.,
Old stellar subsystems in dwarf galaxies
,
Astronomy Letters, V. 39, Issue 5, pp. 298-305
, 2013.

2012:

Kopylov A. I., Kopylova F. G.,
Clusters with bimodal distribution of galaxy line-of-sight  velocities. III: A1569,
Astrophysical Bulletin, V. 67, pp.17-28, 2012.

Tikhonov N.A., Galazutdinova O.A.,
Stellar subsystems of different ages in spiral and irregular galaxies,
Astronomy Letters,  V. 38,
Issue 3, pp. 147-156, 2012.
 
Tikhonov N.A., Galazutdinova O.A.,
Stellar subsystems of edge-on disk galaxies,
Astronomical & Astrophysical Transactions,  V. 27, Issue 2, pp. 227-232, 2012.
 
Tikhonov N.A.,
Expansion of the stellar subsystems of disk galaxies,
Astronomy Letters,  V. 38, Issue 8, pp. 497-505, 2012.

2011:

Tikhonov N.A., Galazutdinova O.A.,
Stars and clusters of the Coma galaxies 4921 and NGC4923,
Astronomy Letters, V. 37, Issue 11, pp. 766-774, 2011.


Kopylova F.G., Kopylov  A.I.

Analysis of the properties of clusters of galaxies in the region of the Leo Supercluster,
Astronomy Letters,
V. 37, Issue 4, pp. 219-232, 2011.

2010:

Tikhonov N.A., Fabrika S.N., Sholukhova O.N., Kopylov A.I.,
Investigation of the new Local Group galaxy VV 124,
Astronomy Letters, V. 36, Issue 5, pp. 309-318, 2010.

Tikhonov N.A., Galazutdinova O.A.
,
Distance to the galaxy IC 342,
Astronomy Letters, V. 36, Issue 3, pp. 167-174, 2010.

Kopylov A.I., Kopylova F.G.,
Structure of clusters with bimodal distribution of galaxy line-of-sight velocities III: A1831,
Astrophysical Bulletin, V. 65, Issue 3, pp. 205-216, 2010.

Parijskij Yu.N., Kopylov A.I., Temirova A.V., et al.,
Spectroscopy of "Big Trio'' objects using the "Scorpio'' spectrograph of the 6-m telescope of the Special Astrophysical Observatory,
Astronomy Reports, V. 54, Issue 8, pp. 675-695, 2010.

2009:

Tikhonov N.A., Galazutdinova O.A.,
Stellar population of the irregular galaxy IC 10,
Astronomy Letters, V. 35, Issue 11, pp. 748-763, 2009.

Tikhonov N.A., Galazutdinova O.A., Tikhonov E.N.,
Stellar content of the interacting galaxies of the M 51 system,
Astronomy Letters, V. 35, Issue 9, pp. 599-608, 2009.

Kopylova F.G., Kopylov A.I.,
Analysis of the properties of clusters of galaxies in the region of the Ursa Major supercluster, 
Astrophysical Bulletin, V. 64, Issue 1, pp.1-23, 2009.

Kopylov A.I., Kopylova F.G.,
The structure of clusters with bimodal distributions of galaxy radial velocities. II: A1775,
Astrophysical Bulletin, Volume 64, Issue 3, pp. 207-216, 2009.

Zhelenkova O.P., Kopylov A.I.,
Analysis of a sample of RC catalog objects in the region overlapping with the areas covered by FIRST and SDSS surveys. II: Optical identification with the SDSS survey and USNO-B1 and 2MASS catalogs,
Astrophysical Bulletin, V. 64, Issue 2, pp. 109-122, 2009.

2008:

Tikhonov N.A., Galazutdinova O.A.
,
Stellar subsystems of the galaxy NGC 2366,
Astronomy Reports, V. 52, Issue 1, pp. 19-26, 2008.

Kopylov A.I., Tikhonov N.A., Fabrika S.N., Drozdovsky I.O., Valeev A.F.,
 VV124 (UGC4879): a new transitional dwarf galaxy in the periphery of the Local Group, 
MNRAS Lett, V. 387, Issue 1, L45-L49, 2008.

Zhelenkova O.P., Kopylov A.I.,
Analysis of the RC catalog sample in the region overlapping with the regions of the FIRST and SDSS surveys: I. Identification of sources with the VLSS, TXS, NVSS, FIRST, and GB6 catalogs,
Astrophysical Bulletin, V. 63, Issue 4, pp. 346-356, 2008.

Ovcharov V.P., Nedialkov P. Valcheva A.T., Ivanov V.D., Tikhonov N.A., Stanev I.S., Kostov A.B.,
Georgiev Ts.B.,
Optical monitoring of 
the z = 4.40 quasar Q2203+292,  
MNRAS, V. 386,
pp. 819, 2008. 

2007:

Tikhonov N.A.,
Red giants in the blue compact galaxy IZw18,
Astronomy Letters, Volume 33, Issue 3, pp. 137-148, 2007.

Kopylova F.G., Kopylov A.I.,
Peculiar motions in the region of the Ursa Major supercluster of galaxies,
Astronomy Letters, V. 33, Issue 4, pp. 211-221, 2007.

Kopylov A.I., Kopylova F.G.,
The structure of clusters with bimodal distributions of galaxy radial velocities, I. A1035,
Astrophysical Bulletin, V. 62, Issue 4, pp. 311-318, 2007.

Conferences and others  publications.

2007- 2020:

Drozdovsky I., Aparicio A., Gallart C., Monelli M., Hidalgo S. L., Bernard E. J., Tikhonov N., Galazutdinova O.,
The Stellar Structures around Disk Galaxies First Light Science with the GTC (Eds. R. Guzma'n, C. Packham,
J. M. Rodri'guez-Espinosa, & S. Torres-Peimbert) Revista Mexicana de Astronomi'a y Astrofi'sica (Serie de Conferencias),
Vol. 29, pp. 157, 2007 (http://www.astroscu.unam.mx/~rmaa/) (RMxAC Homepage)

Drozdovsky  I., Tikhonov N. ,  Aparicio A.,  Gallart C., Monelli M. , Hidalgo S.,  Bernard E.J., Galazutdinova O.,
The Stellar Structures around Disk Galaxies, IAU Symposium, Stellar populations as building blocks of galaxies,
241, 335, La Palma, Spain, 2007 (http://export.arxiv.org/pdf/astro-ph/0702118)

Tikhonov N.A., Galazutdinova O.A.,
Profiles of thick discs of irregular galaxies,
Proceedings of the All-Russian Astronomical Conference, Kazan, KSU, 17–22 September, 2007, p. 377 (Russian version).

Kopylova F.G., Kopylov A.I.,
Supercluster of galaxies Ursa Major,
Proceedings of the All-Russian Astronomical Conference, Kazan, KSU, 17–22 September, 2007, pp. 395 – 396
(Russian version).

Verkhodanov O.V.Chernenkov V.N., Trushkin S.A., Verkhodanova N.V., Kopylov A.I.,  Kononov V.K.,
SAO RAS information system in radio cosmologie,
Proceedings of the All-Russian Astronomical Conference, Kazan, KSU, 17–22 September, 2007, pp. 438 – 440
(Russian version).

Zhelenkova O.P., Kopylov A.I.,
Spectral characteristics of radio sources from RC catalog sample at the intersection region with SDSS and FIRST surveys,
Proceedings of the All-Russian Astronomical Conference, Kazan, KSU, 17–22 September, 2007, pp. 497 – 499
(Russian version).

Kopylova F.G., Kopylov A.I.,
Analysis of the properties of clusters of galaxies in the region of the Ursa Major supercluster,
CrAO News, v.103, N3, pp. 43-47, 2007,
Proceedings of the Conference dedicated to the 60th anniversary of CrAO, Ukraine, Nauchnij, 11
18 september 2005.

Kopylov A.I.,  Parijskij Yu.N.,   Soboleva N.S., Verkhodanov O.V., Artuh V.S.,
Optical properties of distant radiogalaxies and quasars,
CrAO News, v.103, N3, pp. 29, 2007,
Proceedings of the Conference dedicated to the 60th anniversary of CrAO, Ukraine, Nauchnij, 11
18 september 2005.

Lebedev V.S.,
Civilization: from the cradle to the grave,
SETI Conference Proceedings. Astrophysical Bulletin, v.60/61, p. 128, 2007.

Kopylova F.G., Kopylov A.I.,
Studying the Ursa Major Supercluster of Galaxies.
Problems of Practical Cosmology, Proceedings of the International Conference held at Russian Geographical Society, 23
27 June, 2008 in  St. Petersburg, Edited by Y.V. Baryshev, I.N. Taganov, P. Teerikorpi, Vol.1, TIN, St.-Petersburg, 2008, Vol.1,2, ISBN 978-5-902632, pp.90-94.

Tikhonov A.V., Kopylov A.I., Gottloeber S., Yepes G.,
Clustering of visible matter and model dark matter halos on different  mass and spatial scales,
Problems of Practical Cosmology, Proceedings of the International Conference held at Russian Geographical Society, 23
27 June, 2008 in  St. Petersburg, Edited by Y.V. Baryshev, I.N. Taganov, P. Teerikorpi, Vol. 1. TIN, St.-Petersburg, 2008, Vol.1,2, ISBN 978-5-902632, pp.60-68.

Acharova I.A., Galazutdinova O.A., Lepine J.R.D., Mishurov Yu.N., Tikhonov N.A.,
Bimodal abundance pattern in M 51: evidence for corotation resonance effects
eprint arXiv: 0804.4364.

Tikhonov N.A., Galazutdinova O.A., Kuchaeva E.Yu.,
Expansion of disk galaxies,
Nearby Dwarf Galaxies, N.Arkhyz, 14
18 September, 2009.
(http://www.sao.ru/hq/katya/NDG/sci_program.html).

Tikhonov N.A., Galazutdinova O.A.,
A new Distance to IC 342,
Nearby Dwarf Galaxies, N.Arkhyz, 14
18 September, 2009.
(http://www.sao.ru/hq/katya/NDG/sci_program.html).

Kopylova F.G., Kopylov A.I.,
Red Sequence Dwarf Galaxies in Clusters,
Nearby Dwarf Galaxies, SAO RAS, 14
18 September, 2009.
(http://www.sao.ru/hq/katya/NDG/sci_program.html).

Tikhonov N.A.,
Do the Disc galaxies grow?
Abstracts of All-Russian Astronomical Conference, 1219 September, 2010, Nizhny Arkhyz, p. 118 (Russian version). 

Tikhonov N.A., Galazutdinova O.A.
Stellar population of NGC4921 - spiral galaxy in Coma Berenices cluster, 
Abstracts of All-Russian Astronomical Conference, 12
19 September, 2010, Nizhny Arkhyz, p.134 (Russian version).

Kopylova F.G., Kopylov A.I.,
The study of galaxy clusters in different environments, 
Abstracts of All-Russian Astronomical Conference, 12
19 September, 2010, Nizhny Arkhyz, p.115 (Russian version).

Parijskij Yu.N.ôÏmasson P., Maxlow T.,  Zhelenkova O.P., Kopylov A.I., Soboleva N.S., Temirova A.V., Verkhodanov O.V.,
New EVN data on RCJ0311+0507 - the most powerful radiogalaxy in early Universe,
Abstracts of All-Russian Astronomical Conference, 12
19 September, 2010, Nizhny Arkhyz, p.116 (http://www.sao.ru/Doc-en/SciNews/RC0311/).

Parijskij Yu.N. Kopylov A.I.,  Temirova A.V.Soboleva N.S., Zhelenkova O.P., Verkhodanov O.V.Goss W.M., Fatkhullin T.A.,  Spectroscopy of "Big Trio" objects using the "Scorpio" spectrograph of the 6-m telescope of the Special astrophysical  observatory, 
Abstracts of All-Russian Astronomical Conference, 12
19 September, 2010, Nizhny Arkhyz, p.132 (Russian version).

Lebedev V.S.,
The calibration of Faber-Jeckson relation for E-S0 galaxies from the HYPERLEDA database, 
Abstracts of All-Russian Astronomical Conference, 12
19 September, 2010, Nizhny Arkhyz, p.129 (Russian version).

Lebedev V.S.,
The calibration of Tully-Fisher relation for the objects from the corrected catalogue of flat galaxies, 
Abstracts of All-Russian Astronomical Conference, 12
19 September, 2010, Nizhny Arkhyz, p.129 (Russian version). 

Lebedev V.S.,
The calibration of Tully-Fisher relation for the objects from the catalogue of flat galaxies considered in 2MASS review, 
Abstracts of All-Russian Astronomical Conference, 12
19 September, 2010, Nizhny Arkhyz, p.129 (Russian version).

Lebedev V.S.,
The accuracy of measuring distances to galaxies by different methods, 
Abstracts of All-Russian Astronomical Conference, 12
19 September, 2010, Nizhny Arkhyz, p.129 (Russian version).

Galazutdinova O., Tikhonov N., Drozdovsky I.,
Stellar subsystems  of edge-on disk galaxies,
Dynamics and evolution of disc galaxies, May 31
June 04, 2010, Pushchino, Moscow region, Russia.

Tikhonov N.A., Galazutdinova O.A.,
Stellar Population of the Irregular Galaxy IC 10,  
eprint arXiv:1002.2046.
 
Tikhonov N.A., Galazutdinova O.A.,
Distance to the galaxy IC 342,
eprint  arXiv:1003.0321.    

Tikhonov N.A., Fabrika S.N., Sholukhova O.N., Kopylov A.I.
Investigation of the New Local Group Galaxy VV 124, 
eprint arXiv:1004.4424.

Parijskij Yu.N., Kopylov A.I., Temirova A.V., Soboleva N.S., Zhelenkova O.P., Verkhodanov O.V., Goss W.M., Fatkhullin T.A.,
Spectroscopy of "Big Trio" objects using the "Scorpio" spectrograph of the 6-m telescope of the Special astrophysical  observatory,
eprint  arXiv:1011.1649

Tikhonov N.A., Galazutdinova O.A.,
Stellar sybsystems of  dwarf  disk galaxies,
"Modern stellar astronomy", Sternberg Astronomical Institute Moscow University, 15
16 June, 2011.

Tikhonov N.A., Galazutdinova O.A.,
Stellar sybsystems of medium ages in spiral and irregular galaxies,
"High Energy Astrophysics", Space Research Institute, Moscow, 13
16 December, 2011.

Tikhonov N.A., Galazutdinova O.A., Lebedev V.S.,
Stellar content of the interacting galaxies  IC 1727 and NGC 672
Abstracts of All-Russian Astronomical Conference, 23-27 September, 2013, Sant-Petersberg, p.250 (Russian version).

Tikhonov N.A., Galazutdinova O.A., Lebedev V.S.,
Stellar content of the metal-poor galaxy DDO 68,

Abstracts of All-Russian Astronomical Conference, 23
27 September, 2013, Sant-Petersberg, p.250 (Russian version).

Kopylova F.G., Kopylov A.I.,
Pecular motions of galaxy clusters superclusters,

Abstracts of All-Russian Astronomical Conference, 2327 September, 2013, Sant-Petersberg, p.151 (Russian version).

Kopylova F.G.,
Dwarf-to-giant galaxy ratio in superclusters and in the field at 0.02<z<0.05,
Abstracts of All-Russian Astronomical Conference, 2327 September, 2013, Sant-Petersberg, p.151 (Russian version).

Parijskij Yu.N., Zhelenkova O.P., Thomasson P., Kopylov A.I. et al.,
New observational data on radio sources of Big Trio Program  RC J1740+0502 with z = 3.57,
Abstracts of All-Russian Astronomical Conference, 23
27 September, 2013, Sant-Petersberg, p.207 (Russian version).

Parijskij Yu.N.,  Thomasson P., Kopylov A.I. et al.,
Obsevations of the radio galaxy RC J0311+0507 with a redshift z = 4.514,
Abstracts of All-Russian Astronomical Conference, 23
27 September, 2013, Sant-Petersberg, p.208 (Russian version).

Parijskij Yu.N., Zhelenkova, O.P., Thomasson P., Kopylov A.I., et al.,
The multi-band study of the environment of the RC J0311+0507 radio galaxy: a step forward to understand massive stellar system formation at Z > 4, EAS Publications Series, V. 61, 2013, pp.439-442.

Kopylov A., Kopylova F.,
Structure of galaxy groups and clusters and measurement of their masses (poster).
Proceedings of the International Conference "Radiation mechanisms of astrophysical objects: classics today", 2015, Saint Petersburg, p.56.

Kopylov A., Kopylova F.,
The fundamental plane of clusters and groups of galaxies (poster).
Proceedings of the International Conference "Radiation mechanisms of astrophysical objects: classics today", 2015, Saint Petersburg, p.57.

Tikhonov N.A.,
Metallicity of Stars and Parameters of Host Galaxies,
Astronomical Society of the Pacific Conference Series, V. 510, p. 488, 2017. 
Kopylova F.G., Kopylov A.I.,
Peculiar Motions of Galaxy Clusters in the Regions of Superclusters of galaxies,
eprint arXiv:1711.08178, 2017.

Tikhonov N.A.,
All-Russian Astronomical Conference, 17
22 September, 2017, Yalta.
Metallicity of young and old stars of irregular galaxies (oral report).
 

Tikhonov N.A., Galazutdinova O.A.,
All-Russian Astronomical Conference, 17
22 September, 2017, Yalta.
The Riddle of the Galaxy (poster).

Tikhonov N.A., Galazutdinova O.A.,
Is the giant elliptical galaxy M87 the center of a galaxy cluster?
(poster)
High Energy Astrophysics, Space Research Institute, 18
21 December, 2018, Moscow.

Tikhonov N.A.,
Search for the brightest stars in galaxies outside the Local Group
(oral report),
«Modern stellar astronomy» 7
11 October, 2019, Nizhny Arkhyz. (available only Russian version)

Tikhonov N.A., Galazutdinova O.A., Karataeva G.M.,
Semi-dark dwarf galaxy Coma P on the periphery of the Virgo cluster
(poster),
«Diversity of the Local Universe», SAO RAS, Russia, 30 September 
4 October 2019, Nizhnij Arkhyz.

Tikhonov N.A.,
The distance to the irregular galaxy Cassiopeia 1
(poster),
«Diversity of the Local Universe»,  SAO RAS, Russia, 30 September 
4 October 2019, Nizhnij Arkhyz.

Fabrika S., Sholukhova O., Sarkisyan A.,Vinokurov A., Solovyeva Yu., Tikhonov N.,
Spectroscopic confirmation and photometry of the recent nova M31 2020-11d (PNV J00393008+4031002) and
AT 2020zcs (= XM44MZ),
The Astronomer's Telegram, No. 14198.

Tikhonov N.A., Galazutdinova O.A., Sholukhova O.N., Valcheva A., Nedialkov P.L., Merkulova O.A.,
Search for the brightest stars in galaxies outside the Local Group,
eprint arXiv:2011.03324, 2020.

Tikhonov N A., Galazutdinova O.A.
Distances to 18 Dwarf Galaxies from the Arecibo Survey,
eprint arXiv:2010.00479, 2020.

Tikhonov N.A., Galazutdinova O.A.
Distance to the Dorado galaxy group,
eprint arXiv:2009.04090, 2020.

Tikhonov N.A., Galazutdinova, O.A., Karataeva G.M.,
The distance to the giant elliptical galaxy M87 and the size of its stellar subsystem,
eprint arXiv:2008.10213, 2020.

Tikhonov N.A., Nedyalkov P.,
AGB stars as an indicator of long-past bursts of star formation in galaxies
All-Russian Conference 
«Ground-Based Astronomy in Russia. 21st Century»,

September, 2020, Nizhniy Arkhyz (oral report).


Tikhonov N.A., Nedyalkov P.,
AGB stars as an indicator of long-past bursts of star formation in galaxies

Proceedings of the All-Russian Conference «Ground-Based Astronomy in Russia. 21st Century», 

eds. I.I. Romanyuk, I.A. Yakunin, A.F. Valeev, D.O. Kudryavtsev, Nizhny Arkhyz, Russia,  

September 21–25, 2020.


Nedialkov P., Tikhonov N., Galazutdinova O., Valcheva A.,
Photometric search for high luminosity stars in the Local Volume with medium-size telescopes, 

All-Russian Conference «Ground-Based Astronomy in Russia. 21st Century»,

September, 2020, Nizhniy Arkhyz (oral report).


Nedialkov P., Tikhonov N., Galazutdinova O., Valcheva A.,

Photometric search for high luminosity stars in the Local Volume with medium-size telescopes,

Proceedings of the All-Russian Conference «Ground-Based Astronomy in Russia. 21st Century», 

eds. I.I. Romanyuk, I.A. Yakunin, A.F. Valeev, D.O. Kudryavtsev, Nizhny Arkhyz, Russia, 

September 21–25, 2020.