Astronomy and Astrophysics Research Development Dept


Astronomy and astrophysics (A&A) research and development division has been established in 2014 under the Entoto Observatory and Research Centre (EORC), and in 2016 became a part of the Ethiopian Space Science and Technology Institute (ESSTI). This division is still young and in constant development. If you would like to help voluntarily with research, instrumentation development, training of young staff members and/or our students, Entoto Observatory (EO) development, and/or outreach, please contact us.


Major Activity

            – Research

            – Instrumentation development

            – Entoto Observatory

            – Post-graduate programme in A&A

            – Outreach

Project on Progress

Field :  Extragalactic astronomy (PI. Dr. Mirjana Pović)

   Title: Physics of Low Ionisation Nuclear Emission-line Regions (LINERs)

   Principal Investigator:  Mirjana Pović under the IAA-CSIC (Spain) 'Nuclear activity in galaxies' group, Daudi Mazengo (MSc student, UoD, Tanzania), Jiwaji Noorali (Open Univ., Tanzania), and Jefta Mvukaye Sunzu (UoD, Tanzania)
   Title: Morphological properties of active galaxies in deep surveys

   Principal Investigator:  Tilahun Getachew (PhD student), Mirjana Pović, Josefa Masegosa (IAA-CSIC, Spain), Jaime Perea (IAA-CSIC), Isabel Márquez-Pérez (IAA-CSIC)
   Title: Properties of galaxies with the highest growth rate

   Principal Investigator:  Dejene Zewdie (MSc student), and Mirjana Pović
   Title: Testing alternative method of measuring the accretion rate in galaxies

   Principal Investigator:  Asrate Gaulle (MSc student), and Mirjana Pović
   Title: Properties of galaxies in galaxy clusters up to z ~ 1.0

   Principal Investigator:  Zeleke Amado Beyoro (PhD student), Mirjana Pović, Miguel Sánchez-Portal (IRAM, Spain), Solomon Belay Tessema, and the GLACE team
   Title : Study of green valley galaxies

   Principal Investigator:  Antoine Mahoro (PhD student, SAAO, SA), Beatrice Nyiransengiyumva (PhD candidate, UoR, Rwanda), Mirjana Pović, Pheneas Nkundabakura (UoR, Rwanda), Petri Vaisanen (SAAO), Moses Mogotsi (SAAO), Solohery Randriamamoandry (SAAO), Josefa Masegosa (IAA-CSIC), Isabel Márquez-Pérez (IAA-CSIC), and Sara Caziolli (IAA-CSIC)
   Title: High resolution spectroscopy of nearby active galaxies using EO

   Principal Investigator:  ESSTI staff members

Field : Cultural Astronomy(PI. Dr. Solomon Belay Tessema)

   Title: Ethiopian cultural astronomy

   Principal Investigator:  Solomon Belay Tessema,  Mekbib Tamerat
   Title: Cultural astronomy in Eastern Africa

Instrumentation Development

   Title: The assembly of small refractors

   Principal Investigator:  Mekbib Tamerat (PI), Biruk Abrham, Fraol Linjsa, and Eyoas Ergetu
   Title: Planet8 weight scale design

   Principal Investigator:  Eyoas Ergetu (PI), Sebhat Tadesse, Mekbib Tamerat, Biruk Abrham, Daniel Fekadu, Alazar Seyum, and Fraol Linjsa
   Title: Construction and automation of small type Dobsonian telescope

   Principal Investigator:  Eyoas Ergetu (PI), Sebhat Tadesse, Mekbib Tamerat, Biruk Abrham, Daniel Fekadu, Alazar Seyum, Jerusalem Tamerat, and Fraol Linjsa
   Title: EO telescope mirror thermal modeling

   Principal Investigator:  Eyoas Ergetu (PI)
   Title: Virtual EO telescope simulation

   Principal Investigator:  Sebehat Tadesse (PI)
   Title: The provision of an alternative source of energy for EO rooms

   Principal Investigator:  Alazar Seyum (PI), Biruk Abrham, and  Mekbib Tamirat
   Title: Construction of a 3-D printer

   Principal Investigator:  Fraol Linjasa (PI), Biruk Abrham, and  Daniel Fekadu

EO Development 

   Title: EO characterisation

   Principal Investigator:  Leonid Berdnikov (PI), Mirjana Pović, Solomon Belay Tessema, Eyoas Ergetu (PI), Sebhat Tadesse, Mekbib Tamerat, Biruk Abrham, Daniel Fekadu, Alazar Seyum, Jerusalem Tamerat, and Fraol Linjsa
   Title: Software development at the EO

   Principal Investigator:  Leonid Berdnikov (PI), Mirjana Pović, Solomon Belay Tessema, Sebhat Tadesse,


Publication YearTitle and AuthorAccess
2017Evolutionary computations of nonconservative mass transfer
in Algols

S. H. Negu* S. B. Tessema

Full Version
2018Introduction to Ethiopian Calendars
Getinet Feleke, Tolu Biressa, Mekbeb Tamrat, Dugasa Belay, Etsegenet Getachew, Eyoas Ergetu, Sebhat Tadesse, Mirjana Pović, Solomon Belay Tessema, Jerusalem Tamirat, Leonid Berdnikov, and Biruk Abrham; under the book ‘Kaleidoscope of experiences in cultural astronomy’, IBAN: 978-84-15771-71-5
Full Version
2018Optical spectroscopy of local type-1 AGN LINERs
Cazzoli, S.; Márquez, I.; Masegosa, J.; del Olmo, A.; Pović, M.; González-Martín, O.; Balmaverde, B.; Hernández-García, L.; García-Burillo, S., MNRAS, 840, 1106
Full Version
2018Variable broad lines and outflow in the weak blazar PBC J2333.9-2343
Hernández-García, L., Vietri, G., Panessa, F., Piconcelli, E., Chavushyan, V., Jiménez-Andrade, E. F., Bassani, L., Bazzano, A., Cazzoli, S., Malizia, A., Masetti, N., Monaco, L., Pović, M., Saviane, I., and Ubertini, P., MNRAS, 478, 463
Full Version
2018Development in astronomy and space science in Africa
Pović, M., Backes, M., Baki, P., Baratoux, D., Tessema, S. B., Benkhaldoun, Z., Bode, M., Klutse, N. A. B., Charles, P., Govender, K., and 13 coauthors (including Mamo, A., Yilma, A., and Walwa, T.), Nature Astronomy, 2, 507
Full Version
2018High redshift galaxies in the ALHAMBRA survey. II. Strengthening the evidence of bright-end excess in UV luminosity functions at 2.5 ≤ z≤ 4.5 by PDF analysis
Viironen, K.; López-Sanjuan, C.; Hernández-Monteagudo, C.; Chaves-Montero, J.; Ascaso, B.; Bonoli, S.; Cristóbal-Hornillos, D.; Díaz-García, L. A.; Fernández-Soto, A.; Márquez, I.; Masegosa, J.; Pović, M.; Varela, J.; and 20 coauthors, A&A, 614, 129
Full Version
2018Starburst to Quiescent from HST/ALMA: Stars and Dust Unveil Minor Mergers in Submillimeter Galaxies at z ~ 4.5
Gómez-Guijarro, C.; Toft, S.; Karim, A.; Magnelli, B.; Magdis, G. E.; Jiménez-Andrade, E. F.; Capak, P. L.; Fraternali, F.; Fujimoto, S.; Riechers, D. A.; and 25 coauthors (including Pović, M.), ApJ, 856, 121
Full Version
2018The ALHAMBRA survey: 2D analysis of the stellar populations in massive early-type galaxies at z < 0.3
San Roman, I.; Cenarro, A. J.; Díaz-García, L. A.; López-Sanjuan, C.; Varela, J.; González Delgado, R. M.; Sánchez-Blázquez, P.; Alfaro, E. J.; Ascaso, B.; Bonoli, S.; and 22 coauthors (including Pović, M.), A&A, 609, 20
Full Version
2018The Structure of a Quasi-Keplerian Accretion Disk around Magnetized Stars
Habumugisha, Isaac; Jurua, Edward; Tessema, Solomon B.; Simon, Anguma K.; ApJ, 859, 147
Full Version
2018Star formation history: Modeling of visual binaries
Gebrehiwot, Y. M.; Tessema, S. B.; Malkov, O. Yu.; Kovaleva, D. A.; Sytov, A. Yu.; Tutukov, A. V.; New Astronomy, 61, 24
Full Version
2018Optical spectroscopy of the blue supergiant Sk-69° 279 and its circumstellar shell with SALT
Gvaramadze, V. V.; Kniazev, A. Y.; Maryeva, O. V.; Berdnikov, L. N.; MNRAS, 474, 1412
Full Version
2018A study of perturbations in scalar-tensor theory using 1 + 3 covariant approach
Ntahompagaze, Joseph; Abebe, Amare; Mbonye, Manasse; IJMPD, 2750033
Full Version
2018Reconstructing f(R) gravity from a Chaplygin scalar field in de Sitter spacetimes
Sami, Heba; Namane, Neo; Ntahompagaze, Joseph; Elmardi, Maye; Abebe, Amare
Full Version
2017ELDAR, a new method to identify AGN in multi-filter surveys: the ALHAMBRA test case
Chaves-Montero, Jonás; Bonoli, Silvia; Salvato, Mara; Greisel, Natascha; Díaz-García, Luis A.; López-Sanjuan, Carlos; Viironen, Kerttu; Fernández-Soto, Alberto; Pović, Mirjana; Ascaso, Begoña; and 11 coauthors, MNRAS, 472, 2085
Full Version
2017Star formation of far-IR AGN and non-AGN galaxies in the green valley: possible implication of AGN positive feedback
Mahoro, Antoine; Pović, Mirjana; Nkundabakura, Pheneas; MNRAS, 471, 3226
Full Version
2017The AGN nature of LINER nuclear sources
Márquez, Isabel; Masegosa, Josefa; González-Martin, Omaira; Hernández-Garcia, Lorena; Pović, Mirjana; Netzer, Hagai; Cazzoli, Sara; del Olmo, Ascensión, FrASS, 4, 34
Full Version
2017Restarting activity in the nucleus of PBC J2333.9-2343. An extreme case of jet realignment
Hernández-García, L.; Panessa, F.; Giroletti, M.; Ghisellini, G.; Bassani, L.; Masetti, N.; Pović, M.; Bazzano, A.; Ubertini, P.; Malizia, A.; Chavushyan, V.; A&A, 603, 131
Full Version
2017The ALHAMBRA survey: B-band luminosity function of quiescent and star-forming galaxies at 0.2 ≤ z < 1 by PDF analysis
López-Sanjuan, C.; Tempel, E.; Benítez, N.; Molino, A.; Viironen, K.; Díaz-García, L. A.; Fernández-Soto, A.; Santos, W. A.; Varela, J.; Cenarro, A. J.; and 27 coauthors (including Pović, M.); A&A, 599, 62
Full Version
2017Evolutionary orbital period change in BH Virginis
Gebrehiwot, Y. M.; Tessema, S. B.; Berdnikov, L. N.; Ap&SS, 362, 77
Full Version
2017On f(R) gravity in scalar-tensor theories
Joseph Ntahompagaze, Amare Abebe, and Manasse Mbonye; IJGMM, 1450107
Full Version
2017Inflationary f (R) Cosmologies
Sami, Heba; Ntahompagaze, Joseph; Abebe, Amare; Univ, 3, 73
Full Version
2017O-C diagrams for 33 RR Lyrae-type stars
Dagne, T. M.; Berdnikov, L. N.; Kniazev, A. Y.; Dambis, A. K.; IBVS, 6228, 1
Full Version
2017The OmegaWhite Survey for short-period variable stars – IV. Discovery of the warm DQ white dwarf OW J175358.85-310728.9
Macfarlane, S. A.; Woudt, P. A.; Dufour, P.; Ramsay, G.; Groot, P. J.; Toma, R.; Warner, B.; Paterson, K.; Kupfer, T.; van Roestel, J.; and 3 coauthors (including Berdnikov, L. N.); MNRAS, 470, 732
Full Version
2017RR Lyrae star distance scale and kinematics from inner bulge to 50 kpc
Dambis, Andrei; Berdnikov, Leonid; Grebel, Eva; Kniazev, Alexey; Katkov, Igor; Dagne, Tesfaye; EPJWC, 15202007
Full Version
2017Short time scale period variations of the RRc star V468 Hya
Berdnikov, L. N.; Dagne, T.; Kniazev, A. Y.; Dambis, A. K.; IBVS, 6212, 1
Full Version
2017Variability of the period of the star du Monocerotis, an RR Lyrae variable with the Blazhko effect
Berdnikov, L. N.; Kniazev, A. Yu.; Dambis, A. K.; Kravtsov, V. V.; Pastukhova, E. N.; AstL, 43, 489
Full Version
2017On the jet of a young star RWAurA and related problems
Berdnikov, L. N.; Burlak, M. A.; Vozyakova, O. V.; Dodin, A. V.; Lamzin, S. A.; Tatarnikov, A. M.; AstBu, 72, 277
Full Version
2017ASAS 160125-5150.3—the second galactic classical Cepheid with strong Blazhko effect
Berdnikov, L. N.; Kniazev, A. Y.; Kravtsov, V. V.; Dambis, A. K.; Ap&SS, 362, 105
Full Version
2017Investigation of open clusters based on IPHAS and APASS survey data
Dambis, A. K.; Glushkova, E. V.; Berdnikov, L. N.; Joshi, Y. C.; Pandey, A. K.; MNRAS, 465, 1505
Full Version
2016Study of the period changes in SW Dor, an RR Lyrae type star with Blazhko effect
Berdnikov, L. N.; Kniazev, A. Y.; Dambis, A. K.; Kravtsov, V. V.; Sefako, R.; Ap&SS, 361, 320
Full Version
2016MN48: a new Galactic bona fide luminous blue variable revealed by Spitzer and SALT
Kniazev, A. Y.; Gvaramadze, V. V.; Berdnikov, L. N.; MNRAS, 459, 3068
Full Version
2016On utmost multiplicity of hierarchical stellar systems
Gebrehiwot, Y. M.; Kovaleva, D. A.; Kniazev, A. Yu.; Malkov, O. Yu.; Skvortsov, N. A.; Karchevsky, A. V.; Tessema, S. B.; Zhukov, A. O.; BaltA, 25, 393
Full Version
2015Study of Principal Catalogues of Visual Double Stars
Gebrehiwot, Yikdem Mengesha; Tessema, Solomon Belay; Malkov, Oleg; IJAA, 5, 267
Full Version
2015Mass Transfer in Binary Stellar Evolution and Its Stability
Negu, Seblu Humne; Tessema, Solomon Belay; IJAA, 5, 222
Full Version
2015Binary star database: binaries discovered in non-optical bands
Malkov, Oleg Yu.; Tessema, Solomon B.; Kniazev, Alexei Yu.; BaltA, 24, 395
Full Version
2015Discovery of a new bona fide luminous blue variable in Norma
Gvaramadze, V. V.; Kniazev, A. Y.; Berdnikov, L. N.; MNRAS, 454, 3710
Full Version
2015The blue supergiant MN18 and its bipolar circumstellar nebula
Gvaramadze, V. V.; Kniazev, A. Y.; Bestenlehner, J. M.; Bodensteiner, J.; Langer, N.; Greiner, J.; Grebel, E. K.; Berdnikov, L. N.; Beletsky, Y.; MNRAS, 454, 219
Full Version
2015Spectroscopic studies of four southern-hemisphere G-K supergiants: HD 192876 (α1 Cap), HD 194215 (HR 7801), HD 206834 (c Cap), and HD 222574 (104 Aqr)
Usenko, I. A.; Kniazev, A. Yu.; Berdnikov, L. N.; Kravtsov, V. V.; AstL, 41, 660
Full Version
2015Mid-Infrared Period-Metallicity Relations and Kinematics of RR Lyrae Variables
Dambis, Andrei K.; Berdnikov, L. N.; Kniazev, A. Yu.; Kravtsov, V. V.; Rastorguev, A. S.; Sefako, R.; Vozyakova, O. V.; Zabolotskikh, M. V., PKAS, 30, 183
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2015Classical Cepheids and the spiral structure of the milky way
Dambis, A. K.; Berdnikov, L. N.; Efremov, Yu. N.; Kniazev, A. Yu.; Rastorguev, A. S.; Glushkova, E. V.; Kravtsov, V. V.; Turner, D. G.; Majaess, D. J.; Sefako, R.; AstL, 41, 489
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2015Binary Properties from Cepheid Radial Velocities (CRaV)
Evans, Nancy Remage; Berdnikov, Leonid; Lauer, Jennifer; Morgan, Douglas; Nichols, Joy; Günther, H. Moritz; Gorynya, Natalya; Rastorguev, Alexey; Moskalik, Pawel; AJ, 150, 13

Full Version
2015WS1: one more new Galactic bona fide luminous blue variable★
Kniazev, A. Y.; Gvaramadze, V. V.; Berdnikov, L. N.; MNRAS, 449, 60
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2015CCD BV I c observations of classical Cepheids in 2013-2014
Berdnikov, L. N.; Kniazev, A. Yu.; Sefako, R.; Dambis, A. K.; Kravtsov, V. V.; Zhuiko, S. V.; AstL, 41, 23
Full Version
2015Classical Cepheids in the Galactic outer ring R_1R_2
Mel’nik, A. M.; Rautiainen, P.; Berdnikov, L. N.; Dambis, A. K.; Rastorguev, A. S.; AN, 336, 70
Full Version
2015Distribution and kinematics of classical cepheids in the Galactic outer ring
Mel’nik, A. M.; Rautiainen, P.; Berdnikov, L. N.; Dambis, A. K.; Rastorguev, A. S.; BaltA, 24, 62
Full Version
2014Stability of Accretion Discs around Magnetized Stars
Tessema, Solomon Belay; IJAA, 4, 319
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Staff Profile

NameTitlePositionContact Address
Solomon Belay Associate professorGeneral DirectorEmail:
Mirjana Pović Assistant professorDepartment HeadEmail:
Etsegenet GetachewYoung
Dugasa Belay MScMScEmail:
Jerusalem TamiratBScBScEmail:
Mekbib TameratBScBScEmail:
Eyoas ErgetuBScBScEmail:
Sebhat TadesseBScBScEmail:
Fraol LenjisaBScBScEmail:
Alazar SeyoumBScBScEmail:
Daniel Fekadu BScBScEmail:
Biruk AbrhamBScBScEmail: