Astrophysics

Dr. Vahram Chavushyan

Representative of the Astrophysics department at the Academic Council Staff

Office: 2309

E-mail: vahram@inaoep.mx

 

Education

• Ph.D. (Physics & Mathematics, Specialisation - Astronomy & Radioastronomy) Special Astrophysical Observatory, Russian Academy of Sciences, Russia, 1995

• M.Sc. (Physics, Specialisation - Astrophysics) Yerevan State University, Department of Astrophysics, Armenia, 1986

• B.Sc. (Physics) Yerevan State University, Faculty of Physics, Armenia, 1984 

 

Research Interests

• Wide-Field surveys (AGNs, Galaxies, CV, White dwarfs and hot subdworfs)

• Active Galactic Nuclei and Quasars  (Central Engine and Environment)

• Compact Groups of Galaxies

• Observational Astronomy

 

Recent Publications

Peña-Herazo, H. A., Marchesini, E. J., Álvarez Crespo, N., Ricci, F., Massaro, F., Chavushyan, V., Landoni, M., Strader, J., Chomiuk, L., Cheung, C. C., Masetti, N., Jiménez-Bailón, E., D'Abrusco, R., Paggi, A., Milisavljevic, D., La Franca, F., Smith, H. A., Tosti, G., "Optical spectroscopic observations of gamma-ray blazar candidates. VII. Follow-up campaign in the southern hemisphere", Ap&SS 362, #228, 12/2017

Díaz, M. C., Macri, L. M., Garcia Lambas, D., Mendes de Oliveira, C., Nilo Castellón, J. L., Ribeiro, T., Sánchez, B., Schoenell, W., Abramo, L. R., Akras, S., Alcaniz, J. S., Artola, R., Beroiz, M., Bonoli, S., Cabral, J., Camuccio, R., Castillo, M., Chavushyan, V., Coelho, P., Colazo, C., Costa-Duarte, M. V., Cuevas Larenas, H., DePoy, D. L., Domínguez Romero, M., Dultzin, D., Fernández, D., García, J., Girardini, C., Gonçalves, D. R., Gonçalves, T. S., Gurovich, S., Jiménez-Teja, Y., Kanaan, A., Lares, M., Lopes de Oliveira, R., López-Cruz, O., Marshall, J. L., Melia, R., Molino, A., Padilla, N., Peñuela, T., Placco, V. M., Quiñones, C., Ramírez Rivera, A., Renzi, V., Riguccini, L., Ríos-López, E., Rodriguez, H., Sampedro, L., Schneiter, M., Sodré, L., Starck, M., Torres-Flores, S., Tornatore, M., Zadro?ny, A., "Observations of the First Electromagnetic Counterpart to a Gravitational-wave Source by the TOROS Collaboration", ApJ 848, L29, 10/2017

Abbott, B.P., et al., (Chavushyan, V.) and 3672 coauthors, "Multi-messenger Observations of a Binary Neutron Star Merger", ApJ 848, L12, 10/2017

Jiménez-Andrade, E. F., Chavushyan, V., León-Tavares, J., Patiño-Álvarez, V. M., Olguín-Iglesias, A., Kotilainen, J., Falomo, R., Hyvönen, T., "Detection of helicoidal motion in the optical jet of PKS 0521-365", MNRAS 470, L107-L111, 9/2017

Hernández-García, L., Panessa, F., Giroletti, M., Ghisellini, G., Bassani, L., Masetti, N., Povi?, M., Bazzano, A., Ubertini, P., Malizia, A., Chavushyan, V., "Restarting activity in the nucleus of PBC J2333.9-2343. An extreme case of jet realignment", A&A 603, A131, 7/2017

Rojas, A. F., Masetti, N., Minniti, D., Jiménez-Bailón, E., Chavushyan,  V., Hau, G., McBride, V. A., Bassani, L., Bazzano, A., Bird, A. J., Galaz,  G., Gavignaud, I., Landi, R., Malizia, A., Morelli, L., Palazzi, E.,  Patiño-Álvarez, V., Stephen, J. B., Ubertini, P., "The nature of 50  Palermo Swift-BAT hard X-ray objects through optical spectroscopy", A&A 602, A124-, 6/2017 

Olguín-Iglesias, A., Kotilainen, J. K., León Tavares, J., Chavushyan, V.,  Añorve, C., "Evidence of bar-driven secular evolution in the gamma-ray narrow-line Seyfert 1 galaxy FBQS J164442.5+261913", MNRAS 467, 3712-3722, 5/2017 

Shapovalova, A. I., Popovi?, L. ?., Chavushyan, V. H., Afanasiev, V. L., Ili?, D., Kova?evi?, A., Burenkov, A. N., Kollatschny, W., Spiridonova, O., Valdes, J. R., Bochkarev, N. G., Patino-Alvarez, V., Carrasco, L., Zhdanova, V. E., "Long-term optical spectral monitoring of NGC 7469", MNRAS 466, 4759-4775, 4/2017 

Namekata, K., Isogai, K., Kato, T., Littlefield, C., Matsumoto, K., Kojiguchi, N., Sugiura, Y., Uto, Y., Fukushima, D., Tatsumi, T., Yamada, E., Kamibetsunawa, T., de Miguel, E., Stein, W. L., Sabo, R., Andreev, M. V., Morelle, E., Pavlenko, E. P., Babina, J. V., Baklanov, A. V., Antonyuk, K. A., Antonyuk, O. I., Sosnovskij, A. A., Shugarov, S. Y., Golysheva, P. Y., Gladilina, N. G., Miller, I., Neustroev, V. V., Chavushyan, V., Valdés, J. R., Sjoberg, G., Maeda, Y., Itoh, H., Masi, G., Michel, R., Dubovsky, P. A., Kiyota, S., Tordai, T., Oksanen, A., Ruiz, J., Nogami, D., "Superoutburst of WZ Sge type dwarf nova below the period minimum: ASASSN-15po", PASJ 69, 2-, 2/2017

Álvarez Crespo, N., Masetti, N., Ricci, F., Landoni, M., Patiño-Álvarez, V., Massaro, F., D'Abrusco, R., Paggi, A., Chavushyan, V., Jiménez-Bailón, E., Torrealba, J., Latronico, L., La Franca, F., Smith, H. A., Tosti, G., "Optical Spectroscopic Observations of Gamma-ray Blazar Candidates. V. TNG, KPNO, and OAN Observations of Blazar Candidates of Uncertain Type in the Northern Hemisphere", AJ 151, 32-, 2/2016.

Shapovalova, A. I., Popovi?, L. ?., Chavushyan, V. H., Burenkov, A. N., Ili?, D., Kollatschny, W., Kova?evi?, A., Valdés, J. R., Patiño-Álvarez, V., León-Tavares, J., Torrealba, J., Zhdanova, V. E., "First Long-term Optical Spectral Monitoring of a Binary Black Hole Candidate E1821+643. I. Variability of Spectral Lines and Continuum", ApJS 222, 25-, 2/2016.

Baglio, M. C., D'Avanzo, P., Campana, S., Goldoni, P., Masetti, N., Muñoz-Darias, T., Patiño-Álvarez, V., Chavushyan, V., "1RXS J180408.9-342058: An ultra compact X-ray binary candidate with a transient jet", A&A 587, A102-, 3/2016.

Álvarez Crespo, N., Massaro, F., Milisavljevic, D., Landoni, M., Chavushyan, V., Patiño-Álvarez, V., Masetti, N., Jiménez-Bailón, E., Strader, J., Chomiuk, L., Katagiri, H., Kagaya, M., Cheung, C. C., Paggi, A., D'Abrusco, R., Ricci, F., La Franca, F., Smith, H. A., Tosti, G., "Optical Spectroscopic Observations of Gamma-Ray Blazar Candidates. VI. Further Observations from TNG, WHT, OAN, SOAR, and Magellan Telescopes", AJ 151, 95-, 4/2016.

Olguín-Iglesias, A., León-Tavares, J., Kotilainen, J. K., Chavushyan, V., Tornikoski, M., Valtaoja, E., Añorve, C., Valdes, J., Carrasco, L., "The host galaxies of active galactic nuclei with powerful relativistic jets", MNRAS 460, 3202–3220, 3/2016.