Research

Papers describing the observatory and the equipment:

Automatic 60 cm Telescope of the Belogradchik Observatory - First Results
A. Antov and R. Konstantinova-Antova

Observations at Astronomical Observatory Belogradchikl with CCD Camera SBIG ST-8
R. Bachev, A. Strigachev, G. Petrov et al.

A new CCD camera at the 60-cm telescope of the Belogradchik Astronomical Observatory
Anton Strigachev, Rumen Bachev

Principal publications based partially or entirely on observations collected at Belogradchik observatory:

Rani B, Gupta A.C., Strigachev A., Bachev R., Wiita Paul J. et al., 2010, MNRAS, 404, 1992; "Short-term flux and colour variations in low-energy peaked blazars"

Zamanov R.K., Boeva S., Bachev R., et al., 2010, MNRAS, 404, 381 "UBVRI observations of the flickering of RS Ophiuchi at quiescence"

Vercellone S., D'Ammando F., Vittorini V.,et al., 2010, ApJ, 712, 405 "Multiwavelength Observations of 3C 454.3. III. Eighteen Months of Agile Monitoring of the "Crazy Diamond"

M. Böttcher, K. Fultz, H.D. Aller, M.F. Aller, J. Apodaca, A.A. Arkharov, U. Bach, R. Bachev, et al., 200, ApJ, , 174-182; "The WEBT Campaign on the Intermediate BL Lac Object 3C 66A in 2007-2008."

Raiteri C.M., Villata M., Capetti A., et al., 2009, A&A 507, 769 "WEBT multiwavelength monitoring and XMM-Newton observations of BL Lacertae in 2007-2008. Unveiling different emission components"

Bachev R., Grupe D., Boeva S., Ovcharov E., Valcheva A., Semkov E., Georgiev Ts., Gallo L. C., 2009, MNRAS 399, 750 "Studying X-ray reprocessing and continuum variability in quasars: PG 1211+143"

Villata M., Raiteri C. M., Gurwell M. A., et al., 2009, A&A 504, 9 "The GASP-WEBT monitoring of 3C 454.3 during the 2008 optical-to-radio and X-ray outburst"

Lèbre, A., Palacios A., Do Nascimento J. D. Jr., Konstantinova-Antova R., et al., 2009, A&A 504, 1011 "Lithium and magnetic fields in giant stars. HD 232 862: a magnetic and lithium-rich giant"

V. M. Larionov, S. G. Jorstad, A.P. Marscher, et al., 2008, A&A 492, 389-400; "Results of WEBT, VLBA and RXTE monitoring of 3C 279 during 2006–2007"

C.M. Raiteri, M. Villata, V.M. Larionov,et al., 2008, A&A , 755-766;"A new activity phase of the blazar 3C 454.3. Multifrequency observations by the WEBT and XMM-Newton in 2007-2008"

C. M. Raiteri, M. Villata, V.M. Larionov, et al., 2008, A&A,, 339; "Radio-to-UV monitoring of AO 0235+164 by the WEBT and Swift during the 2006-2007 outburst"

B. Mihov, R. Bachev, L. Slavcheva-Mihova, A. Strigachev, E. Semkov, G. Petrov, , Astron. Nachr., 329, 77;"Photometric monitoring of the blazar 3C 345 for the period 1996-2006"

M. Böttcher, S. Basu, M. Joshi, M. Villata, et al., 2007, ApJ, 670, 968;"The WEBT Campaign on the Blazar 3C 279 in 2006"

Zhilyaev B. E., Romanyuk Ya. O., Svyatogorov O. A., et al., 2007, A&A, 465, 235 "Fast colorimetry of the flare star EV Lacertae from UBVRI observations in 2004"

Assafin M., Nedelcu D. A., Badescu O., et al., 2007, A&A, 476, 989 "Optical astrometric positions of 59 northern ICRF radio sources"

R. Bachev, A. Strigachev, E. Semkov, 2005, MNRAS, 358, 774-780; "Short-term optical variability of high-redshift QSO's"

Lampens, P.; Strigachev, A.; Duval, D., 2007, A&A, 464, 641 "Multicolour CCD measurements of visual double and multiple stars. III"

Bachev, R.; Strigachev, A., 2004, Astron.Nach., 325, 317 "Optical continuum variability of the active galaxy Mrk 279 - implications for different accretion regimes"