Selected papers – 1999 – 2xxx

Bachev R., Petrov G., Slavcheva L., Mihov B.,

1999, Active Galactic Nuclei and Related Phenomena, Proceedings of IAU Syposium 194, held 17-21 Aug. 1998, in Yerevan, Armenia. Edited by Y. Terzian, E. Khachikian, and D. Weedman, San Francisco: Astronomical Society of the Pacific, 1999., p.311.

 Black Hole Masses and Unification of Seyferts

Bachev R., Slavcheva-Mihova L.

2000, Proceedings of the Second Serbian-Bulgarian Astronomical Meeting, Held June 23-26, 2000, in Zajecar, Serbia. Edited by Milan S. Dimitrijevic, Luka C. Popovic', and Milcho Tsvetkov. Volgina 7, 11000 Belgrade, Yugoslavia .2000, Publ. Astr. Obs. Belgrade,  67, 3.

 Search for Optical Variability in Two Seyfert Galaxies

Bachev R., Strigachev A.

2004, AN, 325, No. 4, 1 (astro-ph/0310647).

Optical Continuum Variability of the Active Galaxy Mrk 279 - Implications for Different Accretion Regimes”

Bachev R., Strigachev A., Petrov G.,

1999, Bulg.J.Phys, v.26, No.5-6, p.266-272.

Observations at Belogradchick astronomical observatory with the CCD camera ST-8.

Bachev R., Strigachev A., Semkov E.,

2004, MNRAS, accepted (astro-ph/0412149)

 Short-term optical variability of high-redshift QSO's”

Bachev, R.,

1999, A&A, 348, 71.

Emission lines from illuminated warped

accretion disks in AGN

Bachev R., Strigachev A., Dimitrov V.

2000, A&A Supl, 147, 175.

VRI comparison stars for selected active galaxies

Busemannn H. et al.

2001, p.357-379. in AIP Conf.Proc. 2001 CP598 "Solar and Galactic Composition" ed. Wimmer-Schweingruber R., American Institute of Physics

Applications of Abundance Data and Requirements for Cosmochemical Modeling

Geogiev T.B.

2004, Aerospace Research in Bulgaria, in print (contribution to the BAM, Rozhen, 14-18.06.2004).

 The radial brightness profiles of the galactic disks

Georgiev I., Diulgerov C., Nedialkov P., Ovcharov E., Stanev I., Stanchev O., Valcheva A., Veltchev J.

2004, IV SBAC, Belgrade, 21-24.04.

 BVR photometry of stellar and nonstellar objects in vicinity of starburst galaxy M 82

Georgiev T.,

2000, IAU Com. 9, WG on Sky Surveys, Newsletter 10, 13.

 Observaqtions with the Rozhen Schmidt telescope and ST6 CCD camera.

Georgiev T., Georgiev I., Koleva N, Nedialkov P, Stanchev O.

2004, Publ. Astron. Obs. Belgrade, in print (contribution to the IV SBAC, Belgrade, 21-24.04.2004).

 Decomposition of the brightness profiles of 20 galaxies

Georgiev T., Georgiev I., Koleva N., Nedialkov P., Stanchev O

2004, Publ.Astron.Obs.Belgrade, in print (contribution to the IV SBAC, Belgrade, 21-24.04.2004).

 Analysis of the color-magnitude diagrams of the dwarf galaxies UGCA 105 and UGCA 86

Georgiev T.B.,

2000, Compt.Rend.Acad.Bulg.Sci 53/2,5-8.

The Brightest Resolved Objects And The Distance To The Galaxy :M 82

Georgiev T.B.

2000, Compt.rend.Acad.bulg.Sci 53/9, 5-8.

 Photometry of the resolved objects in the dwarf galaxy UGC 685,

Georgiev T.B.,

2000, IAU Com. 9, WG on Sky Surveys, Newsletter 10, 19.

 Cleaning and smoothing of frames using improved median methods

Georgiev T.B.,

2002, Bull.SAO 53, 109-113.

 Fast image processing methods for PC. 6. Resampling of big images

Georgiev T.B.,

2002, Bull.SAO 53, 114-118.

 Fast image processing methods for PC. 7. From median to mode filtering

Georgiev T.B.,

2002, Meeting in Physics - University of Sofia, 3, 71-74.

On the reduction of astronomical photometry data

Georgiev T.B.,

2002, Publ.Astron.Obs.Belgrade No. 73, 143.

Extinction estimation from the color-magnitude diagram of dwarf galaxies

Georgiev T.B.,

2004, Aerospace Research in Bulgaria, V.19, in print.

 Representation of the convex radial profiles of the galactic disks by means of the Sersic formula. The galaxies M 31, M 33, LMC, SMC and M 83.

Georgiev T.B., Atanasova E.G., Velitchkov M.T.,

2000, Compt. rend.Acad.Bulg.Sci. 53/12, 5-8

 

Georgiev T.B., Atanasova E.G., Velitchkov M.T.,

2001, Сompt. rend. 54/1, 5-8.

 Color-magnitude diagram and distance to the edge-on galaxy UGC 1281

Georgiev T.B., Bomams D.J.

2001, JENAM 2001, 206, Astronomrshe Gesellschaft Abstract Series 18,

 Color-magnitude diagrams of the star-forming galаxies Ho IX, Cam B, NGC 2976, and UGC 1281.

Georgiev T.B., Bomans D.J.,

2004, A&A 427, 87.

 BVR photometry in the dwarf galaxy HoIX

Georgiev T.B., Goranova Yu.B.,.Stanchev O.I.,

 2002, Meetings in Physics - University in Sofia, 3, 67-70.

 Program for investigation of dwarf galaxies in Rozhen NAO.

Georgiev T.B., Stanchev O.I.,

2004, Publ.Astron.Obs.Belgrade, in print (contribution to the IV SBAC, Belgrade, 21-24.04.2004).

 Decomposition of profiles of galaxies with convex disk shapes

Georgiev T.B., Stanchev O.I., Nedialkov P.L.,

2004, Annuaire d’Universite de Sofia, Faculte de Physique, in print.

 Decomposition of the photometry profiles of 119 edge-on spiral galaxies.

Georgiev T.B.,.Stanchev O.I.,

 2004, Bularian Journal of Physics, in print.

Modeling and decomposition of profiles of edge-on galaxies by means of the Sersic formula

Georgiev Ts. B.,

2002, Annual of the Shumen University, V 19, 147.

 Dwarf stellar systems - properties and problems

Goranova Yu., Georgiev Ts., Iliev L., Stateva I., Tomov N.,

2002. Publ.Astron.Obs.Belgrade No.73, 153.

 Radial velosities of 22 B-stars toward the galactic anti-center

Kirilova D.

2004.Proc. Intern. Symposium on Fundamental and  Computational Physics, 26-29 September, Udine, Italy (in press)

Cosmological Constraints on Neutrino Oscillations - Relaxed or Strengthened,

Kirilova D. P.,

2001, p.405-410.proc. Joint SOHO-ACE Workshop "Solar and Galactic Composition", Bern, 6-9 March,

Primordially Produced Helium-4 in the presence of neutrino oscillations,

Kirilova D. P.,

2001, p.46.Book of Abstracts "Solar and Galactic Composition", Bern,

Primordially Produced Helium-4 in the presence of neutrino oscillations,

Kirilova D.,

2001, Les Houches, France, in proc. Les HOUCHES EuroConference on Neutrino Masses and Mixings, 18-22 June,

How Cosmology Constrains Neutrino Oscillations,

Kirilova D.,

2001, Marseille, Treyer \& Tresse Eds, Frontier Group. in Proc. of Int. Conference ``Where's the Matter? Tracing Dark and  Bright Matter with the New Generation of Large Scale Surveys''

Baryonic Content in Nonstandard BBN Models,

 

Kirilova D.,

2003.AATr v.22, pp. 425 -428,

Baryon Density in modified models of primordial Nucleosynthesis,

Kirilova D.,

2003.Astron. Astroph. Tr, v.22, pp. 421-424,

Overproduction of helium-4 due to neutrino oscillations

Kirilova D.,

2003.astro-ph/0109105, Astropart. Phys. v.19, pp. 409-417,

Overproduction of helium-4 in the presence of neutrino oscillations,

Kirilova D.,

2004 Int. J. Mod. Phys. D13, pp. 831-842,

 Neutrino Spectrum Distortion Due to Oscillations and its BBN Effect.

Kirilova D.,

2004 International Symposium on Fundamental and Computational Astrophysics, Udine, 26-29 September, 2004 (прието за печат).

 General Cosmological Constraints on Neutrino Oscillations - Relaxed or Strengthened,

Kirilova D.,

2004 Manev's Internartional Coference оn Historical and Contemporary Aspects of Astronomy, Theoretical and Gravitational Physics, 20-22May 2004, Sofia, (прието за печат)

Cosmological Contsraints on Neutrino Oscillations,

Kirilova D.,

2004, Central Eur.J.Phys.2:467-491

Neutrino Oscillations and the Early Universe.

Kirilova D.,

2004, Sofia, Bulgaria (in press). Proc. of Manev International Conference on Historical and Contemporary

Aspects of Astronomy, Theoretical and Gravitational Physics, 20-22 May,

Cosmological Constraints on Neutrino Oscillations,

 

Kirilova D.,

2004. hep-ph/0209104, Int. J. Mod. Phys. D13, pp. 831-842,

Neutrino Spectrum Distorsion Due to Oscillations and its BBN Effect,

Kirilova D.,

2004.astro-ph/0312569, Central Eur.J. Phys.2: 467-491,

Neutrino oscillations and the early Universe,

Kirilova D., Chizhov M.,

2000, p.56-66.proceedings of the International Workshop "Hot Points in  Astrophysics" at JINR, Dubna, Russia, 22-26 August,

Big Bang Nucleosynthesis and Cosmological Constraints on Neutrino Oscillations Parameters,

Kirilova D., Chizhov M.,

2000.MNRAS 314, p.256-262,

 Non-GUT Baryogenesis and Large Scale Structure of the Universe,

Kirilova D., Chizhov M.,

2000.Nucl.Phys.B591, p.457-468,

Cosmological nucleosynthesis and active-sterile neutrino oscillations with small mass differences: The resonant case

Kirilova D., Chizhov M.,

2000in "Otranto, Europhysics neutrino oscillation workshop" p. 360-362

 Oscillations in the Early Universe,

Kirilova D., Chizhov M.,

2001 AIP Conference Proceedings, Melville, New York, 2001, v.555, p.433-436; eds. J. Garcia-Bellido, R. Durrer, and M.

Lepton Asymmetry Effect on Neutrino Oscillations and Primordial Helium-4, in "Cosmology and Particle Physics",

Kirilova D., Chizhov M.,

2001, Galaxy Clusters and the High-Redshift universe observed in X-rays, eds. J. Tran Thanh Van and Doris M. Neumann, proc. of XXXVIth Rencontres de Moriond, XXI Moriond Astrophysics

Meeting, Les Arcs, Savoie, France, March 10-17,

Large Scale Structure and Baryogenesis,

 

Kirilova D., Chizhov M.,

2001, p.1-20; astro-ph/0108341.CERN-TH/2001-020,

Big Bang Nucleosynthesis and Cosmological Constraints on Neutrino Oscillations Parameters,

Kirilova D., Chizhov M.,

2001,Nucl.Phys. B Proc. Suppl. 100, p. 360-362,

Neutrino Oscillations in the Early Universe,

Kirilova D., Panayotova M.,

2004 ICTP report IC/IR/2004/13

More General BBN Constraints on Neutrino Oscillations,.

Kirilova D., Panayotova M.,

2004, 4th Serbian-Bulgarian Astronomical Conference (IV SBGAC), 21-24 April 2004, Belgrade, Serbia (Прието За Печат).

Cosmological constraints on neutrino oscillations for initially non-zero sterile state

Kirilova D., Panayotova M.,

2004, Belgrade, Serbia (in press).4th Serbian-Bulgarian Astronomical Conference (IV SBGAC), 21-24 April

Cosmological constraints on neutrino oscillations for initially non-zero sterile state,

Kirilova D., Panayotova M.,

2004.ICTP report IC/IR/2004/13,

More General BBN Constraints on Neutrino

Oscillations,

Kirilova D., Valchanov T.,

2004 ICTP report IC/IR/2004/12

 On Scalar Condensate Baryogenesis Model.

Kirilova D., Valchanov T.,

2004, 4th Serbian-Bulgarian Astronomical Conference (IV SBGAC), 21-24 April 2004, Belgrade, Serbia (прието за печат)

Early Universe Baryogenesis,.

Kirilova D., Valchanov T.,

2004, Belgrade, Serbia (in press). 4th Serbian-Bulgarian Astronomical Conference (IV SBGAC), 21-24 April

Early Universe Baryogenesis,

Kirilova D., Valchanov T.,

2004.ICTP report IC/IR/2004/12,

On Scalar Condensate Baryogenesis,

,

Kirilova D.,,

2003.in *Geneva 2002, Very high energy cosmic ray interactions* 404-408 and Nucl. Phys. Proc. Suppl. v. 122, pp. 404-408,

BARYOGENESIS MODEL PREDICTING ANTIMATTER IN THE UNIVERSE,

Kirilova D.,, Panayotova M., Valchanov T.,

2002, Chateau de Blois, France, ed. L. Inconomidou-Fayard and J. Tran Thanh Van, THE GIOI publishers, p.439, astro-ph/0209605 (extended version). Proc. XIVth Rencontres de Blois "Matter-Antimatter Asymmetry" 16th-22nd June,

Vast antimatter regions and SUSY-condensate baryogenesis,

Kirilova, D.P.

2003, 167-178. Proceedings of the XIII National Conference of Yugoslav Astronomers, 17-20 Oct. 2002, Belgrade, Publ. Astron. Obs. Belgrade, No.75,

Neutrino oscillations and the early Universe,

 

Klecker B. et al.,

2001, p.207-220. in proc. 2001: AIP CP 598 "Solar and Galactic Composition" ed. Wimmer-Schweingruber R., American Institute of Physics, Melville, New York,

Galactic Abundances: Report of Working

Group 3,

Mihov B. M., Bachev R. S.,. Strigachev A. A, Slavcheva L. S., Petrov G. T.,

1999, Active Galactic Nuclei and Related Phenomena, Proceedings of IAU Syposium 194, held 17-21 Aug. 1998, in Yerevan, Armenia. Edited by Y. Terzian, E. Khachikian, and D. Weedman, San Francisco: Astronomical Society of the Pacific, 1999., p.175.

Photometric Monitoring of Selected Quasars: The Highly Luminous Quasar HS 1946+7658

Mihov B.M.

2001, A&Ap, 370, p.43

The External Shear in the Gravitationally Lensed

System Q 2237+0305: a Two-Plane Lens Modelling

Petrov G., Kniazev A., Fried J.,

 2005, Aerospace Research in Bulgaria, v.20, p.120.Proc. Of the Balkan Astronomical Meeting, 14-18.06.2004 Rozhen, Bulgaria,.

Studies of selected voids. Photometry of faint galaxies in the direction of 1600+18 in Hercules void.

Petrov G., Seggewiss W., Dieball A., Kovachev B.,

2001, Astron. Astrophys., v.376, p.745.

CCD standards for U and I in the open cluster NGC 7790.

Petrov G., Slavcheva L., Bachev R., Mihov B. ,

1999, IAU Symp. 194, p.94.

Surface photometry of barred AGN. Arakelian 564.

Petrov G., Strigachev A., Mihov B., Petrov I. ,

1999, C.r., v.52, No.1-2, p.5.

 Monte Carlo simulations of the distribution of the galaxies in the direction of Hercules void (1600+18).

Petrov G.T., Slavcheva-Mihova L. S., Mihov B. M.,

 Proceedings of the Fourth Serbian-Bulgarian Astronomical Meeting, Held in April, 21-24, 2004, Belgrade, Serbia. Eds.: M.Dmitrijevic, V.Golev, L.Popovic, M.Tsvetkov ,

2005, Publ.Obs.Belgade, v.74, p.241

 Surface Photometry of NGC 5610 – A Box/Peanut Structure In An Intermediately Inclined Galaxy

Slavcheva L. S., Mihov B. M., Petrov G. T.,. Bachev R. S.,

1999, Active Galactic Nuclei and Related Phenomena, Proceedings of IAU Syposium 194, held 17-21 Aug. 1998, in Yerevan, Armenia. Edited by Y. Terzian, E. Khachikian, and D. Weedman, San Francisco: Astronomical Society of the Pacific, 1999., p.87.

Spectrophotometry of Selected AGN: Seyfert Galaxy AKN 564

Slavcheva L., Petrov G., Mihov B.,

1998, Comptes rendus de l'Academie bulgare des Sciences, Tome 51, N 1-2.

 Spectral Analysis of Seyfert 1 Galaxies.

Slavcheva-Mihova L. S.,

2002, XIV Canary Islands Winter School for Astrophysics, Held 18-29 Nov., 2002, Tenerife, Spain.

 BVRcIc Syrface Photometry of Seyfert Galaxies Mrk 304 And Mrk 352

Slavcheva-Mihova L. S., Oknyanskij V. L., Mihov B. M.,

2001, Astrophys. Sp. Sci., vol. 275, No 4, p. 385.

CCD Photometry of QSO 0957+561 A & B Using La Palma Archive

Slavcheva-Mihova L. S., Petrov G. T., Mihov B. M,

2005, Aerospace Research in Bulgaria, v.20, p.60.  Proc. Of the Balkan Astronomical Meeting, 14-18.06.2004 Rozhen, Bulgaria, 2004.

 Multicolour Surface Photometry Of Seyfert Galaxies: First Results

Stanchev O. Nedialkov P. Georgiev T.,

2004, Comp.rend.Acad.bulg. Sci,57/7,5.

 Huuble diagrams from 37 southern edge-on galaxies in B and I bands,

Stanchev O. Nedialkov P. Georgiev T.,

2004, Comp.rend.Acad.bulg.Sci, 57/6,5.

 Calibrated Tully-Fisher relations for edge-on galaxies in the system BVR

Stanchev O., Nedialkov P., Georgiev T., Georgiev I.,

2004, Publ.Astron.Obs.Belgrade, in print (contribution to the IV SBAC, Belgrade, 21-24.04.2004).

 Calibration of the relation diameter – HI line width for edge-on spiral galaxies.

Stanchev O.I.,

2002, Annual of the Shumen University, V 19, 151.

 Three-dimensiona structure of edge-on disk galaxies

Stanchev O.I., Goranova Yu.B., Georgiev Ts.B.

2002, Publ.Astron.Obs.Belgrade No.73, 231.

 R-band photometric profiles of 120 edge-on northern galaxies.Stellar photometry in the dwarf galaxy LGS 3

Ценев Л., Георгиев И., Георгиев Ц., Овчаров Е., Станев И., Недялков П.

2004, http://www.astronomerstelegram.org, телеграми No. 330, 334, 346

 

PETROV G., FRIED J., KNIAZEV A.

2006, p.285. Plate Content Digitization, Archive Mining and Image Sequence Processing",

Proc. Of the Workshop VIRTUAL OBSERVATORY: "Plate Content Digitization, Archive Mining and Image Sequence Processing", April 27-30, 2005, SOFIA

Studies of selected voids. Cluster Analysis of faint galaxies in the direction of Hercules void (1600+18).

SLAVCHEVA-MIHOVA L., MIHOV B., PETROV G.

2006, p.xxx. Plate Content Digitization, Archive Mining and Image Sequence Processing",

Proc. Of the Workshop VIRTUAL OBSERVATORY: "Plate Content Digitization, Archive Mining and Image Sequence Processing", April 27-30, 2005, SOFIA

    Adaptive Filter Applications In Surface Photometry of Galaxies

 

KOPCHEV V., NEDJALKOV P., PETROV G.

2005, C.r. xxxx, .

 

Age determination of open star clusters King 14 and NGC 146.

KOPCHEV V., PETROV G., NEDJALKOV P.

2005, BulgJPhys, 32, xxx.

Age determination of possible open clusters NGC 2383, NGC 2384, Pismis 6 and Pismis 8.

V. KOPCHEV, G. PETROV, L.SLAVCHEVA-MIHOVA

2006, Bulg.J.Phys, 33, xxx.

UBVRI photometry of the possible binary open star cluster NGC 6755/NGC 6756.

L. Slavcheva-Mihova, B. Mihov, G. Petrov, V. Kopchev

2006, Bulg.J.Phys, 33, xxx

     Surface Brightness Profile Decomposition of the Seyfert Galaxy Mrk 509

G. PETROV,J. FRIED, A. KNIAZEV

2006, Bulg.J.Phys, 33, xxx

     Large Scale Structures in the Universe. III.Cluster Analysis of faint galaxies in the direction of HERCULES void

 

G. PETROV, L.SLAVCHEVA-MIHOVA, V. KOPCHEV

2006, Bulg.J.Phys, 33, xxx

Studies of selected voids. Faint galaxies in the direction of the void 0049 +05.