- Telescope: Ritchey Chretien Astrograph, D = 300 mm (12”)
- CCD camera: ATIK 4000M, active size 2048 x 2048 px, pixel size 7.4 mk, cooling: -45 degrees below the ambient temperature, real measured Gain = 0.45 e-/ADU, Read noise = 8.62 e-;
- Working configurations: f/5 with focal reducer, FOV = 35 х 35 arcmin, FL = 1 500 mm, Image scale = 1.04 arcsec/px
- Filters: B, V, Ic, (Johnson-Cousins); g’, r’, i’ (SLOAN type); SA200 diffraction grating for spectral analyses
- Mount: ASA - DDM85 Premium Direct Drive Mount -100 kg payload
- Dome – 3m ScopeDome (Poland)
- Remote control through internet.
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- Telescope: ASA 12” Newton Astrograph, D = 300 mm (12”)
- CCD camera: SBIG STL 11000M, active size 4008 x 2745 px, pixel size 9 mk, cooling: -40 degrees below the ambient temperature, real measured Gain = 0.63 e-/ADU, Read noise = 8.65 e-;
- Working configurations: f/3.6 with focal reducer, FOV = 115 х 78 arcmin, FL = 1 080 mm, Image scale = 1.72 arcsec/px
- Filters: broadband (color): L (clear, UVand IR cut), R (red), G (green), B (blue); narrowband: Ha – 7 nm (656.2 nm), OIII – 8.5 nm (500.7 nm), SII – 8 nm (671.7 nm) - (BAADER)
- Mount: ASA - DDM85 Premium Direct Drive Mount -65 kg payload
- Dome – 3m ScopeDome (Poland)
- Remote control through internet.
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| VARIABLE STARS - PHOTOMETRY |
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NSVS 7377875 |
NSVS 2459652 |
CSS J071813.2+505000 |
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| NSVS 7178717 |
EF Aql - symbiotic star |
CSS J015341.9+381641 |
NSVS 3853195 |
V0797 Cep |
V0796 Cep |
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| 2MASS J16211735 + 4412541 (catacl. var.) |
FO Aqr (Cataclysmic var., intermediate polar) |
USNO-B1.0 1395-0370184 |
USNO-B1.0 1395-0370731 |
VSX J062624.4+570907 |
NSVS 3676488 (CSS J004004.7+385531) |
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| NSVS 908513 |
NSVS 2244206 |
CSS J224326.0+154532 |
CSS J214633.8+120016 |
CSS J171508.5+350658 |
CSS J171410.0+445850 |
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| V0568 Peg (Peg) |
NSVS 113026 (Cep) |
UCAC4 525-135123 (Del) |
NSVS 1776195 (Per) |
V1007 Cas (Cas) |
NSVS 3640326 (And) |
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GK Per (Per) |
Bright nova in Delphinus: PNV J20233073+2046041 |
SN 2014L - type Ic in M99 (NGC4254) |
SN 2014J - type Ia in M82 (NGC3034) |
Super Nova type II in M74 |
| EXOPLANETS - PHOTOMETRY |
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Exoplanet WASP-46b (Ind) |
Exoplanet WASP-4 b (Phe) |
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| Exoplanet KOI 1459 b (Lyr) |
Exoplanet HAT-P-32b (And) |
Exoplanet WASP-52 b (Peg) |
Exoplanet HAT-P-18b (Her) |
Exoplanet HAT-P-37b (Dra) |
Exoplanet WASP-36 b (Hya) |
PUBLICATIONS |
| Here is a link to our publication list through the ADS (SAO/NASA Astrophysics Data System) |
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Discovery of optical flickering from the symbiotic star EF Aquilae
Zamanov, R. K.; Boeva, S.; Nikolov, Y. M.; Petrov, B.; Bachev, R.; Latev, G. Y.; Popov, V. A. and 5 co-authors |
Observations and light curve solutions of the W UMa binaries V796 Cep, V797 Cep, CSS J015341.9+381641 and NSVS 3853195
Kjurkchieva, D. P.; Popov, V. A.; Ibryamov, S. I.; Vasileva, D. L.; Petrov, N. I. |
The newly discovered eclipsing cataclysmic star 2MASS J16211735 + 4412541 and its peculiarity
Diana P. Kjurkchieva, Velimir A. Popov, Doroteya L. Vasileva, Nikola I. Petrov |
Return of the King: Time-Series Photometry of FO Aquarii's Initial Recovery from its Unprecedented 2016 Low State
Colin Littlefield, Peter Garnavich, ... Velimir Popov, and 27 co-authors |
Observations and Light Curve Solutions of the Eclipsing Binaries USNO-B1.0 1395-0370184 and USNO-B1.0 1395-0370731
Kjurkchieva, D.; Popov, V. A.; Vasileva, D.; Petrov, N. |
Photometric observations and light curve solutions of the W UMa stars NSVS 2244206, NSVS 908513, CSS J004004.7+385531 and VSX J062624.4+570907
D. Kjurkchieva, V. A. Popov, D. Vasileva, N. Petrov |
Observations and light curve solutions of four ultrashort-period binaries
Kjurkchieva D., Popov V., Vasileva D., Petrov N |
Light curve solutions of six short-period binaries and peculiarities of two of them, NSVS 3640326 and V1007 Cas
D.Kjurkchieva, V.Popov, N.Petrov and E. Ivanov
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Observations of transits of the southern exoplanets WASP 4b and WASP 46b by using a 40 cm telesope
D.Kjurkchieva, N.Petrov, V.Popov, and E. Ivanov |
The ATLAS3D project – XXIX. The new look of early-type galaxies and surrounding fields disclosed by extremely deep optical images.
(ACKNOWLEDGEMENT for our image of NGC 474 galaxy shown in Fig. 7) |
| SPECTROSCOPY |
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| COMETS & ASTEROIDS |
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AAVSO CERTIFICATES |
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