OBSERVATORY TECHNICAL PARAMETERS
IRIDA South   IRIDA North
 
  • 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.
 
  • 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.
             
       
             
VARIABLE STARS - PHOTOMETRY
 
  EF Aql - symbiotic star CSS J015341.9+381641 NSVS 3853195 V0797 Cep V0796 Cep
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)
NSVS 908513 NSVS 2244206 CSS J224326.0+154532 CSS J214633.8+120016 CSS J171508.5+350658 CSS J171410.0+445850
V0568 Peg (Peg) NSVS 113026 (Cep) UCAC4 525-135123 (Del) NSVS 1776195 (Per) V1007 Cas (Cas) NSVS 3640326 (And)
 
  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
       
        Exoplanet WASP-46b (Ind) Exoplanet WASP-4 b (Phe)
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)
   

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

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
         
COMETS & ASTEROIDS
         
           
 
         
    AAVSO CERTIFICATES    
 
Copyright: Velimir Popov and Emil Ivanov 2013. All Rights Reserved
e-mail: info@irida-observatory.org
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