HOWPol body and peripherals on the Nasmyth table of Kanata telescope
Images of HOWPol R&D
CCDs (2k x 4k, full-depleted, manufactured by HPK/NAOJ) and M-front2 preamp boards
Wedged double Wollaston prism for narrow field (NFWol) |
Wedged double Wollaston prism for wide field (WFWol) |
First-light image of star-forming region M16 obtained on 2008 Jul 29 (RGB-composite, V-band 1x60sec exp., R-band 1x60sec exp.)
First-light image of globular cluster M3 obtained on 2008 Jul 29 (R-band 2sec exp.)
Image profile of a sample star in above M3 image. Average seeing size (Full-Width at Half-Maximum) is 4.0 +- 0.15 pixels, corresponding to 1.2 +- 0.04 arcseconds.
I-band (10-min exposure) image of M74 taken by HOWPol/Kanata
with its wide-field (7' by 7') one-shot polarimetry mode
RGB-composite image of face-on galaxy M74 taken by HOWPol/Kanata with V (8x10-min exp.), R (5x5-min), and I (5x5-min) filters on 2008 Nov 4. (9.3 x 9.3 arcmin FOV)
Horse-head nebula obtained with V (4x180-sec exp.), R (3x80-sec), and I (3x180-sec) filters on 2008 Nov 21. (10.6 x 11.0 arcmin FOV)
Crab nebula M1 (supernova remnant) taken with V (4x5-min exp.), R (3x5-min), and I (3x5-min) filters on 2008 Nov 30. (14.4 x 10.2 arcmin FOV)
Orion nebula (massive star forming region) M42 taken with V (4x20-sec exp.), R (4x15-sec), and z' (4x15-sec) filters on 2008 Nov 30. (16.9 x 14.6 arcmin FOV)
Ring nebula M57 taken with B (3x10-min exposure), V (3x5-min), and R (3x5-min) filters on 2008 Dec 2. (3.6 x 3.4 arcmin FOV)
Edge-on galaxy NGC 891 taken with V (5x4-min exposure), R (5x4-min), and I (5x4-min) filters on 2008 Dec 2 and 3. (9.7 x 11.5 arcmin FOV)