Comparative Study of Dust Properties around White Dwarf PG 1225-079 in IRIS, AKARI and WISE Data

In this work, dust properties around the White Dwarf PG 1225-079 located at RA (J2000): 12h 27m 47.35s, DEC(J2000): -08° 14’ 37.97” is studied extensively using publicly available data from Improved Reprocessing of IRAS Survey (IRIS), AKARI infrared survey and Wide field Infrared Explorer (WISE). The bipolar structure hardly resolved in IRIS (60 μm 100 μm) clearly (90 140 WISE (12 22 images. color temperature mass are calculated flux density. average value isolated 27.57 K for (I1). For upper lower clouds temperatures are; 22.64 22.63 (A1 A2), 295.34 296.85 (W1 W2) data. A wide range suggests dynamically active. found to be 3.44 × 1025 kg (I1), 1.82 1026 5.89×1026 two regions A2) 1.12 ×1026 1.14×1026 W2). good relation between all with r2 0.83 (I1) more than 0.90 (A1, (W1, SIMBAD database explore some sources including Supernova Remnants nearby which might progenitor as well contributor energetic radiation. Gaussian modeling deviated normal shape. contour plot shows non uniform variation among IRIS, survey. flux, within presented.