SIMPLEST PROGRAM TARGETS
IC418 (low ionization, some O++ with bright outer boundary in N+)
Frew (Mendez): Teff = 38 (36) kK, Rshell= 0.052(0.047) pc, D=1.2 (1.6) kpc MORE DATA
Overlays of major & minor axis line profiles and ratios. Click any image or plot for an enlarged version.
* N up, pixels = 0.05". Images are spatially aligned and photometrically calibrated.
NGC6826 (moderate ionization, no He++ in core)
Frew (Mendez): Teff = 50 (50) kK, Rshell= 0.11(0.17) pc, D=1.3 (1.9) kpc MORE DATA
Overlays of major & minor axis line profiles and ratios. Click any image or plot for an enlarged version.
* N up, pixels = 0.05". Images are spatially aligned and photometrically calibrated.
IC2448 (core is bright in He++)
Frew (Mendez): Teff = -- (65) kK, Rshell= 0.12(0.076) pc, D=2.2 (3.5) kpc MORE DATA
Overlays of major & minor axis line profiles and ratios. Click any image or plot for an enlarged version.
* N up, pixels = 0.05". Images are spatially aligned and photometrically calibrated.
NGC3242 (core is bright in He++)
Frew (Mendez): Teff = 89 (75) kK, Rshell= 0.19(0.17) pc, D=1.3 (1.8) kpc MORE DATA
Overlays of major & minor axis line profiles and ratios. Click any image or plot for an enlarged version.
* N up, pixels = 0.05". Images are spatially aligned and photometrically calibrated.
NGC7662 (core is bright in He++)
Frew (Mendez): Teff = 111 ( -- ) kK, Rshell= 0.13( --) pc, D=1.26 ( -- ) kpc MORE DATA
Overlays of major & minor axis line profiles and ratios. Click any image or plot for an enlarged version.
* N up, pixels = 0.05". Images are spatially aligned and photometrically calibrated.
MORE COMPLEX PROGRAM TARGETS
BD+30 3639 (low ionization, some inner O++ with bright outer boundary in N+)
Frew (Mendez): Mstar = 0.58 (--), Teff = 32 (--) kK, Rshell = 0.02 (--) pc, D = 1.3 (--) kpc MORE DATA* N up, pixels = 0.05". Images are spatially aligned and photometrically calibrated.
IC 4593 (moderate ionization, trace of He++, inner O++ with extensive N+ filaments and knots)
Frew (Mendez): Mstar = 0.56 (0.68), Teff = 40 (40) kK, Rshell = 0.06 (0.093) pc, D = 1.6 (3.2) kpc MORE DATA* N up, pixels = 0.05". Images are spatially aligned and photometrically calibrated.
NGC2392 (high ionization, some inner He++)
Frew (Mendez): Mstar = 0.XX (0.73), Teff = XX (47) kK, Rshell= 0.0xx(0.224) pc, D=X.X (2.0) kpc MORE DATA* N up, pixels = 0.05". Images are spatially aligned and photometrically calibrated.
NGC3132 (high ionization, inner O++ with bright outer boundary in N+)
Frew (Mendez): Mstar = 0.57 (--), Teff = 100 (--) kK, Rshell= 0.13 (--) pc, D = 0.81 (--) kpc MORE DATA* N up, pixels = 0.05". Images are spatially aligned and photometrically calibrated.
NGC3918 (high ionization, strong He++, bright O++ boundaries, N+ shadows and jets)
Frew (Mendez): Mstar = 0.63 (--), Teff = 150 (--) kK, Rshell= 0.08 (--) pc, D = 1.84 (--) kpc MORE DATA* N up, pixels = 0.05". Images are spatially aligned and photometrically calibrated.
NGC 5882 (moderate ionization, trace of He++, scattered low-ionization knots)
Frew (Mendez): Mstar = 0.56 (--), Teff = 68 (--) kK, Rshell = 0.059 (--) pc, D = 1.7 (--) kpc MORE DATA* N up, pixels = 0.05". Images are spatially aligned and photometrically calibrated.
NGC 6210 (moderate ionization, trace of He++, scattered low-ionization knots)
Frew (Mendez): Mstar = -- (--), Teff = -- (--) kK, Rshell = 0.071 (--) pc, D = 2.1 (--) kpc MORE DATA* N up, pixels = 0.10". Images are spatially aligned and photometrically calibrated.
NGC 6543 (moderate ionization, strong O++, no He++, some low-ionization knots)
Frew (Mendez): Mstar = 0.57 (--), Teff = 48 (--) kK, Rshell = 0.09 (--) pc, D = 1.5 (--) kpc MORE DATA* N up, pixels = 0.05". Images are spatially aligned and photometrically calibrated.
NGC 6565 (moderate ionization, weak He++, outer ring of N+, faint extxended lobes)
Frew (Mendez): Mstar = -- (--), Teff = -- (--) kK, Rshell = 0.058 (--) pc, D = 2.2 (--) kpc MORE DATA* N up, pixels = 0.05". Images are spatially aligned and photometrically calibrated.
NGC 6578 (moderate ionization, trace of He++, scattered low-ionization knots)
Frew (Mendez): Mstar = -- (--), Teff = -- (--) kK, Rshell= 0.083 (--) pc, D = 2.9 (--) kpc MORE DATA* N up, pixels = 0.05". Images are spatially aligned and photometrically calibrated.
NGC 6886 (high ionization, moderate He++, edge-brightened in N+, extended lobes)
Frew (Mendez): Mstar = -- (--), Teff = -- (--) kK, Rshell = 0.083 (--) pc, D=5.3 (--) kpc MORE DATA* N up, pixels = 0.05". Images are spatially aligned and photometrically calibrated.
NGC 6891 (moderate ionization, no He++, extremely weak N+)
Frew (Mendez): Mstar = -- (0.68), Teff = XX (50) --, Rshell = -- (0.078) pc, D = 2.9 (3.2) kpc MORE DATA* N up, pixels = 0.05". Images are spatially aligned and photometrically calibrated.
NGC 7009 (high ionization, interior He++, some low-ionization knots)
Frew (Mendez): Mstar = 0.59 (0.66), Teff = 87 (82) kK, Rshell= 0.087 (0.092) pc, D=1.5 (2.1) kpc MORE DATA* N up, pixels = 0.05". Images are spatially aligned and photometrically calibrated.
NGC 7027 (high ionization, strong He++, strong O++, network of N+ filaments and dust lanes)
Frew (Mendez): Mstar = 0.67 (--), Teff = 175 (--) kK, Rshell = 0.03 (--) pc, D = 0.89 (--) kpc MORE DATA* N up, pixels = 0.05". Images are spatially aligned and photometrically calibrated.
SIMPLEST NON-PROGRAM TARGETS WITH HST IMAGES
IC289: D=2.2 kpc, radius=0.19 pc (from Frew's thesis, table 7.1)relatively low signal to noise in Halpha and [OIII], very poor in [NII] Red, Green, Blue = [NII] (2000sec), [OIII] (2000sec), and Halpha (200sec). the image intensity is highly nonlinear. The field of view is 51."2 IC1454 (not in Frew's thesis)very poor signal to noise in all images Red, Green, Blue = [NII] (960sec), both [NII] and [OIII], [OIII] (760sec) the image intensity is linear. The field of view is 40"
IC3568 (not in Frew's thesis)The [OIII] image is good, but the signal to noise is very poor in [NII] Red, Green, Blue = [NII] (820sec), both [NII] and [OIII], [OIII] (300 sec) the image intensity is highly nonlinear. The field of view is 20"
NGC2438: D=1.42 pc, radius = 0.27 pc, T_star=124,000, M_star=0.62, L_star=10^2.31 (from Frew's thesis, table 9.5,6)good signal to noise in all images Red, Green, Blue = [NII] (1000sec), [OIII] (2080sec), and Halpha (2080sec). the image intensity is highly nonlinear. The field of view is 80"
NGC6751: D=2 pc, radius = 0.11 pc, T_star=105,000, M_star=0.68, L_star=10^3.91 (from Frew's thesis, table 9.5,6)good signal to noise in all images Red, Green, Blue = [NII] (800sec), [OIII] (560sec), and Halpha (1120sec). the image intensity is highly nonlinear. The field of view is 25.6"
NGC6884 (not in Frew's thesis)good signal to noise in both images Red, Green, Blue = [NII] (800sec), [OIII] (560sec), and Halpha (1120sec). the image intensity is highly nonlinear. The field of view is 20"
NGC7354: D=1.6 pc, radius = 0.09 pc, T_star=96,000, M_star=0.66, L_star=10^3.95 (from Frew's thesis, table 9.5,6)the signal to noise of the data is poor, especially [NII] Red, Green, Blue = [NII] (1000sec), both [NII] and [OIII], [OIII] (700sec) the image intensity is highly nonlinear. The field of view is 40"
Vy2-3 (not in Frew's thesis)the signal to noise isgood except for the outer part of the shell Red, Green, Blue = Halpha only (the image comes out grey, of course). the image intensity is linear unless noted otherwise. The field of view is 20"
