Palomar P200 LFC/WIRC Filters and Sky Background
U B V Rc Ic | u' g' r' i' z' | J H Ks K |
| | |
LAMBDAeff(1,2) 3640 4410 5470 6490 8020 | 3550 4670 6160 7470 8920 | 1.2483 1.6313 2.145 2.201 |
(A/um) | | |
FWHM (A/um)(2) 524 1008 826 1576 1543 | 599 1379 1382 1535 1370 | 0.162 0.296 0.32 0.34 |
| | |
Fnu (0m Vega) 1810 4260 3631 3080 2550 | 1545 3991 3174 2593 2222 | 1530 1019 667 631 |
(Jy - 10-26W/m2/Hz)
| | |
Flambda 4190 6601 3641 2190 1166 | 3666 5410 2500 1390 832 | 294 114 43 39 |
(10-12erg/cm2/s/A)
| | |
Nlambda (0m Vega) 760 1460 1000 720 490 | 653 1270 774 522 373 | 185 93 45 43 |
(phot/cm2/s/A)
| | |
Nominal Extinction 0.56 0.27 0.13 0.08 0.05 | 0.62 0.20 0.10 0.06 0.04 | 0.05 0.03 0.05 0.05 |
(mag/airmass) | | |
| | |
| | |
Aube data May 2005 22.4 21.3 | 22.2 20.9 | |
P200 DrkSky Bckgd(May07) | 21.8 20.7 19.9 18.6 | 15.4 13.9 12.5 |
(mag/arcsec2)
Measured sky Bckgd | | |
e/sec/arcsec2 (2005) LFC 247 741 1173 1420 | 4700 23080 58000 WIRC |
(2007) | 173 520 820 990 | 7300 44000 101000 PHARO |
| | |
ZeroPoint (M1 mag) LFC 24.9 27.3 27.4 27.1 26.1 | 24.6 24.9 24.4 WIRC |
(1 e/sec/P200/filter) | | 24.8 25.1 24.7 PHARO/25mas/std-cross
| | |
DQE Efficiency (above atmosphere to detector) | | |
pixel sq.arcsec Gain e/DN | | |
LFC P200area=17.8 m^2 0.18 2.0 LFC 12% 24% 45% 47% 19% | |
WIRC P200area=13 m^2 0.25 5.3 | | 17% 21% 33% WIRC |
PHARO: P200area=16 m^2 0.025 1.9 | | 23% 29% 50% PHARO |
Refs
1) Hewett et al, MNRAS 367, 1365, 2006 (see eg. Table 7)
2) Fukugita etal. AJ 111, 1748, 1996 (eg. Tables 2)
3) Bessell ARA&A, 43, 293, 2005 (eg. Fig 4)
4) Mag-to-Jy, Spitzer
5) UKIDSS WFCAM filters
6) Cambridge WFCAM filter reference
Intrinsic colors and system inter-relations
7) Bessell & Brett, PASP 100, 1134, 1988 (eg. Tables IV, V)
8) Bessell, PASP 102, 1181, 1990 (eg. Table 2)