The Crab pulsar and its pulsar-wind nebula in the optical and infrared

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Table 4:

Infrared results from the Crab PWN.
Region	Filter	Flux (September 30)	Flux (December 13)	Distance (September 30)^a	Distance (December 13)
Knot	H	2.65(0.15)^b	2.75(0.10)	0.65	0.65
Wisp 1	H	3.15(0.20)^c	3.95(0.20)	4.20	6.00
Wisp 2	H	5.30(0.30)^d	6.25(0.25)	8.40	9.70
Wisp 3	H	4.20(0.25)	4.75(0.20)	13.60	14.00
Anvil Wisp 1	H	3.20(0.15)	3.60(0.15)	5.30	6.30
Knot	$K_{\rm s}$	2.80(0.15)	2.90(0.10)	0.65	0.65
Wisp 1	$K_{\rm s}$	3.50(0.25)	4.45(0.20)	4.20	6.00
Wisp 2	$K_{\rm s}$	5.55(0.30)	6.45(0.25)	8.40	9.70
Wisp 3	$K_{\rm s}$	4.50(0.25)	4.90(0.20)	13.60	14.00
Anvil Wisp 1	$K_{\rm s}$	3.35(0.20)	4.10(0.15)	5.30	6.30

^a In arcseconds from the pulsar; ^b flux in units of ergs/s/cm²/Hz $\times10^{-27}$ ; ^c 1 $\sigma$ uncertainty in the same units; ^d we used E(B-V) = 0.52 and R_V = 3.1 for derreddening.

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