Table 2: Literature infrared photometry used in this work. Columns 3-7 list the magnitudes in the J (1.25 $\mu$ m), H (1.65 $\mu$ m), K (2.2 $\mu$ m), L (3.6 $\mu$ m), and M (4.8 $\mu$ m) photometric bands, with references in Col. 8. The listed reference codes are: BO: Bouchet et al. (1991); CA: Carter (1990); CO: Cohen (1973); CU: Cutri et al. (2003); DW: de Winter et al. (2001); DW2: de Winter et al. (1996); EI: Eiroa et al. (2001); FO: Fouque et al. (1992); GL: Glass & Penston (1974); HI: Hillenbrand et al. (1992); LA: Lawrence et al. (1990); MA: Malfait et al. (1998a); ME: Mendoza (1967); ST: Strom et al. (1990); SY: Sylvester et al. (1996); VR: Vrba et al. (1976); WA: Waters et al. (1988). Columns 9-12 contain the infrared fluxes in Jy from the IRAS Point Source Catalogue (Joint IRAS Science Working Group 1988).
(1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12)

# star J H K L M References 12 $\mu$ m 25 $\mu$ m 60 $\mu$ m 100 $\mu$ m

1
AB Aur 6.10 5.10 4.40 3.30 2.90 HI 27.16 48.10 105.60 114.10

2 UX Ori 8.03 7.43 6.71 5.61 5.32 DW, 26.2.1986 2.68 3.69 2.85 $\sim$ 3.76

3 HD 36112 7.44 6.70 5.90 4.75 4.47 MA 5.59 12.59 27.98 18.95

4 HK Ori 9.52 8.38 7.29 5.87 5.10 HI 3.80 4.08 <1.64 <70.37

5 HD 245185 9.34 8.87 8.26 7.46 6.23 HI 4.00 5.96 4.97 3.61

6 V380 Ori 8.25 7.10 6.03 4.44 3.61 J-L ST; M ME 8.61 8.85 <75.90 <38.59

7 HD 37357 8.31 7.88 7.24 6.33 MA 2.01 2.79 $\sim$ 2.90 $\sim$ 20.29

8 HD 37806 7.38 6.68 5.77 4.23 3.79 MA 11.02 9.40 <5.18 <33.98

9 HD 95881 7.50 6.79 5.87 4.28 3.71 MA 9.14 6.87 1.45 <1.09

10 HD 97048 7.30 6.75 6.04 4.61 4.56 HI 14.49 40.34 69.91 <250.10

11 HD 100453 6.97 6.32 5.52 4.20 3.79 MA 7.23 33.59 39.36 23.86

12 HD 100546 6.43 5.88 5.20 4.15 3.80 MA 65.78 242.60 165.20 98.56

13 HD 101412 8.70 8.24 7.25 5.81 5.08 DW 3.22 3.09 $\sim$ 1.69 $\sim$ 10.52

14 HD 104237 5.75 5.14 4.42 3.05 2.58 MA 23.65 23.05 14.72 9.58

15 HD 135344 7.44 6.72 5.96 4.76 4.69 MA 1.59 6.71 25.61 25.69

16 HD 139614 7.75 7.34 6.76 5.68 5.49 MA 4.11 18.14 19.30 13.94

17 HD 142666 7.34 6.72 6.04 4.97 4.69 MA 8.57 11.21 7.23 5.46

18 HD 142527 6.65 5.94 5.20 3.89 3.50 MA 10.38 21.23 105.10 84.70

19 HD 144432 7.21 6.69 6.14 5.14 4.90 MA 7.53 9.36 5.76 3.29

20 HD 144668 5.83 5.18 4.38 3.08 2.54 HI 18.05 14.51 $\sim$ 14.36 <63.25

21 HD 150193 7.05 6.37 5.64 4.37 3.93 MA 17.61 18.10 8.13 <16.25

22 HD 163296 6.24 5.52 4.70 3.52 3.14 MA 18.20 20.99 28.24 <40.62

23 HD 169142 7.43 7.01 6.53 5.64 5.57 MA 2.95 18.43 29.57 23.42

24 HD 179218 6.99 6.64 5.91 4.68 4.18 J, H EI; K-M LA 23.44 43.63 29.92 17.35

**Table 2:** Literature infrared photometry used in this work. Columns 3-7 list the magnitudes in the J (1.25 $\mu$ m), H (1.65 $\mu$ m), K (2.2 $\mu$ m), L (3.6 $\mu$ m), and M (4.8 $\mu$ m) photometric bands, with references in Col. 8. The listed reference codes are: BO: Bouchet et al. (1991); CA: Carter (1990); CO: Cohen (1973); CU: Cutri et al. (2003); DW: de Winter et al. (2001); DW2: de Winter et al. (1996); EI: Eiroa et al. (2001); FO: Fouque et al. (1992); GL: Glass & Penston (1974); HI: Hillenbrand et al. (1992); LA: Lawrence et al. (1990); MA: Malfait et al. (1998a); ME: Mendoza (1967); ST: Strom et al. (1990); SY: Sylvester et al. (1996); VR: Vrba et al. (1976); WA: Waters et al. (1988). Columns 9-12 contain the infrared fluxes in Jy from the IRAS Point Source Catalogue (Joint IRAS Science Working Group 1988).
(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)	(9)	(10)	(11)	(12)
#	star	J	H	K	L	M	References	12 $\mu$ m	25 $\mu$ m	60 $\mu$ m	100 $\mu$ m
1	AB Aur	6.10	5.10	4.40	3.30	2.90	HI	27.16	48.10	105.60	114.10
2	UX Ori	8.03	7.43	6.71	5.61	5.32	DW, 26.2.1986	2.68	3.69	2.85	$\sim$ 3.76
3	HD 36112	7.44	6.70	5.90	4.75	4.47	MA	5.59	12.59	27.98	18.95
4	HK Ori	9.52	8.38	7.29	5.87	5.10	HI	3.80	4.08	<1.64	<70.37
5	HD 245185	9.34	8.87	8.26	7.46	6.23	HI	4.00	5.96	4.97	3.61
6	V380 Ori	8.25	7.10	6.03	4.44	3.61	J-L ST; M ME	8.61	8.85	<75.90	<38.59
7	HD 37357	8.31	7.88	7.24	6.33		MA	2.01	2.79	$\sim$ 2.90	$\sim$ 20.29
8	HD 37806	7.38	6.68	5.77	4.23	3.79	MA	11.02	9.40	<5.18	<33.98
9	HD 95881	7.50	6.79	5.87	4.28	3.71	MA	9.14	6.87	1.45	<1.09
10	HD 97048	7.30	6.75	6.04	4.61	4.56	HI	14.49	40.34	69.91	<250.10
11	HD 100453	6.97	6.32	5.52	4.20	3.79	MA	7.23	33.59	39.36	23.86
12	HD 100546	6.43	5.88	5.20	4.15	3.80	MA	65.78	242.60	165.20	98.56
13	HD 101412	8.70	8.24	7.25	5.81	5.08	DW	3.22	3.09	$\sim$ 1.69	$\sim$ 10.52
14	HD 104237	5.75	5.14	4.42	3.05	2.58	MA	23.65	23.05	14.72	9.58
15	HD 135344	7.44	6.72	5.96	4.76	4.69	MA	1.59	6.71	25.61	25.69
16	HD 139614	7.75	7.34	6.76	5.68	5.49	MA	4.11	18.14	19.30	13.94
17	HD 142666	7.34	6.72	6.04	4.97	4.69	MA	8.57	11.21	7.23	5.46
18	HD 142527	6.65	5.94	5.20	3.89	3.50	MA	10.38	21.23	105.10	84.70
19	HD 144432	7.21	6.69	6.14	5.14	4.90	MA	7.53	9.36	5.76	3.29
20	HD 144668	5.83	5.18	4.38	3.08	2.54	HI	18.05	14.51	$\sim$ 14.36	<63.25
21	HD 150193	7.05	6.37	5.64	4.37	3.93	MA	17.61	18.10	8.13	<16.25
22	HD 163296	6.24	5.52	4.70	3.52	3.14	MA	18.20	20.99	28.24	<40.62
23	HD 169142	7.43	7.01	6.53	5.64	5.57	MA	2.95	18.43	29.57	23.42
24	HD 179218	6.99	6.64	5.91	4.68	4.18	J, H EI; K-M LA	23.44	43.63	29.92	17.35

Source LaTeX | All tables | In the text

	1 Introduction
	2 The sample stars
	3 Observations and data reduction
	4 Description of the observations
	5 Analysis
	6 Discussion
	7 Conclusions
	References