Table 3: Optical and IR properties for all Cha I members and candidate members in the XMM-Newton FOV. The H${\alpha }$ equivalent width ( $W_{\rm H\alpha }$) is negative for emission. If more than one H${\alpha }$ measurement is available for a given star we list the maximum and the minimum value observed. The T Tauri type given in Col. 6 of the same table is assigned on the basis of $W_{\rm H\alpha }$ using the criteria put forth by Martin98.1. Columns 7 and 8 represent the extinction and magnitude used to derive $L_{\rm bol}$; referring to the band given in Col. 9. The bolometric luminosity, effective temperature, age and mass have been computed as described in Sect. 3.3. $L_{\rm bol}$ has been calculated for d=160 pc. We assign an age of $5 \times 10^5$ yr to objects on the birthline.
Designation SpT Ref. $W_{\rm H\alpha }$ Ref. TTS AJ/I J/I Band Ref. $\log{(L_{\rm bol}/L_\odot)}$ $\log{T_{\rm eff}}$ Age Mass
      [Å]     [mag] [mag]       [K] [Myr] [${M_\odot}$]
Spectroscopically confirmed Cha I members
KG 2001-19 M 5 (1) -7.3 (1) W 0.3 12.24 J (1) -1.26 3.51 4.0 0.18
CHXR-21 K7 (2) -8.0...+1.0 (7)/(2) C 1.0 11.11 J (5) -0.36 3.61 6.0 0.8
HM 19 M 3.5 (3) -5.0...-3.0 (3)/(7) W 0.8 11.29 J (5) -0.63 3.54 2.0 0.3
VW Cha M 0.5 (4) -146.9...-60.0 (3)/(7) C 0.8 8.63 J (5) +0.52 3.59 <1.0 0.6
CHXR-74 M 4.5 (4) -8.3...-13.0 (8)/(4) C 0.9 11.55 J (5) -0.72 3.53 1.5 0.25
BYB 18 M 4 (5) - - W 0.5 11.80 J (5) -0.98 3.53 3.0 0.25
KG 2001-96 M 6.5 (1) - - W 0.5 12.36 J (1) -1.24 3.48 $\leq$2.0 0.11
HD 97048 A0 (3) -30.0...-37.0 (3)/(7) - 0.4* 7.41 J (3) +1.58 4.02 2.0 2.5
CCE 98-19 M 2.5 (5) - - W 2.9 12.59 J (5) -0.25 3.55 1.0 0.35
CHXR-73 M 4.5 (4) - - W 1.8 12.60 J (5) -0.78 3.53 2.0 0.25
CHXR-76=BYB 34 M 5 (4) -5.5...-7.2 (4)/(8) W 0.8 12.19 J (5) -1.04 3.51 2.5 0.18
CHXR-26 K7 (2) - - W 2.3 11.41 J (5) +0.04 3.61 2.0 0.8
CHXR-47 K3 (2) -0.4 (9) W 1.4 8.45 J (2) +0.93 3.67 <0.5 1.5
CHX-10a M 1 (2) <-0.2 (10) W 0.8 8.37 J (2) +0.61 3.57 <0.5 0.5
CHXR-15 M 5 (2) -8.0 (9) W 0.1 11.21 J (2) -0.93 3.51 2.0 0.18
KG 2001-101 M 1 (1) -178 (1) C 2.1 12.77 J (1) -0.63 3.57 4.0 0.5
Ced110-IRS2 G2 (3) <-1.2 (3) W 1.0* 7.64 J (3) +1.26 3.77 1.0 2.25
WX Cha K7 (3) -65.5...-90.0 (3)/(7) C 0.6* 10.00 J (3) -0.07 3.61 2.5 0.8
CHXR-78 C M 5.5 (4) -3.2...-13.4 (4)/(8) C 0.6 12.36 J (5) -1.19 3.51 3.0 0.18
CCE 98-23 M 1 (5) -   C 8.6 17.55 J (5),(11) +0.06 3.57 <1.0 0.45
Sz 30 M 0 (3) -5.2 (3) W 0.3* 9.70 J (3)/(12) -0.11 3.59 1.5 0.6
CHXR-25 M 4 (2) 1.2 (2) W 0.0 11.69 J (2) -1.14 3.53 5.0 0.25
CHXR-22 E M 3 (2) - - W 1.8 10.18 J (2) +0.22 3.54 0.5 0.3
CHXR-22 W K7 (2) - - W 1.9 12.56 J (2) -0.58 3.61 10.0 0.8
HM 15 M 1 (4) -47.9...-70.0 (3)/(4) C 1.3 10.22 J (5) +0.07 3.57 <1.0 0.5
CCE 98-32 M 2 (5) - - C 3.4 11.51 J (5) +0.39 3.55 0.5 0.35
HM 16 K7 (4) -61.0...-75.0 (4)/(7) C 2.3 9.71 J (5) +0.72 3.61 <0.5 0.8
LH${\alpha }$332-17 G2 (3) -17.2 (3) C 1.2 7.99 J (5) +1.20 3.77 1.5 2.4
Glass I K7 (4) -4.0...-11.0 (3)/(4) W 1.5 8.58 J (5) +0.86 3.61 <0.5 0.8
CHXR-20 M 0 (2) 0.1 (2) W 0.6 9.88 J (2) -0.06 3.59 1.0 0.6
ChaH${\alpha }$1 M 7.5 (6) -34.5...-59.0 (8)/(4) C 0.11 16.17 I (6) -1.95 3.46 5.0 0.06
ChaH${\alpha }$2 M 6.5 (6) -39.0...-71.0 (6)/(8) C 0.40 15.08 I (6) -1.58 3.48 4.0 0.09
ChaH${\alpha }$3 M 7 (6) -4.5...-14.4 (6)/(8) W 0.16 14.89 I (6) -1.45 3.46 $\leq$1.6 0.07
ChaH${\alpha }$4 M 6 (6) -4.7...-9.7 (4)/(8) W 0.29 14.34 I (6) -1.33 3.48 2.5 0.10
ChaH${\alpha }$5 M 6 (6) -7.6...-8.0 (4)/(8) W 0.47 14.68 I (6) -1.40 3.48 3.2 0.10
ChaH${\alpha }$6 M 7 (6) -59.0...-61.7 (6)/(8) C 0.13 15.13 I (6) -1.56 3.46 1.6 0.06
ChaH${\alpha }$7 M 8 (6) -35.0...-45.0 (8)/(6) C 0.14 16.86 I (6) -2.18 3.44 6.3 0.04
ChaH${\alpha }$8 M 6.5 (6) -8.4...-9.0 (8)/(6) W 0.34 15.47 I (6) -1.76 3.48 5.0 0.10
ChaH${\alpha }$9 M 6 (6) -16.0 (6) W 0.76 17.34 I (6) -2.34 3.48 30.0 0.09
ChaH${\alpha }$10 M 7.5 (6) -9.0 (6) W 0.05 16.90 I (6) -2.27 3.46 12.0 0.06
ChaH${\alpha }$11 M 8 (6) -23.0 (6) C 0.0 17.35 I (6) -2.44 3.44 12.0 0.04
ChaH${\alpha }$12 M 7 (6) -20.0 (6) C 0.5: 15.58 I (6) -1.59 3.46 1.6 0.06
ChaH${\alpha }$13 M 5 (6) -11.0 (6) W 0.89 14.09 I (6) -1.06 3.51 2.0 0.18
IR Nebula M 5 (5) - -   3.2 11.12 J (5) +0.34 3.51 <0.5 0.18
Photometric Cha I candidates
UX Cha M 1.5   <-5.0 (7) W 0.9 10.81 J 2 MASS -0.32 3.57 2.0 0.4
KG 2001-78 A2   - -   0.8 7.73 J 2 MASS +1.53 3.95 4.0 2.0
KG 2001-5 M 1   - -   0.2 11.31 J (12) -0.80 3.57 3.0 0.45
2M 110955-774045 M 1   - -   1.5 15.90 J 2 MASS -2.12 3.57    
2M 110507-773338 M 3   - -   1.2 15.96 J 2 MASS -2.34 3.54    
2M 110824-773422 M 0.5   - -   0.8 14.37 J 2 MASS -1.78 3.59    
2M 110813-773410 M 2   - -   0.9 16.24 J 2 MASS -2.51 3.55    
2M 110506-773944 M 0   - -   2.3 13.29 J 2 MASS -0.74 3.59 8.0 0.6
* AJ calculated from the literature values for $A_{\rm V}$ using the RL85-extinction law.
(1) - Comeron04.1; (2) - Lawson96.1; (3) - Gauvin92.1; (4) - Comeron99.1; (5) - Gomez03.1; (6) - Comeron00.1; (7) - Hartigan93.1;
(8) - Hartigan93.1; (9) - Neuhaeuser99.1; (10) - Walter92.1; (11) - Cambresy98.1; (12) - Kenyon01.1.

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