1998A&A...337..465L

Query : 1998A&A...337..465L

1998A&A...337..465L - Astronomy and Astrophysics, volume 337, 465-471 (1998/9-2)

A near-infrared study of IRAS-selected T Tauri stars in Chamaeleon II.

LARSON K.A., WHITTET D.C.B., PRUSTI T. and CHIAR J.E.

Abstract (from CDS):

We use near-infrared photometry of objects detected by IRAS to confirm four new T Tauri stars in Chamaeleon II. Observations of these sources generally agree with the T Tauri signatures of locus in the near-infrared color-color diagram, mid-infrared spectral index, and IRAS far-infrared colors. Infrared properties of these stars are similar to optically selected T Tauri stars in Cha II, but are on average more luminous and are located at the north-east boundary of star formation in the cloud. We compare results of infrared color methods used to detect T Tauri stars in Cha II with results of other methods based on optical and X-ray emission.

Abstract Copyright: ∼

Journal keyword(s): stars: pre-main-sequence - ISM: individual objects: Cha II - infrared: stars

CDS comments: Table 1: numbering 'NN' = [PWA92] NN (found as 'L NN' later, not to be used).

Simbad objects: 21

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Number of rows : 21
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 IRAS 12448-7650 LP? 12 48 25.7049616224 -77 06 36.747495432   17.25 15.14 14.33   M0.5 17 0
2 [PWA92] 2 * 12 48 28.5267912864 -76 47 11.660811864           ~ 3 0
3 [PWA92] 4 * 12 50 41.4 -77 00 15           ~ 2 0
4 IRAS S12486-7744 LP* 12 52 17.4688927872 -78 00 37.553579460   16.38 14.54 13.95   ~ 5 0
5 IRAS Z12488-7658 LP* 12 52 30.6218360736 -77 15 13.123459980           M5.5 13 0
6 V* DK Cha TT* 12 53 17.2111480272 -77 07 10.736046012           F0e 142 0
7 NAME Cha II MoC 12 54 -77.2           ~ 337 0
8 IRAS F12520-7631 * 12 55 39.8 -76 47 39           ~ 2 0
9 IRAS 12535-7623 Y*O 12 57 11.6949853032 -76 40 11.291754000   17.20 15.00     M0e 42 0
10 IRAS F12555-7638 LP? 12 59 15.8227225272 -76 54 45.696513600           ~ 6 0
11 IRAS 12556-7731 LP* 12 59 26.3852196576 -77 47 08.619604404   15.039 13.136 12.748   M5 24 0
12 Sz 49 Y*O 13 00 53.2473650928 -76 54 15.206649912   15.6       M0.5 43 0
13 CD-76 565 * 13 01 56.7415598160 -77 33 06.906088728   11.68 9.43     ~ 4 0
14 V* CM Cha TT* 13 02 13.5244979592 -76 37 57.818696016   14.70 13.40     K7IVe 42 0
15 IRAS F12584-7702 * 13 02 14.3 -77 18 28           ~ 3 0
16 IRAS 12589-7646 Y*O 13 02 47.7032642640 -77 02 39.973174116       13.75 9.98 M4 15 0
17 IRAS 13003-7735 * 13 04 16.9 -77 51 13           ~ 3 0
18 IRAS 13005-7633 mul 13 04 23.96 -76 50 02.0           ~ 11 0
19 [PWA92] 28 * 13 07 47.3995189615 -77 05 43.029932673   13.797 11.881 11.337   ~ 4 0
20 [PWA92] 29 * 13 08 53.7 -77 17 55           ~ 2 0
21 CHIIXR 37 Y*O 13 09 09.6 -77 09 52           ~ 6 1

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