1999A&A...346..205G

Query : 1999A&A...346..205G

1999A&A...346..205G - Astronomy and Astrophysics, volume 346, 205-210 (1999/6-1)

Infrared spectra of young stars in Chamaeleon.

GUERTLER J., SCHREYER K., HENNING T., LEMKE D. and PFAU W.

Abstract (from CDS):

We present infrared spectra covering the wavelength ranges 3.1-5.0µm and 5.8-11.6µm for 9 young stars located in the Chamaeleon I dark cloud. The spectra were taken with the spectrophotometer of ISO (ISOPHOT-S). The spectra of three stars which illuminate reflection nebulae are dominated by the series of strong emission features generally ascribed to polycyclic aromatic hydrocarbons. Three or possibly four stars classified as T Tauri stars show the 10µm silicate band in emission, whereas another object, T42, shows the silicate band in absorption and could be a T Tau star with a disk seen edge-on. The last source, Cha IRN, is a deeply embedded young stellar object. Its spectrum is characterized by deep absorption bands due to various interstellar ices, but shows a very weak silicate band only.

Abstract Copyright: ∼

Journal keyword(s): stars: circumstellar matter - ISM: dust, extinction - ISM: individual objects: Chamaeleon clouds - infrared: ISM: lines and bands

Simbad objects: 17

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Number of rows : 17
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 Hen 3-545 Or* 10 59 06.9715593000 -77 01 40.309233240   12.91 11.136   9.596 K4Ve 216 0
2 Ass Cha T 2-21 TT* 11 06 15.3471261840 -77 21 56.720362608   12.58 11.01   9.35 G5Ve 131 0
3 NAME Cha 1 MoC 11 06 48 -77 18.0           ~ 1154 1
4 V* DI Cha Or* 11 07 20.7276076008 -77 38 07.308086352   12.02 10.74 10.72   G2Ve 168 0
5 HD 97048 Ae* 11 08 03.3109731720 -77 39 17.490777444 9.03 8.76 9.00   8.64 A0Vep 543 0
6 V* HP Cha TT* 11 08 15.216432 -77 33 53.17020   14.33 12.77 12.11   K3+G5e 114 0
7 V* HP Cha A * 11 08 15.4974157248 -77 33 53.446498956           K6e 85 0
8 NAME Cha IR Nebula TT* 11 08 38.702 -77 43 51.54           M5.5 72 0
9 HD 97300 Ae* 11 09 50.0199904704 -76 36 47.718191232   9.41 9.20   8.82 B9V 176 1
10 Ass Cha T 1-23 Or* 11 09 53.4189070920 -76 34 25.652641116   13.9 19.50 15.10 13.52 G9IIIe 96 0
11 V* WW Cha Or* 11 10 00.0802739160 -76 34 57.963853416   14.74 14.10   10.95 ~ 154 0
12 V* CV Cha Or* 11 12 27.7055693328 -76 44 22.302807396   12.02 10.98 10.51 9.76 G9Ve 194 1
13 NAME Chamaeleon Region SFR 11 55 -78.0           ~ 806 0
14 IRAS 12340-7958 LP* 12 37 39.7408011816 -80 15 13.707391932   16.11 14.39 13.63 9.81 ~ 107 0
15 NAME Cha III MoC 12 37.8 -80 15           ~ 140 2
16 NAME Cha II MoC 12 54 -77.2           ~ 337 0
17 NAME Ophiuchus Molecular Cloud SFR 16 28 06 -24 32.5           ~ 3631 1

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