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| Query : 2006A&A...450..339V |
2006A&A...450..339V - Astronomy and Astrophysics, volume 450339-343 (2006/4-4)
The first 8-13 µm spectra of globular cluster red giants: circumstellar silicate dust grains in 47 Tucanae (NGC104).
VAN LOON J.T., McDONALD I., OLIVEIRA J.M., EVANS A., BOYER M.L., GEHRZ R.D., POLOMSKI E. and WOODWARD C.E.
Abstract (from CDS):
We present 8-13µm spectra of eight red giants in the globular cluster 47Tucanae (NGC104), obtained at the European Southern Observatory 3.6m telescope. These are the first mid-infrared spectra of metal-poor, low-mass stars. The spectrum of at least one of these, namely the extremely red, large-amplitude variable V1, shows direct evidence of circumstellar grains made of amorphous silicate.
Abstract Copyright: ∼
Journal keyword(s): stars: AGB and post-AGB - circumstellar matter - stars: evolution - stars: mass-loss - infrared: stars - globular clusters: individual: 47 Tucanae (NGC104)
Simbad objects: 12
| Number of rows : 12 |
| N | Identifier | Otype |
ICRS (J2000) RA |
ICRS (J2000) DEC |
Mag U | Mag B | Mag V | Mag R | Mag I | Sp type |
#ref
1850 - 2026 |
#notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Cl* NGC 104 R 4 | LP* | 00 24 02.5117061396 | -72 05 07.392666529 | 14.196 | 11.486 | 9.347 | ~ | 15 | 0 | ||
| 2 | NGC 104 | GlC | 00 24 05.359 | -72 04 53.20 | 4.09 | ~ | 4158 | 0 | ||||
| 3 | Cl* NGC 104 LW 13 | V* | 00 24 07.86 | -72 04 31.7 | 12.56 | ~ | 13 | 0 | ||||
| 4 | Cl* NGC 104 SAW V8 | LP* | 00 24 08.5921227096 | -72 03 54.756825192 | 13.779 | 10.950 | 9.037 | M2/3II:e | 29 | 0 | ||
| 5 | Cl* NGC 104 SAW V1 | s*r | 00 24 12.6658413648 | -72 06 39.791462184 | 13.435 | M2/3Ibe | 35 | 0 | ||||
| 6 | Cl* NGC 104 SAW V2 | AB* | 00 24 18.5871438504 | -72 07 58.908820188 | 13.08 | 11.59 | M2/3Ib-IIe | 30 | 0 | |||
| 7 | NGC 104 12 | LP* | 00 25 09.0877643352 | -72 02 16.014588648 | 11.917 | ~ | 22 | 0 | ||||
| 8 | 2MASS J00250918-7202397 | LP* | 00 25 09.2112195288 | -72 02 39.547402260 | 13.55 | 11.67 | ~ | 22 | 0 | |||
| 9 | Cl* NGC 104 SAW V3 | Mi* | 00 25 15.9982784808 | -72 03 54.669418812 | 12.485 | M2/3Ib-IIe | 43 | 0 | ||||
| 10 | NAME LMC | G | 05 23 34.6 | -69 45 22 | 0.4 | ~ | 19090 | 0 | ||||
| 11 | * gam Cru | PM* | 12 31 09.95961 | -57 06 47.5684 | 5.01 | 3.23 | 1.64 | -0.02 | -1.44 | M3.5III | 291 | 1 |
| 12 | M 15 | GlC | 21 29 58.33 | +12 10 01.2 | ~ | 3274 | 0 |
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