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| Query : 2003A&A...406L..51C |
2003A&A...406L..51C - Astronomy and Astrophysics, volume 406L51-54 (2003/8-2)
VLT/NACO adaptive optics imaging of the TY CrA system. A fourth stellar component candidate detected.
CHAUVIN G., LAGRANGE A.-M., BEUST H., FUSCO T., MOUILLET D., LACOMBE F., PUGET P., ROUSSET G., GENDRON E., CONAN J.-M., BAUDUIN D., ROUAN D., BRANDNER W., LENZEN R., HUBIN N. and HARTUNG M.
Abstract (from CDS):
We report the detection of a possible subsolar mass companion to the triple young system TY CrA using the NACO instrument at the VLT UT4 during its commissioning. Assuming for TY CrA a distance similar to that of the close binary system HD176386, the photometric spectral type of this fourth stellar component candidate is consistent with an ∼M 4 star. We discuss the dynamical stability of this possible quadruple system as well as the possible location of dusty particles inside or outside the system.
Abstract Copyright: ∼
Journal keyword(s): binaries: eclipsing - stars: pre-main sequence - stars: low-mass - circumstellar matter
Simbad objects: 8
| Number of rows : 8 |
| 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 | V* V856 Sco | Ae* | 16 08 34.2870044544 | -39 06 18.325711332 | 7.66 | 7.41 | 7.05 | 6.92 | A9V_sh | 405 | 0 | |
| 2 | HD 176386 | Or* | 19 01 38.9318002416 | -36 53 26.561166432 | 7.28 | 7.44 | 7.32 | 8.11 | B9Vbs | 149 | 0 | |
| 3 | V* TY CrA | Ae* | 19 01 40.8284458320 | -36 52 33.816176040 | 10.03 | 9.92 | 9.39 | B9e | 301 | 0 | ||
| 4 | NAME Corona Australis Cloud | MoC | 19 01 51 | -36 58.9 | ~ | 554 | 0 | |||||
| 5 | V* R CrA | Ae* | 19 01 53.6764322232 | -36 57 08.299341828 | 12.781 | 12.651 | 11.917 | 11.242 | 10.412 | B5IIIpe | 499 | 2 |
| 6 | V* T CrA | Ae* | 19 01 58.777008 | -36 57 49.93704 | 14.087 | 13.130 | 11.823 | 10.678 | F5? | 179 | 0 | |
| 7 | CD-37 13034 | * | 19 03 12.0151533096 | -37 29 10.548940344 | 10.66 | 10.07 | B8V | 3 | 0 | |||
| 8 | V* EK Cep | SB* | 21 41 21.5042268336 | +69 41 34.112933916 | 7.95 | 7.89 | A0V | 222 | 0 |
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