2020A&A...635L..11L

Query : 2020A&A...635L..11L

2020A&A...635L..11L - Astronomy and Astrophysics, volume 635L11-11 (2020/3-1)

Disk of 2MASS 15491331-3539118 = GQ Lup C as seen by HST and WISE.

LAZZONI C., GRATTON R., ALCALA J.M., DESIDERA S., FRASCA A., MANARA C.F., MESA D., RIGLIACO E., VIGAN A. and ZURLO A.

Abstract (from CDS):


Aims. Very recently, a second companion on a wider orbit has been discovered around GQ Lup. This is a low-mass accreting star that is partially obscured by a disk seen at high inclination. If detected, this disk may be compared to the known disk around the primary.
Methods. We detected this disk on archive HST and WISE data.
Results. The extended spectral energy distribution provided by these data confirms the presence of accretion from Hα emission and UV excess, and shows an IR excess attributable to a warm disk. In addition, we resolved the disk on the HST images. It is found to be roughly aligned with the disk of the primary. Both of them are roughly aligned with the Lupus I dust filament containing GQ Lup.

Abstract Copyright: © ESO 2020

Journal keyword(s): stars: individual: GQ Lup - stars: individual: 2MASS 15491331-3539118 - techniques: high angular resolution - protoplanetary disks

Simbad objects: 5

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Number of rows : 5
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 Lupus 1 Cld 15 43 02.1 -34 09 06           ~ 320 0
2 USNO-B1.0 0543-00373323 * 15 49 11.7457314672 -35 39 00.474783084   19.3   17.8   ~ 4 1
3 V* GQ Lup B LM* 15 49 12.05 -35 39 05.1           M9e 165 1
4 V* GQ Lup Or* 15 49 12.1053805848 -35 39 05.058139788 12.19 12.76 11.66 11.15   K7Ve 334 1
5 V* GQ Lup C LM* 15 49 13.3077704592 -35 39 11.761171488           M4 11 1

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