Table · dataset · 2023
Radial velocity and rotation period of HIP 33069b
Listed in IVOA Registry (Virtual Observatory)
We present the discovery and characterization of HIP33609b, a transiting warm brown dwarf orbiting a late B-star, discovered by NASA's Transiting Exoplanet Survey Satellite as TOI-588b.
Description
HIP33609b is a large (Rb=1.580_-0.070_^+0.074^RJup) brown dwarf on a highly eccentric (e=0.560_-0.031_^+0.029^) orbit with a 39days period. The host star is a bright (V=7.3mag), Teff=10400_-660_^+800^K star with a mass of M*=2.383_-0.095_^+0.10^M{sun} and radius of R*=1.863_-0.082_^+0.087^R{sun}, making it the hottest transiting brown dwarf host star discovered to date.
We obtained radial velocity measurements from the CHIRON spectrograph confirming the companion's mass of Mb=68.0_-7.1_^+7.4^MJup as well as the host star's rotation rate (vsini*=55.6{+/-}1.8km/s). We also present the discovery of a new comoving group of stars, designated as MELANGE-6, and determine that HIP33609 is a member. We use a combination of rotation periods and isochrone models fit to the cluster members to estimate an age of 150{+/-}25Myr.
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With a measured mass, radius, and age, HIP33609b becomes a benchmark for substellar evolutionary models.
Links
Where it is published
- Reference page cdsarc.cds.unistra.fr/viz-bin/cat/J/AJ/165/268 ↗
landing page · from IVOA Registry
Documentation and papers
- ADS 2023AJ....165..268V ui.adsabs.harvard.edu/abs/2023AJ....165..268V ↗
publication · from IVOA Registry
Catalogue records · 2
- VOResource record dc.g-vo.org/oai.xml?verb=GetRecord&metadataPrefix=ivo_vor&identifier=ivo%3… ↗
metadata API · from IVOA Registry
- Registry record (GAVO) dc.g-vo.org/I/cds.vizier/j/aj/165/268 ↗
catalogue entry · from IVOA Registry
Topics
- From keywords
- Astronomy & Astrophysics
- Inferred from text
- Astronomical sciences 69%
Provenance · 1 source records, 10 field assertions
| Source | Key | Last seen | Raw |
|---|---|---|---|
| IVOA Registry (Virtual Observatory) | ivo://cds.vizier/j/aj/165/268 | 13 d ago | JSON v1 |
| Field | Assertion | Extractor | Evidence |
|---|---|---|---|
| access_level | source · IVOA Registry | connector:ivoa_registry@1.0.0 | |
| concepts[field].anzsrc:group:5101 | enrichment · IVOA Registry | taxonomy-embedding@1.1.0 | title+keywords+description (69%) |
| concepts[field].local:field:astronomy | mapping · IVOA Registry | connector:ivoa_registry@1.0.0 | |
| concepts[modality].ivoa_waveband:infrared | source · IVOA Registry | connector:ivoa_registry@1.0.0 | |
| concepts[modality].ivoa_waveband:optical | source · IVOA Registry | connector:ivoa_registry@1.0.0 | |
| description | source · IVOA Registry | connector:ivoa_registry@1.0.0 | rr.resource.res_description |
| license_text | source · IVOA Registry | connector:ivoa_registry@1.0.0 | |
| publication_date | source · IVOA Registry | connector:ivoa_registry@1.0.0 | |
| title | source · IVOA Registry | connector:ivoa_registry@1.0.0 | rr.resource.res_title |
| updated_date | source · IVOA Registry | connector:ivoa_registry@1.0.0 |