Table · dataset · 2024
UBV & Gaia DR3 photometry of King 6 and NGC 1605
Listed in IVOA Registry (Virtual Observatory)
A detailed analysis of ground-based CCD UBV photometry and space-based Gaia Data Release 3 (DR3) data for the open clusters King-6 and NGC-1605 was performed.
Description
Using the pyUPMASK algorithm on Gaia astrometric data to estimate cluster membership probabilities, we have identified 112 stars in King 6 and 160 stars in NGC-1605 as the statistically most likely members of each cluster. We calculated reddening and metallicity separately using UBV two-color diagrams to estimate parameter values via independent methods.
The color excess E(B-V) and photometric metallicity [Fe/H] for King-6 are 0.515{+/-}0.030mag and 0.02{+/-}0.20dex, respectively. For NGC-1605, they are 0.840{+/-}0.054mag and 0.01{+/-}0.20dex, respectively. With reddening and metallicity kept constant, we have estimated the distances and cluster ages by fitting PARSEC isochrones to color-magnitude diagrams based on the Gaia and UBV data.
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The photometric distances are 723{+/-}34pc for King-6 and 3054{+/-}243pc for NGC-1605. The cluster ages are 200{+/-}20Myr and 400{+/-}50 Myr for King-6 and NGC-1605, respectively. The mass function slopes were found to be 1.29{+/-}0.18 and 1.63{+/-}0.36 for King-6 and NGC-1605, respectively.
These values are in good agreement with the value of Salpeter. The relaxation times were estimated as 5.8Myr for King-6 and60 Myr for NGC-1605. These indicate that both clusters are dynamically relaxed since these times are less than the estimated cluster ages.
A Galactic orbit analysis shows that both clusters formed outside the solar circle and are members of the young thin-disk population.
Links
Where it is published
- Reference page cdsarc.cds.unistra.fr/viz-bin/cat/J/AJ/166/263 ↗
landing page · from IVOA Registry
Documentation and papers
- ADS 2023AJ....166..263G ui.adsabs.harvard.edu/abs/2023AJ....166..263G ↗
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/166/263 ↗
catalogue entry · from IVOA Registry
Topics
- Stated by source
- Optical
- From keywords
- Astronomy & Astrophysics
Provenance · 1 source records, 8 field assertions
| Source | Key | Last seen | Raw |
|---|---|---|---|
| IVOA Registry (Virtual Observatory) | ivo://cds.vizier/j/aj/166/263 | 15 d ago | JSON v1 |
| Field | Assertion | Extractor | Evidence |
|---|---|---|---|
| access_level | source · IVOA Registry | connector:ivoa_registry@1.0.0 | |
| concepts[field].local:field:astronomy | mapping · 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 |