Binary Masses (gaiadr3.binary_masses)
The table has 195315 rows, 13 columns.
Description
Masses derived from the non-single stars (NSS) solutions with orbital parameters in table gaiadr3.nss_two_body_orbit. The table below is described in detail in DR3-DPACP-100. The table presents the different types of NSS orbital solutions combined and which parameters each combination allows to constrain:
| combinationMethod | m1 | m2 | fluxratio |
| Orbital+SB2 | ✓ | ✓ | ✓ |
| EclipsingSpectro(SB2) | ✓ | ✓ | |
| Eclipsing+SB2 | ✓ | ✓ | |
| AstroSpectroSB1+M1 | ✓ | ✓ | |
| Orbital+SB1+M1 | ✓ | ✓ | |
| EclipsingSpectro+M1 | ✓ | ||
| Eclipsing+SB1+M1 | ✓ | ||
| SB2+M1 | ✓ | ||
| Orbital+M1 | lower/upper | ||
| SB1+M1 | lower |
Attribution
If you have used Gaia data in your research, please use the following acknowledgement:
This work has made use of data from the European Space Agency (ESA) mission Gaia (https://www.cosmos.esa.int/gaia), processed by the Gaia Data Processing and Analysis Consortium (DPAC, https://www.cosmos.esa.int/web/gaia/dpac/consortium). Funding for the DPAC has been provided by national institutions, in particular the institutions participating in the Gaia Multilateral Agreement.
More information can be found on the credit and citation instructions page.
Columns
| Name | Type | UCD | Unit | Description |
|---|---|---|---|---|
| source_id | long |
meta.id meta.main meta.ref |
Source Identifier |
|
| m1 | float | phys.mass | solMass |
Primary mass |
| m1_lower | float |
phys.mass stat.value |
solMass |
Lower confidence level (16%) of the primary mass |
| m1_upper | float |
phys.mass stat.value |
solMass |
Upper confidence level (84%) of the primary mass |
| m2 | float | phys.mass | solMass |
Secondary mass |
| m2_lower | float |
phys.mass stat.value |
solMass |
Lower confidence level (16%) of the secondary mass |
| m2_upper | float |
phys.mass stat.value |
solMass |
Upper confidence level (84%) of the secondary mass |
| fluxratio | float |
phys.luminosity arith.ratio |
Flux ratio of the secondary to the primary in the G-band |
|
| fluxratio_lower | float |
stat.value phys.luminosity arith.ratio |
Lower value of the flux ratio |
|
| fluxratio_upper | float |
stat.value phys.luminosity arith.ratio |
Upper value of the flux ratio |
|
| combination_method | char | meta.record |
Combination of NSS solutions used |
|
| m1_ref | char | meta.record |
Reference for the primary mass |
|
| flag | char | meta.record |
Flag |