All names: WB 0924+2509, Gaia DR2 645582581575820032, GB6 B0924+2509, BWE 0924+2509, IVS B0924+251, FIRST J092722.8+245613, Gaia DR3 645582581575820032, CRATES J092723+245625, TGSSADR J092723.0+245613, 87GB 092430.3+250931, CLASS J092722.8645+245613.249, WISEA J092722.86+245613.3, SDSS J092722.86+245613.2, WISE J092722.86+245613.3, NVSS J092722+245612, SDSS J092722.87+245613.24, SDSS J092722.87+245613.2, LAMOST J092722.86+245613.2, Gaia EDR3 645582581575820032, GLEAM J092723+245619, MITG J092720+2456
| Parameter | Unit | Gaia EDR3 | SDSS DR12 | Gaia DR2 | Stilism | Kepler et al. 2016 | Simbad |
|---|---|---|---|---|---|---|---|
| Right ascension | 09 27 22.86 (0.2) | 09 27 22.87 | 09 27 22.86 (0.3) | 09 27 22.86 (0.2) | |||
| Declination | 24 56 13.25 (0.2) | 24 56 13.23 | 24 56 13.25 (0.3) | 24 56 13.26 (0.2) | |||
| Spectral type | DC: | ||||||
| Effective temperature | [K] | 5093.0 (500) | |||||
| log(g) | [cgs] | 8.00 (0) | |||||
| Mass | [M☉] | ||||||
| log(Luminosity) | [L☉] | ||||||
| Cooling age | [Gyr] | ||||||
| log(H/He) | |||||||
| log(C/He) | |||||||
| log(Ca/He) | |||||||
| log(Ca/H) | |||||||
| Parallax | [mas] | 0.07 (0.3) | 0.13 (0.4) | 0.07 (0.3) | |||
| Distance | [pc] | 14486.64 (58696) | 7841.51 (22100) | 14492.75 (58748) | |||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | 0.458349481 (0.3) | 0.382462687 (0.6) | 0.458 (0.3) | |||
| Proper motion (declination) | [mas/yr] | -0.431704276 (0.2) | 0.093118604 (0.5) | -0.432 (0.2) | |||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | |||||||
| V magnitude | |||||||
| R magnitude | |||||||
| I magnitude | |||||||
| J magnitude | |||||||
| H magnitude | |||||||
| K magnitude | |||||||
| u magnitude | 20.25 (0.04) | 20.32 (0.05) | 20.27 (0.05) | ||||
| g magnitude | 19.53 (0.01) | 19.55 (0.02) | 19.55 (0.01) | ||||
| r magnitude | 19.01 (0.01) | 19.03 (0.01) | 19.02 (0.01) | ||||
| i magnitude | 18.65 (0.01) | 18.64 (0.02) | 18.66 (0.01) | ||||
| z magnitude | 18.31 (0.03) | 18.33 (0.03) | 18.34 (0.03) | ||||
| G magnitude | 19.02 (0.04) | 18.95 | 19.02 (0.008) | ||||
| BP magnitude | 19.50 (0.04) | 19.30 | |||||
| RP magnitude | 18.49 (0.04) | 18.32 | |||||
| Pan g magnitude | |||||||
| Pan r magnitude | |||||||
| Pan i magnitude | |||||||
| Pan z magnitude | |||||||
| Pan y magnitude | |||||||
| E(B-V) | 0.030 | ||||||
* Constant surface field
Spectra without link are available upon request
The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.