All names: WB 0924+2509, GLEAM J092723+245619, LAMOST J092722.86+245613.2, CRATES J092723+245625, WISE J092722.86+245613.3, Gaia EDR3 645582581575820032, WISEA J092722.86+245613.3, FIRST J092722.8+245613, IVS B0924+251, SDSS J092722.87+245613.2, BWE 0924+2509, MITG J092720+2456, Gaia DR3 645582581575820032, CLASS J092722.8645+245613.249, SDSS J092722.87+245613.24, Gaia DR2 645582581575820032, TGSSADR J092723.0+245613, GB6 B0924+2509, SDSS J092722.86+245613.2, 87GB 092430.3+250931, NVSS J092722+245612
| 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.