All names: SDSS J232548.65+522957.7, GALEX J232548.5+522957, Gaia DR3 1992445464737752064, Gaia EDR3 1992445464737752064, Gaia DR2 1992445464737752064, SDSS J232548.64+522957.6
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 23 25 48.64 (1) | 23 25 48.64 | 23 25 48.64 (2) | 23 25 48.63 (1) | 23 25 48.65 | |||||
| Declination | 52 29 57.70 (0.9) | 52 29 57.68 | 52 29 57.70 (1) | 52 29 57.68 (0.9) | 52 29 57.66 | |||||
| Spectral type | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 33012.0 (2273) | 31959.0 (1500) | |||||||
| log(g) | [cgs] | 7.99 (0.5) | 7.91 (0.3) | |||||||
| Mass | [M☉] | 0.65 (0.2) | 0.604 (0.2) | |||||||
| log(Luminosity) | [L☉] | -0.71 (0.3) | ||||||||
| Cooling age | [Gyr] | 0.0066 (0.004) | ||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| log(C/H) | ||||||||||
| log(N/H) | ||||||||||
| log(O/H) | ||||||||||
| log(Na/H) | ||||||||||
| log(Mg/H) | ||||||||||
| log(Al/H) | ||||||||||
| log(Si/H) | ||||||||||
| log(P/H) | ||||||||||
| log(S/H) | ||||||||||
| log(Sc/H) | ||||||||||
| log(Ti/H) | ||||||||||
| log(Cr/H) | ||||||||||
| log(Mn/H) | ||||||||||
| log(Fe/H) | ||||||||||
| log(Ni/H) | ||||||||||
| Parallax | [mas] | 1.06 (1) | 1.02 (2) | 1.06 (1) | ||||||
| Distance | [pc] | 942.21 (1212) | 977.07 (1474) | 942.24 (1212) | ||||||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | 5.946143906 (2) | 7.627174818 (3) | 5.946 (2) | ||||||
| Proper motion (declination) | [mas/yr] | 0.997527884 (2) | -0.138271891 (2) | 0.998 (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 | 20.74 (0.06) | 20.70 (0.06) | 20.70 (0.06) | |||||||
| g magnitude | 20.79 (0.03) | 20.78 (0.02) | 20.78 (0.02) | |||||||
| r magnitude | 21.02 (0.04) | 20.99 (0.04) | 20.99 (0.04) | |||||||
| i magnitude | 21.41 (0.08) | 21.18 (0.06) | 21.18 (0.06) | |||||||
| z magnitude | 21.40 (0.3) | 21.40 (0.3) | ||||||||
| G magnitude | 20.89 (0.2) | 20.98 | 20.89 (0.01) | |||||||
| BP magnitude | 20.87 (0.2) | 20.75 | ||||||||
| RP magnitude | 20.98 (0.2) | 20.44 | ||||||||
| Pan g magnitude | 20.89 (0.03) | |||||||||
| Pan r magnitude | 21.09 (0.02) | |||||||||
| Pan i magnitude | 21.20 (0.06) | |||||||||
| Pan z magnitude | 21.33 (0.2) | |||||||||
| Pan y magnitude | ||||||||||
| E(B-V) | 0.181 | |||||||||
* 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.