All names: SDSS J153103.01+333817.2, Gaia DR2 1373881186687373696, CBS 250, Gaia DR3 1373881186687373696, Gaia EDR3 1373881186687373696, TIC 16878307, FBS B 569, LAMOST J153103.01+333817.2, 2MASS J15310301+3338172, WDJ153103.02+333817.22, CBS250, FBS 1529+338
| Parameter | Unit | Gaia EDR3 | Kilic et al. 2026a | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|---|
| Right ascension | 15 31 03.00 (0.02) | 15 31 03.01 | 15 31 03.02 (0.02) | |||
| Declination | 33 38 17.23 (0.03) | 33 38 17.21 | 33 38 17.22 (0.03) | |||
| Spectral type | sd | sdB | sdB | |||
| Effective temperature | [K] | 31942.0 | 32508.0 (85) | |||
| log(g) | [cgs] | 5.54 | 5.83 (0.02) | |||
| Mass | [M☉] | 0.003 | ||||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | |||||
| log(H/He) | 2.0 | |||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| log(Li/H) | ||||||
| log(Be/H) | ||||||
| log(B/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(Cl/H) | ||||||
| log(K/H) | ||||||
| log(Sc/H) | ||||||
| log(Ti/H) | ||||||
| log(V/H) | ||||||
| log(Cr/H) | ||||||
| log(Mn/H) | ||||||
| log(Fe/H) | ||||||
| log(Co/H) | ||||||
| log(Ni/H) | ||||||
| log(Cu/H) | ||||||
| log(Sr/H) | ||||||
| Parallax | [mas] | 0.88 (0.03) | 0.78 (0.05) | 0.88 (0.03) | ||
| Distance | [pc] | 1132.76 (42) | 1281.07 (83) | 1132.76 (42) | ||
| Composition | H | |||||
| Proper motion (right ascension) | [mas/yr] | -15.63 (0.03) | -15.559 (0.06) | -15.63 (0.03) | ||
| Proper motion (declination) | [mas/yr] | 0.528 (0.04) | 0.577 (0.09) | 0.528 (0.04) | ||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | 14.00 | |||||
| V magnitude | ||||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | 15.45 (0.05) | 15.45 (0.05) | ||||
| H magnitude | 15.42 (0.09) | 15.42 (0.09) | ||||
| K magnitude | 15.57 (0.1) | 15.57 (0.1) | ||||
| u magnitude | 14.31 (0.02) | |||||
| g magnitude | 14.53 (0.01) | |||||
| r magnitude | 15.00 (0.02) | |||||
| i magnitude | 15.38 (0.02) | |||||
| z magnitude | 15.68 (0.02) | |||||
| G magnitude | 14.76 (0.003) | 14.78 (0.0006) | 14.76 (0.003) | |||
| BP magnitude | 14.62 (0.003) | 14.55 (0.009) | ||||
| RP magnitude | 15.04 (0.004) | 15.04 (0.003) | ||||
| Pan g magnitude | 14.60 (0.005) | |||||
| Pan r magnitude | 15.01 (0.002) | |||||
| Pan i magnitude | 15.37 (0.002) | |||||
| Pan z magnitude | 15.64 (0.004) | |||||
| Pan y magnitude | 15.82 (0.007) | |||||
| E(B-V) | 0.025 | |||||
* 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.