All names: Gaia DR2 1373995742055256960, SDSS J153133.11+343327.47, Gaia EDR3 1373995742055256960, SDSS J153133.11+343327.5, SDSS J153133.12+343327.5, CBS 251, Gaia DR3 1373995742055256960, FBS B 570, FBS 1529+347, SDSS J153133.11+343327.4
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | SDSS DR10 | Bedard et al. 2020 | Gaia DR2 | Stilism | Kepler et al. 2015 | Reindl et al. 2014 | Vincent et al. 2024 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 31 33.13 (0.03) | 15 31 33.12 | 15 31 33.12 | 15 31 33.13 (0.04) | 15 31 33.13 | 15 31 33.12 (0.03) | |||||||
| Declination | 34 33 27.30 (0.04) | 34 33 27.52 | 34 33 27.52 | 34 33 27.31 (0.05) | 34 33 27.30 | 34 33 27.48 (0.04) | |||||||
| Spectral type | DOZ | DO | DO | DO | DO | ||||||||
| Effective temperature | [K] | 72546.0 (1303) | 70000.0 (7500) | 70000.0 | 92965.0 (5816) | ||||||||
| log(g) | [cgs] | 8.12 (0.1) | 8.00 (0.2) | 8.00 (0.2) | 7.90 (0.04) | ||||||||
| Mass | [M☉] | 0.74 (0.05) | 0.69 (0.1) | 0.69 | 0.673 (0.02) | ||||||||
| log(Luminosity) | [L☉] | 0.59 (0.08) | |||||||||||
| Cooling age | [Gyr] | 0.0008 (0.0001) | |||||||||||
| log(H/He) | |||||||||||||
| log(C/He) | 0.003 | ||||||||||||
| log(Ca/He) | |||||||||||||
| log(Ca/H) | |||||||||||||
| log(N/He) | |||||||||||||
| log(O/He) | |||||||||||||
| log(Na/He) | |||||||||||||
| log(Mg/He) | |||||||||||||
| log(Al/He) | |||||||||||||
| log(Si/He) | |||||||||||||
| log(P/He) | |||||||||||||
| log(S/He) | |||||||||||||
| log(Cl/He) | |||||||||||||
| log(Sc/He) | |||||||||||||
| log(Ti/He) | |||||||||||||
| log(V/He) | |||||||||||||
| log(Cr/He) | |||||||||||||
| log(Mn/He) | |||||||||||||
| log(Fe/He) | |||||||||||||
| log(Co/He) | |||||||||||||
| log(Ni/He) | |||||||||||||
| log(Cu/He) | |||||||||||||
| log(Zn/He) | |||||||||||||
| log(Ga/He) | |||||||||||||
| log(Ge/He) | |||||||||||||
| log(Sr/He) | |||||||||||||
| Parallax | [mas] | 2.72 (0.05) | 2.71 (0.06) | 2.72 | 2.72 (0.05) | ||||||||
| Distance | [pc] | 367.69 (7) | 369.05 (8) | 367.69 | 367.69 (7) | ||||||||
| Composition | He | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | 11.42160659 (0.04) | 11.40895158 (0.09) | 11.422 (0.04) | |||||||||
| Proper motion (declination) | [mas/yr] | -10.76472513 (0.06) | -10.87907037 (0.1) | -10.765 (0.06) | |||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 16.00 | ||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | |||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 15.35 (0.004) | 15.35 (0.004) | 15.33 (0.02) | 15.35 (0.004) | |||||||||
| g magnitude | 15.83 (0.004) | 15.83 (0.004) | 15.88 (0.02) | 15.83 | 15.83 (0.004) | ||||||||
| r magnitude | 16.39 (0.004) | 16.39 (0.004) | 16.39 (0.01) | 16.39 (0.004) | |||||||||
| i magnitude | 16.76 (0.006) | 16.76 (0.006) | 16.76 (0.03) | 16.76 (0.006) | |||||||||
| z magnitude | 17.08 (0.01) | 17.08 (0.01) | 17.08 (0.02) | 17.08 (0.01) | |||||||||
| G magnitude | 16.11 (0.003) | 16.13 | 16.11 | 16.11 (0.003) | |||||||||
| BP magnitude | 15.93 (0.003) | 15.84 | |||||||||||
| RP magnitude | 16.46 (0.004) | 16.46 | |||||||||||
| Pan g magnitude | 15.93 (0.006) | ||||||||||||
| Pan r magnitude | 16.40 (0.008) | ||||||||||||
| Pan i magnitude | 16.78 (0.005) | ||||||||||||
| Pan z magnitude | 17.09 (0.004) | ||||||||||||
| Pan y magnitude | 17.30 (0.01) | ||||||||||||
| 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.