All names: SDSS J160025.09+374716.1, GALEX J160025.0+374715, SDSS J160025.10+374716.1, Gaia DR3 1379304665230710656, Gaia DR2 1379304660938759040, Gaia EDR3 1379304665230710656
| 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 | 16 00 25.10 (0.2) | 16 00 25.10 | 16 00 25.10 (0.2) | 16 00 25.11 (0.2) | 16 00 25.10 | |||||
| Declination | 37 47 16.03 (0.2) | 37 47 16.11 | 37 47 16.04 (0.2) | 37 47 16.15 (0.2) | 37 47 16.15 | |||||
| Spectral type | DOZ | DC | DC_VERYHOT | DO | ||||||
| Effective temperature | [K] | 65670.0 (3913) | 94030.0 (7543) | |||||||
| log(g) | [cgs] | 8.21 (0.4) | 5.53 (0.9) | |||||||
| Mass | [M☉] | 0.78 (0.2) | ||||||||
| log(Luminosity) | [L☉] | 0.34 (0.3) | ||||||||
| Cooling age | [Gyr] | 0.0009 (0.0002) | ||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| 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] | 0.88 (0.2) | 0.76 (0.3) | 0.88 (0.2) | ||||||
| Distance | [pc] | 1130.11 (294) | 1310.10 (497) | 1130.07 (294) | ||||||
| Composition | He | |||||||||
| Proper motion (right ascension) | [mas/yr] | -5.342868218 (0.2) | -5.377 (0.5) | -5.343 (0.2) | ||||||
| Proper motion (declination) | [mas/yr] | -6.918740107 (0.3) | -6.885 (0.6) | -6.919 (0.3) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 18.71 (0.02) | 18.71 (0.02) | 18.72 (0.02) | |||||||
| g magnitude | 19.21 (0.01) | 19.21 (0.01) | 19.21 (0.02) | |||||||
| r magnitude | 19.70 (0.02) | 19.70 (0.02) | 19.69 (0.02) | |||||||
| i magnitude | 20.11 (0.03) | 20.11 (0.03) | 20.11 (0.03) | |||||||
| z magnitude | 20.55 (0.1) | 20.55 (0.1) | 20.45 (0.1) | |||||||
| G magnitude | 19.47 (0.02) | 19.50 | 19.47 (0.004) | |||||||
| BP magnitude | 19.30 (0.02) | 19.17 | ||||||||
| RP magnitude | 19.82 (0.06) | 19.87 | ||||||||
| Pan g magnitude | 19.28 (0.02) | |||||||||
| Pan r magnitude | 19.74 (0.01) | |||||||||
| Pan i magnitude | 20.12 (0.01) | |||||||||
| Pan z magnitude | 20.40 (0.05) | |||||||||
| Pan y magnitude | 20.42 (0.2) | |||||||||
| E(B-V) | 0.021 | |||||||||
* 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.