All names: SDSS J134120.09+092918.3, Gaia EDR3 3725037883284023680, Gaia DR2 3725037883284023680, SDSS J134120.10+092918.1, LAMOST J134120.15+092918.6, Gaia DR3 3725037883284023680, SDSS J134120.10+092918.3, GALEX J134120.1+092918, SDSS J134120.09+092918.2
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 13 41 20.09 (0.08) | 13 41 20.09 | 13 41 20.09 (0.1) | 13 41 20.10 (0.08) | 13 41 20.10 | ||||
| Declination | 09 29 18.10 (0.06) | 09 29 18.28 | 09 29 18.11 (0.09) | 09 29 18.35 (0.06) | 09 29 18.31 | ||||
| Spectral type | DAO | DAO | DAO | ||||||
| Effective temperature | [K] | 93680.0 (4241) | 90811.0 (4745) | ||||||
| log(g) | [cgs] | 6.87 (0.1) | 6.93 (0.1) | ||||||
| Mass | [M☉] | 0.47 (0.03) | |||||||
| log(Luminosity) | [L☉] | 2.08 (0.1) | |||||||
| Cooling age | [Gyr] | 0.0001 | |||||||
| 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] | 0.81 (0.09) | 0.87 (0.1) | 0.81 (0.09) | |||||
| Distance | [pc] | 1234.08 (141) | 1147.16 (192) | 1234.11 (141) | |||||
| Composition | H | ||||||||
| Proper motion (right ascension) | [mas/yr] | -5.949278682 (0.1) | -5.683351684 (0.3) | -5.949 (0.1) | |||||
| Proper motion (declination) | [mas/yr] | -15.75330905 (0.08) | -15.70119889 (0.2) | -15.753 (0.08) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 18.11 (0.02) | ||||||||
| H magnitude | 18.24 (0.09) | ||||||||
| K magnitude | 18.20 (0.1) | ||||||||
| u magnitude | 16.53 (0.007) | 16.53 (0.007) | 16.53 (0.01) | ||||||
| g magnitude | 16.98 (0.005) | 16.99 (0.005) | 17.00 (0.01) | ||||||
| r magnitude | 17.57 (0.006) | 17.57 (0.006) | 17.58 (0.02) | ||||||
| i magnitude | 17.95 (0.008) | 17.95 (0.008) | 17.95 (0.01) | ||||||
| z magnitude | 18.31 (0.03) | 18.31 (0.03) | 18.31 (0.03) | ||||||
| G magnitude | 17.28 (0.007) | 17.32 | 17.28 (0.003) | ||||||
| BP magnitude | 17.10 (0.007) | 17.05 | |||||||
| RP magnitude | 17.66 (0.009) | 17.61 | |||||||
| Pan g magnitude | 17.08 (0.006) | ||||||||
| Pan r magnitude | 17.56 (0.006) | ||||||||
| Pan i magnitude | 17.97 (0.005) | ||||||||
| Pan z magnitude | 18.28 (0.008) | ||||||||
| Pan y magnitude | 18.46 (0.02) | ||||||||
| 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.