WD 0901+342
All names: NLTT 20871, USNO-B1.0 1240-00171172, WDJ090406.94+340354.07, WD 0901+342, LP 259-40, Gaia DR2 713438705462521728, J0904+3403, Gaia EDR3 713438705462521728, SDSS J090406.89+340353.0, SDSS J090406.87+340352.9, Gaia DR3 713438705462521728, SDSS J090406.87+340352.8, LSPM J0904+3403
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Caron et al. 2023 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 04 06.70 (0.1) | 09 04 06.71 (0.2) | 09 04 06.70 | 09 04 06.94 (0.1) | 09 04 06.71 | 09 04 06.43 | |||||||
| Declination | 34 03 49.50 (0.09) | 34 03 49.65 (0.1) | 34 03 49.50 | 34 03 54.07 (0.09) | 34 03 49.65 | 34 03 51.48 | |||||||
| Spectral type | DC | DC | DC | DC | DA: | DC | DC9.4 | ||||||
| Effective temperature | [K] | 4786.0 (22) | 4934.0 (23) | 5374.0 | 5088.0 | 5374.0 (51) | |||||||
| log(g) | [cgs] | 7.85 (0.01) | 7.96 (0.02) | 8.19 | 8.01 | 8.20 (0.02) | |||||||
| Mass | [M☉] | 0.483 (0.01) | 0.542 (0.01) | 0.702 | 0.574 | 0.706 (0.02) | |||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 5.6600 | 5.7540 | 5.4370 | |||||||||
| 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] | 21.50 (0.2) | 21.20 (0.2) | 21.20 (0.2) | 21.50 | 21.50 (0.2) | 21.20 (0.2) | ||||||
| Distance | [pc] | 46.51 (0.3) | 47.17 (0.5) | 47.16 (0.5) | 46.51 | 46.51 (0.3) | 47.16 (0.5) | ||||||
| Composition | He | He | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -182.7870647 (0.2) | -182.995119 (0.3) | -182.787 (0.2) | -182.995119 | ||||||||
| Proper motion (declination) | [mas/yr] | -285.6432078 (0.1) | -285.5358583 (0.3) | -285.643 (0.1) | -285.5358583 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 18.00 | ||||||||||||
| V magnitude | |||||||||||||
| R magnitude | 17.70 | ||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 17.23 (0.04) | 17.23 (0.04) | |||||||||||
| H magnitude | 16.93 (0.05) | 16.93 (0.05) | |||||||||||
| K magnitude | 16.85 (0.06) | 16.85 (0.06) | |||||||||||
| u magnitude | 20.08 (0.04) | 20.11 (0.04) | 20.11 (0.04) | 20.01 | |||||||||
| g magnitude | 18.70 (0.008) | 18.70 (0.008) | 18.73 | ||||||||||
| r magnitude | 18.10 (0.007) | 18.10 (0.007) | 18.10 | ||||||||||
| i magnitude | 17.85 (0.007) | 17.85 (0.007) | 17.87 | ||||||||||
| z magnitude | 17.82 (0.02) | 17.82 (0.02) | 17.85 | ||||||||||
| G magnitude | 18.14 (0.02) | 18.16 | 18.14 | 18.14 (0.003) | 18.16 | ||||||||
| BP magnitude | 18.58 (0.02) | 18.63 | 18.63 | ||||||||||
| RP magnitude | 17.55 (0.01) | 17.57 | 17.57 | ||||||||||
| Pan g magnitude | 18.64 (0.004) | 18.64 (0.005) | |||||||||||
| Pan r magnitude | 18.08 (0.004) | 18.08 (0.005) | |||||||||||
| Pan i magnitude | 17.88 (0.004) | 17.88 (0.004) | |||||||||||
| Pan z magnitude | 17.86 (0.008) | 17.86 (0.009) | |||||||||||
| Pan y magnitude | 17.90 (0.02) | 17.90 (0.02) | |||||||||||
| E(B-V) | 0.001 | ||||||||||||
* Constant surface field
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