SDSS J084537.38+372151.2
All names: Gaia DR3 718153514402615040, LAMOST J084537.38+372151.2, GALEX J084537.4+372150, Gaia EDR3 718153514402615040, SDSS J084537.38+372151.2, WD 0842+375, SDSS J084537.39+372151.0, Gaia DR2 718153514402615040, SDSS J084537.38+372151.1, [HHD2009] SDSS J0845+3721, WIRED J084537.38+372151.2
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Tremblay et al. 2011 | Vincent et al. 2024 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 45 37.40 (0.2) | 08 45 37.38 | 08 45 37.40 (0.2) | 08 45 37.38 | 08 45 37.40 | 08 45 37.39 (0.2) | 08 45 37.38 | 08 45 37.37 | 08 45 37.38 | ||||||
| Declination | 37 21 50.75 (0.1) | 37 21 51.18 | 37 21 50.76 (0.1) | 37 21 51.19 | 37 21 50.75 | 37 21 51.17 (0.1) | 37 21 51.20 | 37 21 44.64 | 37 21 51.20 | ||||||
| Spectral type | DA+M | DA+M | DA | DA | DA+M | DA+M | DA d | DA+M | DA+MS | ||||||
| Effective temperature | [K] | 8637.0 | 16910.0 (690) | 17580.0 (790) | 10120.0 (73) | 10082.0 (89) | |||||||||
| log(g) | [cgs] | 6.81 | 7.73 (0.2) | 7.92 (0.1) | 8.58 (0.07) | 8.56 (0.09) | |||||||||
| Mass | [M☉] | 0.171 | 0.48 (0.08) | 0.57 (0.08) | |||||||||||
| log(Luminosity) | [L☉] | ||||||||||||||
| Cooling age | [Gyr] | 0.1175 | |||||||||||||
| 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] | 2.48 (0.2) | 2.84 (0.3) | 2.48 | 2.48 (0.2) | ||||||||||
| Distance | [pc] | 403.80 (40) | 352.17 (41) | 1426.00 (399) | 403.80 | 403.80 (40) | |||||||||
| Composition | H | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | 11.40972896 (0.2) | 11.76378547 (0.4) | 11.41 (0.2) | 14.7 | ||||||||||
| Proper motion (declination) | [mas/yr] | -26.45072208 (0.2) | -26.8980448 (0.3) | -26.451 (0.2) | -22.6 | ||||||||||
| Variability | |||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | WDMS | WDMS | WDMS | WDMS | |||||||||||
| B magnitude | |||||||||||||||
| V magnitude | |||||||||||||||
| R magnitude | |||||||||||||||
| I magnitude | |||||||||||||||
| J magnitude | |||||||||||||||
| H magnitude | |||||||||||||||
| K magnitude | |||||||||||||||
| u magnitude | 18.90 (0.02) | 18.91 | 18.90 (0.02) | 18.91 (0.02) | 18.91 | 18.90 (0.02) | |||||||||
| g magnitude | 18.72 (0.008) | 18.74 | 18.72 (0.008) | 18.74 (0.02) | 18.74 | 18.73 (0.02) | |||||||||
| r magnitude | 18.96 (0.01) | 18.96 | 18.96 (0.01) | 18.96 (0.02) | 18.96 | 18.96 (0.02) | |||||||||
| i magnitude | 18.80 (0.01) | 18.79 | 18.80 (0.01) | 18.79 (0.03) | 18.79 | 18.79 (0.03) | |||||||||
| z magnitude | 18.42 (0.02) | 18.42 | 18.42 (0.02) | 18.42 (0.03) | 18.42 | 18.42 (0.03) | |||||||||
| G magnitude | 18.70 (0.02) | 18.73 | 18.70 | 18.70 (0.003) | |||||||||||
| BP magnitude | 18.81 (0.02) | 18.78 | |||||||||||||
| RP magnitude | 18.40 (0.02) | 18.37 | |||||||||||||
| Pan g magnitude | 18.74 (0.009) | ||||||||||||||
| Pan r magnitude | 18.95 (0.005) | ||||||||||||||
| Pan i magnitude | 18.82 (0.004) | ||||||||||||||
| Pan z magnitude | 18.53 (0.005) | ||||||||||||||
| Pan y magnitude | 18.32 (0.02) | ||||||||||||||
| E(B-V) | 0.025 | ||||||||||||||
* Constant surface field
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