SDSS J100928.46+200412.7
All names: [HHD2009] SDSS J1009+2004, WD 1006+203, SDSS J100928.46+200412.7, SDSS J100928.46+200412.8, SDSS J100928.47+200412.8, Gaia EDR3 628298121348694272, Gaia DR2 628298121348694272, Gaia DR3 628298121348694272
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 09 28.47 (0.6) | 10 09 28.47 | 10 09 28.47 (0.9) | 10 09 28.47 | 10 09 28.48 (0.6) | 10 09 28.27 | 10 09 28.47 | |||||
| Declination | 20 04 12.94 (0.4) | 20 04 12.80 | 20 04 12.93 (0.5) | 20 04 12.79 | 20 04 12.85 (0.4) | 20 04 09.12 | 20 04 12.82 | |||||
| Spectral type | DA+M | DA+M | DA+M | DA4.2 | DA+M | DA+MS | ||||||
| Effective temperature | [K] | 8012.0 | 16525.0 (1545) | 9894.0 (171) | ||||||||
| log(g) | [cgs] | 7.67 | 7.78 (0.4) | 7.93 (0.3) | ||||||||
| Mass | [M☉] | 0.422 | 0.5 (0.2) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.7234 | ||||||||||
| 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] | 3.44 (0.7) | 2.80 (0.9) | 3.44 (0.7) | ||||||||
| Distance | [pc] | 290.69 (58) | 357.41 (111) | 275.00 (18) | 290.69 (58) | |||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -9.756129657 (0.7) | -8.124585353 (2) | -9.756 (0.7) | ||||||||
| Proper motion (declination) | [mas/yr] | 5.172707255 (0.4) | 4.487569161 (1) | 5.173 (0.4) | ||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | WDMS | yes | WDMS | WDMS | ||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 20.60 (0.06) | 20.72 | 20.60 (0.06) | 20.71 | 20.66 (0.06) | |||||||
| g magnitude | 20.32 (0.02) | 20.34 | 20.32 (0.02) | 20.34 | 20.33 (0.09) | |||||||
| r magnitude | 20.38 (0.03) | 20.40 | 20.38 (0.03) | 20.40 | 20.40 (0.03) | |||||||
| i magnitude | 20.16 (0.03) | 20.20 | 20.17 (0.03) | 20.20 | 20.19 (0.04) | |||||||
| z magnitude | 19.63 (0.07) | 19.65 | 19.64 (0.07) | 19.65 | 19.65 (0.07) | |||||||
| G magnitude | 20.21 (0.08) | 20.26 | 20.21 (0.007) | |||||||||
| BP magnitude | 20.29 (0.08) | 20.48 | ||||||||||
| RP magnitude | 19.84 (0.1) | 19.93 | ||||||||||
| Pan g magnitude | 20.30 (0.01) | |||||||||||
| Pan r magnitude | 20.45 (0.03) | |||||||||||
| Pan i magnitude | 20.19 (0.03) | |||||||||||
| Pan z magnitude | 19.80 (0.03) | |||||||||||
| Pan y magnitude | 19.51 (0.04) | |||||||||||
| E(B-V) | 0.019 | |||||||||||
* Constant surface field
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