SDSS J081631.95+234105.4
All names: Gaia EDR3 677686362605925888, WD 0813+238, SDSS J081631.95+234105.5, GALEX J081631.9+234105, Gaia DR2 677686362605925888, Gaia DR3 677686362605925888, SDSS J081631.95+234105.4, SDSS J081631.94+234105.4
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 16 31.94 (0.4) | 08 16 31.95 | 08 16 31.94 (0.5) | 08 16 31.95 (0.4) | 08 16 31.95 | 08 16 32.18 | 08 16 31.95 | |||||
| Declination | 23 41 05.48 (0.3) | 23 41 05.45 | 23 41 05.48 (0.3) | 23 41 05.45 (0.3) | 23 41 05.46 | 23 41 00.96 | 23 41 05.46 | |||||
| Spectral type | DA | DA | DA_auto | DA | DA | DA | ||||||
| Effective temperature | [K] | 18609.0 | 23109.0 (773) | 23301.0 (829) | ||||||||
| log(g) | [cgs] | 8.60 | 8.08 (0.1) | 8.15 (0.1) | ||||||||
| Mass | [M☉] | 0.993 | 0.71 (0.09) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.2910 | ||||||||||
| 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] | 2.20 (0.5) | 2.57 (0.6) | 2.20 (0.5) | ||||||||
| Distance | [pc] | 454.76 (107) | 389.75 (90) | 454.75 (107) | ||||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -13.27910448 (0.5) | -11.81912205 (1) | -13.279 (0.5) | -9.7 | |||||||
| Proper motion (declination) | [mas/yr] | 1.783694229 (0.4) | 1.345044833 (0.6) | 1.784 (0.4) | 1.7 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 19.66 (0.03) | 19.66 (0.03) | 19.66 (0.03) | 19.65 | 19.65 (0.03) | |||||||
| g magnitude | 19.65 (0.01) | 19.65 (0.01) | 19.67 (0.02) | 19.67 | 19.68 (0.02) | |||||||
| r magnitude | 19.96 (0.02) | 19.96 (0.02) | 20.01 (0.02) | 20.01 | 20.01 (0.02) | |||||||
| i magnitude | 20.29 (0.03) | 20.29 (0.03) | 20.33 (0.03) | 20.33 | 20.34 (0.03) | |||||||
| z magnitude | 20.36 (0.1) | 20.36 (0.1) | 20.42 (0.1) | 20.42 | 20.44 (0.1) | |||||||
| G magnitude | 19.88 (0.07) | 19.93 | 19.88 (0.005) | |||||||||
| BP magnitude | 19.79 (0.07) | 19.57 | ||||||||||
| RP magnitude | 19.98 (0.1) | 19.83 | ||||||||||
| Pan g magnitude | 19.71 (0.009) | |||||||||||
| Pan r magnitude | 20.04 (0.008) | |||||||||||
| Pan i magnitude | 20.33 (0.02) | |||||||||||
| Pan z magnitude | 20.58 (0.04) | |||||||||||
| Pan y magnitude | 20.72 (0.2) | |||||||||||
| E(B-V) | 0.031 | |||||||||||
* Constant surface field
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