SDSS J084810.07+454501.5
All names: Gaia EDR3 1013367503080221184, SDSS J084810.07+454501.5, Gaia DR2 1013367503080221184, Gaia DR3 1013367503080221184, WD 0844+459, GALEX J084810.0+454501
| 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 48 10.05 (0.5) | 08 48 10.07 | 08 48 10.05 (0.6) | 08 48 10.08 (0.5) | 08 48 10.07 | 08 48 10.18 | 08 48 10.07 | |||||
| Declination | 45 45 01.05 (0.3) | 45 45 01.54 | 45 45 01.07 (0.4) | 45 45 01.53 (0.3) | 45 45 01.56 | 45 45 00.36 | 45 45 01.52 | |||||
| Spectral type | DA | DA+M | DA_auto | DA | DA+M: | DA | ||||||
| Effective temperature | [K] | 7187.0 | 7857.0 (136) | 7564.0 (136) | ||||||||
| log(g) | [cgs] | 7.84 | 7.88 (0.4) | 7.82 (0.4) | ||||||||
| Mass | [M☉] | 0.501 | ||||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 1.1320 | ||||||||||
| 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] | 4.39 (0.7) | 4.16 (0.8) | 4.39 (0.7) | ||||||||
| Distance | [pc] | 227.91 (35) | 240.61 (47) | 227.92 (35) | ||||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -21.42677927 (0.5) | -21.65610229 (1) | -21.427 (0.5) | -21.2 | |||||||
| Proper motion (declination) | [mas/yr] | -29.95570538 (0.6) | -30.20537107 (0.8) | -29.956 (0.6) | -31.5 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | WDMS | |||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 20.55 (0.05) | 20.55 (0.05) | 20.50 (0.06) | 20.50 | 20.56 (0.06) | |||||||
| g magnitude | 20.17 (0.02) | 20.17 (0.02) | 20.15 (0.03) | 20.15 | 20.17 (0.03) | |||||||
| r magnitude | 20.05 (0.02) | 20.05 (0.02) | 20.03 (0.03) | 20.03 | 20.04 (0.03) | |||||||
| i magnitude | 20.02 (0.03) | 20.02 (0.03) | 20.00 (0.03) | 20.00 | 20.01 (0.03) | |||||||
| z magnitude | 20.19 (0.1) | 20.19 (0.1) | 20.17 (0.1) | 20.16 | 20.18 (0.1) | |||||||
| G magnitude | 20.00 (0.06) | 20.04 | 20.00 (0.005) | |||||||||
| BP magnitude | 20.23 (0.06) | 20.16 | ||||||||||
| RP magnitude | 19.69 (0.05) | 19.93 | ||||||||||
| Pan g magnitude | 20.17 (0.03) | |||||||||||
| Pan r magnitude | 20.07 (0.008) | |||||||||||
| Pan i magnitude | 20.03 (0.01) | |||||||||||
| Pan z magnitude | 20.10 (0.03) | |||||||||||
| Pan y magnitude | 20.09 (0.03) | |||||||||||
| E(B-V) | 0.012 | |||||||||||
* Constant surface field
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