WD 1538+028
All names: Gaia DR2 4423906955870722816, SDSS J154045.21+024010.2, Gaia DR3 4423906955870722816, SDSS J154045.22+024010.2, SDSS J154045.22+024010.3, Gaia EDR3 4423906955870722816, GALEX J154045.2+024010, WD 1538+028
| 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 | Kleinman et al. 2004 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 40 45.21 (0.4) | 15 40 45.22 | 15 40 45.21 (0.5) | 15 40 45.22 (0.4) | 15 40 45.22 | 15 40 45.14 | 15 40 45.22 | 15 40 45.22 | |||||
| Declination | 02 40 10.33 (0.2) | 02 40 10.27 | 02 40 10.32 (0.3) | 02 40 10.21 (0.2) | 02 40 10.26 | 02 40 05.52 | 02 40 10.25 | 02 40 10.27 | |||||
| Spectral type | DA | DA | DA | DA4.4 | DA | DA | |||||||
| Effective temperature | [K] | 9621.0 | 11517.0 (400) | 10867.0 (410) | 11502.0 (402) | ||||||||
| log(g) | [cgs] | 6.60 | 7.54 (0.2) | 7.62 (0.3) | 7.49 (0.2) | ||||||||
| Mass | [M☉] | 0.143 | |||||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | ||||||||||||
| 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] | 1.57 (0.4) | 1.30 (0.6) | 1.57 (0.4) | |||||||||
| Distance | [pc] | 635.84 (148) | 771.17 (333) | 635.85 (148) | |||||||||
| Composition | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -4.995876492 (0.5) | -7.296271965 (1) | -4.996 (0.5) | -1.6 | -5.0 | |||||||
| Proper motion (declination) | [mas/yr] | 7.304794386 (0.3) | 7.188568963 (0.9) | 7.305 (0.3) | 13.7 | 9.0 | |||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | |||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 20.19 (0.05) | 20.19 (0.05) | 20.21 (0.06) | 20.22 | 20.21 (0.06) | 20.22 (0.06) | |||||||
| g magnitude | 19.63 (0.02) | 19.63 (0.01) | 19.67 (0.02) | 19.67 | 19.67 (0.02) | 19.67 (0.02) | |||||||
| r magnitude | 19.80 (0.02) | 19.80 (0.02) | 19.86 (0.03) | 19.86 | 19.86 (0.02) | 19.86 (0.03) | |||||||
| i magnitude | 19.91 (0.03) | 19.91 (0.03) | 19.97 (0.03) | 19.96 | 19.96 (0.03) | 19.96 (0.03) | |||||||
| z magnitude | 20.14 (0.1) | 20.14 (0.1) | 20.20 (0.1) | 20.20 | 20.21 (0.1) | 20.20 (0.1) | |||||||
| G magnitude | 19.77 (0.04) | 19.82 | 19.77 (0.005) | ||||||||||
| BP magnitude | 19.76 (0.04) | 19.79 | |||||||||||
| RP magnitude | 19.68 (0.05) | 19.76 | |||||||||||
| Pan g magnitude | 19.73 (0.01) | ||||||||||||
| Pan r magnitude | 19.83 (0.01) | ||||||||||||
| Pan i magnitude | 20.01 (0.02) | ||||||||||||
| Pan z magnitude | 20.16 (0.03) | ||||||||||||
| Pan y magnitude | 19.95 (0.1) | ||||||||||||
| E(B-V) | 0.047 | ||||||||||||
* Constant surface field
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