WD 1542+007
All names: GALEX J154443.5+003818, Gaia DR2 4422618087724725376, SDSS J154443.55+003817.4, WD 1542+007, SDSS J154443.55+003817.8, SDSS J154443.55+003817.9, Gaia DR3 4422618087724725376, WIRED J154443.55+003817.9, SDSS J154443.54+003817.4, Gaia EDR3 4422618087724725376, SDSS J154443.56+003818.0
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Tremblay et al. 2011 | Harris et al. 2003 | 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 44 43.54 (0.3) | 15 44 43.55 | 15 44 43.54 (0.4) | 15 44 43.56 (0.3) | 15 44 43.55 | 15 44 43.08 | 15 44 43.56 | 15 44 43.56 | |||||||
| Declination | 00 38 17.41 (0.2) | 00 38 17.91 | 00 38 17.42 (0.3) | 00 38 17.90 (0.2) | 00 38 17.88 | 00 38 13.56 | 00 38 17.97 | 00 38 17.95 | |||||||
| Spectral type | DA | DA | DA3 | DA3 | DA | DA2.1 | DA | DA | |||||||
| Effective temperature | [K] | 10741.0 | 24730.0 (830) | 23562.0 (628) | 23607.0 (586) | 23596.0 (630) | |||||||||
| log(g) | [cgs] | 6.92 | 7.90 (0.1) | 7.89 (0.09) | 7.79 (0.1) | 7.92 (0.09) | |||||||||
| Mass | [M☉] | 0.209 | 0.58 (0.06) | 0.532 (0.04) | |||||||||||
| log(Luminosity) | [L☉] | ||||||||||||||
| Cooling age | [Gyr] | 0.0224 | |||||||||||||
| 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] | 1.83 (0.3) | 1.70 (0.4) | 1.83 (0.3) | |||||||||||
| Distance | [pc] | 546.41 (81) | 586.84 (125) | 546.42 (81) | |||||||||||
| Composition | H | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | -17.73469616 (0.3) | -19.6647038 (1) | -17.735 (0.3) | -15.5 | -19.0 | |||||||||
| Proper motion (declination) | [mas/yr] | -30.58591074 (0.2) | -31.51321165 (0.7) | -30.586 (0.2) | -39.6 | -41.0 | |||||||||
| Variability | |||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | |||||||||||||||
| B magnitude | |||||||||||||||
| V magnitude | |||||||||||||||
| R magnitude | |||||||||||||||
| I magnitude | |||||||||||||||
| J magnitude | 19.21 (0.1) | ||||||||||||||
| H magnitude | 18.51 (0.08) | ||||||||||||||
| K magnitude | 17.61 (0.1) | ||||||||||||||
| u magnitude | 19.20 (0.02) | 19.17 | 19.20 (0.02) | 19.15 (0.03) | 19.17 | 19.15 (0.03) | 19.17 (0.03) | ||||||||
| g magnitude | 19.11 (0.01) | 19.14 | 19.11 (0.01) | 19.14 (0.02) | 19.14 | 19.13 (0.02) | 19.14 (0.02) | ||||||||
| r magnitude | 19.39 (0.01) | 19.42 | 19.39 (0.01) | 19.42 (0.02) | 19.42 | 19.41 (0.02) | 19.42 (0.02) | ||||||||
| i magnitude | 19.67 (0.03) | 19.64 | 19.67 (0.03) | 19.65 (0.03) | 19.64 | 19.66 (0.03) | 19.64 (0.03) | ||||||||
| z magnitude | 19.86 (0.1) | 19.75 | 19.86 (0.1) | 19.76 (0.09) | 19.75 | 19.77 (0.09) | 19.75 (0.09) | ||||||||
| G magnitude | 19.27 (0.04) | 19.29 | 19.27 (0.004) | ||||||||||||
| BP magnitude | 19.15 (0.04) | 19.18 | |||||||||||||
| RP magnitude | 19.25 (0.06) | 19.19 | |||||||||||||
| Pan g magnitude | 19.14 (0.007) | ||||||||||||||
| Pan r magnitude | 19.39 (0.009) | ||||||||||||||
| Pan i magnitude | 19.59 (0.009) | ||||||||||||||
| Pan z magnitude | 19.77 (0.008) | ||||||||||||||
| Pan y magnitude | 19.74 (0.03) | ||||||||||||||
| E(B-V) | 0.071 | ||||||||||||||
* Constant surface field
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