SDSS J153843.10+084238.2
All names: J1538+0842, Gaia DR3 1164767677244452096, Gaia DR2 1164767677244452096, SDSS J153843.10+084238.3, Gaia EDR3 1164767677244452096, GALEX J153843.1+084238, WDJ153843.10+084238.51, [VV2010] J153843.1+084237, SDSS J153843.11+084238.3, WD 1536+088, SDSS J153843.10+084238.2
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Kilic et al. 2025 | Hardy et al. 2023a | Caron et al. 2023 | Kilic et al. 2020 | MWDD H | Gaia DR2 | Stilism | Ferrario et al. 2015 | Kulebi et al. 2009 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 38 43.12 (0.1) | 15 38 43.10 | 15 38 43.12 (0.2) | 15 38 43.10 | 15 38 43.12 | 15 38 43.10 (0.1) | 15 38 43.12 | 15 38 43.37 | 15 38 43.11 | ||||||||||
| Declination | 08 42 37.46 (0.08) | 08 42 38.27 | 08 42 37.50 (0.1) | 08 42 38.20 | 08 42 37.46 | 08 42 38.51 (0.08) | 08 42 37.50 | 08 42 34.20 | 08 42 38.27 | ||||||||||
| Spectral type | DAH | DAH | DAH | DAH | DA | DA | DAH | DA: | DAH | DAH | DAH5.3 | DAH | DAH | ||||||
| Effective temperature | [K] | 8998.0 (94) | 9655.8 (221) | 9004.0 (77) | 8993.0 (94) | 8911.0 | 9500.0 | 9206.0 (245) | 33803.0 (340) | ||||||||||
| log(g) | [cgs] | 8.44 (0.02) | 8.60 (0.006) | 8.47 (0.02) | 8.46 (0.02) | 8.45 | 8.00 (0) | 8.48 (0.04) | 9.99 (0.01) | ||||||||||
| Mass | [M☉] | 0.875 (0.02) | 0.9834970419801274 (0.008) | 0.896 (0.02) | 0.895 (0.02) | 0.887 | 0.909 (0.03) | ||||||||||||
| log(Luminosity) | [L☉] | ||||||||||||||||||
| Cooling age | [Gyr] | 1.9400 | 1.8690 | ||||||||||||||||
| 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] | 11.81 (0.1) | 12.11 (0.2) | 12.11 (0.2) | 11.81 | 11.81 (0.1) | 12.11 (0.2) | ||||||||||||
| Distance | [pc] | 84.69 (0.9) | 82.58 (1) | 82.60 (1) | 84.69 | 84.69 (0.9) | 82.60 (1) | ||||||||||||
| Composition | H | H | H | H | |||||||||||||||
| Proper motion (right ascension) | [mas/yr] | 15.51839123 (0.1) | 14.77732936 (0.3) | 15.518 (0.1) | 14.777 | ||||||||||||||
| Proper motion (declination) | [mas/yr] | -65.16017517 (0.1) | -65.04267054 (0.2) | -65.16 (0.1) | -65.043 | ||||||||||||||
| Variability | |||||||||||||||||||
| Magnetic | yes | yes | yes | yes | |||||||||||||||
| Bd | [MG] | 11.516405759398594 | 13.2 (4) | 13.2 (4) | |||||||||||||||
| Infrared excess (disk) | |||||||||||||||||||
| Binarity | |||||||||||||||||||
| B magnitude | 18.34 | ||||||||||||||||||
| V magnitude | 18.21 | ||||||||||||||||||
| R magnitude | |||||||||||||||||||
| I magnitude | |||||||||||||||||||
| J magnitude | 17.58 (0.03) | 17.58 | |||||||||||||||||
| H magnitude | 17.56 (0.03) | 17.56 | |||||||||||||||||
| K magnitude | 17.47 (0.03) | 17.47 | |||||||||||||||||
| u magnitude | 18.25 (0.01) | 18.24 (0.01) | 18.25 (0.01) | 18.25 (0.01) | 18.24 | 18.25 (0.02) | |||||||||||||
| g magnitude | 17.90 (0.006) | 17.90 (0.006) | 17.90 (0.006) | 17.90 | 17.92 (0.02) | ||||||||||||||
| r magnitude | 17.94 (0.007) | 17.94 (0.007) | 17.94 (0.007) | 17.94 | 17.94 (0.01) | ||||||||||||||
| i magnitude | 18.03 (0.008) | 18.02 (0.008) | 18.02 (0.008) | 18.22 | 18.24 (0.1) | ||||||||||||||
| z magnitude | 18.19 (0.02) | 18.18 (0.02) | 18.18 (0.02) | 18.20 | 18.20 (0.03) | ||||||||||||||
| G magnitude | 17.88 (0.009) | 17.90 | 17.88 | 17.88 (0.003) | 17.90 | ||||||||||||||
| BP magnitude | 17.94 (0.009) | 17.94 | 17.94 | ||||||||||||||||
| RP magnitude | 17.71 (0.01) | 17.71 | 17.71 | ||||||||||||||||
| Pan g magnitude | 17.90 (0.005) | 17.90 (0.005) | |||||||||||||||||
| Pan r magnitude | 17.94 (0.004) | 17.94 (0.004) | |||||||||||||||||
| Pan i magnitude | 18.04 (0.009) | 18.04 (0.009) | |||||||||||||||||
| Pan z magnitude | 18.15 (0.01) | 18.15 (0.01) | |||||||||||||||||
| Pan y magnitude | 18.16 (0.02) | 18.16 (0.02) | |||||||||||||||||
| E(B-V) | 0.008 | ||||||||||||||||||
* Constant surface field
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