WD 0840+243
All names: WDJ084257.61+240930.84, WD 0840+243, 08429+2409, PSO J130.7395+24.1583, 2MASS J08425760+2409309, PM J08429+2409, Gaia EDR3 690287663506579328, Gaia DR3 690287663506579328, J0842+2409, Gaia DR2 690287663506579328, TIC 117275259, SDSS J084257.57+240930.6, GALEX J084257.6+240929
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Kilic et al. 2025 | O'Brien et al. 2024 | Caron et al. 2023 | McCleery et al. 2020 | Kilic et al. 2020 | Blouin et al. 2019 | MWDD H | Gaia DR2 | Stilism | Limoges et al. 2015 | Sayres et al. 2012 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 42 57.49 (0.06) | 08 42 57.57 | 08 42 57.49 (0.09) | 08 42 57.49 (0.09) | 08 42 57.59 | 08 42 57.49 | 08 42 57.61 (0.07) | 08 42 57.49 | |||||||||||
| Declination | 24 09 30.03 (0.03) | 24 09 30.62 | 24 09 30.05 (0.05) | 24 09 30.05 (0.05) | 24 09 30.80 | 24 09 30.03 | 24 09 30.84 (0.03) | 24 09 30.05 | |||||||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DA7.5 | DA | DA7.5 | DA | DA7.5 | DA | DA | ||||||
| Effective temperature | [K] | 5889.0 (20) | 5812.0 (45) | 5901.0 (18) | 5779.3 (24) | 5888.0 (20) | 5795.0 (35) | 5809.0 | 5900.0 (120) | 5950.0 (30) | 5838.0 (25) | ||||||||
| log(g) | [cgs] | 8.02 (0.008) | 7.98 (0.03) | 8.02 (0.008) | 7.96 (0.02) | 8.01 (0.008) | 7.97 (0.02) | 7.97 | 8.00 (0.2) | 7.99 (0.01) | |||||||||
| Mass | [M☉] | 0.598 (0.007) | 0.576 (0.02) | 0.602 (0.007) | 0.592 (0.007) | 0.57 (0.01) | 0.57 | 0.59 (0.1) | 0.583 (0.009) | ||||||||||
| log(Luminosity) | [L☉] | -3.76 | |||||||||||||||||
| Cooling age | [Gyr] | 2.5400 | 2.3620 (0.1) | 2.3430 | |||||||||||||||
| 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] | 26.32 (0.09) | 26.32 (0.09) | 26.18 (0.1) | 26.18 (0.1) | 26.18 (0.1) | 26.18 (0.1) | 26.32 | 26.32 (0.09) | 26.18 (0.1) | |||||||||
| Distance | [pc] | 37.99 (0.1) | 37.99 (0.1) | 38.20 (0.2) | 38.19 (0.2) | 38.19 (0.2) | 38.19 (0.2) | 38.70 (0.8) | 38.00 | 37.99 | 37.99 (0.1) | 38.19 (0.2) | |||||||
| Composition | H | H | H | H | H | H | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -103.6912233 (0.08) | -103.9632425 (0.2) | -100.0 | -103.691 (0.08) | -103.963 | |||||||||||||
| Proper motion (declination) | [mas/yr] | -50.76239296 (0.06) | -50.77239168 (0.1) | -46.0 | -50.762 (0.07) | -50.772 | |||||||||||||
| Variability | |||||||||||||||||||
| Magnetic | |||||||||||||||||||
| Bd | [MG] | ||||||||||||||||||
| Infrared excess (disk) | |||||||||||||||||||
| Binarity | |||||||||||||||||||
| B magnitude | |||||||||||||||||||
| V magnitude | |||||||||||||||||||
| R magnitude | |||||||||||||||||||
| I magnitude | |||||||||||||||||||
| J magnitude | 16.10 (0.01) | 15.99 (0.07) | 15.99 | 15.99 (0.07) | 15.99 (0.07) | ||||||||||||||
| H magnitude | 15.92 (0.1) | 15.92 (0.1) | 15.92 | 15.92 (0.1) | 15.92 (0.1) | ||||||||||||||
| K magnitude | 15.60 (0.2) | 15.60 (0.2) | 15.60 | 15.60 (0.2) | 15.60 (0.2) | ||||||||||||||
| u magnitude | 18.36 (0.02) | 18.36 (0.02) | 18.36 | 18.36 (0.02) | 18.36 (0.02) | 18.36 (0.02) | |||||||||||||
| g magnitude | 17.42 (0.005) | 17.43 | 17.43 (0.005) | 17.39 (0.005) | 17.42 (0.005) | ||||||||||||||
| r magnitude | 17.03 (0.005) | 17.03 | (0.005) | 17.03 (0.003) | 17.03 (0.005) | ||||||||||||||
| i magnitude | 16.86 (0.006) | 16.86 | 16.86 (0.006) | 16.88 (0.004) | 16.86 (0.006) | ||||||||||||||
| z magnitude | 16.83 (0.01) | 16.83 | 16.83 (0.01) | 16.86 (0.005) | 16.83 (0.01) | ||||||||||||||
| G magnitude | 17.03 (0.005) | 17.05 | 17.05 | 17.03 | 17.03 (0.003) | 17.05 | |||||||||||||
| BP magnitude | 17.35 (0.005) | 17.37 | 17.37 | ||||||||||||||||
| RP magnitude | 16.54 (0.004) | 16.55 | 16.55 | ||||||||||||||||
| Pan g magnitude | 17.39 (0.006) | 17.39 (0.005) | 17.39 (0.005) | ||||||||||||||||
| Pan r magnitude | 17.03 (0.003) | 17.03 (0.003) | 17.03 (0.003) | ||||||||||||||||
| Pan i magnitude | 16.88 (0.004) | 16.88 (0.004) | 16.88 (0.004) | ||||||||||||||||
| Pan z magnitude | 16.86 (0.005) | 16.86 (0.005) | 16.86 (0.005) | ||||||||||||||||
| Pan y magnitude | 16.85 (0.01) | 16.85 (0.01) | 16.85 (0.01) | ||||||||||||||||
| E(B-V) | 0.001 | ||||||||||||||||||
* Constant surface field
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