WD 1238+183
All names: Gaia EDR3 3935942939548822272, J1240+1807, LHS 2601, PSO J190.1244+18.1242, 12405+1807W, Gaia DR2 3935942939548822272, WD 1238+183, PM J12405+1807W, USNO-B1.0 1081-00238488, WDJ124030.49+180728.84, LP 435-447, 1238+183, 2MASS J12403047+1807288, SDSS J124030.27+180728.3, LSPM J1240+1807, TIC 383423869, NLTT 31483, SDSS J124030.26+180728.2, Gaia DR3 3935942939548822272
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | O'Brien et al. 2024 | Caron et al. 2023 | Kilic et al. 2020 | McCleery et al. 2020 | Blouin et al. 2019 | Leggett et al. 2018 | MWDD H | Gaia DR2 | Stilism | Limoges et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 40 29.83 (0.09) | 12 40 29.85 (0.1) | 12 40 29.85 (0.1) | 12 40 29.83 | 12 40 30.49 (0.09) | 12 40 29.85 | 12 40 30.00 | |||||||||||
| Declination | 18 07 27.18 (0.05) | 18 07 27.24 (0.08) | 18 07 27.24 (0.08) | 18 07 27.18 | 18 07 28.84 (0.05) | 18 07 27.24 | 18 07 20.64 | |||||||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DA9.3 | DA | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 5468.0 (24) | 5352.0 (55) | 5455.0 (20) | 5474.0 (22) | 5325.1 (35) | 5430.0 (40) | 5433.0 (95) | 5392.0 | 5420.0 (46) | 5417.0 (36) | |||||||
| log(g) | [cgs] | 8.03 (0.01) | 7.94 (0.04) | 8.02 (0.01) | 8.03 (0.01) | 7.94 (0.03) | 8.01 (0.03) | 8.05 (0.04) | 7.99 | 8.00 (0) | 7.99 (0.02) | |||||||
| Mass | [M☉] | 0.6 (0.009) | 0.55 (0.03) | 0.598 (0.008) | 0.602 (0.009) | 0.591 (0.01) | 0.612 (0.04) | 0.574 | 0.58 (0.1) | 0.577 (0.01) | ||||||||
| log(Luminosity) | [L☉] | -3.90 | ||||||||||||||||
| Cooling age | [Gyr] | 3.5100 | 3.5670 (0.3) | 3.8710 (0.6) | 3.4880 | |||||||||||||
| 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] | 25.36 (0.1) | 25.36 (0.1) | 25.38 (0.1) | 25.38 (0.1) | 25.39 (0.1) | 25.98 (0.4) | 25.38 (0.1) | 25.36 | 25.36 (0.1) | 25.38 (0.1) | |||||||
| Distance | [pc] | 39.43 (0.2) | 39.43 (0.2) | 39.40 (0.2) | 39.39 (0.2) | 39.39 (0.2) | 38.49 (0.7) | 39.39 (0.2) | 39.00 (4) | 39.43 | 39.43 (0.2) | 39.39 (0.2) | ||||||
| Composition | H | H | H | H | H | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -590.2890045 (0.1) | -590.2666982 (0.2) | -590.289 (0.1) | -590.2666982 | |||||||||||||
| Proper motion (declination) | [mas/yr] | -103.5840446 (0.1) | -103.434746 (0.1) | -103.584 (0.1) | -103.434746 | |||||||||||||
| Variability | ||||||||||||||||||
| Magnetic | ||||||||||||||||||
| Bd | [MG] | |||||||||||||||||
| Infrared excess (disk) | ||||||||||||||||||
| Binarity | ||||||||||||||||||
| B magnitude | 19.10 | |||||||||||||||||
| V magnitude | ||||||||||||||||||
| R magnitude | 17.30 | |||||||||||||||||
| I magnitude | ||||||||||||||||||
| J magnitude | 16.34 (0.01) | 16.59 (0.1) | 16.59 | 16.59 (0.1) | ||||||||||||||
| H magnitude | 15.93 (0.2) | 15.93 (0.2) | 15.93 | 15.93 (0.2) | ||||||||||||||
| K magnitude | 15.79 (0.2) | 15.79 (0.2) | 15.79 | 15.79 (0.2) | ||||||||||||||
| u magnitude | 19.19 (0.02) | 19.20 | 19.20 (0.02) | 19.20 (0.02) | ||||||||||||||
| g magnitude | 17.99 | 17.99 (0.006) | 17.99 (0.006) | |||||||||||||||
| r magnitude | 17.42 | 17.43 (0.002) | 17.42 (0.006) | |||||||||||||||
| i magnitude | 17.19 | 17.24 (0.003) | 17.19 (0.006) | |||||||||||||||
| z magnitude | 17.11 | 17.20 (0.006) | 17.12 (0.01) | |||||||||||||||
| G magnitude | 17.44 (0.01) | 17.46 | 17.46 | 17.44 | 17.44 (0.003) | 17.46 | ||||||||||||
| BP magnitude | 17.86 (0.01) | 17.89 | 17.89 | |||||||||||||||
| RP magnitude | 16.88 (0.006) | 16.90 | 16.90 | |||||||||||||||
| Pan g magnitude | 17.89 (0.01) | 17.91 (0.008) | 17.89 (0.01) | |||||||||||||||
| Pan r magnitude | 17.43 (0.002) | 17.43 (0.01) | 17.43 (0.002) | |||||||||||||||
| Pan i magnitude | 17.24 (0.004) | 17.23 (0.007) | 17.24 (0.003) | |||||||||||||||
| Pan z magnitude | 17.20 (0.006) | 17.18 (0.004) | 17.20 (0.006) | |||||||||||||||
| Pan y magnitude | 17.15 (0.005) | 17.16 (0.008) | 17.15 (0.006) | |||||||||||||||
| E(B-V) | 0.001 | |||||||||||||||||
* Constant surface field
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