WD 1025+197
All names: GALEX J102747.6+192824, 2MASS J10274785+1928246, SDSS J102747.63+192824.1, Gaia EDR3 624510170646474112, WDJ102747.78+192824.44, PSO J156.9478+19.4732, LSPM J1027+1928, SDSS J102747.64+192824.2, Gaia DR2 624510170646474112, USNO-B1.0 1094-00181373, WIRED J102747.63+192824.1, SDSS J102747.64+192824.1, J1027+1928, Gaia DR3 624510170646474112, WD 1025+197, NLTT 24406, TIC 171600672, LP 430-25
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Kilic et al. 2025 | Caron et al. 2023 | Kilic et al. 2020 | Blouin et al. 2019 | MWDD H | Gaia DR2 | Stilism | Sayres et al. 2012 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 27 47.34 (0.07) | 10 27 47.64 | 10 27 47.36 (0.1) | 10 27 47.80 | 10 27 47.34 | 10 27 47.78 (0.07) | 10 27 47.36 | 10 27 47.64 | |||||||||
| Declination | 19 28 23.52 (0.07) | 19 28 24.13 | 19 28 23.55 (0.1) | 19 28 24.60 | 19 28 23.52 | 19 28 24.44 (0.07) | 19 28 23.55 | 19 28 24.18 | |||||||||
| Spectral type | DA | DA | DA | DA | DA6.0 | DA6.0 | DA | DA6 | DA | DA | DA | ||||||
| Effective temperature | [K] | 7178.0 (43) | 7260.0 (38) | 7178.0 (43) | 7075.0 (65) | 7093.0 | 7140.0 (70) | 7251.0 (74) | 7006.0 (31) | ||||||||
| log(g) | [cgs] | 8.39 (0.01) | 8.43 (0.01) | 8.40 (0.01) | 8.38 (0.02) | 8.38 | 8.34 (0.1) | 8.40 (0.02) | 8.12 (0.05) | ||||||||
| Mass | [M☉] | 0.842 (0.01) | 0.867 (0.01) | 0.849 (0.01) | 0.837 (0.01) | 0.836 | 0.852 (0.01) | 0.662 (0.03) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||||||||
| Cooling age | [Gyr] | 3.4000 | 3.2300 (0.1) | 3.1980 | |||||||||||||
| log(H/He) | |||||||||||||||||
| log(C/He) | |||||||||||||||||
| log(Ca/He) | |||||||||||||||||
| log(Ca/H) | |||||||||||||||||
| log(Li/H) | |||||||||||||||||
| log(Be/H) | |||||||||||||||||
| log(B/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(Cl/H) | |||||||||||||||||
| log(K/H) | |||||||||||||||||
| log(Sc/H) | |||||||||||||||||
| log(Ti/H) | |||||||||||||||||
| log(V/H) | |||||||||||||||||
| log(Cr/H) | |||||||||||||||||
| log(Mn/H) | |||||||||||||||||
| log(Fe/H) | |||||||||||||||||
| log(Co/H) | |||||||||||||||||
| log(Ni/H) | |||||||||||||||||
| log(Cu/H) | |||||||||||||||||
| log(Sr/H) | |||||||||||||||||
| Parallax | [mas] | 22.11 (0.09) | 22.30 (0.1) | 22.30 (0.1) | 22.30 (0.1) | 22.11 | 22.11 (0.09) | 22.30 (0.1) | |||||||||
| Distance | [pc] | 45.22 (0.2) | 44.84 (0.3) | 44.84 (0.3) | 44.84 (0.3) | 59.50 | 45.22 | 45.22 (0.2) | 44.84 (0.3) | ||||||||
| Composition | H | H | H | H | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -383.8146622 (0.08) | -383.7413369 (0.2) | -383.815 (0.08) | -383.741 | ||||||||||||
| Proper motion (declination) | [mas/yr] | -57.56435212 (0.07) | -57.72603267 (0.2) | -57.564 (0.07) | -57.726 | ||||||||||||
| Variability | |||||||||||||||||
| Magnetic | |||||||||||||||||
| Bd | [MG] | ||||||||||||||||
| Infrared excess (disk) | |||||||||||||||||
| Binarity | |||||||||||||||||
| B magnitude | 17.80 | ||||||||||||||||
| V magnitude | |||||||||||||||||
| R magnitude | 17.02 | ||||||||||||||||
| I magnitude | |||||||||||||||||
| J magnitude | 16.62 (0.02) | 16.42 (0.1) | 16.42 (0.1) | 16.42 (0.1) | |||||||||||||
| H magnitude | 16.45 (0.2) | 16.45 (0.2) | 16.45 (0.2) | 16.45 (0.2) | |||||||||||||
| K magnitude | 16.94 (0.03) | 16.94 | |||||||||||||||
| u magnitude | 17.87 (0.01) | 17.87 (0.01) | 17.88 (0.01) | 17.87 (0.01) | 17.87 (0.01) | 17.89 (0.02) | |||||||||||
| g magnitude | 17.38 (0.005) | 17.39 (0.005) | 17.38 (0.003) | 17.38 (0.005) | 17.42 (0.02) | ||||||||||||
| r magnitude | 17.22 (0.005) | (0.005) | 17.23 (0.005) | 17.22 (0.005) | 17.23 (0.02) | ||||||||||||
| i magnitude | 17.18 (0.006) | 17.18 (0.005) | 17.18 (0.006) | 17.18 (0.006) | 17.18 (0.02) | ||||||||||||
| z magnitude | 17.24 (0.01) | 17.25 (0.01) | 17.26 (0.007) | 17.24 (0.01) | 17.25 (0.02) | ||||||||||||
| G magnitude | 17.20 (0.01) | 17.21 | 17.20 | 17.20 (0.003) | 17.21 | ||||||||||||
| BP magnitude | 17.38 (0.01) | 17.38 | 17.38 | ||||||||||||||
| RP magnitude | 16.88 (0.006) | 16.89 | 16.89 | ||||||||||||||
| Pan g magnitude | 17.38 (0.004) | 17.38 (0.003) | 17.38 (0.003) | ||||||||||||||
| Pan r magnitude | 17.23 (0.006) | 17.23 (0.005) | 17.23 (0.005) | ||||||||||||||
| Pan i magnitude | 17.23 (0.01) | 17.23 (0.01) | 17.23 (0.01) | ||||||||||||||
| Pan z magnitude | 17.26 (0.007) | 17.26 (0.007) | 17.26 (0.007) | ||||||||||||||
| Pan y magnitude | 17.27 (0.02) | 17.27 (0.03) | 17.27 (0.03) | ||||||||||||||
| E(B-V) | 0.001 | ||||||||||||||||
* Constant surface field
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