WD 0909+200
All names: PM J09127+1951, Gaia DR3 636732410620758016, LSPM J0912+1951, LP 427-14, 09127+1951, NLTT 21204, Gaia DR2 636732410620758016, SDSS J091245.01+195154.8, SDSS J091245.02+195154.8, PSO J138.1872+19.8646, Gaia EDR3 636732410620758016, J0912+1951, 2MASS J09124510+1951566, TIC 85990421, WDJ091245.05+195155.93, WD 0909+200, USNO-B1.0 1098-00171053
| 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 | MWDD H | Gaia DR2 | Stilism | Limoges et al. 2015 | Sayres et al. 2012 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 12 44.94 (0.1) | 09 12 44.95 (0.2) | 09 12 44.95 (0.2) | 09 12 45.05 | 09 12 44.94 | 09 12 45.05 (0.1) | 09 12 44.95 | ||||||||||
| Declination | 19 51 52.38 (0.09) | 19 51 52.49 (0.3) | 19 51 52.49 (0.3) | 19 51 55.90 | 19 51 52.38 | 19 51 55.94 (0.09) | 19 51 52.49 | ||||||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DA | DA | DA9.0 | DC: | DA9 | ||||||
| Effective temperature | [K] | 5074.0 (12) | 5122.0 (65) | 5087.0 (12) | 5073.0 (12) | 5046.4 (49) | 5040.0 (25) | 5084.0 | 5040.0 (45) | 4950.0 (70) | 5202.0 (41) | ||||||
| log(g) | [cgs] | 8.04 (0.008) | 8.07 (0.05) | 8.05 (0.009) | 8.04 (0.01) | 8.02 (0.04) | 8.02 (0.02) | 8.05 | 8.00 (0) | 8.12 (0.02) | |||||||
| Mass | [M☉] | 0.607 (0.007) | 0.623 (0.03) | 0.615 (0.008) | 0.605 (0.008) | 0.592 (0.01) | 0.609 | 0.58 (0.1) | 0.657 (0.02) | ||||||||
| log(Luminosity) | [L☉] | -4.03 | |||||||||||||||
| Cooling age | [Gyr] | 6.1300 | 5.7370 (0.3) | 5.8530 | |||||||||||||
| 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] | 29.45 (0.1) | 29.45 (0.1) | 29.41 (0.2) | 29.41 (0.2) | 29.41 (0.2) | 29.41 (0.2) | 29.45 | 29.45 (0.1) | 29.41 (0.2) | |||||||
| Distance | [pc] | 33.95 (0.1) | 33.96 (0.1) | 34.00 (0.2) | 34.01 (0.2) | 34.01 (0.2) | 34.01 (0.2) | 34.00 (5) | 32.00 | 33.95 | 33.95 (0.1) | 34.01 (0.2) | |||||
| Composition | H | H | H | H | H | H | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -97.58190837 (0.1) | -98.04176938 (0.5) | -97.582 (0.1) | -98.04176938 | ||||||||||||
| Proper motion (declination) | [mas/yr] | -222.5647162 (0.1) | -222.2439032 (0.6) | -222.565 (0.1) | -222.2439032 | ||||||||||||
| Variability | |||||||||||||||||
| Magnetic | |||||||||||||||||
| Bd | [MG] | ||||||||||||||||
| Infrared excess (disk) | |||||||||||||||||
| Binarity | |||||||||||||||||
| B magnitude | 18.00 | ||||||||||||||||
| V magnitude | |||||||||||||||||
| R magnitude | 17.10 | ||||||||||||||||
| I magnitude | |||||||||||||||||
| J magnitude | 16.26 (0.01) | 16.06 (0.07) | 16.06 (0.07) | 16.06 (0.07) | |||||||||||||
| H magnitude | 15.90 (0.1) | 15.90 (0.1) | 15.90 (0.1) | 15.90 (0.1) | |||||||||||||
| K magnitude | 15.80 (0.2) | 15.80 (0.2) | 15.80 (0.2) | 15.80 (0.2) | |||||||||||||
| u magnitude | 19.69 (0.03) | 19.69 (0.04) | 19.68 (0.03) | 19.68 (0.03) | |||||||||||||
| g magnitude | 18.16 (0.01) | 18.06 (0.003) | 18.14 (0.006) | ||||||||||||||
| r magnitude | (0.01) | 17.46 (0.005) | 17.48 (0.006) | ||||||||||||||
| i magnitude | 17.19 (0.02) | 17.23 (0.003) | 17.21 (0.007) | ||||||||||||||
| z magnitude | 17.11 (0.02) | 17.15 (0.005) | 17.11 (0.01) | ||||||||||||||
| G magnitude | 17.49 (0.01) | 17.51 | 17.51 | 17.49 | 17.49 (0.003) | 17.51 | |||||||||||
| BP magnitude | 17.96 (0.01) | 17.97 | 17.97 | ||||||||||||||
| RP magnitude | 16.90 (0.008) | 16.89 | 16.89 | ||||||||||||||
| Pan g magnitude | 18.06 (0.004) | 18.06 (0.003) | 18.06 (0.003) | ||||||||||||||
| Pan r magnitude | 17.46 (0.005) | 17.46 (0.005) | 17.46 (0.005) | ||||||||||||||
| Pan i magnitude | 17.23 (0.003) | 17.23 (0.003) | 17.23 (0.003) | ||||||||||||||
| Pan z magnitude | 17.15 (0.007) | 17.15 (0.005) | 17.15 (0.005) | ||||||||||||||
| Pan y magnitude | 17.13 (0.02) | 17.13 (0.02) | 17.13 (0.02) | ||||||||||||||
| E(B-V) | 0.001 | ||||||||||||||||
* Constant surface field
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