WD 1848+688
All names: LSPM J1848+6852W, 2MASS J18484181+6852377, WD 1848+688, CCDM J18487+6853B, TIC 229770890, J1848+6852, ** LDS 2421B, Gaia DR3 2259262581356603136, IDS 18494+6844 B, USNO-B1.0 1588-00153564, NLTT 47097, WDS J18488+6853B, Gaia DR2 2259262581356603136, Gaia EDR3 2259262581356603136, LP 72-126, WDJ184841.70+685238.35
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Caron et al. 2023 | MWDD H | Gaia DR2 | Tremblay et al. 2017 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 18 48 41.93 (0.06) | 18 48 41.92 (0.09) | 18 48 41.93 | 18 48 41.70 (0.06) | 18 48 41.92 | ||||||
| Declination | 68 52 40.96 (0.06) | 68 52 40.88 (0.08) | 68 52 40.96 | 68 52 38.35 (0.06) | 68 52 40.88 | ||||||
| Spectral type | DA | DA | DA | DA | |||||||
| Effective temperature | [K] | 6994.0 (22) | 7025.0 | 7118.0 (75) | |||||||
| log(g) | [cgs] | 7.40 (0.01) | 7.41 | 7.43 (0.02) | |||||||
| Mass | [M☉] | 0.305 (0.006) | 0.31 | 0.319 (0.01) | |||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.7900 | 0.7993 | ||||||||
| 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] | 11.28 (0.07) | 11.31 (0.09) | 11.31 (0.09) | 11.09 (0.4) | 11.28 | 11.28 (0.07) | 11.31 (0.09) | |||
| Distance | [pc] | 88.68 (0.5) | 88.42 (0.7) | 88.45 (0.7) | 90.17 (3) | 88.68 | 88.68 (0.5) | 88.45 (0.7) | |||
| Composition | H | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | 78.20116649 (0.08) | 77.87640303 (0.2) | 78.201 (0.08) | 77.87640303 | ||||||
| Proper motion (declination) | [mas/yr] | 163.4454031 (0.07) | 163.4750366 (0.2) | 163.445 (0.07) | 163.4750366 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | 17.40 | ||||||||||
| V magnitude | 17.18 (0.05) | ||||||||||
| R magnitude | 17.40 | ||||||||||
| I magnitude | |||||||||||
| J magnitude | 16.52 (0.1) | 16.52 (0.1) | |||||||||
| H magnitude | 16.38 (0.2) | 16.38 (0.2) | |||||||||
| K magnitude | |||||||||||
| u magnitude | |||||||||||
| g magnitude | |||||||||||
| r magnitude | |||||||||||
| i magnitude | |||||||||||
| z magnitude | |||||||||||
| G magnitude | 17.37 (0.01) | 17.39 | 17.34 (0.004) | 17.37 | 17.37 (0.003) | 17.39 | |||||
| BP magnitude | 17.57 (0.01) | 17.56 | 17.56 | ||||||||
| RP magnitude | 17.05 (0.009) | 17.05 | 17.05 | ||||||||
| Pan g magnitude | 17.56 (0.0008) | 17.56 (0.001) | |||||||||
| Pan r magnitude | 17.42 (0.003) | 17.42 (0.003) | |||||||||
| Pan i magnitude | 17.39 (0.003) | 17.39 (0.004) | |||||||||
| Pan z magnitude | 17.43 (0.01) | 17.43 (0.007) | |||||||||
| Pan y magnitude | 17.46 (0.01) | 17.46 (0.01) | |||||||||
| E(B-V) | 0.011 | ||||||||||
* Constant surface field
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