USNO-B1.0 0909-00519929
All names: WD 2046+007A, Gaia DR2 4228449385142100480, 2MASS J20483831+0056011, HS 2046+0044, TIC 466962838, GALEX J204838.2+005601, USNO-B1.0 0909-00519929, Gaia EDR3 4228449385142100480, SDSS J204838.30+005600.9, WD 2046+007.1, Gaia DR3 4228449385142100480
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | Gaia DR2 | Stilism | Koester et al. 2009 | Koester et al. 2005 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 20 48 38.32 (0.05) | 20 48 38.32 (0.07) | 20 48 38.32 | 20 48 38.30 (0.05) | 20 48 38.04 | ||||||
| Declination | 00 56 01.17 (0.03) | 00 56 01.16 (0.06) | 00 56 01.17 | 00 56 00.94 (0.03) | 00 55 56.64 | ||||||
| Spectral type | DA | DA | DA | DA | DA1.9 | ||||||
| Effective temperature | [K] | 22539.0 | 27096.0 (32) | 26600.0 | 26145.0 (332) | ||||||
| log(g) | [cgs] | 7.21 | 8.15 (0.005) | 7.80 | 7.38 (0.02) | ||||||
| Mass | [M☉] | 0.323 | 0.381 (0.007) | ||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.0197 | |||||||||
| 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] | 4.63 (0.06) | 4.57 (0.08) | 4.63 | 4.63 (0.06) | ||||||
| Distance | [pc] | 216.17 (3) | 218.70 (4) | 216.17 | 216.17 (3) | ||||||
| Composition | H | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | 21.47422887 (0.07) | 21.8518732 (0.1) | 21.474 (0.07) | |||||||
| Proper motion (declination) | [mas/yr] | 14.18060009 (0.05) | 14.15564302 (0.1) | 14.181 (0.05) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | 15.90 | 16.70 | |||||||||
| V magnitude | |||||||||||
| R magnitude | 16.40 | ||||||||||
| I magnitude | |||||||||||
| J magnitude | 16.40 (0.1) | ||||||||||
| H magnitude | 16.60 (0.03) | ||||||||||
| K magnitude | 16.80 (0.07) | ||||||||||
| u magnitude | 15.69 (0.01) | ||||||||||
| g magnitude | 15.82 (0.009) | ||||||||||
| r magnitude | 16.20 (0.01) | ||||||||||
| i magnitude | 16.53 (0.01) | ||||||||||
| z magnitude | 16.80 (0.02) | ||||||||||
| G magnitude | 16.00 (0.002) | 16.03 | 16.00 | 16.00 (0.003) | |||||||
| BP magnitude | 15.89 (0.002) | 15.86 | |||||||||
| RP magnitude | 16.23 (0.005) | 16.24 | |||||||||
| Pan g magnitude | 15.85 (0.006) | ||||||||||
| Pan r magnitude | 16.23 (0.003) | ||||||||||
| Pan i magnitude | 16.55 (0.004) | ||||||||||
| Pan z magnitude | 16.84 (0.003) | ||||||||||
| Pan y magnitude | 17.02 (0.01) | ||||||||||
| E(B-V) | 0.029 | ||||||||||
* Constant surface field
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