WD 1620+513
All names: Gaia DR2 1424446970534319104, 2MASS J16212397+5111367, WD 1620+513, SDSS J162124.04+511136.8, SDSS J162124.04+511137.4, TIC 162618409, GALEX J162124.0+511137, SBSS 1620+513, Gaia EDR3 1424446970534319104, SDSS J162124.04+511137.0, Gaia DR3 1424446970534319104, SDSS J162124.03+511136.8, PG 1620+513
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Gianninas et al. 2011 | Liebert et al. 2005 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 21 24.06 (0.03) | 16 21 24.04 | 16 21 24.06 (0.05) | 16 21 24.06 | 16 21 24.04 (0.03) | 16 21 23.23 | |||||||
| Declination | 51 11 37.65 (0.03) | 51 11 36.88 | 51 11 37.62 (0.05) | 51 11 37.65 | 51 11 36.87 (0.03) | 51 11 35.52 | |||||||
| Spectral type | DA | DA | DA | DA2.3 | DA4 | DA | |||||||
| Effective temperature | [K] | 19023.0 | 21880.0 (398) | 20890.0 (382) | 21130.0 (333) | ||||||||
| log(g) | [cgs] | 7.87 | 7.94 (0.06) | 7.92 (0.05) | 7.99 (0.01) | ||||||||
| Mass | [M☉] | 0.551 | 0.59 (0.03) | 0.58 (0.03) | 0.618 (0.01) | ||||||||
| log(Luminosity) | [L☉] | -1.48 | |||||||||||
| Cooling age | [Gyr] | 0.0621 | 0.0631 | ||||||||||
| 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] | 9.39 (0.04) | 9.38 (0.05) | 9.39 | 9.39 (0.04) | ||||||||
| Distance | [pc] | 106.48 (0.4) | 106.56 (0.6) | 123.00 | 122.00 | 106.48 | 106.48 (0.4) | ||||||
| Composition | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 6.80734311 (0.05) | 6.623996707 (0.1) | 6.807 (0.05) | |||||||||
| Proper motion (declination) | [mas/yr] | 48.4466105 (0.05) | 48.62749842 (0.1) | 48.447 (0.05) | |||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 16.00 | ||||||||||||
| V magnitude | 15.97 | ||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 16.25 (0.09) | ||||||||||||
| H magnitude | 16.18 (0.2) | ||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 15.59 (0.004) | 15.59 (0.004) | |||||||||||
| g magnitude | 15.61 (0.003) | 15.61 (0.003) | |||||||||||
| r magnitude | 16.00 (0.004) | 16.00 (0.004) | |||||||||||
| i magnitude | 16.30 (0.004) | 16.30 (0.004) | |||||||||||
| z magnitude | 16.60 (0.009) | 16.60 (0.009) | |||||||||||
| G magnitude | 15.81 (0.003) | 15.83 | 15.81 | 15.81 (0.003) | |||||||||
| BP magnitude | 15.73 (0.003) | 15.69 | |||||||||||
| RP magnitude | 16.00 (0.004) | 16.00 | |||||||||||
| Pan g magnitude | 15.67 (0.004) | ||||||||||||
| Pan r magnitude | 16.00 (0.003) | ||||||||||||
| Pan i magnitude | 16.31 (0.004) | ||||||||||||
| Pan z magnitude | 16.58 (0.003) | ||||||||||||
| Pan y magnitude | 16.76 (0.005) | ||||||||||||
| E(B-V) | 0.013 | ||||||||||||
* Constant surface field
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