SDSS J164927.24+212726.0
All names: Gaia DR2 4565666268484712064, SDSS J164927.24+212726.0, WD 1647+215, Gaia EDR3 4565666268484712064, Gaia DR3 4565666268484712064
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | MWDD H | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 49 27.24 (0.2) | 16 49 27.24 | 16 49 27.24 (0.2) | 16 49 27.24 (0.2) | 16 49 27.24 | 16 49 26.74 | 16 49 27.24 | |||||
| Declination | 21 27 26.05 (0.2) | 21 27 26.00 | 21 27 26.05 (0.3) | 21 27 26.00 (0.2) | 21 27 26.02 | 21 27 21.96 | 21 27 26.02 | |||||
| Spectral type | DA | DA | DAH | DA_auto | DA | DAH:M: | ||||||
| Effective temperature | [K] | 36849.0 (823) | 19544.0 | 38710.0 (1189) | 38124.0 (1154) | |||||||
| log(g) | [cgs] | 7.55 (0.1) | 7.01 | 7.64 (0.2) | 7.60 (0.2) | |||||||
| Mass | [M☉] | 0.47 (0.04) | 0.266 | |||||||||
| log(Luminosity) | [L☉] | -0.22 (0.09) | ||||||||||
| Cooling age | [Gyr] | 0.0030 (0.001) | 36.0800 | |||||||||
| 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] | 0.68 (0.3) | 0.92 (0.4) | 0.68 (0.3) | ||||||||
| Distance | [pc] | 1464.75 (570) | 1082.87 (426) | 1464.77 (570) | ||||||||
| Composition | H | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -4.447435668 (0.2) | -4.423376822 (0.4) | -4.447 (0.2) | -4.1 | |||||||
| Proper motion (declination) | [mas/yr] | 3.060492658 (0.3) | 4.354063959 (0.6) | 3.06 (0.3) | 4.6 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 18.95 (0.02) | 18.95 (0.02) | 18.96 (0.03) | 18.95 | 18.97 (0.03) | |||||||
| g magnitude | 19.22 (0.01) | 19.23 (0.01) | 19.22 (0.02) | 19.21 | 19.20 (0.02) | |||||||
| r magnitude | 19.65 (0.02) | 19.65 (0.01) | 19.60 (0.02) | 19.59 | 19.61 (0.02) | |||||||
| i magnitude | 19.99 (0.02) | 19.99 (0.02) | 19.97 (0.03) | 19.96 | 19.98 (0.03) | |||||||
| z magnitude | 20.48 (0.1) | 20.48 (0.1) | 20.45 (0.2) | 20.44 | 20.45 (0.2) | |||||||
| G magnitude | 19.43 (0.03) | 19.48 | 19.43 (0.004) | |||||||||
| BP magnitude | 19.34 (0.03) | 19.23 | ||||||||||
| RP magnitude | 19.65 (0.05) | 19.54 | ||||||||||
| Pan g magnitude | 19.28 (0.009) | |||||||||||
| Pan r magnitude | 19.68 (0.01) | |||||||||||
| Pan i magnitude | 19.98 (0.02) | |||||||||||
| Pan z magnitude | 20.23 (0.03) | |||||||||||
| Pan y magnitude | 19.97 (0.2) | |||||||||||
| E(B-V) | 0.042 | |||||||||||
* Constant surface field
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