SDSS J155647.01+373712.7
All names: WD 1554+377, GALEX J155647.0+373713, SDSS J155647.01+373712.7, Gaia DR2 1373473744613639680, Gaia EDR3 1373473744613639680, Gaia DR3 1373473744613639680
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 56 46.99 (0.3) | 15 56 47.01 | 15 56 46.99 (0.4) | 15 56 47.03 (0.3) | 15 56 47.01 | 15 56 46.54 | 15 56 47.01 | |||||
| Declination | 37 37 13.10 (0.3) | 37 37 12.77 | 37 37 13.09 (0.4) | 37 37 12.75 (0.3) | 37 37 12.71 | 37 37 11.28 | 37 37 12.71 | |||||
| Spectral type | DA | DA | DA_auto | DA | DA | DA | ||||||
| Effective temperature | [K] | 9285.0 | 9750.0 (192) | 9629.0 (217) | ||||||||
| log(g) | [cgs] | 8.72 | 8.53 (0.3) | 8.52 (0.3) | ||||||||
| Mass | [M☉] | 1.052 | 0.918 (0.2) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 2.5130 | ||||||||||
| 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] | 4.26 (0.4) | 4.86 (0.6) | 4.26 (0.4) | ||||||||
| Distance | [pc] | 234.72 (20) | 205.58 (24) | 234.72 (20) | ||||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -30.77774038 (0.3) | -30.90097989 (0.8) | -30.778 (0.3) | -23.2 | |||||||
| Proper motion (declination) | [mas/yr] | 22.11599989 (0.4) | 23.56782481 (1) | 22.116 (0.4) | 18.3 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 20.61 (0.06) | 20.61 (0.06) | 20.58 (0.07) | 20.58 | 20.59 (0.06) | |||||||
| g magnitude | 20.22 (0.02) | 20.22 (0.02) | 20.24 (0.02) | 20.23 | 20.21 (0.02) | |||||||
| r magnitude | 20.23 (0.02) | 20.23 (0.02) | 20.23 (0.03) | 20.22 | 20.22 (0.03) | |||||||
| i magnitude | 20.36 (0.03) | 20.36 (0.03) | 20.37 (0.03) | 20.36 | 20.35 (0.03) | |||||||
| z magnitude | 20.58 (0.2) | 20.58 (0.2) | 20.60 (0.2) | 20.59 | 20.57 (0.2) | |||||||
| G magnitude | 20.19 (0.06) | 20.25 | 20.19 (0.005) | |||||||||
| BP magnitude | 20.22 (0.06) | 20.17 | ||||||||||
| RP magnitude | 19.99 (0.06) | 20.01 | ||||||||||
| Pan g magnitude | 20.21 (0.01) | |||||||||||
| Pan r magnitude | 20.28 (0.01) | |||||||||||
| Pan i magnitude | 20.35 (0.02) | |||||||||||
| Pan z magnitude | 20.54 (0.04) | |||||||||||
| Pan y magnitude | 20.17 (0.09) | |||||||||||
| E(B-V) | 0.020 | |||||||||||
* Constant surface field
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