SDSS J155355.96+085211.4
All names: SDSS J155355.96+085211.4, Gaia EDR3 4454477467931241088, GALEX J155355.9+085211, Gaia DR3 4454477467931241088, SDSS J155355.97+085211.4, WD 1551+090, SDSS J155355.97+085211.5, Gaia DR2 4454477467931241088
| 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 53 55.95 (0.3) | 15 53 55.97 | 15 53 55.95 (0.4) | 15 53 55.97 (0.3) | 15 53 55.97 | 15 53 55.85 | 15 53 55.97 | |||||
| Declination | 08 52 11.20 (0.3) | 08 52 11.45 | 08 52 11.21 (0.3) | 08 52 11.49 (0.3) | 08 52 11.46 | 08 52 05.52 | 08 52 11.46 | |||||
| Spectral type | DA | DA | DA_auto | DA | DA | DA | ||||||
| Effective temperature | [K] | 16349.0 | 13242.0 (578) | 13973.0 (748) | ||||||||
| log(g) | [cgs] | 8.03 | 7.64 (0.1) | 7.69 (0.1) | ||||||||
| Mass | [M☉] | 0.635 | 0.475 (0.07) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.1581 | ||||||||||
| 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] | 2.11 (0.4) | 2.17 (0.5) | 2.11 (0.4) | ||||||||
| Distance | [pc] | 473.17 (86) | 461.51 (106) | 473.17 (86) | ||||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -20.46847361 (0.4) | -20.05229775 (0.9) | -20.468 (0.4) | -21.9 | |||||||
| Proper motion (declination) | [mas/yr] | -18.36781817 (0.3) | -17.23861135 (0.6) | -18.368 (0.3) | -16.5 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 20.05 (0.04) | 20.05 (0.04) | 20.09 (0.04) | 20.08 | 20.08 (0.04) | |||||||
| g magnitude | 19.65 (0.01) | 19.65 (0.01) | 19.65 (0.02) | 19.65 | 19.65 (0.02) | |||||||
| r magnitude | 19.87 (0.02) | 19.87 (0.02) | 19.84 (0.02) | 19.84 | 19.85 (0.02) | |||||||
| i magnitude | 20.12 (0.03) | 20.12 (0.03) | 20.10 (0.03) | 20.10 | 20.12 (0.03) | |||||||
| z magnitude | 20.32 (0.1) | 20.32 (0.1) | 20.30 (0.1) | 20.29 | 20.31 (0.1) | |||||||
| G magnitude | 19.74 (0.04) | 19.80 | 19.74 (0.005) | |||||||||
| BP magnitude | 19.79 (0.04) | 19.74 | ||||||||||
| RP magnitude | 19.90 (0.06) | 19.91 | ||||||||||
| Pan g magnitude | 19.63 (0.01) | |||||||||||
| Pan r magnitude | 19.84 (0.009) | |||||||||||
| Pan i magnitude | 20.09 (0.01) | |||||||||||
| Pan z magnitude | 20.31 (0.05) | |||||||||||
| Pan y magnitude | ||||||||||||
| E(B-V) | 0.036 | |||||||||||
* Constant surface field
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