SDSS J155538.75+351445.7
All names: Gaia EDR3 1371892372014993280, Gaia DR2 1371892372014993280, SDSS J155538.75+351445.7, WD 1553+353.1, SDSS J155538.75+351445.8, Gaia DR3 1371892372014993280, SDSS J155538.74+351445.7, GALEX J155538.7+351445
| 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 55 38.74 (0.2) | 15 55 38.75 | 15 55 38.74 (0.2) | 15 55 38.74 (0.2) | 15 55 38.75 | 15 55 38.35 | 15 55 38.75 | |||||
| Declination | 35 14 45.52 (0.2) | 35 14 45.75 | 35 14 45.53 (0.3) | 35 14 45.79 (0.2) | 35 14 45.77 | 35 14 43.08 | 35 14 45.77 | |||||
| Spectral type | DA | DA | DA_auto | DA | DA | DA | ||||||
| Effective temperature | [K] | 22116.0 | 25429.0 (693) | 25301.0 (673) | ||||||||
| log(g) | [cgs] | 7.42 | 7.83 (0.1) | 7.73 (0.1) | ||||||||
| Mass | [M☉] | 0.377 | 0.512 (0.05) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.0224 | ||||||||||
| 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] | 1.27 (0.3) | 1.05 (0.3) | 1.27 (0.3) | ||||||||
| Distance | [pc] | 788.81 (158) | 949.03 (307) | 788.83 (158) | ||||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -0.23069354 (0.2) | -0.249487968 (0.5) | -0.231 (0.2) | 9.8 | |||||||
| Proper motion (declination) | [mas/yr] | -16.9896679 (0.3) | -17.92843437 (0.6) | -16.99 (0.3) | -12.0 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 19.31 (0.03) | 19.31 (0.03) | 19.35 (0.03) | 19.34 | 19.32 (0.03) | |||||||
| g magnitude | 19.42 (0.01) | 19.42 (0.01) | 19.43 (0.02) | 19.43 | 19.42 (0.02) | |||||||
| r magnitude | 19.81 (0.02) | 19.81 (0.02) | 19.81 (0.03) | 19.81 | 19.80 (0.03) | |||||||
| i magnitude | 20.11 (0.03) | 20.11 (0.03) | 20.12 (0.03) | 20.12 | 20.11 (0.03) | |||||||
| z magnitude | 20.36 (0.1) | 20.36 (0.1) | 20.40 (0.2) | 20.40 | 20.37 (0.1) | |||||||
| G magnitude | 19.62 (0.03) | 19.67 | 19.62 (0.004) | |||||||||
| BP magnitude | 19.53 (0.03) | 19.58 | ||||||||||
| RP magnitude | 19.86 (0.05) | 19.84 | ||||||||||
| Pan g magnitude | 19.43 (0.02) | |||||||||||
| Pan r magnitude | 19.82 (0.01) | |||||||||||
| Pan i magnitude | 20.13 (0.02) | |||||||||||
| Pan z magnitude | 20.44 (0.03) | |||||||||||
| Pan y magnitude | 20.28 (0.2) | |||||||||||
| E(B-V) | 0.023 | |||||||||||
* Constant surface field
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