SDSS J155107.40+404539.1
All names: Gaia EDR3 1383759744611163520, Gaia DR2 1383759744611163520, SDSS J155107.41+404539.1, GALEX J155107.4+404538, Gaia DR3 1383759744611163520, WD 1549+409, SDSS J155107.40+404539.1
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | MWDD HE | 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 51 07.39 (0.2) | 15 51 07.40 | 15 51 07.39 (0.3) | 15 51 07.40 (0.2) | 15 51 07.41 | 15 51 07.06 | 15 51 07.41 | ||||||
| Declination | 40 45 38.73 (0.3) | 40 45 39.13 | 40 45 38.75 (0.4) | 40 45 39.18 (0.3) | 40 45 39.10 | 40 45 32.40 | 40 45 39.11 | ||||||
| Spectral type | DC: | DC: | DC+M | DC: | DC: | DCM | DC | ||||||
| Effective temperature | [K] | 10252.0 | 10184.0 | 10469.0 (261) | 10398.0 (217) | ||||||||
| log(g) | [cgs] | 8.33 | 8.26 | 8.34 (0.5) | 8.90 (0.7) | ||||||||
| Mass | [M☉] | 0.81 | 0.744 | ||||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 0.9307 | 0.8690 | ||||||||||
| log(H/He) | |||||||||||||
| log(C/He) | |||||||||||||
| log(Ca/He) | |||||||||||||
| log(Ca/H) | |||||||||||||
| Parallax | [mas] | 3.78 (0.3) | 3.56 (0.4) | 3.78 (0.3) | |||||||||
| Distance | [pc] | 264.48 (22) | 281.28 (31) | 264.48 (22) | |||||||||
| Composition | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | -9.526498177 (0.4) | -7.498744061 (0.8) | -9.526 (0.4) | -5.5 | ||||||||
| Proper motion (declination) | [mas/yr] | -28.24359827 (0.4) | -30.94376665 (0.9) | -28.244 (0.4) | -26.1 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | |||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 20.07 (0.04) | 20.07 (0.04) | 20.03 (0.04) | 20.02 | 20.04 (0.04) | ||||||||
| g magnitude | 19.81 (0.01) | 19.81 (0.01) | 19.82 (0.02) | 19.82 | 19.83 (0.02) | ||||||||
| r magnitude | 19.88 (0.02) | 19.88 (0.02) | 19.89 (0.02) | 19.89 | 19.90 (0.02) | ||||||||
| i magnitude | 20.10 (0.03) | 20.10 (0.03) | 20.11 (0.03) | 20.11 | 20.11 (0.03) | ||||||||
| z magnitude | 20.32 (0.1) | 20.32 (0.1) | 20.28 (0.1) | 20.28 | 20.30 (0.1) | ||||||||
| G magnitude | 19.83 (0.05) | 19.89 | 19.83 (0.005) | ||||||||||
| BP magnitude | 19.81 (0.05) | 19.82 | |||||||||||
| RP magnitude | 19.86 (0.07) | 19.80 | |||||||||||
| Pan g magnitude | 19.85 (0.02) | ||||||||||||
| Pan r magnitude | 19.92 (0.01) | ||||||||||||
| Pan i magnitude | 20.12 (0.02) | ||||||||||||
| Pan z magnitude | 20.19 (0.04) | ||||||||||||
| Pan y magnitude | 20.31 (0.2) | ||||||||||||
| E(B-V) | 0.020 | ||||||||||||
* Constant surface field
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