SDSS J150421.05-005613.8
All names: SDSSJ150421.07-005613.82, Gaia DR2 6340716057955538048, SDSS J150421.06-005613.8, SDSS J150421.07-005613.8, Gaia DR3 6340716057955701888, GALEX J150421.1-005613, WD 1501-007, SDSS J150421.07-005613.81, USNO-B1.0 0890-00243545, Gaia EDR3 6340716057955701888, SDSS J150421.05-005613.8, SDSS J150421.06-005613.9
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | SDSS DR10 | Geier 2020 | MWDD H | MWDD HE | Gaia DR2 | Kepler et al. 2015 | Harris et al. 2003 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 04 21.05 (0.3) | 15 04 21.06 | 15 04 21.06 | 15 04 21.07 | 15 04 21.05 (0.6) | 15 04 21.06 (0.3) | 15 04 21.06 | 15 04 20.47 | ||||||
| Declination | -00 56 13.86 (0.3) | -00 56 13.88 | -00 56 13.88 | -00 56 13.82 | -00 56 13.86 (0.5) | -00 56 13.84 (0.3) | -00 56 13.84 | -00 56 09.24 | ||||||
| Spectral type | sdB | A/sdB | A/sdB | A/sdB | DA2 | sdB | SDB | DA2 | ||||||
| Effective temperature | [K] | 23401.0 | 28626.0 | 31888.0 (483) | 28734.0 (967) | |||||||||
| log(g) | [cgs] | 7.61 | 7.76 | 5.54 (0.1) | 5.26 (0.2) | |||||||||
| Mass | [M☉] | 0.446 | 0.492 | |||||||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 0.0209 | 0.0118 | |||||||||||
| log(H/He) | ||||||||||||||
| log(C/He) | ||||||||||||||
| log(Ca/He) | ||||||||||||||
| log(Ca/H) | ||||||||||||||
| Parallax | [mas] | -0.42 (0.4) | -1.19 (0.6) | -1.19 (0.6) | ||||||||||
| Distance | [pc] | |||||||||||||
| Composition | ||||||||||||||
| Proper motion (right ascension) | [mas/yr] | -8.187330073 (0.4) | -8.232 (1) | -8.232101478 (1) | -8.187 (0.4) | 9.9 | ||||||||
| Proper motion (declination) | [mas/yr] | -1.276874641 (0.3) | -0.131 (1) | -0.131020945 (1) | -1.277 (0.3) | 0.4 | ||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | 18.80 | |||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | 18.80 | |||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | ||||||||||||||
| H magnitude | ||||||||||||||
| K magnitude | ||||||||||||||
| u magnitude | 19.13 (0.02) | 19.13 (0.02) | 19.19 (0.02) | 19.12 (0.03) | 19.19 | 19.18 (0.02) | 19.20 (0.03) | 19.19 | ||||||
| g magnitude | 19.32 (0.01) | 19.32 (0.01) | 19.32 (0.01) | 19.33 (0.02) | 19.35 | 19.32 (0.01) | 19.34 (0.02) | 19.35 | ||||||
| r magnitude | 19.76 (0.02) | 19.76 (0.02) | 19.76 (0.02) | 19.75 (0.02) | 19.78 | 19.76 (0.02) | 19.78 (0.02) | 19.78 | ||||||
| i magnitude | 20.07 (0.03) | 20.07 (0.03) | 20.11 (0.03) | 20.07 (0.03) | 20.11 | 20.13 (0.03) | 20.12 (0.03) | 20.11 | ||||||
| z magnitude | 20.36 (0.1) | 20.36 (0.1) | 20.49 (0.2) | 20.34 (0.1) | 20.44 | 20.51 (0.2) | 20.44 (0.1) | 20.44 | ||||||
| G magnitude | 19.52 (0.04) | 19.56 (0.006) | 19.56 | 19.52 (0.005) | ||||||||||
| BP magnitude | 19.36 (0.04) | 19.36 (0.05) | 19.36 | |||||||||||
| RP magnitude | 19.87 (0.1) | 19.75 (0.1) | 19.75 | |||||||||||
| Pan g magnitude | 19.35 (0.007) | 19.35 (0.007) | ||||||||||||
| Pan r magnitude | 19.74 (0.01) | 19.74 (0.01) | ||||||||||||
| Pan i magnitude | 20.07 (0.02) | 20.07 (0.02) | ||||||||||||
| Pan z magnitude | 20.39 (0.06) | 20.39 (0.06) | ||||||||||||
| Pan y magnitude | 20.02 (0.3) | 20.02 (0.3) | ||||||||||||
| E(B-V) | ||||||||||||||
* Constant surface field
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