GALEX 2688202614531690111
All names: SDSS J152843.28+412426.7, USNO-A2.0 1275-08671336, Gaia EDR3 1390605888121045504, SDSS J152843.27+412426.7, Gaia DR2 1390605888121045504, GALEX 2688202614531690111, SDSS J152843.28+412426.70, Gaia DR3 1390605888121045504
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Genest-Beaulieu & Bergeron 2019 (spectroscopic) | MWDD HE | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 28 43.26 (0.3) | 15 28 43.28 | 15 28 43.26 (0.4) | 15 28 43.28 (0.4) | 15 28 43.28 | ||||||
| Declination | 41 24 26.50 (0.3) | 41 24 26.71 | 41 24 26.51 (0.3) | 41 24 26.72 (0.3) | 41 24 26.67 | ||||||
| Spectral type | DB | DB | DB | DB | |||||||
| Effective temperature | [K] | 12220.0 | 11574.0 | 13295.0 (547) | |||||||
| log(g) | [cgs] | 7.49 | 7.39 | 8.43 (0.4) | |||||||
| Mass | [M☉] | 0.34 | 0.305 | 0.851 (0.2) | |||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.2278 | |||||||||
| log(H/He) | -5.471 | ||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| log(N/He) | |||||||||||
| log(O/He) | |||||||||||
| log(Na/He) | |||||||||||
| log(Mg/He) | |||||||||||
| log(Al/He) | |||||||||||
| log(Si/He) | |||||||||||
| log(P/He) | |||||||||||
| log(S/He) | |||||||||||
| log(Cl/He) | |||||||||||
| log(Sc/He) | |||||||||||
| log(Ti/He) | |||||||||||
| log(V/He) | |||||||||||
| log(Cr/He) | |||||||||||
| log(Mn/He) | |||||||||||
| log(Fe/He) | |||||||||||
| log(Co/He) | |||||||||||
| log(Ni/He) | |||||||||||
| log(Cu/He) | |||||||||||
| log(Zn/He) | |||||||||||
| log(Ga/He) | |||||||||||
| log(Ge/He) | |||||||||||
| log(Sr/He) | |||||||||||
| Parallax | [mas] | 2.10 (0.3) | 1.62 (0.4) | 1.62 (0.4) | |||||||
| Distance | [pc] | 475.44 (77) | 617.40 (151) | 617.40 (151) | |||||||
| Composition | He | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -15.83268911 (0.4) | -17.12019941 (0.8) | -17.12 (0.8) | |||||||
| Proper motion (declination) | [mas/yr] | -15.05376336 (0.4) | -13.90322051 (0.8) | -13.903 (0.8) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | 19.00 (0.3) | ||||||||||
| V magnitude | |||||||||||
| R magnitude | 19.30 (0.3) | ||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 19.98 (0.04) | 19.98 (0.04) | 20.01 (0.04) | ||||||||
| g magnitude | 19.93 (0.02) | 19.93 (0.01) | 19.94 (0.02) | ||||||||
| r magnitude | 20.15 (0.02) | 20.15 (0.02) | 20.16 (0.02) | ||||||||
| i magnitude | 20.35 (0.03) | 20.35 (0.03) | 20.37 (0.04) | ||||||||
| z magnitude | 20.76 (0.2) | 20.76 (0.2) | 20.81 (0.2) | ||||||||
| G magnitude | 20.02 (0.05) | 20.09 | 20.09 (0.006) | ||||||||
| BP magnitude | 20.00 (0.05) | 20.01 | |||||||||
| RP magnitude | 20.03 (0.08) | 19.95 | |||||||||
| Pan g magnitude | 19.98 (0.02) | ||||||||||
| Pan r magnitude | 20.12 (0.02) | ||||||||||
| Pan i magnitude | 20.34 (0.02) | ||||||||||
| Pan z magnitude | 20.48 (0.07) | ||||||||||
| Pan y magnitude | 20.44 (0.2) | ||||||||||
| E(B-V) | 0.023 | ||||||||||
* Constant surface field
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