GALEX 2686548949043512093
All names: SDSS J153236.90+491011.10, SDSS J153236.90+491011.1, USNO-A2.0 1350-08649835, GALEX 2686548949043512093, Gaia DR2 1402279437433014528, Gaia DR3 1402279437433014528, SDSS J153236.89+491011.1, Gaia EDR3 1402279437433014528
| 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 32 36.92 (0.2) | 15 32 36.90 | 15 32 36.92 (0.3) | 15 32 36.89 (0.3) | 15 32 36.90 | ||||||
| Declination | 49 10 10.93 (0.2) | 49 10 11.19 | 49 10 10.94 (0.3) | 49 10 11.24 (0.3) | 49 10 11.12 | ||||||
| Spectral type | DB | DB | DB | DB | |||||||
| Effective temperature | [K] | 13751.0 | 12456.0 | 13534.0 (291) | |||||||
| log(g) | [cgs] | 7.84 | 7.85 | 7.98 (0.2) | |||||||
| Mass | [M☉] | 0.501 | 0.502 | 0.568 (0.1) | |||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.2804 | |||||||||
| log(H/He) | <-6.207 | ||||||||||
| 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] | 2.55 (0.3) | 2.39 (0.3) | 2.39 (0.3) | |||||||
| Distance | [pc] | 391.55 (40) | 417.72 (58) | 417.73 (58) | |||||||
| Composition | He | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 17.89099472 (0.3) | 17.23999929 (0.5) | 17.24 (0.5) | |||||||
| Proper motion (declination) | [mas/yr] | -19.7282806 (0.3) | -19.43038141 (0.6) | -19.43 (0.6) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | 18.60 (0.3) | ||||||||||
| V magnitude | |||||||||||
| R magnitude | 19.10 (0.3) | ||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 19.57 (0.03) | 19.57 (0.03) | 19.56 (0.03) | ||||||||
| g magnitude | 19.51 (0.01) | 19.52 (0.01) | 19.53 (0.03) | ||||||||
| r magnitude | 19.71 (0.02) | 19.71 (0.02) | 19.72 (0.02) | ||||||||
| i magnitude | 19.96 (0.03) | 19.96 (0.03) | 19.97 (0.04) | ||||||||
| z magnitude | 20.04 (0.2) | 20.04 (0.2) | 20.08 (0.2) | ||||||||
| G magnitude | 19.62 (0.06) | 19.68 | 19.68 (0.005) | ||||||||
| BP magnitude | 19.64 (0.06) | 19.53 | |||||||||
| RP magnitude | 19.63 (0.06) | 19.48 | |||||||||
| Pan g magnitude | 19.53 (0.01) | ||||||||||
| Pan r magnitude | 19.75 (0.02) | ||||||||||
| Pan i magnitude | 19.95 (0.02) | ||||||||||
| Pan z magnitude | 20.13 (0.06) | ||||||||||
| Pan y magnitude | 19.80 (0.1) | ||||||||||
| E(B-V) | 0.019 | ||||||||||
* Constant surface field
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