GALEX 2679934282795844034
All names: Gaia EDR3 1369323191297826944, SDSS J154544.06+311528.9, GALEX 2679934282795844034, USNO-A2.0 1200-07645411, Gaia DR2 1369323191297826944, SDSS J154544.05+311528.9, SDSS J154544.06+311528.90, Gaia DR3 1369323191297826944
| 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 45 44.01 (0.2) | 15 45 44.05 | 15 45 44.01 (0.3) | 15 45 44.07 (0.3) | 15 45 44.06 | ||||||
| Declination | 31 15 29.11 (0.3) | 31 15 28.91 | 31 15 29.10 (0.4) | 31 15 28.92 (0.4) | 31 15 28.92 | ||||||
| Spectral type | DB: | DB | DB: | DB | |||||||
| Effective temperature | [K] | 14478.0 | 11343.0 | 12380.0 (444) | |||||||
| log(g) | [cgs] | 8.93 | 8.26 | 7.69 (0.4) | |||||||
| Mass | [M☉] | 1.155 | 0.744 | ||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.6633 | |||||||||
| log(H/He) | -5.287 | ||||||||||
| 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] | 2.64 (0.3) | 3.20 (0.5) | 3.20 (0.5) | |||||||
| Distance | [pc] | 378.55 (48) | 312.30 (50) | 312.30 (50) | |||||||
| Composition | He | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -43.31070101 (0.3) | -42.65704348 (0.9) | -42.657 (0.9) | |||||||
| Proper motion (declination) | [mas/yr] | 11.74858438 (0.4) | 11.74907749 (1) | 11.749 (1) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | 18.90 (0.3) | ||||||||||
| V magnitude | |||||||||||
| R magnitude | 19.40 (0.3) | ||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 19.76 (0.03) | 19.76 (0.03) | 19.78 (0.05) | ||||||||
| g magnitude | 19.71 (0.01) | 19.71 (0.01) | 19.71 (0.02) | ||||||||
| r magnitude | 19.88 (0.02) | 19.88 (0.02) | 19.92 (0.02) | ||||||||
| i magnitude | 20.05 (0.03) | 20.05 (0.03) | 20.04 (0.03) | ||||||||
| z magnitude | 20.15 (0.1) | 20.15 (0.1) | 20.22 (0.1) | ||||||||
| G magnitude | 19.78 (0.04) | 19.83 | 19.83 (0.005) | ||||||||
| BP magnitude | 19.77 (0.04) | 19.78 | |||||||||
| RP magnitude | 19.72 (0.06) | 19.85 | |||||||||
| Pan g magnitude | 19.74 (0.02) | ||||||||||
| Pan r magnitude | 19.92 (0.02) | ||||||||||
| Pan i magnitude | 20.07 (0.01) | ||||||||||
| Pan z magnitude | 20.26 (0.04) | ||||||||||
| Pan y magnitude | 20.07 (0.4) | ||||||||||
| E(B-V) | 0.026 | ||||||||||
* Constant surface field
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