GALEX 2733414536960803808
All names: SDSS J092017.92+243229.70, USNO-A2.0 1125-05874685, Gaia DR3 687556712844009216, GALEX 2733414536960803808, Gaia DR2 687556712844009216, Gaia EDR3 687556712844009216, SDSS J092017.92+243229.7
| 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 | 09 20 17.92 (0.3) | 09 20 17.92 | 09 20 17.92 (0.5) | 09 20 17.92 (0.5) | 09 20 17.92 | ||||||
| Declination | 24 32 29.78 (0.2) | 24 32 29.72 | 24 32 29.78 (0.4) | 24 32 29.75 (0.4) | 24 32 29.75 | ||||||
| Spectral type | DB | DB | DB | DC: | |||||||
| Effective temperature | [K] | 14097.0 | 11987.0 | 12772.0 (463) | |||||||
| log(g) | [cgs] | 9.41 | 8.50 | 9.15 (0.5) | |||||||
| Mass | [M☉] | 1.328 | 0.904 | 1.323 (0.1) | |||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.8179 | |||||||||
| log(H/He) | -4.814 | ||||||||||
| 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] | 3.15 (0.5) | 3.99 (0.7) | 3.99 (0.7) | |||||||
| Distance | [pc] | 317.46 (49) | 250.55 (43) | 250.54 (43) | |||||||
| Composition | He | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -4.995855065 (0.4) | -4.764653943 (0.9) | -4.765 (0.9) | |||||||
| Proper motion (declination) | [mas/yr] | 1.366376789 (0.3) | 1.824391346 (0.6) | 1.824 (0.6) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | 18.50 (0.3) | ||||||||||
| V magnitude | |||||||||||
| R magnitude | 19.00 (0.3) | ||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 19.50 (0.03) | 19.50 (0.03) | 19.50 (0.04) | ||||||||
| g magnitude | 19.48 (0.01) | 19.48 (0.01) | 19.49 (0.02) | ||||||||
| r magnitude | 19.70 (0.02) | 19.70 (0.02) | 19.71 (0.02) | ||||||||
| i magnitude | 19.86 (0.03) | 19.86 (0.03) | 19.89 (0.03) | ||||||||
| z magnitude | 20.22 (0.1) | 20.22 (0.1) | 20.17 (0.1) | ||||||||
| G magnitude | 19.57 (0.03) | 19.62 | 19.62 (0.004) | ||||||||
| BP magnitude | 19.63 (0.03) | 19.53 | |||||||||
| RP magnitude | 19.63 (0.07) | 19.55 | |||||||||
| Pan g magnitude | 19.50 (0.009) | ||||||||||
| Pan r magnitude | 19.70 (0.01) | ||||||||||
| Pan i magnitude | 19.89 (0.01) | ||||||||||
| Pan z magnitude | 20.07 (0.03) | ||||||||||
| Pan y magnitude | 19.75 (0.2) | ||||||||||
| E(B-V) | 0.031 | ||||||||||
* Constant surface field
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