Gaia DR2 14895255820376064
All names: Gaia EDR3 14895255820376064, Gaia DR2 14895255820376064, Gaia DR3 14895255820376064, J0309+0953, WDJ030926.64+095351.01, WDJ030926.64+095351.00, GALEX J030926.6+095352, SDSS J030926.65+095350.8, SDSS J030926.65+095350.7
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Caron et al. 2023 | Kilic et al. 2020 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 03 09 26.69 (0.2) | 03 09 26.69 | 03 09 26.64 (0.2) | 03 09 26.69 | ||||||||
| Declination | 09 53 50.01 (0.2) | 09 53 50.04 | 09 53 50.99 (0.2) | 09 53 50.04 | ||||||||
| Spectral type | DC | DC | DC | DC | ||||||||
| Effective temperature | [K] | 5894.0 (60) | 5892.0 (72) | 5895.0 (60) | 6353.0 | 6103.0 | ||||||
| log(g) | [cgs] | 7.89 (0.04) | 7.85 (0.04) | 7.84 (0.04) | 8.12 | 7.98 | ||||||
| Mass | [M☉] | 0.509 (0.03) | 0.486 (0.03) | 0.479 (0.03) | 0.662 | 0.56 | ||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 2.1900 | 2.5150 | 2.2750 | ||||||||
| log(H/He) | -3.0 | -3.0 | -3 | |||||||||
| 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] | 10.33 (0.3) | 10.01 (0.3) | 10.01 (0.3) | 10.33 (0.3) | 10.01 (0.3) | ||||||
| Distance | [pc] | 96.77 (2) | 99.90 (3) | 99.85 (3) | 96.77 (2) | 99.85 (3) | ||||||
| Composition | He | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 44.03419729 (0.3) | 43.87714828 (0.7) | 44.034 (0.3) | 43.87714828 | |||||||
| Proper motion (declination) | [mas/yr] | -61.61251013 (0.2) | -62.60332752 (0.6) | -61.613 (0.2) | -62.60332752 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | 18.28 (0.08) | |||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 19.95 (0.03) | 19.96 (0.03) | 19.96 (0.03) | |||||||||
| g magnitude | 19.25 (0.01) | 19.25 (0.01) | ||||||||||
| r magnitude | 18.95 (0.01) | 18.95 (0.01) | ||||||||||
| i magnitude | 18.86 (0.01) | 18.86 (0.01) | ||||||||||
| z magnitude | 18.87 (0.03) | 18.87 (0.03) | ||||||||||
| G magnitude | 18.95 (0.04) | 18.97 | 18.95 (0.004) | 18.97 | ||||||||
| BP magnitude | 19.23 (0.04) | 19.19 | 19.19 | |||||||||
| RP magnitude | 18.54 (0.05) | 18.47 | 18.47 | |||||||||
| Pan g magnitude | 19.23 (0.01) | 19.23 (0.02) | ||||||||||
| Pan r magnitude | 18.96 (0.007) | 18.96 (0.006) | ||||||||||
| Pan i magnitude | 18.87 (0.006) | 18.87 (0.006) | ||||||||||
| Pan z magnitude | 18.89 (0.009) | 18.89 (0.008) | ||||||||||
| Pan y magnitude | 18.91 (0.02) | 18.91 (0.02) | ||||||||||
| E(B-V) | 0.007 | |||||||||||
* Constant surface field
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