Gaia DR2 699628147926656768
All names: SDSS J090436.52+301726.9, SDSS J090436.53+301727.0, Gaia EDR3 699628147926656768, J0904+3017, GALEX J090436.5+301726, Gaia DR2 699628147926656768, WDJ090436.49+301727.24, WDJ090436.49+301727.23, Gaia DR3 699628147926656768
| 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 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 04 36.64 (0.1) | 09 04 36.64 | 09 04 36.64 | 09 04 36.49 (0.1) | 09 04 36.64 | ||||||||
| Declination | 30 17 25.97 (0.06) | 30 17 26.01 | 30 17 25.97 | 30 17 27.24 (0.06) | 30 17 26.01 | ||||||||
| Spectral type | DA | DA | DA | DA | DA | ||||||||
| Effective temperature | [K] | 6725.0 (36) | 6725.0 (35) | 6724.0 (36) | 6600.0 | 6351.0 | 6664.0 (70) | ||||||
| log(g) | [cgs] | 8.03 (0.02) | 8.01 (0.02) | 8.00 (0.02) | 7.96 | 7.83 | 8.01 (0.02) | ||||||
| Mass | [M☉] | 0.608 (0.01) | 0.597 (0.02) | 0.593 (0.02) | 0.567 | 0.475 | 0.599 (0.02) | ||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 1.7700 | 1.6530 | 1.6200 | |||||||||
| log(H/He) | |||||||||||||
| log(C/He) | |||||||||||||
| log(Ca/He) | |||||||||||||
| log(Ca/H) | |||||||||||||
| log(C/H) | |||||||||||||
| log(N/H) | |||||||||||||
| log(O/H) | |||||||||||||
| log(Na/H) | |||||||||||||
| log(Mg/H) | |||||||||||||
| log(Al/H) | |||||||||||||
| log(Si/H) | |||||||||||||
| log(P/H) | |||||||||||||
| log(S/H) | |||||||||||||
| log(Sc/H) | |||||||||||||
| log(Ti/H) | |||||||||||||
| log(Cr/H) | |||||||||||||
| log(Mn/H) | |||||||||||||
| log(Fe/H) | |||||||||||||
| log(Ni/H) | |||||||||||||
| Parallax | [mas] | 12.89 (0.2) | 12.68 (0.2) | 12.68 (0.2) | 12.89 | 12.89 (0.2) | 12.68 (0.2) | ||||||
| Distance | [pc] | 77.60 (0.9) | 78.86 (1) | 78.86 (1) | 77.60 | 77.60 (0.9) | 78.86 (1) | ||||||
| Composition | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 120.3837267 (0.1) | 120.4794581 (0.3) | 120.384 (0.1) | 120.4794581 | ||||||||
| Proper motion (declination) | [mas/yr] | -79.39288634 (0.1) | -79.30971701 (0.2) | -79.393 (0.1) | -79.30971701 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 17.36 (0.02) | ||||||||||||
| H magnitude | 17.14 (0.06) | ||||||||||||
| K magnitude | 17.15 (0.09) | ||||||||||||
| u magnitude | 18.92 (0.02) | 18.93 (0.02) | 18.93 (0.02) | ||||||||||
| g magnitude | 18.32 (0.007) | 18.35 (0.007) | |||||||||||
| r magnitude | 18.09 (0.007) | 18.10 (0.007) | |||||||||||
| i magnitude | 18.04 (0.008) | 18.01 (0.008) | |||||||||||
| z magnitude | 18.06 (0.02) | 17.96 (0.02) | |||||||||||
| G magnitude | 18.08 (0.01) | 18.10 | 18.08 | 18.08 (0.003) | 18.10 | ||||||||
| BP magnitude | 18.30 (0.01) | 18.28 | 18.28 | ||||||||||
| RP magnitude | 17.70 (0.009) | 17.69 | 17.69 | ||||||||||
| Pan g magnitude | 18.31 (0.008) | 18.31 (0.007) | |||||||||||
| Pan r magnitude | 18.10 (0.005) | 18.10 (0.006) | |||||||||||
| Pan i magnitude | 18.04 (0.002) | 18.04 (0.002) | |||||||||||
| Pan z magnitude | 18.06 (0.004) | 18.06 (0.005) | |||||||||||
| Pan y magnitude | 18.06 (0.02) | 18.06 (0.02) | |||||||||||
| E(B-V) | 0.003 | ||||||||||||
* Constant surface field
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