SDSS J092111.85+304414.1
All names: GALEX J092111.8+304414, Gaia EDR3 700406670879052928, Gaia DR2 700406670879052928, SDSS J092111.85+304414.10, SDSS J092111.85+304414.1, Gaia DR3 700406670879052928
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Genest-Beaulieu & Bergeron 2019 (spectroscopic) | MWDD HE | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 21 11.84 (0.6) | 09 21 11.85 | 09 21 11.84 (0.8) | 09 21 11.84 (0.6) | 09 21 11.85 | |||||
| Declination | 30 44 14.17 (0.4) | 30 44 14.12 | 30 44 14.17 (0.6) | 30 44 14.11 (0.4) | 30 44 14.13 | |||||
| Spectral type | DBAH: | DBAH | DBAH: | |||||||
| Effective temperature | [K] | 17444.0 | 15445.0 | 17772.0 (414) | ||||||
| log(g) | [cgs] | 8.39 | 6.90 | 8.52 (0.2) | ||||||
| Mass | [M☉] | 0.839 | 0.215 | |||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | <-5.541 | |||||||||
| 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] | 0.39 (0.9) | -0.74 (1) | 0.39 (0.9) | ||||||
| Distance | [pc] | 2555.48 (5754) | 2555.58 (5754) | |||||||
| Composition | He | |||||||||
| Proper motion (right ascension) | [mas/yr] | -3.951634262 (0.8) | -4.045844584 (1) | -3.952 (0.8) | ||||||
| Proper motion (declination) | [mas/yr] | 3.510296904 (0.6) | 3.430569274 (1) | 3.51 (0.6) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 19.94 (0.04) | 19.98 (0.04) | 19.98 (0.04) | |||||||
| g magnitude | 19.96 (0.02) | 20.01 (0.02) | 20.01 (0.02) | |||||||
| r magnitude | 20.28 (0.03) | 20.34 (0.03) | 20.34 (0.03) | |||||||
| i magnitude | 20.48 (0.04) | 20.54 (0.04) | 20.54 (0.04) | |||||||
| z magnitude | 20.83 (0.2) | 20.80 (0.2) | 20.80 (0.2) | |||||||
| G magnitude | 20.17 (0.07) | 20.25 | 20.17 (0.006) | |||||||
| BP magnitude | 20.18 (0.07) | 20.22 | ||||||||
| RP magnitude | 20.12 (0.2) | 20.21 | ||||||||
| Pan g magnitude | 20.05 (0.009) | |||||||||
| Pan r magnitude | 20.37 (0.03) | |||||||||
| Pan i magnitude | 20.66 (0.03) | |||||||||
| Pan z magnitude | 20.76 (0.03) | |||||||||
| Pan y magnitude | 20.48 (0.4) | |||||||||
| E(B-V) | 0.020 | |||||||||
* Constant surface field
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