SDSS J093058.92+074454.4
All names: SDSS J093058.91+074454.4, GALEX J093058.9+074453, SDSS J093058.89+074454.4, SDSS J093058.92+074454.4, WD 0928+079, Gaia DR2 586312032891775616, Gaia DR3 586312032891775616, SDSS J093058.90+074454.4, Gaia EDR3 586312032891775616
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | MWDD H | Gaia DR2 | Stilism | Tremblay et al. 2011 | Vincent et al. 2024 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 30 58.92 (0.08) | 09 30 58.92 | 09 30 58.92 (0.1) | 09 30 58.92 | 09 30 58.92 (0.08) | 09 30 58.92 | 09 30 58.37 | 09 30 58.92 | |||||||
| Declination | 07 44 53.99 (0.07) | 07 44 54.41 | 07 44 54.01 (0.1) | 07 44 53.99 | 07 44 54.58 (0.07) | 07 44 54.43 | 07 44 51.72 | 07 44 54.41 | |||||||
| Spectral type | DA | DA | DA | DA | DA | DA_auto | DA | DA | DA | ||||||
| Effective temperature | [K] | 32097.0 (166) | 21922.0 | 33170.0 (210) | 33250.0 (1251) | 33136.0 (196) | 32791.0 (171) | ||||||||
| log(g) | [cgs] | 7.98 (0.04) | 7.48 | 7.86 (0.05) | 8.03 (0.05) | 7.94 (0.04) | 7.90 (0.04) | ||||||||
| Mass | [M☉] | 0.64 (0.02) | 0.393 | 0.59 (0.02) | 0.669 (0.04) | ||||||||||
| log(Luminosity) | [L☉] | -0.75 (0.03) | |||||||||||||
| Cooling age | [Gyr] | 0.0072 (0.0002) | 0.0246 | 0.0071 | |||||||||||
| 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] | 3.23 (0.1) | 3.13 (0.2) | 3.23 | 3.23 (0.1) | ||||||||||
| Distance | [pc] | 309.91 (1e+01) | 319.55 (16) | 309.91 | 309.90 (1e+01) | ||||||||||
| Composition | H | H | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -3.757960001 (0.1) | -3.453826045 (0.3) | -3.758 (0.1) | -41.6 | ||||||||||
| Proper motion (declination) | [mas/yr] | -36.77897853 (0.07) | -36.58825373 (0.2) | -36.779 (0.07) | 3.8 | ||||||||||
| Variability | |||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | |||||||||||||||
| B magnitude | |||||||||||||||
| V magnitude | |||||||||||||||
| R magnitude | |||||||||||||||
| I magnitude | |||||||||||||||
| J magnitude | 17.99 (0.03) | ||||||||||||||
| H magnitude | 17.93 (0.06) | ||||||||||||||
| K magnitude | |||||||||||||||
| u magnitude | 16.82 (0.007) | 16.82 (0.007) | 16.80 (0.01) | 16.80 | 16.83 (0.01) | ||||||||||
| g magnitude | 17.05 (0.005) | 17.05 (0.005) | 17.06 (0.01) | 17.05 | 17.07 (0.01) | ||||||||||
| r magnitude | 17.52 (0.006) | 17.52 (0.006) | 17.55 (0.02) | 17.54 | 17.55 (0.02) | ||||||||||
| i magnitude | 17.84 (0.008) | 17.84 (0.008) | 17.85 (0.02) | 17.85 | 17.86 (0.02) | ||||||||||
| z magnitude | 18.18 (0.03) | 18.18 (0.03) | 18.19 (0.03) | 18.19 | 18.19 (0.03) | ||||||||||
| G magnitude | 17.30 (0.006) | 17.34 | 17.30 | 17.30 (0.003) | |||||||||||
| BP magnitude | 17.19 (0.006) | 17.12 | |||||||||||||
| RP magnitude | 17.61 (0.01) | 17.60 | |||||||||||||
| Pan g magnitude | 17.17 (0.004) | ||||||||||||||
| Pan r magnitude | 17.55 (0.003) | ||||||||||||||
| Pan i magnitude | 17.90 (0.005) | ||||||||||||||
| Pan z magnitude | 18.17 (0.02) | ||||||||||||||
| Pan y magnitude | 18.31 (0.006) | ||||||||||||||
| E(B-V) | 0.023 | ||||||||||||||
* Constant surface field
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