US 3497
All names: SDSS J030024.56-002342.1, PB 6970, [SGR2010] J0300-0023, LAMOST J030024.57-002342.0, SDSS J030024.57-002342.1, Gaia DR2 5188115885621031936, WIRED J030024.57-002342.0, Gaia EDR3 5188115885621031936, US 3497, [LCB92] 0257-0035, Gaia DR3 5188115885621031936, KUV 02579-0036, [HH86] 0257-005, GALEX J030024.6-002341, WD 0257-005, HBQS 0257-0035, SDSS J030024.57-002342.0
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | MWDD H | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 03 00 24.58 (0.1) | 03 00 24.57 | 03 00 24.58 (0.1) | 03 00 24.57 (0.1) | 03 00 24.57 | 03 00 24.34 | 03 00 24.57 | |||||
| Declination | -00 23 42.29 (0.1) | -00 23 42.13 | -00 23 42.29 (0.2) | -00 23 42.10 (0.1) | -00 23 42.10 | -00 23 38.40 | -00 23 42.10 | |||||
| Spectral type | DAO+M | DA+M1 | DA+M1 | SDO | DC | DA+M | ||||||
| Effective temperature | [K] | 87666.0 (5105) | 15629.0 | 68759.0 (2251) | 83721.0 (3060) | |||||||
| log(g) | [cgs] | 7.21 (0.2) | 6.42 | 5.91 (0.1) | 7.00 (0.1) | |||||||
| Mass | [M☉] | 0.51 (0.04) | 0.179 | |||||||||
| log(Luminosity) | [L☉] | 1.67 (0.2) | ||||||||||
| Cooling age | [Gyr] | 0.0001 | ||||||||||
| 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] | 1.54 (0.1) | 2.07 (0.2) | 1.54 (0.1) | ||||||||
| Distance | [pc] | 650.71 (61) | 482.18 (41) | 650.70 (61) | ||||||||
| Composition | H | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 3.907691087 (0.1) | 2.933448521 (0.3) | 3.908 (0.1) | 3.6 | |||||||
| Proper motion (declination) | [mas/yr] | -12.28148764 (0.1) | -13.75730075 (0.3) | -12.281 (0.1) | -10.6 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | WDMS | |||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | 16.66 (0.02) | |||||||||||
| H magnitude | 16.28 (0.01) | |||||||||||
| K magnitude | 16.02 (0.02) | |||||||||||
| u magnitude | 16.45 (0.007) | 16.44 (0.007) | 16.44 (0.03) | 16.44 | 16.46 (0.03) | |||||||
| g magnitude | 16.83 (0.004) | 16.83 (0.004) | 16.88 (0.02) | 16.88 | 16.90 (0.02) | |||||||
| r magnitude | 17.25 (0.006) | 17.25 (0.006) | 17.27 (0.02) | 17.27 | 17.28 (0.02) | |||||||
| i magnitude | 17.52 (0.007) | 17.52 (0.007) | 17.56 (0.01) | 17.56 | 17.56 (0.01) | |||||||
| z magnitude | 17.65 (0.02) | 17.66 (0.02) | 17.69 (0.03) | 17.69 | 17.69 (0.03) | |||||||
| G magnitude | 17.05 (0.004) | 17.09 | 17.05 (0.003) | |||||||||
| BP magnitude | 16.92 (0.004) | 16.88 | ||||||||||
| RP magnitude | 17.13 (0.01) | 17.13 | ||||||||||
| Pan g magnitude | 16.87 (0.003) | |||||||||||
| Pan r magnitude | 17.28 (0.004) | |||||||||||
| Pan i magnitude | 17.55 (0.008) | |||||||||||
| Pan z magnitude | 17.80 (0.03) | |||||||||||
| Pan y magnitude | 17.79 (0.03) | |||||||||||
| E(B-V) | 0.041 | |||||||||||
* Constant surface field
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