WD 0747+437A
All names: [MMN2004c] WD J0751+4335, SDSS J075115.10+433513.8, WD 0747+437.1, Gaia DR2 925741305429650176, NAME [MMN2004] WD J0751+4335, WD 0747+437A, PSO J075115.102+433514.021, SDSS J075115.11+433513.9
| Parameter | Unit | MWDD H | Pan-STARRS DR1 | Gaia DR2 | Tremblay et al. 2011 | Mukadam et al. 2004 | SDSS DR12 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Kleinman et al. 2004 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 07 51 15.10 (0.2) | 07 51 15.11 | 07 51 15.11 | 07 51 15.11 | 07 51 15.34 | 07 51 15.11 | 07 51 15.11 | |||||
| Declination | 43 35 13.97 (0.2) | 43 35 13.89 | 43 35 13.83 | 43 35 13.83 | 43 35 07.08 | 43 35 13.90 | 43 35 13.88 | |||||
| Spectral type | DA | DA | DA | DA | DA2.6 | DA | ||||||
| Effective temperature | [K] | 15891.0 | 20100.0 (300) | 19330.0 (200) | 19325.0 (200) | 19482.0 (196) | 19362.0 (201) | |||||
| log(g) | [cgs] | 8.10 | 8.16 (0.05) | 8.11 (0.03) | 8.12 (0.03) | 8.16 (0.03) | 8.13 (0.03) | |||||
| Mass | [M☉] | 0.675 | 0.72 (0.03) | 0.7090000000000001 (0.02) | ||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.1946 | 0.1047 | |||||||||
| 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] | 3.63 (0.3) | ||||||||||
| Distance | [pc] | 275.58 (22) | ||||||||||
| Composition | H | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -6.85885159 (0.4) | -7.0 | -4.4 | -6.0 | |||||||
| Proper motion (declination) | [mas/yr] | 1.750777313 (0.3) | 1.0 | -0.5 | 1.0 | |||||||
| Variability | NOV | |||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 18.48 (0.02) | 18.50 | 18.49 (0.02) | 18.50 | 18.50 (0.02) | 18.50 (0.02) | ||||||
| g magnitude | 18.38 | 18.37 (0.007) | 18.38 | 18.38 (0.02) | 18.38 | 18.38 (0.02) | 18.38 (0.02) | |||||
| r magnitude | 18.70 (0.01) | 18.70 | 18.71 (0.02) | 18.71 | 18.70 (0.02) | 18.71 (0.01) | ||||||
| i magnitude | 18.99 (0.01) | 19.00 | 19.01 (0.02) | 19.00 | 19.00 (0.02) | 19.00 (0.02) | ||||||
| z magnitude | 19.40 (0.07) | 19.38 | 19.39 (0.07) | 19.38 | 19.38 (0.07) | 19.38 (0.07) | ||||||
| G magnitude | 18.58 | |||||||||||
| BP magnitude | 18.44 | |||||||||||
| RP magnitude | 18.69 | |||||||||||
| Pan g magnitude | 18.42 (0.004) | |||||||||||
| Pan r magnitude | 18.72 (0.007) | |||||||||||
| Pan i magnitude | 18.99 (0.006) | |||||||||||
| Pan z magnitude | 19.26 (0.01) | |||||||||||
| Pan y magnitude | 19.32 (0.05) | |||||||||||
* Constant surface field
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