WD 1144+433
All names: LP 215-44, WDJ114709.78+430306.89, SDSS J114709.80+430306.3, SDSS J114709.81+430306.3, Gaia DR3 769543893313272576, Gaia DR2 769543893313272576, NLTT 28534, Gaia EDR3 769543893313272576, USNO-B1.0 1330-00276697, LSPM J1147+4303, J1147+4303, WD 1144+433
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Caron et al. 2023 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 11 47 09.93 (0.1) | 11 47 09.93 (0.1) | 11 47 09.93 | 11 47 09.78 (0.1) | 11 47 09.93 | 11 47 09.62 | |||||||
| Declination | 43 03 04.03 (0.1) | 43 03 04.12 (0.1) | 43 03 04.03 | 43 03 06.89 (0.1) | 43 03 04.12 | 43 03 01.80 | |||||||
| Spectral type | DC | DC | DC | DC | DA: | DC | DC10.3 | ||||||
| Effective temperature | [K] | 4890.0 (12) | 4941.0 (12) | 4867.0 | 4545.0 | 4965.0 (63) | |||||||
| log(g) | [cgs] | 7.86 (0.01) | 7.92 (0.01) | 7.84 | 7.61 | 7.91 (0.03) | |||||||
| Mass | [M☉] | 0.495 (0.009) | 0.53 (0.01) | 0.487 | 0.359 | 0.524 (0.03) | |||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 5.1800 | 4.5050 | 3.4340 | |||||||||
| 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] | 19.30 (0.1) | 19.33 (0.2) | 19.33 (0.2) | 19.30 | 19.30 (0.1) | 19.33 (0.2) | ||||||
| Distance | [pc] | 51.82 (0.4) | 51.73 (0.5) | 51.75 (0.5) | 51.82 | 51.82 (0.4) | 51.75 (0.5) | ||||||
| Composition | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 106.7311376 (0.1) | 106.2010771 (0.2) | 106.731 (0.1) | 106.2010771 | ||||||||
| Proper motion (declination) | [mas/yr] | -178.9388398 (0.1) | -178.7657499 (0.2) | -178.939 (0.1) | -178.7657499 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 18.90 | ||||||||||||
| V magnitude | |||||||||||||
| R magnitude | 18.20 | ||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 17.04 (0.04) | 17.04 (0.04) | |||||||||||
| H magnitude | 16.84 (0.04) | 16.84 (0.04) | |||||||||||
| K magnitude | 16.72 (0.04) | 16.72 (0.04) | |||||||||||
| u magnitude | 20.77 (0.08) | 20.77 (0.08) | 20.77 (0.08) | 20.60 | |||||||||
| g magnitude | 19.09 (0.01) | 19.09 (0.01) | 19.09 | ||||||||||
| r magnitude | 18.33 (0.008) | 18.33 (0.008) | 18.33 | ||||||||||
| i magnitude | 18.04 (0.008) | 18.04 (0.008) | 18.04 | ||||||||||
| z magnitude | 17.92 (0.02) | 17.92 (0.02) | 17.95 | ||||||||||
| G magnitude | 18.36 (0.02) | 18.39 | 18.36 | 18.36 (0.003) | 18.39 | ||||||||
| BP magnitude | 18.85 (0.02) | 18.86 | 18.86 | ||||||||||
| RP magnitude | 17.72 (0.02) | 17.68 | 17.68 | ||||||||||
| Pan g magnitude | 18.99 (0.003) | 18.99 (0.002) | |||||||||||
| Pan r magnitude | 18.33 (0.006) | 18.33 (0.007) | |||||||||||
| Pan i magnitude | 18.04 (0.004) | 18.04 (0.004) | |||||||||||
| Pan z magnitude | 17.95 (0.008) | 17.95 (0.007) | |||||||||||
| Pan y magnitude | 17.91 (0.02) | 17.91 (0.01) | |||||||||||
| E(B-V) | 0.002 | ||||||||||||
* Constant surface field
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