PHL 2897
All names: Gaia DR3 2426014789703498240, PB 8495, SDSS J004254.73-091108.3, SDSS J004254.74-091108.3, PHL 2897, WD 0040-094, GALEX J004254.7-091107, SDSS J004254.73-091108.4, Gaia DR2 2426014789703498240, Gaia EDR3 2426014789703498240
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | 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 | Kleinman et al. 2004 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 00 42 54.76 (0.2) | 00 42 54.74 | 00 42 54.76 (0.2) | 00 42 54.76 | 00 42 54.74 (0.2) | 00 42 54.74 | 00 42 53.78 | 00 42 54.73 | 00 42 54.73 | ||||||
| Declination | -09 11 08.69 (0.08) | -09 11 08.32 | -09 11 08.68 (0.1) | -09 11 08.69 | -09 11 08.29 (0.08) | -09 11 08.33 | -09 11 04.20 | -09 11 08.39 | -09 11 08.38 | ||||||
| Spectral type | DA | DA | DA | DA | DA | DA2.4 | DA | DA | |||||||
| Effective temperature | [K] | 15811.0 | 22230.0 (540) | 21709.0 (1153) | 21044.0 (343) | 21419.0 (364) | 20983.0 (341) | ||||||||
| log(g) | [cgs] | 7.59 | 7.91 (0.08) | 7.98 (0.09) | 7.86 (0.05) | 7.89 (0.06) | 7.87 (0.05) | ||||||||
| Mass | [M☉] | 0.412 | 0.58 (0.04) | 0.618 (0.07) | 0.572 (0.03) | ||||||||||
| log(Luminosity) | [L☉] | ||||||||||||||
| Cooling age | [Gyr] | 0.0877 | 0.0372 | ||||||||||||
| 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] | 2.72 (0.2) | 2.62 (0.2) | 2.72 | 2.72 (0.2) | ||||||||||
| Distance | [pc] | 368.21 (27) | 382.22 (35) | 368.21 | 368.20 (27) | ||||||||||
| Composition | H | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | 14.44425193 (0.2) | 14.63648348 (0.5) | 14.444 (0.2) | 15.1 | 13.0 | |||||||||
| Proper motion (declination) | [mas/yr] | -24.96043834 (0.2) | -24.5988449 (0.2) | -24.96 (0.2) | -17.8 | -23.0 | |||||||||
| Variability | |||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | |||||||||||||||
| B magnitude | 18.60 | ||||||||||||||
| V magnitude | |||||||||||||||
| R magnitude | |||||||||||||||
| I magnitude | |||||||||||||||
| J magnitude | |||||||||||||||
| H magnitude | |||||||||||||||
| K magnitude | |||||||||||||||
| u magnitude | 18.42 (0.02) | 18.42 (0.02) | 18.39 (0.02) | 18.42 | 18.40 (0.02) | 18.42 (0.03) | |||||||||
| g magnitude | 18.35 (0.008) | 18.35 (0.008) | 18.33 (0.03) | 18.37 | 18.32 (0.03) | 18.37 (0.02) | |||||||||
| r magnitude | 18.71 (0.01) | 18.71 (0.01) | 18.71 (0.01) | 18.72 | 18.72 (0.01) | 18.72 (0.02) | |||||||||
| i magnitude | 19.00 (0.02) | 19.00 (0.02) | 19.00 (0.02) | 19.01 | 19.00 (0.02) | 19.01 (0.02) | |||||||||
| z magnitude | 19.31 (0.08) | 19.31 (0.07) | 19.33 (0.07) | 19.35 | 19.31 (0.07) | 19.35 (0.07) | |||||||||
| G magnitude | 18.53 (0.01) | 18.56 | 18.53 | 18.53 (0.003) | |||||||||||
| BP magnitude | 18.47 (0.01) | 18.41 | |||||||||||||
| RP magnitude | 18.73 (0.03) | 18.68 | |||||||||||||
| Pan g magnitude | 18.38 (0.007) | ||||||||||||||
| Pan r magnitude | 18.72 (0.004) | ||||||||||||||
| Pan i magnitude | 19.00 (0.01) | ||||||||||||||
| Pan z magnitude | 19.22 (0.02) | ||||||||||||||
| Pan y magnitude | 19.33 (0.04) | ||||||||||||||
| E(B-V) | 0.040 | ||||||||||||||
* Constant surface field
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