LEHPM 921
All names: [SRH2004] 27, Gaia DR2 2342218942669916672, LEHPM 921, J0044-2824, [OHD2001] WD J0044-284, WDJ004402.18-282411.42, USNO-B1.0 0615-00007472, WD 0041-286, WD 0044-284, Gaia EDR3 2342218942669916672, Gaia DR3 2342218942669916672
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Caron et al. 2023 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Bergeron et al. 2005 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 00 44 02.12 (0.3) | 00 44 02.12 (0.4) | 00 44 02.12 | 00 44 02.18 (0.3) | 00 44 02.12 | 00 44 02.02 | |||||||
| Declination | -28 24 17.23 (0.3) | -28 24 17.05 (0.3) | -28 24 17.23 | -28 24 11.42 (0.3) | -28 24 17.05 | -28 24 05.04 | |||||||
| Spectral type | DC | DC | DC | DA: | DC | DC | |||||||
| Effective temperature | [K] | 4285.0 (41) | 3703.0 | 3639.0 | 4770.0 (50) | 4406.0 (177) | |||||||
| log(g) | [cgs] | 7.95 (0.05) | 7.04 | 6.79 | 8.00 (0) | 8.02 (0.09) | |||||||
| Mass | [M☉] | 0.546 (0.04) | 0.169 | 0.112 | 0.57 | 0.59 (0.08) | |||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 8.0600 | 2.9310 | 6.5700 | |||||||||
| 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] | 15.35 (0.4) | 15.35 (0.5) | 15.35 (0.5) | 15.35 | 15.35 (0.4) | 15.35 (0.5) | ||||||
| Distance | [pc] | 65.17 (2) | 65.15 (2) | 65.13 (2) | 77.00 | 65.17 | 65.17 (2) | 65.13 (2) | |||||
| Composition | H | He | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -48.91647331 (0.3) | -49.14418319 (0.7) | -48.916 (0.3) | -49.14418319 | ||||||||
| Proper motion (declination) | [mas/yr] | -363.3136568 (0.4) | -363.0400166 (0.5) | -363.314 (0.4) | -363.0400166 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 21.02 | ||||||||||||
| V magnitude | 19.87 | 20.02 | |||||||||||
| R magnitude | 19.21 | ||||||||||||
| I magnitude | 18.70 | ||||||||||||
| J magnitude | 18.07 (0.01) | 18.15 (0.03) | |||||||||||
| H magnitude | 17.97 (0.03) | 17.99 (0.04) | |||||||||||
| K magnitude | 17.82 (0.05) | ||||||||||||
| u magnitude | |||||||||||||
| g magnitude | |||||||||||||
| r magnitude | |||||||||||||
| i magnitude | |||||||||||||
| z magnitude | |||||||||||||
| G magnitude | 19.57 (0.06) | 19.61 | 19.57 | 19.57 (0.004) | 19.61 | ||||||||
| BP magnitude | 20.17 (0.06) | 20.25 | 20.25 | ||||||||||
| RP magnitude | 18.84 (0.03) | 18.81 | 18.81 | ||||||||||
| Pan g magnitude | 20.38 (0.02) | 20.38 (0.02) | |||||||||||
| Pan r magnitude | 19.50 (0.01) | 19.50 (0.01) | |||||||||||
| Pan i magnitude | 19.18 (0.01) | 19.18 (0.01) | |||||||||||
| Pan z magnitude | 19.02 (0.05) | 19.02 (0.05) | |||||||||||
| Pan y magnitude | 18.80 (0.04) | 18.80 (0.04) | |||||||||||
| E(B-V) | 0.001 | ||||||||||||
* Constant surface field
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