SDSS J225408.64+132357.2
All names: Gaia DR2 2719852224183359360, WD 2251+131, USNO-B1.0 1033-00654406, Gaia EDR3 2719852224183359360, WDJ225408.62+132357.35, 22541+1323, Gaia DR3 2719852224183359360, SDSS J225408.64+132357.2, J2254+1323, LSPM J2254+1323, PM J22541+1323, SDSS J225408.63+132357.1
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Caron et al. 2023 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Limoges et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 22 54 08.98 (0.2) | 22 54 08.97 (0.2) | 22 54 08.98 | 22 54 08.62 (0.2) | 22 54 08.97 | 22 54 08.23 | ||||||||
| Declination | 13 23 54.15 (0.2) | 13 23 54.25 (0.2) | 13 23 54.15 | 13 23 57.36 (0.2) | 13 23 54.25 | 13 23 53.52 | ||||||||
| Spectral type | DC | DC | DC | DC | DC | DA: | DC | DC15.0 | ||||||
| Effective temperature | [K] | 4356.0 (31) | 4338.0 (15) | 4387.0 | 4097.0 | 4330.0 (117) | 4443.0 (109) | |||||||
| log(g) | [cgs] | 7.76 (0.02) | 7.78 (0.02) | 7.80 | 7.54 | 7.98 (0.1) | 7.84 (0.06) | |||||||
| Mass | [M☉] | 0.443 (0.02) | 0.449 (0.01) | 0.462 | 0.331 | 0.56 (0.08) | 0.485 (0.05) | |||||||
| log(Luminosity) | [L☉] | -4.29 | ||||||||||||
| Cooling age | [Gyr] | 6.1700 | 5.7970 | 3.9510 | ||||||||||
| 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] | 21.75 (0.2) | 21.78 (0.2) | 21.78 (0.2) | 24.00 (2) | 21.75 | 21.75 (0.2) | 21.78 (0.2) | ||||||
| Distance | [pc] | 45.98 (0.4) | 45.91 (0.5) | 45.91 (0.5) | 41.70 (6) | 45.98 | 45.98 (0.4) | 45.91 (0.5) | ||||||
| Composition | H | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 326.8341426 (0.2) | 326.0578226 (0.4) | 326.834 (0.2) | 326.0578226 | |||||||||
| Proper motion (declination) | [mas/yr] | -200.4622642 (0.2) | -200.0728387 (0.3) | -200.462 (0.2) | -200.0728387 | |||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | 19.70 | |||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | 18.10 | |||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | 17.04 (0.04) | 17.04 (0.04) | ||||||||||||
| H magnitude | 16.88 (0.04) | 16.88 (0.04) | ||||||||||||
| K magnitude | 16.85 (0.04) | 16.85 (0.04) | ||||||||||||
| u magnitude | 21.72 (0.2) | 21.74 (0.2) | 21.51 (0.1) | 21.37 | ||||||||||
| g magnitude | 19.51 (0.01) | 19.50 (0.01) | 19.33 | |||||||||||
| r magnitude | 18.49 (0.009) | 18.50 (0.009) | 18.36 | |||||||||||
| i magnitude | 18.11 (0.009) | 18.13 (0.008) | 18.03 | |||||||||||
| z magnitude | 17.96 (0.02) | 17.94 (0.02) | 17.93 | |||||||||||
| G magnitude | 18.54 (0.05) | 18.56 | 18.54 | 18.54 (0.004) | 18.56 | |||||||||
| BP magnitude | 19.23 (0.05) | 19.21 | 19.21 | |||||||||||
| RP magnitude | 17.81 (0.02) | 17.80 | 17.80 | |||||||||||
| Pan g magnitude | 19.35 (0.004) | 19.35 (0.004) | ||||||||||||
| Pan r magnitude | 18.50 (0.007) | 18.50 (0.008) | ||||||||||||
| Pan i magnitude | 18.13 (0.004) | 18.13 (0.004) | ||||||||||||
| Pan z magnitude | 18.00 (0.01) | 18.00 (0.01) | ||||||||||||
| Pan y magnitude | 17.95 (0.008) | 17.95 (0.01) | ||||||||||||
| E(B-V) | 0.002 | |||||||||||||
* Constant surface field
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