LP 428-41
All names: J0948+2023, 09481+2023, PM J09481+2023, LSPM J0948+2023, LP 428-41, USNO-B1.0 1103-00179181, NLTT 22620, SDSS J094806.10+202315.38, Gaia DR2 639665392247496576, SDSS J094806.10+202315.3, Gaia EDR3 639665392247496576, Gaia DR3 639665392247496576, 2MASS J09480618+2023154, SDSS J094806.09+202315.3, PSO J147.0248+20.3876, WD 0945+206, WDJ094806.16+202315.28, TIC 88006166
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | SDSS DR10 | Kilic et al. 2025 | O'Brien et al. 2024 | Caron et al. 2023 | McCleery et al. 2020 | Blouin et al. 2019 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Limoges et al. 2015 | Kepler et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 48 05.94 (0.1) | 09 48 06.10 | 09 48 06.10 | 09 48 05.95 (0.2) | 09 48 05.95 (0.2) | 09 48 05.94 | 09 48 06.16 (0.1) | 09 48 05.95 | 09 48 05.47 | ||||||||||||
| Declination | 20 23 15.44 (0.08) | 20 23 15.35 | 20 23 15.35 | 20 23 15.44 (0.1) | 20 23 15.44 (0.1) | 20 23 15.44 | 20 23 15.27 (0.08) | 20 23 15.44 | 20 23 08.52 | ||||||||||||
| Spectral type | DC | DC | DC | DC | DC | DC | DC | DC | DA: | DC | DC | DC | DC | DC | |||||||
| Effective temperature | [K] | 4725.0 (20) | 4909.0 (59) | 4773.0 (20) | 4798.3 (48) | 4835.0 (30) | 4848.0 | 4528.0 | 4820.0 (60) | 6015.0 (1000) | 4926.0 (35) | ||||||||||
| log(g) | [cgs] | 7.86 (0.01) | 8.00 (0.05) | 7.93 (0.01) | 7.95 (0.05) | 7.97 (0.02) | 7.97 | 7.74 | 8.00 (0) | 7.53 (0.5) | 8.00 (0.02) | ||||||||||
| Mass | [M☉] | 0.497 (0.01) | 0.577 (0.03) | 0.538 (0.01) | 0.558 (0.01) | 0.56 | 0.423 | 0.58 (0.1) | 0.379 (0.2) | 0.579 (0.02) | |||||||||||
| log(Luminosity) | [L☉] | -4.11 | |||||||||||||||||||
| Cooling age | [Gyr] | 6.1300 | 6.0520 (0.3) | 6.0190 | 4.4090 | ||||||||||||||||
| 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] | 26.88 (0.1) | 26.88 (0.1) | 27.24 (0.2) | 27.24 (0.2) | 27.24 (0.2) | 27.24 (0.2) | 26.88 | 26.88 (0.1) | 27.24 (0.2) | |||||||||||
| Distance | [pc] | 37.20 (0.2) | 37.20 (0.2) | 36.71 (0.3) | 36.71 (0.3) | 36.72 (0.3) | 36.71 (0.3) | 35.80 (4) | 37.20 | 37.20 (0.2) | 36.71 (0.3) | ||||||||||
| Composition | H | H | H | H | |||||||||||||||||
| Proper motion (right ascension) | [mas/yr] | -195.7328613 (0.1) | -195.9205229 (0.2) | -195.733 (0.1) | -195.921 | ||||||||||||||||
| Proper motion (declination) | [mas/yr] | 10.82558585 (0.09) | 10.13076275 (0.2) | 10.826 (0.09) | 10.131 | ||||||||||||||||
| Variability | |||||||||||||||||||||
| Magnetic | |||||||||||||||||||||
| Bd | [MG] | ||||||||||||||||||||
| Infrared excess (disk) | |||||||||||||||||||||
| Binarity | |||||||||||||||||||||
| B magnitude | 18.70 | ||||||||||||||||||||
| V magnitude | |||||||||||||||||||||
| R magnitude | 17.30 | ||||||||||||||||||||
| I magnitude | |||||||||||||||||||||
| J magnitude | 16.47 (0.01) | 16.62 (0.1) | 16.62 | 16.62 (0.1) | |||||||||||||||||
| H magnitude | 16.26 (0.2) | 16.26 (0.2) | 16.26 | 16.26 (0.2) | |||||||||||||||||
| K magnitude | 15.74 (0.2) | 15.74 (0.2) | 15.74 | 15.74 (0.2) | |||||||||||||||||
| u magnitude | 20.44 (0.05) | 20.44 (0.05) | 20.45 (0.05) | 20.32 | 20.44 (0.05) | 20.44 (0.05) | 20.44 (0.05) | ||||||||||||||
| g magnitude | 18.53 (0.007) | 18.53 (0.007) | 18.53 | 18.53 (0.01) | 18.43 (0.007) | 18.54 (0.007) | |||||||||||||||
| r magnitude | 17.77 (0.006) | 17.77 (0.006) | 17.76 | 17.77 (0.01) | 17.77 (0.006) | 17.77 (0.006) | |||||||||||||||
| i magnitude | 17.46 (0.007) | 17.46 (0.007) | 17.46 | 17.46 (0.01) | 17.49 (0.004) | 17.46 (0.007) | |||||||||||||||
| z magnitude | 17.34 (0.01) | 17.34 (0.01) | 17.34 | 17.34 (0.01) | 17.38 (0.007) | 17.34 (0.01) | |||||||||||||||
| G magnitude | 17.80 (0.01) | 17.82 | 17.82 | 17.80 | 17.80 (0.003) | 17.82 | |||||||||||||||
| BP magnitude | 18.30 (0.01) | 18.36 | 18.36 | ||||||||||||||||||
| RP magnitude | 17.16 (0.007) | 17.16 | 17.16 | ||||||||||||||||||
| Pan g magnitude | 18.43 (0.009) | 18.43 (0.007) | 18.43 (0.007) | ||||||||||||||||||
| Pan r magnitude | 17.76 (0.009) | 17.76 (0.01) | 17.76 (0.01) | ||||||||||||||||||
| Pan i magnitude | 17.49 (0.004) | 17.49 (0.004) | 17.49 (0.004) | ||||||||||||||||||
| Pan z magnitude | 17.38 (0.007) | 17.38 (0.007) | 17.38 (0.007) | ||||||||||||||||||
| Pan y magnitude | 17.33 (0.01) | 17.33 (0.01) | 17.34 (0.01) | ||||||||||||||||||
| E(B-V) | 0.001 | ||||||||||||||||||||
* Constant surface field
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