WD 2148+196
All names: Gaia EDR3 1780497934010525312, WD 2148+196, USNO-B1.0 1098-00572311, WDJ215025.66+195311.61, SDSS J215025.71+195311.5, SDSS J215025.70+195311.5, J2150+1953, Gaia DR3 1780497934010525312, SDSS J215025.70+195311.4, Gaia DR2 1780497934010525312, LP 458-49
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Caron et al. 2023 | Kilic et al. 2020 | MWDD H | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 21 50 25.82 (0.1) | 21 50 25.81 (0.2) | 21 50 25.82 | 21 50 25.66 (0.1) | 21 50 25.81 | 21 50 26.81 | ||||||
| Declination | 19 53 11.14 (0.1) | 19 53 11.15 (0.2) | 19 53 11.14 | 19 53 11.61 (0.1) | 19 53 11.15 | 19 53 03.48 | ||||||
| Spectral type | DA | DA | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 8584.0 (57) | 8621.0 (59) | 8473.0 | 8671.0 (173) | |||||||
| log(g) | [cgs] | 8.12 (0.02) | 8.13 (0.02) | 8.10 | 8.13 (0.04) | |||||||
| Mass | [M☉] | 0.67 (0.02) | 0.675 (0.02) | 0.654 | 0.675 (0.03) | |||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 1.1100 | 1.0670 | |||||||||
| 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] | 9.97 (0.1) | 10.05 (0.2) | 10.05 (0.2) | 9.97 | 9.97 (0.1) | 10.05 (0.2) | |||||
| Distance | [pc] | 100.33 (1) | 99.50 (2) | 99.50 (2) | 100.33 | 100.33 (1) | 99.50 (2) | |||||
| Composition | H | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 139.2369436 (0.1) | 139.4156029 (0.3) | 139.237 (0.1) | 139.4156029 | |||||||
| Proper motion (declination) | [mas/yr] | -29.42953351 (0.1) | -29.45787268 (0.3) | -29.43 (0.1) | -29.45787268 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | yes | |||||||||||
| B magnitude | 17.40 | |||||||||||
| V magnitude | 17.80 | |||||||||||
| R magnitude | 17.60 | |||||||||||
| I magnitude | ||||||||||||
| J magnitude | 17.53 (0.04) | |||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 18.33 (0.01) | 18.33 (0.01) | 18.33 (0.01) | |||||||||
| g magnitude | 17.94 (0.006) | 17.94 (0.006) | ||||||||||
| r magnitude | 17.91 (0.007) | 17.91 (0.007) | ||||||||||
| i magnitude | 17.96 (0.008) | 17.96 (0.008) | ||||||||||
| z magnitude | 18.06 (0.02) | 18.06 (0.02) | ||||||||||
| G magnitude | 17.87 (0.01) | 17.89 | 17.87 | 17.87 (0.003) | 17.89 | |||||||
| BP magnitude | 17.98 (0.01) | 17.98 | 17.98 | |||||||||
| RP magnitude | 17.67 (0.03) | 17.70 | 17.70 | |||||||||
| Pan g magnitude | 17.95 (0.002) | 17.95 (0.002) | ||||||||||
| Pan r magnitude | 17.93 (0.008) | 17.93 (0.007) | ||||||||||
| Pan i magnitude | 17.98 (0.005) | 17.98 (0.005) | ||||||||||
| Pan z magnitude | 18.09 (0.01) | 18.09 (0.01) | ||||||||||
| Pan y magnitude | 18.19 (0.02) | 18.19 (0.02) | ||||||||||
| E(B-V) | 0.012 | |||||||||||
* Constant surface field
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