WD 1108+255
All names: Gaia EDR3 3995728953028752768, SDSS J111122.88+251924.6, NLTT 26559, SDSS J111122.87+251924.5, WDJ111122.98+251924.63, LP 373-84, USNO-B1.0 1153-00181748, Gaia DR3 3995728953028752768, Gaia DR2 3995728953028752768, J1111+2519, LSPM J1111+2519, WD 1108+255
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Caron et al. 2023 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 11 11 22.68 (0.2) | 11 11 22.69 (0.3) | 11 11 22.68 | 11 11 22.98 (0.2) | 11 11 22.69 | 11 11 28.61 | ||||||
| Declination | 25 19 24.38 (0.2) | 25 19 24.39 (0.5) | 25 19 24.38 | 25 19 24.63 (0.2) | 25 19 24.39 | 25 18 41.40 | ||||||
| Spectral type | DC | DC | DC | DA | DC | DC | ||||||
| Effective temperature | [K] | 5336.0 (35) | 5623.0 | 5344.0 | 5716.0 (145) | |||||||
| log(g) | [cgs] | 8.15 (0.05) | 8.31 | 8.15 | 8.23 (0.06) | |||||||
| Mass | [M☉] | 0.662 (0.04) | 0.787 | 0.665 | 0.731 (0.05) | |||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 5.8700 | 5.4520 | 5.5970 | ||||||||
| log(H/He) | ||||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | ||||||||||||
| log(Ca/H) | ||||||||||||
| log(N/He) | ||||||||||||
| log(O/He) | ||||||||||||
| log(Na/He) | ||||||||||||
| log(Mg/He) | ||||||||||||
| log(Al/He) | ||||||||||||
| log(Si/He) | ||||||||||||
| log(P/He) | ||||||||||||
| log(S/He) | ||||||||||||
| log(Cl/He) | ||||||||||||
| log(Sc/He) | ||||||||||||
| log(Ti/He) | ||||||||||||
| log(V/He) | ||||||||||||
| log(Cr/He) | ||||||||||||
| log(Mn/He) | ||||||||||||
| log(Fe/He) | ||||||||||||
| log(Co/He) | ||||||||||||
| log(Ni/He) | ||||||||||||
| log(Cu/He) | ||||||||||||
| log(Zn/He) | ||||||||||||
| log(Ga/He) | ||||||||||||
| log(Ge/He) | ||||||||||||
| log(Sr/He) | ||||||||||||
| Parallax | [mas] | 14.62 (0.2) | 16.11 (0.7) | 16.11 (0.7) | 14.62 | 14.62 (0.2) | 16.11 (0.7) | |||||
| Distance | [pc] | 68.42 (1) | 62.07 (3) | 62.08 (3) | 68.42 | 68.42 (1) | 62.08 (3) | |||||
| Composition | He | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -252.7639704 (0.2) | -252.3884932 (0.6) | -252.764 (0.2) | -252.3884932 | |||||||
| Proper motion (declination) | [mas/yr] | -15.61070109 (0.2) | -15.44479533 (0.4) | -15.611 (0.2) | -15.44479533 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | 19.80 | |||||||||||
| V magnitude | ||||||||||||
| R magnitude | 18.50 | |||||||||||
| I magnitude | ||||||||||||
| J magnitude | 17.70 (0.04) | |||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 20.19 (0.04) | 20.19 (0.04) | 20.19 (0.04) | |||||||||
| g magnitude | 19.16 (0.01) | 19.16 (0.01) | ||||||||||
| r magnitude | 18.69 (0.009) | 18.69 (0.009) | ||||||||||
| i magnitude | 18.53 (0.01) | 18.53 (0.01) | ||||||||||
| z magnitude | 18.47 (0.03) | 18.47 (0.03) | ||||||||||
| G magnitude | 18.73 (0.03) | 18.75 | 18.73 | 18.73 (0.004) | 18.75 | |||||||
| BP magnitude | 19.16 (0.03) | 19.10 | 19.10 | |||||||||
| RP magnitude | 18.26 (0.02) | 18.25 | 18.25 | |||||||||
| Pan g magnitude | 19.13 (0.007) | 19.13 (0.007) | ||||||||||
| Pan r magnitude | 18.70 (0.006) | 18.70 (0.006) | ||||||||||
| Pan i magnitude | 18.55 (0.004) | 18.55 (0.006) | ||||||||||
| Pan z magnitude | 18.52 (0.01) | 18.52 (0.01) | ||||||||||
| Pan y magnitude | 18.48 (0.02) | 18.48 (0.02) | ||||||||||
| E(B-V) | 0.002 | |||||||||||
* Constant surface field
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