GD 275
All names: WDJ011854.19+522713.72, LSPM J0118+5227, TIC 240989917, USNO-B1.0 1424-00041643, UCAC4 713-010330, EGGR 410, GALEX J011854.0+522712, Gaia EDR3 409956900443661312, Gaia DR3 409956900443661312, WD 0115+521, Gaia DR2 409956900443661312, KPD 0115+5211, 2MASS J01185423+5227137, GD 275, WD 0115+52
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | Gaia DR2 | Stilism | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 01 18 53.89 (0.03) | 01 18 53.90 (0.05) | 01 18 53.89 | 01 18 54.19 (0.03) | 01 18 53.90 | 01 18 55.42 | |||||
| Declination | 52 27 13.13 (0.02) | 52 27 13.15 (0.04) | 52 27 13.13 | 52 27 13.72 (0.02) | 52 27 13.15 | 52 27 15.48 | |||||
| Spectral type | DA | DA | DA | DA4.6 | DA5 | ||||||
| Effective temperature | [K] | 10402.0 | 10890.0 (164) | 10545.0 (53) | |||||||
| log(g) | [cgs] | 7.97 | 8.19 (0.06) | 7.98 (0.008) | |||||||
| Mass | [M☉] | 0.582 | 0.72 (0.04) | 0.592 (0.006) | |||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.5205 | |||||||||
| 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] | 18.33 (0.04) | 18.39 (0.06) | 18.33 | 18.33 (0.04) | 18.39 (0.06) | |||||
| Distance | [pc] | 54.57 (0.1) | 54.36 (0.2) | 49.00 | 54.57 | 54.57 (0.1) | 54.36 (0.2) | ||||
| Composition | H | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | -173.3832263 (0.04) | -173.3130779 (0.09) | -173.383 (0.04) | -173.3130779 | ||||||
| Proper motion (declination) | [mas/yr] | -36.75124333 (0.03) | -36.5886132 (0.08) | -36.751 (0.03) | -36.5886132 | ||||||
| Variability | NOV | ||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | 15.88 | ||||||||||
| V magnitude | 15.68 | ||||||||||
| R magnitude | 15.65 (0.003) | ||||||||||
| I magnitude | 15.71 (0.003) | ||||||||||
| J magnitude | 15.75 (0.09) | ||||||||||
| H magnitude | 15.62 (0.2) | ||||||||||
| K magnitude | 15.62 (0.2) | ||||||||||
| u magnitude | |||||||||||
| g magnitude | 15.65 (0.01) | ||||||||||
| r magnitude | 15.73 (0.01) | ||||||||||
| i magnitude | |||||||||||
| z magnitude | |||||||||||
| G magnitude | 15.66 (0.002) | 15.68 | 15.66 | 15.66 (0.003) | 15.68 | ||||||
| BP magnitude | 15.70 (0.002) | 15.70 | 15.70 | ||||||||
| RP magnitude | 15.61 (0.002) | 15.61 | 15.61 | ||||||||
| Pan g magnitude | 15.65 (0.004) | ||||||||||
| Pan r magnitude | 15.76 (0.005) | ||||||||||
| Pan i magnitude | 15.93 (0.003) | ||||||||||
| Pan z magnitude | 16.11 (0.003) | ||||||||||
| Pan y magnitude | 16.22 (0.006) | ||||||||||
| E(B-V) | 0.002 | ||||||||||
* Constant surface field
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