HS 2240+1234B
All names: GSC2.3 N0RR003964, HS 2240+1234B, CMC14 J224230.3+125002, USNO-B1.0 1028-00772370, GSC2 N00332133964, ** CBL 545B, Gaia EDR3 2731502443233585280, SDSS J224230.30+125001.5, WD 2240+125.2, SDSS J224230.31+125001.5, Gaia DR2 2731502443233585280, SDSS J224230.33+125002.3, WDS J22425+1250B, Gaia DR3 2731502443233585280
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 22 42 30.30 (0.07) | 22 42 30.33 | 22 42 30.30 (0.09) | 22 42 30.30 | 22 42 30.34 (0.07) | 22 42 30.70 | ||||||
| Declination | 12 50 01.26 (0.06) | 12 50 02.36 | 12 50 01.29 (0.07) | 12 50 01.26 | 12 50 02.41 (0.06) | 12 50 01.68 | ||||||
| Spectral type | DA | DA | DA | DA3.6 | DA | DA | ||||||
| Effective temperature | [K] | 13414.0 | 14130.0 (482) | 14761.0 (332) | ||||||||
| log(g) | [cgs] | 8.05 | 8.10 (0.06) | 8.15 (0.02) | ||||||||
| Mass | [M☉] | 0.638 | 0.67 (0.03) | 0.703 (0.02) | ||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.2952 | ||||||||||
| 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] | 9.89 (0.08) | 9.86 (0.1) | 9.89 | 9.89 (0.08) | |||||||
| Distance | [pc] | 101.09 (0.8) | 101.43 (1) | 99.00 | 101.09 | 101.09 (0.8) | ||||||
| Composition | H | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -33.9449572 (0.1) | -33.83286103 (0.2) | -33.945 (0.1) | ||||||||
| Proper motion (declination) | [mas/yr] | -72.29433289 (0.08) | -72.46375846 (0.1) | -72.294 (0.07) | ||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | 15.64 (0.1) | |||||||||||
| V magnitude | 16.85 (0.4) | |||||||||||
| R magnitude | 16.65 (0.4) | |||||||||||
| I magnitude | 16.66 (0.4) | |||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 16.82 (0.007) | 16.82 (0.007) | ||||||||||
| g magnitude | 16.47 (0.004) | 16.47 (0.004) | ||||||||||
| r magnitude | 16.74 (0.005) | 16.74 (0.005) | ||||||||||
| i magnitude | 16.96 (0.006) | 16.96 (0.006) | ||||||||||
| z magnitude | 17.19 (0.01) | 17.19 (0.01) | ||||||||||
| G magnitude | 16.61 (0.005) | 16.63 | 16.61 | 16.61 (0.003) | ||||||||
| BP magnitude | 16.59 (0.005) | 16.58 | ||||||||||
| RP magnitude | 16.70 (0.007) | 16.71 | ||||||||||
| Pan g magnitude | 16.51 (0.003) | |||||||||||
| Pan r magnitude | 16.74 (0.004) | |||||||||||
| Pan i magnitude | 16.99 (0.002) | |||||||||||
| Pan z magnitude | 17.22 (0.005) | |||||||||||
| Pan y magnitude | 17.37 (0.006) | |||||||||||
| E(B-V) | 0.013 | |||||||||||
* Constant surface field
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