EGGR 259
All names: WD 1635+137, NLTT 43233, EGGR 259, LSPM J1637+1340E, Gaia DR2 4461228611063376128, USNO 545, Gaia EDR3 4461228611063376128, WDJ163740.64+134036.51, PSO J249.4191+13.6759, GEN# +9.80138047, J1637+1340, SDSS J163740.62+134035.2, PLX 3781.01, 16376+1340, PM J16376+1340, USNO-B1.0 1036-00253827, G138-47, SDSS J163740.63+134035.4, 2MASS J16374064+1340367, SDSS J163740.63+134035.5, WD 1635+13, SDSS J163740.62+134035.4, Gaia DR3 4461228611063376128, TIC 147716344, G 138-47
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Kilic et al. 2025 | Caron et al. 2023 | Blouin & Xu 2022 | Kilic et al. 2020 | Blouin et al. 2019 | MWDD H | Gaia DR2 | Bedard et al. 2017 | Stilism | Limoges et al. 2015 | Gianninas et al. 2011 | Bergeron et al. 2001 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 37 40.60 (0.04) | 16 37 40.62 | 16 37 40.60 (0.04) | 16 37 40.60 | 16 37 40.64 (0.04) | 16 37 40.60 | 16 37 40.54 | 16 37 40.63 | ||||||||||||||
| Declination | 13 40 32.56 (0.03) | 13 40 35.22 | 13 40 32.68 (0.04) | 13 40 32.56 | 13 40 36.51 (0.03) | 13 40 32.68 | 13 40 45.12 | 13 40 35.45 | ||||||||||||||
| Spectral type | DA | DAZ | DAZ | DA | DA | DA | DA | DA | DA | DA | DA7.5 | DA | DA | DAZ | DA | |||||||
| Effective temperature | [K] | 6709.0 (27) | 6878.0 (29) | 6820.0 (46) | 6735.0 (32) | 6745.0 (60) | 6989.0 | 6811.0 (92) | 6570.0 (70) | 6740.0 (110) | 6990.0 (190) | 6839.0 (42) | 6756.0 (27) | |||||||||
| log(g) | [cgs] | 7.96 (0.008) | 7.99 (0.008) | 7.99 (0.02) | 7.96 (0.009) | 7.97 (0.02) | 8.04 | 7.76 (0.1) | 8.13 (0.3) | 7.70 (0.1) | 8.29 (0.3) | 8.00 (0.01) | 7.80 (0.07) | |||||||||
| Mass | [M☉] | 0.567 (0.006) | 0.568 (0.006) | 0.587 (0.01) | 0.568 (0.007) | 0.576 (0.01) | 0.619 | 0.67 (0.2) | 0.44 (0.06) | 0.78 (0.2) | 0.591 (0.01) | |||||||||||
| log(Luminosity) | [L☉] | -3.64 | -3.63 (0.1) | |||||||||||||||||||
| Cooling age | [Gyr] | 1.6800 | 1.6600 | 1.6020 (0.06) | 1.6250 | 2.7700 (1) | ||||||||||||||||
| log(H/He) | ||||||||||||||||||||||
| log(C/He) | ||||||||||||||||||||||
| log(Ca/He) | ||||||||||||||||||||||
| log(Ca/H) | -9.72 | -9.74 (0.1) | ||||||||||||||||||||
| 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] | 21.92 (0.06) | 21.91 (0.07) | 21.92 (0.06) | 21.91 (0.07) | 21.91 (0.07) | 26.10 (5) | 25.50 (5) | 21.92 | 21.92 (0.06) | 21.91 (0.07) | 26.10 (46) | ||||||||||
| Distance | [pc] | 45.62 (0.1) | 45.64 (0.1) | 45.62 (0.1) | 45.63 (0.1) | 45.64 (0.1) | 39.20 (7) | 38.30 (8) | 53.00 | 39.22 (7) | 45.62 | 45.62 (0.1) | 45.64 (0.1) | 38.31 (68) | ||||||||
| Composition | H | H | H | H | H | H | H | |||||||||||||||
| Proper motion (right ascension) | [mas/yr] | -38.75894139 (0.05) | -38.7359138 (0.09) | -38.759 (0.05) | -38.736 | |||||||||||||||||
| Proper motion (declination) | [mas/yr] | -246.9744266 (0.04) | -247.1081377 (0.08) | -246.974 (0.04) | -247.108 | |||||||||||||||||
| Variability | ||||||||||||||||||||||
| Magnetic | ||||||||||||||||||||||
| Bd | [MG] | |||||||||||||||||||||
| Infrared excess (disk) | ||||||||||||||||||||||
| Binarity | ||||||||||||||||||||||
| B magnitude | 17.32 | 17.31 | ||||||||||||||||||||
| V magnitude | 16.94 | |||||||||||||||||||||
| R magnitude | 16.67 | 16.40 | ||||||||||||||||||||
| I magnitude | 16.47 | |||||||||||||||||||||
| J magnitude | 16.10 (0.009) | 15.93 (0.08) | 16.11 | 15.93 (0.08) | ||||||||||||||||||
| H magnitude | 15.67 (0.1) | 15.67 (0.1) | 15.96 | 15.67 (0.1) | ||||||||||||||||||
| K magnitude | 15.73 (0.2) | 15.73 (0.2) | 15.98 | 15.73 (0.2) | ||||||||||||||||||
| u magnitude | 17.67 (0.01) | 17.61 (0.01) | 17.68 (0.01) | 17.68 (0.01) | 17.55 | 17.62 (0.02) | ||||||||||||||||
| g magnitude | 17.02 (0.004) | 17.02 (0.005) | 17.02 (0.004) | 17.04 | 17.05 (0.01) | |||||||||||||||||
| r magnitude | 16.82 (0.004) | 16.84 (0.005) | 16.82 (0.004) | 16.81 | 16.82 (0.01) | |||||||||||||||||
| i magnitude | 16.77 (0.005) | 16.79 (0.003) | 16.77 (0.005) | 16.77 | 16.78 (0.01) | |||||||||||||||||
| z magnitude | 16.79 (0.01) | 16.82 (0.006) | 16.79 (0.01) | 16.82 | 16.81 (0.02) | |||||||||||||||||
| G magnitude | 16.81 (0.007) | 16.83 | 16.81 | 16.81 (0.003) | 16.83 | |||||||||||||||||
| BP magnitude | 17.01 (0.007) | 17.01 | 17.01 | |||||||||||||||||||
| RP magnitude | 16.46 (0.004) | 16.47 | 16.47 | |||||||||||||||||||
| Pan g magnitude | 16.97 (0.02) | 16.97 (0.02) | 17.02 (0.005) | 17.02 (0.005) | ||||||||||||||||||
| Pan r magnitude | 16.84 (0.003) | 16.84 (0.003) | 16.84 (0.005) | 16.84 (0.005) | ||||||||||||||||||
| Pan i magnitude | 16.80 (2e-05) | 16.80 (2e-05) | 16.80 (0.003) | 16.80 (0.003) | ||||||||||||||||||
| Pan z magnitude | 16.81 (0.005) | 16.81 (0.005) | 16.82 (0.007) | 16.82 (0.007) | ||||||||||||||||||
| Pan y magnitude | 16.86 (0.004) | 16.86 (0.004) | 16.85 (0.004) | 16.85 (0.004) | ||||||||||||||||||
| E(B-V) | 0.002 | |||||||||||||||||||||
* Constant surface field
Special notes:
Spectra
Controls
Normalize at:
Normalize by mean flux
Range:
x:
to
y:
to
Spectra available:
Spectra without link are available upon request
Absorption lines
Photometric filters
BVRI
ugriz
Photometric fit
