EGGR 581
All names: PSO J317.7087-21.4913, TIC 99495168, NLTT 50698, EGGR 581, LP 873-8, WD 2107-216, Gaia EDR3 6831993452567326592, WDJ211050.04-212922.52, 2MASS J21105002-2129216, Gaia DR3 6831993452567326592, J2110-2129, Gaia DR2 6831993452567326592, LHS 3636, UCAC4 343-203352
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | O'Brien et al. 2024 | Caron et al. 2023 | Blouin et al. 2019 | MWDD H | Gaia DR2 | Stilism | Bergeron et al. 2001 | Bergeron et al. 1997 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 21 10 50.13 (0.07) | 21 10 50.12 (0.09) | 21 10 50.13 | 21 10 50.04 (0.07) | 21 10 50.12 | 21 10 49.68 | |||||||||
| Declination | -21 29 31.45 (0.05) | -21 29 31.17 (0.08) | -21 29 31.45 | -21 29 22.52 (0.05) | -21 29 31.17 | -21 28 54.84 | |||||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DA9 | DA9 | |||||||
| Effective temperature | [K] | 5984.0 (59) | 6073.0 (12) | 5935.0 (35) | 5857.0 | 5830.0 (140) | 5840.0 (140) | 5855.0 (28) | |||||||
| log(g) | [cgs] | 8.07 (0.03) | 8.12 (0.005) | 8.06 (0.02) | 8.03 | 8.40 (0.05) | 8.22 (0.05) | 8.02 (0.01) | |||||||
| Mass | [M☉] | 0.631 (0.02) | 0.66 (0.005) | 0.622 (0.01) | 0.605 | 0.85 (0.03) | 0.73 (0.03) | 0.598 (0.009) | |||||||
| log(Luminosity) | [L☉] | -4.02 (0.03) | -3.90 (0.03) | ||||||||||||
| Cooling age | [Gyr] | 2.9000 | 2.6320 (0.1) | 2.5600 | 5.2400 (0.2) | 4.5200 (0.4) | |||||||||
| 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] | 31.39 (0.08) | 31.39 (0.08) | 31.44 (0.1) | 31.44 (0.1) | 31.44 (0.1) | 42.20 (2) | 37.00 (1) | 31.39 | 31.39 (0.08) | 31.44 (0.1) | 37.00 (1) | |||
| Distance | [pc] | 31.86 (0.08) | 31.86 (0.08) | 31.81 (0.1) | 31.81 (0.1) | 31.81 (0.1) | 23.70 (0.8) | 27.03 (0.9) | 31.86 | 31.86 (0.08) | 31.81 (0.1) | 27.03 (0.7) | |||
| Composition | H | H | H | H | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 76.97131487 (0.07) | 77.04212261 (0.2) | 76.971 (0.07) | 77.04212261 | ||||||||||
| Proper motion (declination) | [mas/yr] | -558.1105599 (0.06) | -558.0357822 (0.1) | -558.111 (0.06) | -558.0357822 | ||||||||||
| Variability | |||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | |||||||||||||||
| B magnitude | 17.39 | 17.39 | 17.44 (0.1) | ||||||||||||
| V magnitude | 16.80 | 16.80 | 16.77 (0.01) | ||||||||||||
| R magnitude | 16.45 | 16.45 | 16.36 (0.4) | ||||||||||||
| I magnitude | 16.03 | 16.03 | |||||||||||||
| J magnitude | 15.71 (0.006) | 15.69 (0.06) | 15.63 | 15.63 | 15.69 (0.06) | ||||||||||
| H magnitude | 15.48 (0.1) | 15.48 (0.1) | 15.45 | 15.45 | 15.48 (0.1) | ||||||||||
| K magnitude | 15.45 (0.02) | 15.70 (0.2) | 15.40 | 15.40 | 15.70 (0.2) | ||||||||||
| u magnitude | |||||||||||||||
| g magnitude | 16.98 (0.003) | ||||||||||||||
| r magnitude | 16.65 (0.004) | ||||||||||||||
| i magnitude | 16.52 (0.003) | ||||||||||||||
| z magnitude | 16.50 (0.003) | ||||||||||||||
| G magnitude | 16.64 (0.006) | 16.65 | 16.64 | 16.64 (0.003) | 16.65 | ||||||||||
| BP magnitude | 16.97 (0.006) | 16.95 | 16.95 | ||||||||||||
| RP magnitude | 16.21 (0.006) | 16.18 | 16.18 | ||||||||||||
| Pan g magnitude | 16.98 (0.002) | 16.98 (0.002) | 16.98 (0.003) | ||||||||||||
| Pan r magnitude | 16.65 (0.004) | 16.65 (0.004) | 16.65 (0.004) | ||||||||||||
| Pan i magnitude | 16.52 (0.003) | 16.52 (0.003) | 16.52 (0.003) | ||||||||||||
| Pan z magnitude | 16.50 (0.003) | 16.50 (0.003) | 16.50 (0.003) | ||||||||||||
| Pan y magnitude | 16.50 (0.004) | 16.50 (0.004) | 16.50 (0.003) | ||||||||||||
| E(B-V) | 0.001 | ||||||||||||||
* 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
