WD 2102+233
All names: SDSS J210452.71+233320.5, SDSS J210452.72+233320.5, WDJ210452.73+233321.42, J2104+2333, TIC 283903463, Gaia DR2 1840865211187303424, WD 2102+233, GALEX J210452.7+233321, Gaia DR3 1840865211187303424, 2MASS J21045273+2333216, Gaia EDR3 1840865211187303424
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Kilic et al. 2020 | MWDD H | Gaia DR2 | Stilism | Sayres et al. 2012 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 21 04 52.69 (0.03) | 21 04 52.69 (0.05) | 21 04 52.74 | 21 04 52.69 | 21 04 52.73 (0.03) | 21 04 52.69 | ||||||
| Declination | 23 33 19.25 (0.04) | 23 33 19.32 (0.05) | 23 33 21.70 | 23 33 19.25 | 23 33 21.41 (0.04) | 23 33 19.32 | ||||||
| Spectral type | DA | DA | DA4.5 | DA4.5 | DA | DA4.5 | ||||||
| Effective temperature | [K] | 11469.0 (106) | 11059.0 (107) | 10800.0 | 12040.0 (80) | 11249.0 (93) | ||||||
| log(g) | [cgs] | 8.03 (0.01) | 7.93 (0.01) | 7.96 | 8.36 (0.02) | 8.01 (0.01) | ||||||
| Mass | [M☉] | 0.621 (0.009) | 0.544 (0.01) | 0.58 | 0.607 (0.008) | |||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.4688 | ||||||||||
| log(H/He) | -1 | |||||||||||
| 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] | 14.78 (0.04) | 14.90 (0.07) | 14.78 | 14.78 (0.04) | 14.90 (0.07) | ||||||
| Distance | [pc] | 67.64 (0.2) | 67.10 (0.3) | 64.50 | 67.64 | 67.64 (0.2) | 67.10 (0.3) | |||||
| Composition | H | H | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | -38.48254691 (0.04) | -38.4561974 (0.1) | -38.483 (0.04) | -38.4561974 | |||||||
| Proper motion (declination) | [mas/yr] | -134.9503163 (0.04) | -135.0861934 (0.1) | -134.95 (0.04) | -135.0861934 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | 16.06 (0.07) | 16.06 (0.07) | ||||||||||
| H magnitude | 16.07 (0.2) | 16.07 (0.2) | ||||||||||
| K magnitude | 16.20 | |||||||||||
| u magnitude | 16.24 (0.006) | 16.24 (0.006) | 16.24 (0.006) | |||||||||
| g magnitude | 15.89 (0.003) | 15.89 (0.003) | 15.89 (0.003) | |||||||||
| r magnitude | (0.003) | 16.04 (0.004) | 16.04 (0.004) | |||||||||
| i magnitude | 16.15 (0.004) | 16.15 (0.004) | 16.15 (0.004) | |||||||||
| z magnitude | 16.44 (0.009) | 16.44 (0.009) | 16.44 (0.009) | |||||||||
| G magnitude | 15.98 (0.006) | 16.00 | 15.98 | 15.98 (0.003) | 16.00 | |||||||
| BP magnitude | 16.01 (0.006) | 16.00 | 16.00 | |||||||||
| RP magnitude | 15.97 (0.005) | 15.96 | 15.96 | |||||||||
| Pan g magnitude | 15.99 (0.006) | |||||||||||
| Pan r magnitude | 16.09 (0.01) | |||||||||||
| Pan i magnitude | 16.27 (0.009) | |||||||||||
| Pan z magnitude | 16.48 (0.006) | |||||||||||
| Pan y magnitude | 16.63 (0.01) | |||||||||||
| E(B-V) | 0.006 | |||||||||||
* 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
