WD 2144+156
All names: PSO J326.6361+15.8447, J2146+1550, Gaia DR3 1772407315138035584, LSPM J2146+1550, TIC 384939354, USNO-B1.0 1058-00618043, Gaia EDR3 1772407315138035584, GALEX J214632.3+155039, WDJ214632.37+155039.08, SDSS J214632.57+155040.4, WD 2144+156, Gaia DR2 1772407315138035584, 2MASS J21463230+1550389
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2026b | Kilic et al. 2025 | Caron et al. 2023 | Blouin et al. 2019 | MWDD H | Gaia DR2 | Stilism | Sayres et al. 2012 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 21 46 32.70 (0.2) | 21 46 32.69 (0.2) | 21 46 32.36 | 21 46 32.70 | 21 46 32.37 (0.2) | 21 46 32.69 | ||||||||
| Declination | 15 50 41.07 (0.1) | 15 50 41.01 (0.3) | 15 50 39.20 | 15 50 41.07 | 15 50 39.08 (0.1) | 15 50 41.01 | ||||||||
| Spectral type | DA | DA | DA | DA | DA5.5 | DA5.5 | DA | DA5.5 | ||||||
| Effective temperature | [K] | 7903.0 (58) | 7875.0 (68) | 7416.0 (41) | 7715.0 (90) | 7788.0 | 8340.0 (40) | 8096.0 (79) | ||||||
| log(g) | [cgs] | 7.34 (0.02) | 7.36 (0.02) | 7.17 (0.03) | 7.31 (0.05) | 7.32 | 8.49 (0.05) | 7.42 (0.03) | ||||||
| Mass | [M☉] | 0.291 (0.009) | 0.298 (0.01) | 0.24 (0.009) | 0.281 (0.01) | 0.285 | 0.32 (0.01) | |||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 0.5200 | 0.5950 (0.03) | 0.5868 | ||||||||||
| log(H/He) | ||||||||||||||
| log(C/He) | ||||||||||||||
| log(Ca/He) | ||||||||||||||
| log(Ca/H) | ||||||||||||||
| log(Li/H) | ||||||||||||||
| log(Be/H) | ||||||||||||||
| log(B/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(Cl/H) | ||||||||||||||
| log(K/H) | ||||||||||||||
| log(Sc/H) | ||||||||||||||
| log(Ti/H) | ||||||||||||||
| log(V/H) | ||||||||||||||
| log(Cr/H) | ||||||||||||||
| log(Mn/H) | ||||||||||||||
| log(Fe/H) | ||||||||||||||
| log(Co/H) | ||||||||||||||
| log(Ni/H) | ||||||||||||||
| log(Cu/H) | ||||||||||||||
| log(Sr/H) | ||||||||||||||
| Parallax | [mas] | 13.58 (0.2) | 13.45 (0.3) | 13.45 (0.3) | 13.45 (0.3) | 13.58 | 13.58 (0.2) | 13.45 (0.3) | ||||||
| Distance | [pc] | 73.61 (1) | 74.35 (2) | 74.36 (2) | 74.36 (2) | 47.00 | 73.61 | 73.61 (1) | 74.36 (2) | |||||
| Composition | H | H | H | H | H | H | ||||||||
| Proper motion (right ascension) | [mas/yr] | 303.4053805 (0.2) | 301.7473937 (0.5) | 303.405 (0.2) | 301.7473937 | |||||||||
| Proper motion (declination) | [mas/yr] | 124.6310983 (0.2) | 124.441793 (0.5) | 124.631 (0.2) | 124.441793 | |||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | 16.30 | |||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | 16.00 | |||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | 16.00 (0.01) | 15.93 (0.1) | 15.93 (0.1) | 15.93 (0.1) | ||||||||||
| H magnitude | 15.72 (0.2) | 15.72 (0.2) | 15.72 (0.2) | 15.72 (0.1) | ||||||||||
| K magnitude | 15.53 (0.03) | 15.53 | ||||||||||||
| u magnitude | 17.13 (0.01) | 17.14 (0.01) | 17.14 (0.01) | 17.08 (0.01) | ||||||||||
| g magnitude | 16.60 (0.004) | 16.61 (0.009) | 16.62 (0.004) | |||||||||||
| r magnitude | (0.004) | 16.56 (0.007) | 16.51 (0.004) | |||||||||||
| i magnitude | 16.51 (0.005) | 16.57 (0.004) | 16.52 (0.005) | |||||||||||
| z magnitude | 16.55 (0.009) | 16.65 (0.005) | 16.56 (0.01) | |||||||||||
| G magnitude | 16.72 (0.005) | 16.61 | 16.72 | 16.72 (0.005) | 16.61 | |||||||||
| BP magnitude | 16.63 (0.005) | 16.64 | 16.64 | |||||||||||
| RP magnitude | 16.22 (0.003) | 16.23 | 16.23 | |||||||||||
| Pan g magnitude | 16.61 (0.009) | 16.61 (0.009) | 16.61 (0.009) | |||||||||||
| Pan r magnitude | 16.56 (0.007) | 16.56 (0.007) | 16.55 (0.007) | |||||||||||
| Pan i magnitude | 16.57 (0.004) | 16.57 (0.004) | 16.57 (0.004) | |||||||||||
| Pan z magnitude | 16.65 (0.005) | 16.65 (0.005) | 16.65 (0.005) | |||||||||||
| Pan y magnitude | 16.71 (0.01) | 16.71 (0.01) | 16.71 (0.01) | |||||||||||
| E(B-V) | 0.005 | |||||||||||||
* Constant surface field
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