WD 1720+288
All names: Gaia DR2 4598568230530318592, SDSS J172251.94+284847.0, SDSS J172251.94+284846.9, Gaia EDR3 4598568230530318592, WD 1720+288, Gaia DR3 4598568230530318592, USNO-B1.0 1188-00261318, WDJ172251.94+284847.28, J1722+2848, LSPM J1722+2848N
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Caron et al. 2023 | Kilic et al. 2020 | MWDD H | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 17 22 51.95 (0.1) | 17 22 51.95 (0.1) | 17 22 51.95 | 17 22 51.94 (0.1) | 17 22 51.95 | 17 22 51.50 | ||||||
| Declination | 28 48 43.12 (0.1) | 28 48 43.25 (0.1) | 28 48 43.12 | 28 48 47.28 (0.1) | 28 48 43.25 | 28 48 44.28 | ||||||
| Spectral type | DA | DA | DA | DA | DA | DA9.4 | ||||||
| Effective temperature | [K] | 5231.0 (39) | 5129.0 (42) | 5052.0 | 5333.0 (76) | |||||||
| log(g) | [cgs] | 8.15 (0.02) | 8.05 (0.02) | 8.05 | 8.20 (0.03) | |||||||
| Mass | [M☉] | 0.674 (0.02) | 0.61 (0.02) | 0.613 | 0.712 (0.03) | |||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 6.3000 | 6.0690 | |||||||||
| 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] | 17.46 (0.1) | 17.42 (0.2) | 17.42 (0.2) | 17.46 | 17.46 (0.1) | 17.42 (0.2) | |||||
| Distance | [pc] | 57.29 (0.4) | 57.41 (0.5) | 57.42 (0.5) | 57.29 | 57.29 (0.4) | 57.42 (0.5) | |||||
| Composition | H | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 8.701189871 (0.1) | 9.003698274 (0.3) | 8.701 (0.1) | 9.003698274 | |||||||
| Proper motion (declination) | [mas/yr] | -259.6935881 (0.2) | -259.8468865 (0.3) | -259.694 (0.2) | -259.8468865 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | 18.10 | |||||||||||
| V magnitude | ||||||||||||
| R magnitude | 17.30 | |||||||||||
| I magnitude | ||||||||||||
| J magnitude | 17.43 (0.04) | 17.43 (0.04) | ||||||||||
| H magnitude | 17.28 (0.04) | 17.28 (0.04) | ||||||||||
| K magnitude | 17.31 (0.07) | 17.31 (0.07) | ||||||||||
| u magnitude | 20.85 (0.06) | 20.83 (0.06) | 20.85 (0.07) | 20.61 | ||||||||
| g magnitude | 19.25 (0.01) | 19.33 (0.01) | 19.23 | |||||||||
| r magnitude | 18.68 (0.009) | 18.72 (0.009) | 18.68 | |||||||||
| i magnitude | 18.32 (0.009) | 18.35 (0.01) | 18.42 | |||||||||
| z magnitude | 18.37 (0.02) | 18.33 (0.03) | 18.31 | |||||||||
| G magnitude | 18.65 (0.03) | 18.67 | 18.65 | 18.65 (0.003) | 18.67 | |||||||
| BP magnitude | 19.08 (0.03) | 19.06 | 19.06 | |||||||||
| RP magnitude | 18.06 (0.03) | 18.05 | 18.05 | |||||||||
| Pan g magnitude | 19.06 (0.01) | 19.06 (0.01) | ||||||||||
| Pan r magnitude | 18.59 (0.008) | 18.59 (0.009) | ||||||||||
| Pan i magnitude | 18.36 (0.006) | 18.36 (0.006) | ||||||||||
| Pan z magnitude | 18.28 (0.01) | 18.28 (0.02) | ||||||||||
| Pan y magnitude | 18.19 (0.04) | 18.19 (0.04) | ||||||||||
| E(B-V) | 0.005 | |||||||||||
* Constant surface field
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