SDSS J171221.55+282410.8
All names: WD 1710+284, SDSS J171221.56+282410.9, SDSS J171221.57+282410.9, SDSS J171221.55+282410.8, Gaia DR2 4575403199862795392, Gaia DR3 4575403199862795392, GALEX J171221.5+282411, Gaia EDR3 4575403199862795392, SDSS J171221.55+282410.9
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 17 12 21.55 (0.3) | 17 12 21.56 | 17 12 21.55 (0.4) | 17 12 21.56 (0.3) | 17 12 21.56 | 17 12 21.43 | 17 12 21.57 | ||||
| Declination | 28 24 10.89 (0.3) | 28 24 10.93 | 28 24 10.89 (0.4) | 28 24 10.95 (0.3) | 28 24 10.90 | 28 24 05.04 | 28 24 10.94 | ||||
| Spectral type | DA | DA | DA_auto | DA | DA | ||||||
| Effective temperature | [K] | 19562.0 | 21159.0 (720) | 21447.0 (785) | |||||||
| log(g) | [cgs] | 6.63 | 7.90 (0.1) | 7.95 (0.1) | |||||||
| Mass | [M☉] | 0.201 | 0.6 (0.07) | ||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| 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] | 0.43 (0.3) | 0.55 (0.5) | 0.43 (0.3) | |||||||
| Distance | [pc] | 2302.61 (1824) | 1805.55 (1531) | 2302.56 (1824) | |||||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -7.774417132 (0.3) | -8.290428417 (0.8) | -7.774 (0.3) | 4.9 | ||||||
| Proper motion (declination) | [mas/yr] | -3.714589707 (0.4) | -4.274596265 (0.9) | -3.715 (0.4) | -11.2 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 19.85 (0.03) | 19.85 (0.03) | 19.87 (0.03) | 19.87 | 19.88 (0.03) | ||||||
| g magnitude | 19.87 (0.01) | 19.86 (0.01) | 19.89 (0.02) | 19.89 | 19.89 (0.02) | ||||||
| r magnitude | 20.27 (0.02) | 20.27 (0.02) | 20.26 (0.02) | 20.26 | 20.26 (0.02) | ||||||
| i magnitude | 20.60 (0.03) | 20.60 (0.03) | 20.61 (0.03) | 20.61 | 20.61 (0.03) | ||||||
| z magnitude | 20.66 (0.1) | 20.66 (0.1) | 20.64 (0.1) | 20.65 | 20.66 (0.1) | ||||||
| G magnitude | 20.07 (0.06) | 20.14 | 20.07 (0.005) | ||||||||
| BP magnitude | 20.01 (0.06) | 20.00 | |||||||||
| RP magnitude | 20.14 (0.07) | 20.28 | |||||||||
| Pan g magnitude | 19.90 (0.01) | ||||||||||
| Pan r magnitude | 20.26 (0.01) | ||||||||||
| Pan i magnitude | 20.54 (0.03) | ||||||||||
| Pan z magnitude | 20.76 (0.03) | ||||||||||
| Pan y magnitude | |||||||||||
| E(B-V) | 0.030 | ||||||||||
* Constant surface field
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