WD 1205+689
All names: SDSS J120738.92+684026.5, Gaia EDR3 1682011619493867264, GALEX J120738.7+684026, SDSS J120738.91+684026.5, WD 1205+689, SDSS J120738.78+684025.7, SDSS J120738.90+684026.5, SDSS J120738.87+684026.2, USNO-B1.0 1586-00119692, SDSS J120738.92+684026.6, Gaia DR3 1682011619493867264, LSPM J1207+6840, Gaia DR2 1682011619493867264
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Tremblay et al. 2011 | Vincent et al. 2024 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Kleinman et al. 2004 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 07 38.59 (0.1) | 12 07 38.87 | 12 07 38.60 (0.1) | 12 07 38.59 | 12 07 38.93 (0.1) | 12 07 38.91 | 12 07 37.94 | 12 07 38.92 | 12 07 38.92 | ||||||
| Declination | 68 40 24.51 (0.1) | 68 40 26.27 | 68 40 24.57 (0.1) | 68 40 24.51 | 68 40 26.58 (0.1) | 68 40 26.59 | 68 40 24.60 | 68 40 26.59 | 68 40 26.58 | ||||||
| Spectral type | DA | DA | DA | DA5 | DA | DA5.4 | DA | DA | |||||||
| Effective temperature | [K] | 9162.0 | 9300.0 (80) | 9614.0 (276) | 9307.0 (62) | 9155.0 (63) | 9392.0 (58) | ||||||||
| log(g) | [cgs] | 7.92 | 8.22 (0.1) | 8.01 (0.06) | 8.27 (0.1) | 8.13 (0.1) | 8.39 (0.08) | ||||||||
| Mass | [M☉] | 0.55 | 0.74 (0.07) | 0.606 (0.05) | 0.673 (0.06) | ||||||||||
| log(Luminosity) | [L☉] | ||||||||||||||
| Cooling age | [Gyr] | 0.6779 | 1.0233 | ||||||||||||
| 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] | 5.50 (0.1) | 5.52 (0.2) | 5.50 | 5.50 (0.1) | ||||||||||
| Distance | [pc] | 181.78 (5) | 181.04 (6) | 181.78 | 181.78 (5) | ||||||||||
| Composition | H | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | -116.37204 (0.1) | -116.1658631 (0.3) | -116.372 (0.1) | -113.5 | -113.0 | |||||||||
| Proper motion (declination) | [mas/yr] | -129.6733324 (0.2) | -129.7344626 (0.3) | -129.673 (0.2) | -132.2 | -131.0 | |||||||||
| Variability | |||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | |||||||||||||||
| B magnitude | 19.00 | ||||||||||||||
| V magnitude | |||||||||||||||
| R magnitude | 19.20 | ||||||||||||||
| I magnitude | |||||||||||||||
| J magnitude | |||||||||||||||
| H magnitude | |||||||||||||||
| K magnitude | |||||||||||||||
| u magnitude | 19.09 (0.02) | 19.09 (0.02) | 19.10 (0.03) | 19.08 | 19.12 (0.03) | 19.08 (0.03) | |||||||||
| g magnitude | 18.69 (0.008) | 18.68 (0.008) | 18.68 (0.03) | 18.69 | 18.69 (0.03) | 18.69 (0.03) | |||||||||
| r magnitude | 18.69 (0.009) | 18.69 (0.009) | 18.71 (0.01) | 18.71 | 18.72 (0.01) | 18.71 (0.01) | |||||||||
| i magnitude | 18.79 (0.01) | 18.79 (0.01) | 18.76 (0.02) | 18.75 | 18.77 (0.02) | 18.75 (0.02) | |||||||||
| z magnitude | 18.84 (0.04) | 18.84 (0.04) | 18.88 (0.05) | 18.85 | 18.88 (0.05) | 18.85 (0.05) | |||||||||
| G magnitude | 18.64 (0.02) | 18.68 | 18.64 | 18.64 (0.003) | |||||||||||
| BP magnitude | 18.71 (0.02) | 18.69 | |||||||||||||
| RP magnitude | 18.52 (0.03) | 18.45 | |||||||||||||
| Pan g magnitude | 18.68 (0.009) | ||||||||||||||
| Pan r magnitude | 18.70 (0.009) | ||||||||||||||
| Pan i magnitude | 18.80 (0.008) | ||||||||||||||
| Pan z magnitude | 18.96 (0.01) | ||||||||||||||
| Pan y magnitude | 19.02 (0.04) | ||||||||||||||
| E(B-V) | 0.015 | ||||||||||||||
* Constant surface field
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