GD 321
All names: WIRED J125804.47+501445.7, NLTT 32462, J1258+5014, WD 1255+505, WDJ125804.52+501445.73, GD 321, 2MASS J12580448+5014460, SDSS J125804.48+501445.7, USNO-B1.0 1402-00248510, SDSS J125804.48+501445.8, LP 131-81, Gaia EDR3 1555883930548870400, SDSS J125804.47+501445.7, PSO J194.5176+50.2459, LSPM J1258+5014, LB 2502, Gaia DR2 1555883930548870400, Gaia DR3 1555883930548870400, TIC 416591922, GALEX J125804.4+501445
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Kilic et al. 2025 | Caron et al. 2023 | Kilic et al. 2020 | Blouin et al. 2019 | MWDD H | Gaia DR2 | Stilism | Tremblay et al. 2011 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 58 04.21 (0.03) | 12 58 04.48 | 12 58 04.22 (0.04) | 12 58 04.21 | 12 58 04.52 (0.03) | 12 58 04.22 | 12 58 04.48 | 12 58 03.91 | 12 58 04.48 | ||||||||||
| Declination | 50 14 45.57 (0.03) | 50 14 45.76 | 50 14 45.57 (0.04) | 50 14 45.57 | 50 14 45.73 (0.03) | 50 14 45.57 | 50 14 45.75 | 50 14 42.72 | 50 14 45.75 | ||||||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DA | DA | DA | DA_auto | DA | DA | DA | ||||||
| Effective temperature | [K] | 8243.0 (30) | 8324.0 (29) | 8243.0 (30) | 8230.0 (75) | 8243.0 | 8230.0 (20) | 8023.0 (52) | 8531.0 (19) | 8159.0 (22) | |||||||||
| log(g) | [cgs] | 8.12 (0.006) | 8.14 (0.006) | 8.12 (0.006) | 8.13 (0.02) | 8.12 | 8.31 (0.04) | 8.07 (0.01) | 8.55 (0.03) | 8.22 (0.03) | |||||||||
| Mass | [M☉] | 0.669 (0.006) | 0.683 (0.005) | 0.669 (0.006) | 0.673 (0.01) | 0.669 | 0.8 (0.03) | 0.636 (0.01) | |||||||||||
| log(Luminosity) | [L☉] | ||||||||||||||||||
| Cooling age | [Gyr] | 1.2400 | 1.2070 (0.05) | 1.1880 | 1.7378 | ||||||||||||||
| 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] | 19.96 (0.04) | 19.96 (0.06) | 19.96 (0.06) | 19.96 (0.06) | 19.96 | 19.96 (0.04) | 19.96 (0.06) | |||||||||||
| Distance | [pc] | 50.10 (0.1) | 50.10 (0.2) | 50.09 (0.1) | 50.09 (0.1) | 50.10 | 50.10 (0.1) | 50.09 (0.1) | |||||||||||
| Composition | H | H | H | H | H | ||||||||||||||
| Proper motion (right ascension) | [mas/yr] | -184.3610717 (0.03) | -184.4135283 (0.06) | -184.361 (0.03) | -184.414 | -183.5 | |||||||||||||
| Proper motion (declination) | [mas/yr] | -10.0400645 (0.04) | -10.13484389 (0.07) | -10.04 (0.04) | -10.135 | -12.5 | |||||||||||||
| Variability | |||||||||||||||||||
| Magnetic | |||||||||||||||||||
| Bd | [MG] | ||||||||||||||||||
| Infrared excess (disk) | |||||||||||||||||||
| Binarity | |||||||||||||||||||
| B magnitude | 16.50 | ||||||||||||||||||
| V magnitude | |||||||||||||||||||
| R magnitude | 16.60 | ||||||||||||||||||
| I magnitude | |||||||||||||||||||
| J magnitude | 16.15 (0.01) | 16.37 (0.1) | 16.37 (0.1) | ||||||||||||||||
| H magnitude | 16.12 (0.2) | 16.12 (0.2) | 16.12 (0.2) | ||||||||||||||||
| K magnitude | 15.62 (0.2) | 15.62 (0.2) | 15.62 (0.2) | ||||||||||||||||
| u magnitude | 17.03 (0.008) | 17.02 (0.008) | 17.03 (0.008) | 17.03 (0.008) | 17.03 (0.01) | 17.02 | 17.04 (0.01) | ||||||||||||
| g magnitude | 16.61 (0.004) | 16.60 (0.002) | 16.61 (0.004) | 16.62 (0.01) | 16.62 | 16.62 (0.01) | |||||||||||||
| r magnitude | 16.58 (0.005) | 16.57 (0.004) | 16.58 (0.005) | 16.59 (0.01) | 16.59 | 16.58 (0.02) | |||||||||||||
| i magnitude | 16.61 (0.005) | 16.62 (0.002) | 16.61 (0.005) | 16.62 (0.01) | 16.62 | 16.61 (0.01) | |||||||||||||
| z magnitude | 16.72 (0.009) | 16.71 (0.005) | 16.72 (0.009) | 16.73 (0.02) | 16.74 | 16.73 (0.02) | |||||||||||||
| G magnitude | 16.51 (0.004) | 16.53 | 16.51 | 16.51 (0.003) | 16.53 | ||||||||||||||
| BP magnitude | 16.65 (0.004) | 16.63 | 16.63 | ||||||||||||||||
| RP magnitude | 16.30 (0.004) | 16.30 | 16.30 | ||||||||||||||||
| Pan g magnitude | 16.60 (0.002) | 16.60 (0.002) | 16.60 (0.002) | ||||||||||||||||
| Pan r magnitude | 16.57 (0.003) | 16.57 (0.003) | 16.57 (0.003) | ||||||||||||||||
| Pan i magnitude | 16.62 (0.002) | 16.62 (0.002) | 16.62 (0.002) | ||||||||||||||||
| Pan z magnitude | 16.71 (0.005) | 16.71 (0.006) | 16.71 (0.006) | ||||||||||||||||
| Pan y magnitude | 16.78 (0.006) | 16.78 (0.006) | 16.78 (0.006) | ||||||||||||||||
| E(B-V) | 0.003 | ||||||||||||||||||
* Constant surface field
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