GJ 3768
All names: TIC 154903874, G256-7, Gaia EDR3 1726678630833373824, G 256-7, PLX 3031.01, GALEX J130843.1+850226, GJ 3768, LP 7-226, J1308+8502, LSPM J1308+8502, 2MASS J13084106+8502283, WD 1309+85, PM J13086+8502, Gaia DR2 1726678630833373824, LP 8-46, WDJ130841.20+850228.16, 13086+8502, EGGR 436, CNS5 3234, Gaia DR3 1726678630833373824, GEN# +9.80256007, NLTT 33249, WISEA J130842.93+850225.5, WD 1309+853, GAT 1377, USNO-B1.0 1750-00025127, PSO J197.1800+85.0403, G256-007
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | O'Brien et al. 2024 | Caron et al. 2023 | McCleery et al. 2020 | Blouin et al. 2019 | MWDD H | Gaia DR2 | Stilism | Holberg et al. 2016 | Ferrario et al. 2015 | Limoges et al. 2015 | Sion et al. 2014 | Giammichele et al. 2012 | Holberg et al. 2008 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 13 08 43.84 (0.03) | 13 08 43.76 (0.04) | 13 08 43.76 (0.04) | 13 08 41.04 | 13 08 43.84 | 13 08 41.19 (0.03) | 13 08 43.76 | 13 08 36.96 | ||||||||||||
| Declination | 85 02 24.15 (0.03) | 85 02 24.28 (0.03) | 85 02 24.28 (0.03) | 85 02 27.60 | 85 02 24.15 | 85 02 28.16 (0.03) | 85 02 24.28 | 85 02 39.48 | ||||||||||||
| Spectral type | DAH | DAP | DAP | DAP | DAP | DAP | DA | DAP | DAP9 | DAP | DAP | DA: | DA9P | DCP9 | ||||||
| Effective temperature | [K] | 5254.0 (28) | 5375.0 (17) | 5240.8 (19) | 5300.0 (25) | 5290.0 | 5440.0 (98) | 5600.0 | 5430.0 (135) | 5440.0 | 5440.0 (98) | 5316.0 (15) | ||||||||
| log(g) | [cgs] | 8.08 (0.02) | 8.16 (0.007) | 8.07 (0.01) | 8.12 (0.01) | 8.10 | 8.20 (0.03) | 8.19 (0.02) | 8.20 (0.03) | 8.11 (0.007) | ||||||||||
| Mass | [M☉] | 0.629 (0.01) | 0.681 (0.006) | 0.655 (0.01) | 0.645 | 0.71 (0.02) | 0.5 | 0.71 (0.02) | 0.71 (0.02) | 0.651 (0.006) | ||||||||||
| log(Luminosity) | [L☉] | -4.01 | -4.01 | |||||||||||||||||
| Cooling age | [Gyr] | 5.5000 | 5.4630 (0.2) | 5.3360 | 4.9900 | 5.4500 | ||||||||||||||
| 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] | 60.71 (0.03) | 60.71 (0.03) | 60.72 (0.04) | 60.72 (0.04) | 60.72 (0.04) | 60.72 (0.04) | 60.62 (1) | 60.70 (1) | 60.70 (1) | 55.40 | 60.71 | 60.71 (0.03) | 60.72 (0.04) | 54.50 (9) | |||||
| Distance | [pc] | 16.47 (0.008) | 16.47 (0.008) | 16.47 (0.01) | 16.47 (0.01) | 16.47 (0.01) | 16.47 (0.01) | 16.50 (0.3) | 16.50 (0.9) | 16.47 | 16.50 (0.3) | 18.05 | 16.47 | 16.47 (0.008) | 16.47 (0.01) | 18.35 (3) | ||||
| Composition | H | H | H | H | H | H | H | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | 214.4302863 (0.04) | 214.2800149 (0.07) | 214.43 (0.04) | 214.2800149 | |||||||||||||||
| Proper motion (declination) | [mas/yr] | -250.7121185 (0.04) | -250.8320011 (0.06) | -250.712 (0.04) | -250.8320011 | |||||||||||||||
| Variability | ||||||||||||||||||||
| Magnetic | yes | yes | yes | yes | ||||||||||||||||
| Bd | [MG] | 4.9 | 4.9 (0.5) | |||||||||||||||||
| Infrared excess (disk) | ||||||||||||||||||||
| Binarity | ||||||||||||||||||||
| B magnitude | 16.77 | 16.76 | ||||||||||||||||||
| V magnitude | 15.99 | 15.97 | ||||||||||||||||||
| R magnitude | 15.90 | |||||||||||||||||||
| I magnitude | ||||||||||||||||||||
| J magnitude | 14.69 (0.03) | 14.69 (0.03) | 14.69 | 14.69 (0.03) | ||||||||||||||||
| H magnitude | 14.46 (0.06) | 14.46 (0.06) | 14.46 | 14.46 (0.06) | ||||||||||||||||
| K magnitude | 14.34 (0.09) | 14.34 (0.09) | 14.34 | 14.34 (0.09) | ||||||||||||||||
| u magnitude | ||||||||||||||||||||
| g magnitude | 16.31 (0.005) | |||||||||||||||||||
| r magnitude | 15.76 (0.02) | |||||||||||||||||||
| i magnitude | 15.58 (0.003) | |||||||||||||||||||
| z magnitude | 15.52 (0.006) | |||||||||||||||||||
| G magnitude | 15.81 (0.004) | 15.82 | 15.82 | 15.81 | 15.81 (0.003) | 15.82 | ||||||||||||||
| BP magnitude | 16.23 (0.004) | 16.24 | 16.24 | |||||||||||||||||
| RP magnitude | 15.23 (0.002) | 15.24 | 15.24 | |||||||||||||||||
| Pan g magnitude | 16.31 (0.005) | 16.31 (0.005) | 16.31 (0.005) | |||||||||||||||||
| Pan r magnitude | 15.76 (0.02) | 15.76 (0.02) | 15.76 (0.02) | |||||||||||||||||
| Pan i magnitude | 15.58 (0.003) | 15.58 (0.003) | 15.58 (0.003) | |||||||||||||||||
| Pan z magnitude | 15.52 (0.006) | 15.52 (0.006) | 15.52 (0.006) | |||||||||||||||||
| Pan y magnitude | 15.49 (0.005) | 15.49 (0.005) | 15.49 (0.005) | |||||||||||||||||
| E(B-V) | 0.000 | |||||||||||||||||||
* Constant surface field
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