GD 357
All names: SDSS J164302.25+384117.4, J1643+3841, WDJ164302.26+384117.21, PG 1641+388, NLTT 43454, Balloon 83500002, TIC 57192159, [DDR98] 45264, GD 357, Gaia EDR3 1352571723628352512, WD 1641+387, BPM 91679, UBV M 43077, FBS 1641+388, USNO-B1.0 1286-00269108, 2MASS J16430224+3841168, EGGR 238, Gaia DR2 1352571723628352512, GALEX J164302.4+384119, SDSS J164302.26+384117.4, UCAC2 45351142, LP 276-56, LSPM J1643+3841, FBS B 142, GEN# +6.10060357, Gaia DR3 1352571723628352512
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Kilic et al. 2020 | MWDD H | Gaia DR2 | Stilism | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 43 02.30 (0.02) | 16 43 02.30 (0.03) | 16 43 02.30 | 16 43 02.26 (0.02) | 16 43 02.30 | 16 43 02.26 | |||||||
| Declination | 38 41 19.84 (0.02) | 38 41 19.75 (0.03) | 38 41 19.84 | 38 41 17.21 (0.02) | 38 41 19.75 | 38 41 08.16 | |||||||
| Spectral type | DA | DA | DA | DA | DA | DA3.1 | DA6 | ||||||
| Effective temperature | [K] | 15688.0 (170) | 15687.0 (169) | 15419.0 | 16320.0 (316) | 15294.0 (115) | |||||||
| log(g) | [cgs] | 8.07 (0.008) | 8.07 (0.008) | 8.05 | 8.10 (0.06) | 8.03 (0.006) | |||||||
| Mass | [M☉] | 0.653 (0.007) | 0.655 (0.007) | 0.644 | 0.67 (0.04) | 0.631 (0.005) | |||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 0.1969 | |||||||||||
| 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] | 21.74 (0.02) | 21.80 (0.03) | 21.74 | 21.74 (0.02) | 21.80 (0.03) | |||||||
| Distance | [pc] | 46.01 (0.04) | 45.88 (0.07) | 43.00 | 46.01 | 46.01 (0.04) | 45.88 (0.07) | ||||||
| Composition | H | H | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 30.13410071 (0.02) | 30.14511904 (0.06) | 30.134 (0.02) | 30.14511904 | ||||||||
| Proper motion (declination) | [mas/yr] | 164.051459 (0.03) | 164.0508188 (0.07) | 164.051 (0.03) | 164.0508188 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 14.69 | ||||||||||||
| V magnitude | |||||||||||||
| R magnitude | 15.00 | ||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 14.96 (0.008) | ||||||||||||
| H magnitude | 15.07 (0.01) | ||||||||||||
| K magnitude | 15.02 (0.04) | ||||||||||||
| u magnitude | 14.75 (0.003) | 14.75 (0.003) | |||||||||||
| g magnitude | 14.47 (0.003) | 14.47 (0.003) | |||||||||||
| r magnitude | 14.77 (0.003) | 14.77 (0.003) | |||||||||||
| i magnitude | 15.04 (0.003) | 15.04 (0.003) | |||||||||||
| z magnitude | 15.32 (0.005) | 15.32 (0.005) | |||||||||||
| G magnitude | 14.63 (0.001) | 14.65 | 14.63 | 14.63 (0.003) | 14.65 | ||||||||
| BP magnitude | 14.58 (0.001) | 14.57 | 14.57 | ||||||||||
| RP magnitude | 14.75 (0.001) | 14.75 | 14.75 | ||||||||||
| Pan g magnitude | 14.52 (0.006) | ||||||||||||
| Pan r magnitude | 14.79 (0.001) | ||||||||||||
| Pan i magnitude | 15.07 (0.002) | ||||||||||||
| Pan z magnitude | 15.32 (0.004) | ||||||||||||
| Pan y magnitude | 15.49 (0.004) | ||||||||||||
| E(B-V) | 0.005 | ||||||||||||
* Constant surface field
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