GD 230
All names: LP 455-8, WD 2029+183, TIC 417122885, GEN# +6.10060230, LSPM J2032+1831, Gaia DR2 1815528000815020288, WD 2029+18, GD 230, WDJ203202.87+183114.97, Gaia EDR3 1815528000815020288, NLTT 49415, GALEX J203202.9+183116, USNO-B1.0 1085-00541789, 2MASS J20320286+1831149, Gaia DR3 1815528000815020288, LTT 15992
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | Gaia DR2 | Stilism | Gianninas et al. 2011 | Koester et al. 2009 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 20 32 03.08 (0.04) | 20 32 03.07 (0.06) | 20 32 03.08 | 20 32 02.87 (0.04) | 20 32 03.07 | 20 32 02.16 | ||||||
| Declination | 18 31 15.33 (0.04) | 18 31 15.32 (0.06) | 18 31 15.33 | 18 31 14.97 (0.04) | 18 31 15.32 | 18 31 13.08 | ||||||
| Spectral type | DA | DA | DA | DA3.7 | DA5 | |||||||
| Effective temperature | [K] | 12616.0 | 13560.0 (310) | 13525.0 (77) | 13138.0 (134) | |||||||
| log(g) | [cgs] | 7.90 | 7.91 (0.05) | 7.65 (0.008) | 7.93 (0.01) | |||||||
| Mass | [M☉] | 0.552 | 0.56 (0.03) | 0.567 (0.008) | ||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.2863 | ||||||||||
| 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] | 10.28 (0.05) | 10.31 (0.08) | 10.28 | 10.28 (0.05) | 10.31 (0.08) | ||||||
| Distance | [pc] | 97.32 (0.5) | 96.95 (0.8) | 99.00 | 97.32 | 97.32 (0.5) | 96.95 (0.8) | |||||
| Composition | H | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 184.1059717 (0.05) | 184.1190883 (0.1) | 184.106 (0.05) | 184.1190883 | |||||||
| Proper motion (declination) | [mas/yr] | 22.81143719 (0.05) | 22.83197901 (0.1) | 22.811 (0.05) | 22.83197901 | |||||||
| Variability | NOV | |||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | 16.47 | |||||||||||
| V magnitude | 16.31 | |||||||||||
| R magnitude | 17.10 | |||||||||||
| I magnitude | ||||||||||||
| J magnitude | 16.53 (0.1) | |||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | ||||||||||||
| g magnitude | ||||||||||||
| r magnitude | ||||||||||||
| i magnitude | ||||||||||||
| z magnitude | ||||||||||||
| G magnitude | 16.40 (0.003) | 16.42 | 16.40 | 16.40 (0.003) | 16.42 | |||||||
| BP magnitude | 16.39 (0.003) | 16.39 | 16.39 | |||||||||
| RP magnitude | 16.46 (0.004) | 16.45 | 16.45 | |||||||||
| Pan g magnitude | 16.32 (0.004) | |||||||||||
| Pan r magnitude | 16.53 (0.003) | |||||||||||
| Pan i magnitude | 16.77 (0.003) | |||||||||||
| Pan z magnitude | 16.99 (0.006) | |||||||||||
| Pan y magnitude | 17.13 (0.007) | |||||||||||
| E(B-V) | 0.008 | |||||||||||
* Constant surface field
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