EGGR 58
All names: LSPM J0820+3834W, NLTT 19311, WD 0816+387, Gaia EDR3 908364559240386944, WDJ082001.34+383435.52, IDS 08135+3853 B, Gaia DR2 908364559240386944, 2MASS J08200137+3834364, KUV 08167+3844, WD 0816+38, UBV 7965, 08200+3834W, Gaia DR3 908364559240386944, SDSS J082001.31+383435.0, PM J08200+3834W, ** GIC 80B, PSO J125.0046+38.5754, CCDM J08201+3835B, G 111-71, SDSS J082001.30+383434.9, G111-71, EGGR 58, GALEX J082001.2+383434, WDS J08201+3834B, WIRED J082001.30+383434.9, J0820+3834, GCRV 59549, USNO-B1.0 1285-00177085, CSI+38-08167, SDSS J082001.30+383435.0, TIC 18783115, USNO 309
| 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 | Bedard et al. 2017 | Stilism | Limoges et al. 2015 | Gianninas et al. 2011 | Tremblay et al. 2011 | Bergeron et al. 2001 | 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 | 08 20 01.09 (0.05) | 08 20 01.31 | 08 20 01.09 (0.07) | 08 20 01.09 | 08 20 01.34 (0.05) | 08 20 01.09 | 08 20 01.31 | 08 20 01.73 | 08 20 01.31 | ||||||||||||||
| Declination | 38 34 31.43 (0.04) | 38 34 35.00 | 38 34 31.55 (0.06) | 38 34 31.43 | 38 34 35.52 (0.04) | 38 34 31.55 | 38 34 35.00 | 38 34 42.96 | 38 34 35.02 | ||||||||||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DA | DA | DA | DA | DA | DA6.5 | DA | DA_auto | DAZ | DA | DA | ||||||
| Effective temperature | [K] | 7598.0 (35) | 7591.0 (29) | 7598.0 (36) | 7550.0 (65) | 7555.0 | 7544.0 (123) | 7750.0 (154) | 7700.0 (114) | 7590.0 (20) | 7570.0 (190) | 7825.0 (72) | 8001.0 (17) | 7457.0 (18) | |||||||||
| log(g) | [cgs] | 8.04 (0.008) | 8.04 (0.007) | 8.04 (0.008) | 8.03 (0.02) | 8.03 | 8.10 (0.09) | 8.27 (0.1) | 8.07 (0.07) | 8.13 (0.03) | 8.19 (0.1) | 8.11 (0.01) | 8.53 (0.03) | 7.95 (0.03) | |||||||||
| Mass | [M☉] | 0.62 (0.007) | 0.619 (0.006) | 0.617 (0.007) | 0.614 (0.01) | 0.61 | 0.57 (0.2) | 0.77 (0.09) | 0.64 (0.04) | 0.68 (0.02) | 0.71 (0.09) | 0.659 (0.01) | 0.567 (0.01) | ||||||||||
| log(Luminosity) | [L☉] | -3.44 | -3.43 (0.09) | ||||||||||||||||||||
| Cooling age | [Gyr] | 1.3500 | 1.3110 (0.05) | 1.2960 | 1.5136 | 1.6700 (0.5) | |||||||||||||||||
| 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] | 22.47 (0.07) | 22.41 (0.09) | 22.41 (0.09) | 22.41 (0.09) | 25.20 (2) | 25.20 (2) | 22.47 | 22.47 (0.07) | 22.41 (0.09) | 19.00 (4) | ||||||||||||
| Distance | [pc] | 44.50 (0.1) | 44.62 (0.2) | 44.63 (0.2) | 44.63 (0.2) | 39.70 (4) | 39.70 (6) | 45.00 | 39.68 (4) | 44.50 | 44.50 (0.1) | 44.63 (0.2) | 52.63 (11) | ||||||||||
| Composition | H | H | H | H | H | H | H | H | |||||||||||||||
| Proper motion (right ascension) | [mas/yr] | -185.9904809 (0.06) | -186.148725 (0.1) | -185.99 (0.06) | -186.149 | -189.1 | |||||||||||||||||
| Proper motion (declination) | [mas/yr] | -255.9780602 (0.05) | -256.039293 (0.1) | -255.978 (0.05) | -256.039 | -260.7 | |||||||||||||||||
| Variability | NOV | ||||||||||||||||||||||
| Magnetic | |||||||||||||||||||||||
| Bd | [MG] | ||||||||||||||||||||||
| Infrared excess (disk) | |||||||||||||||||||||||
| Binarity | |||||||||||||||||||||||
| B magnitude | 16.81 | 16.94 | |||||||||||||||||||||
| V magnitude | 16.51 | ||||||||||||||||||||||
| R magnitude | 16.29 | 16.40 | |||||||||||||||||||||
| I magnitude | 16.07 | ||||||||||||||||||||||
| J magnitude | 15.92 (0.01) | 16.07 (0.1) | 15.87 | 16.07 (0.1) | |||||||||||||||||||
| H magnitude | 15.83 (0.2) | 15.83 (0.2) | 15.72 | 15.83 (0.2) | |||||||||||||||||||
| K magnitude | 15.58 (0.2) | 15.58 (0.2) | 15.73 | 15.58 (0.2) | |||||||||||||||||||
| u magnitude | 17.05 (0.008) | 17.06 (0.008) | 17.05 (0.008) | 17.05 (0.008) | 17.03 (0.02) | 17.03 | 17.04 (0.02) | ||||||||||||||||
| g magnitude | 16.58 (0.005) | 16.58 (0.006) | 16.58 (0.005) | 16.61 (0.02) | 16.61 | 16.61 (0.02) | |||||||||||||||||
| r magnitude | 16.48 (0.005) | 16.47 (0.002) | 16.48 (0.005) | 16.50 (0.01) | 16.50 | 16.49 (0.01) | |||||||||||||||||
| i magnitude | 16.46 (0.006) | 16.49 (0.002) | 16.46 (0.006) | 16.47 (0.008) | 16.47 | 16.47 (0.01) | |||||||||||||||||
| z magnitude | 16.53 (0.009) | 16.56 (0.003) | 16.53 (0.009) | 16.54 (0.01) | 16.54 | 16.53 (0.01) | |||||||||||||||||
| G magnitude | 16.43 (0.007) | 16.45 | 16.43 | 16.43 (0.003) | 16.45 | ||||||||||||||||||
| BP magnitude | 16.59 (0.007) | 16.56 | 16.56 | ||||||||||||||||||||
| RP magnitude | 16.16 (0.004) | 16.16 | 16.16 | ||||||||||||||||||||
| Pan g magnitude | 16.58 (0.007) | 16.58 (0.006) | 16.58 (0.006) | ||||||||||||||||||||
| Pan r magnitude | 16.47 (0.002) | 16.47 (0.002) | 16.48 (0.002) | ||||||||||||||||||||
| Pan i magnitude | 16.49 (0.002) | 16.49 (0.002) | 16.49 (0.002) | ||||||||||||||||||||
| Pan z magnitude | 16.56 (0.003) | 16.56 (0.002) | 16.56 (0.002) | ||||||||||||||||||||
| Pan y magnitude | 16.60 (0.006) | 16.60 (0.005) | 16.60 (0.005) | ||||||||||||||||||||
| E(B-V) | 0.001 | ||||||||||||||||||||||
* Constant surface field
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