EGGR 582
All names: TIC 367457851, UCAC2 40108722, Gaia DR3 1794118516552814336, NLTT 51749, J2138+2309, GALEX J213846.2+230922, 2MASS J21384620+2309215, PLX 5218.11, USNO 358, EGGR 582, LSPM J2138+2309, G 126-18, PM J21387+2309, uvby98 980126018, G126-18, WDJ213846.19+230921.49, GEN# +9.80126018, 21387+2309, Gaia EDR3 1794118516552814336, WD 2136+22, WD 2136+229, SDSS J213846.38+230922.6, Gaia DR2 1794118516552814336, USNO-B1.0 1131-00611345, SDSS J213846.38+230922.7
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Caron et al. 2023 | Kilic et al. 2020 | MWDD H | Gaia DR2 | Bedard et al. 2017 | Stilism | Limoges et al. 2015 | Gianninas et al. 2011 | Koester et al. 2009 | Bergeron et al. 2001 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 21 38 46.50 (0.02) | 21 38 46.49 (0.04) | 21 38 46.50 | 21 38 46.19 (0.02) | 21 38 46.49 | 21 38 45.24 | ||||||||||||
| Declination | 23 09 23.42 (0.02) | 23 09 23.36 (0.04) | 23 09 23.42 | 23 09 21.49 (0.02) | 23 09 23.36 | 23 09 16.92 | ||||||||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DA | DA | DA | DA4.9 | DA5 | |||||||
| Effective temperature | [K] | 10391.0 (28) | 10179.0 (56) | 9695.0 (33) | 9860.0 | 10127.0 (148) | 10130.0 (147) | 10320.0 (149) | 10084.0 (11) | 9480.0 (250) | 10088.0 (58) | |||||||
| log(g) | [cgs] | 8.03 (0.004) | 7.91 (0.009) | 7.80 (0.007) | 7.95 | 7.93 (0.05) | 7.93 (0.05) | 8.18 (0.05) | 8.06 (0.009) | 7.85 (0.2) | 8.00 (0.009) | |||||||
| Mass | [M☉] | 0.622 (0.004) | 0.528 (0.007) | 0.47 (0.005) | 0.568 | 0.59 (0.2) | 0.56 (0.03) | 0.71 (0.03) | 0.52 (0.1) | 0.598 (0.008) | ||||||||
| log(Luminosity) | [L☉] | -2.77 | -2.84 (0.1) | |||||||||||||||
| Cooling age | [Gyr] | 0.5500 | 0.5827 | 0.5800 (0.1) | ||||||||||||||
| log(H/He) | -1.0 | -1.5 | ||||||||||||||||
| 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] | 23.99 (0.03) | 23.95 (0.04) | 23.95 (0.04) | 23.80 (3) | 23.80 (3) | 23.99 | 23.99 (0.03) | 23.95 (0.04) | 24.00 (3) | ||||||||
| Distance | [pc] | 41.68 (0.05) | 41.75 (0.07) | 41.75 (0.08) | 41.70 (6) | 42.00 (6) | 38.00 | 42.02 (5) | 41.68 | 41.68 (0.05) | 41.75 (0.08) | 41.67 (5) | ||||||
| Composition | H | He | H | H | H | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | 265.0041136 (0.03) | 264.7742336 (0.08) | 265.004 (0.03) | 264.7742336 | |||||||||||||
| Proper motion (declination) | [mas/yr] | 120.6906313 (0.03) | 120.7706218 (0.08) | 120.691 (0.03) | 120.7706218 | |||||||||||||
| Variability | NOV | |||||||||||||||||
| Magnetic | ||||||||||||||||||
| Bd | [MG] | |||||||||||||||||
| Infrared excess (disk) | ||||||||||||||||||
| Binarity | ||||||||||||||||||
| B magnitude | 15.42 | 15.39 | ||||||||||||||||
| V magnitude | 15.25 | 15.25 | ||||||||||||||||
| R magnitude | 15.19 | 14.60 | ||||||||||||||||
| I magnitude | 15.11 | |||||||||||||||||
| J magnitude | 15.16 (0.006) | 15.04 | 15.11 (0.06) | |||||||||||||||
| H magnitude | 15.05 (0.09) | 14.96 | 15.05 (0.09) | |||||||||||||||
| K magnitude | 14.82 (0.1) | 15.09 | 14.82 (0.1) | |||||||||||||||
| u magnitude | 15.48 (0.005) | 15.48 (0.005) | 15.48 (0.005) | |||||||||||||||
| g magnitude | 15.06 (0.004) | 15.06 (0.004) | ||||||||||||||||
| r magnitude | 15.17 (0.004) | 15.17 (0.004) | ||||||||||||||||
| i magnitude | 15.28 (0.005) | 15.28 (0.005) | ||||||||||||||||
| z magnitude | 15.48 (0.006) | 15.48 (0.006) | ||||||||||||||||
| G magnitude | 15.23 (0.003) | 15.25 | 15.23 | 15.23 (0.003) | 15.25 | |||||||||||||
| BP magnitude | 15.29 (0.003) | 15.28 | 15.28 | |||||||||||||||
| RP magnitude | 15.15 (0.004) | 15.16 | 15.16 | |||||||||||||||
| Pan g magnitude | 15.24 (0.0007) | 15.24 (0.0007) | ||||||||||||||||
| Pan r magnitude | 15.33 (0.002) | 15.33 (0.002) | ||||||||||||||||
| Pan i magnitude | 15.46 (0.004) | 15.46 (0.004) | ||||||||||||||||
| Pan z magnitude | 15.62 (0.006) | 15.62 (0.006) | ||||||||||||||||
| Pan y magnitude | 15.73 (0.004) | 15.73 (0.005) | ||||||||||||||||
| E(B-V) | 0.002 | |||||||||||||||||
* Constant surface field
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