LAWD 21
All names: NLTT 16280, Gaia EDR3 3370342445848382080, PLX 1450.02, 1SWASP J061518.70+174341.9, G 104-27, USNO-B1.0 1077-00121621, Gaia DR2 3370342445848382080, LSPM J0615+1743, LAWD 21, G 105-24, G104-27, EPIC 202065529, uvby98 980104027, GEN# +9.80104027, LTT 11818, LP 419-7, UCAC2 38039728, Gaia DR3 3370342445848382080, WD 0612+17, EPIC 202059074, 2MASS J06151868+1743409, UBV 6282, PM J06153+1743, EGGR 46, L 1244-26, 06153+1743, CSI+17-06124, WDJ061518.68+174340.33, TIC 434394175, USNO 421, WD 0612+177
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | Gaia DR2 | Bedard et al. 2017 | Stilism | Limoges et al. 2015 | 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 | 06 15 18.61 (0.03) | 06 15 18.61 (0.05) | 06 15 18.61 | 06 15 18.68 (0.03) | 06 15 18.61 | 06 15 19.08 | ||||||||
| Declination | 17 43 34.72 (0.03) | 17 43 34.89 (0.05) | 17 43 34.72 | 17 43 40.33 (0.03) | 17 43 34.89 | 17 43 47.28 | ||||||||
| Spectral type | DA | DA | DA | DA | DA | DA1.9 | DA2 | |||||||
| Effective temperature | [K] | 20749.0 | 26097.0 (380) | 26100.0 (389) | 26150.0 (391) | 25624.0 (24) | 26600.0 (325) | |||||||
| log(g) | [cgs] | 7.76 | 7.99 (0.04) | 7.98 (0.05) | 7.99 (0.05) | 7.81 (0.003) | 8.03 (0.01) | |||||||
| Mass | [M☉] | 0.502 | 0.62 (0.2) | 0.63 (0.03) | 0.63 (0.03) | 0.657 (0.009) | ||||||||
| log(Luminosity) | [L☉] | -1.13 | ||||||||||||
| Cooling age | [Gyr] | 0.0355 | ||||||||||||
| 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] | 23.90 (0.04) | 23.89 (0.06) | 27.70 (2) | 23.90 | 23.90 (0.04) | 23.89 (0.06) | 30.00 | ||||||
| Distance | [pc] | 41.85 (0.06) | 41.87 (0.1) | 42.00 (6) | 36.10 (3) | 43.00 | 41.85 | 41.85 (0.06) | 41.87 (0.1) | 33.33 | ||||
| Composition | H | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -60.47183324 (0.04) | -60.54134773 (0.09) | -60.472 (0.04) | -60.54134773 | |||||||||
| Proper motion (declination) | [mas/yr] | -350.7123991 (0.03) | -350.7156011 (0.08) | -350.712 (0.03) | -350.7156011 | |||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | 13.25 | |||||||||||||
| V magnitude | 13.39 | |||||||||||||
| R magnitude | 13.40 | |||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | 13.91 (0.03) | |||||||||||||
| H magnitude | 13.99 (0.03) | |||||||||||||
| K magnitude | 13.89 (0.06) | |||||||||||||
| u magnitude | ||||||||||||||
| g magnitude | ||||||||||||||
| r magnitude | ||||||||||||||
| i magnitude | ||||||||||||||
| z magnitude | ||||||||||||||
| G magnitude | 13.39 (0.002) | 13.41 | 13.39 | 13.39 (0.003) | 13.41 | |||||||||
| BP magnitude | 13.27 (0.002) | 13.22 | 13.22 | |||||||||||
| RP magnitude | 13.64 (0.0007) | 13.63 | 13.63 | |||||||||||
| Pan g magnitude | 13.32 (0.03) | |||||||||||||
| Pan r magnitude | 13.66 (0) | |||||||||||||
| Pan i magnitude | 13.98 (0.0007) | |||||||||||||
| Pan z magnitude | 14.25 (0.002) | |||||||||||||
| Pan y magnitude | 14.46 (0.008) | |||||||||||||
| E(B-V) | 0.000 | |||||||||||||
* Constant surface field
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