LB 769
All names: Balloon 81400002, USNO-B1.0 0907-00244544, Gaia DR2 4419865155422033280, LB 769, 2MASS J15142128+0047528, SDSS J151421.27+004752.5, SDSS J151421.25+004752.8, FBS 1511+009, SDSS J151421.27+004752.7, SDSS J151421.27+004752.8, PG 1511+009, PSO J228.5887+00.7979, Gaia DR3 4419865155422033280, TIC 461256602, SDSS J151421.27+004752.9, Gaia EDR3 4419865155422033280, SDSS J151421.26+004752.8, WIRED J151421.25+004752.8, WD 1511+009
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Gianninas et al. 2011 | Tremblay et al. 2011 | Koester et al. 2009 | Liebert et al. 2005 | Harris et al. 2003 | Vincent et al. 2024 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Kleinman et al. 2004 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 14 21.28 (0.05) | 15 14 21.27 | 15 14 21.28 (0.07) | 15 14 21.28 | 15 14 21.27 (0.05) | 15 14 21.27 | 15 14 21.00 | 15 14 21.26 | 15 14 21.26 | ||||||||||
| Declination | 00 47 52.38 (0.05) | 00 47 52.82 | 00 47 52.39 (0.1) | 00 47 52.38 | 00 47 52.81 (0.05) | 00 47 52.79 | 00 47 52.80 | 00 47 52.81 | 00 47 52.80 | ||||||||||
| Spectral type | DA | DA | DA | DA2 | DA | DA1.8 | DA | DA3 | DA | DA | |||||||||
| Effective temperature | [K] | 21704.0 | 28500.0 (421) | 29580.0 (100) | 28041.0 (48) | 27590.0 (409) | 27435.0 (646) | 28636.0 (65) | 28999.0 (117) | 28636.0 (33) | |||||||||
| log(g) | [cgs] | 7.53 | 7.86 (0.05) | 7.82 (0.02) | 7.82 (0.009) | 7.83 (0.05) | 7.83 (0.03) | 7.75 (0.02) | 7.81 (0.02) | 7.79 (0.02) | |||||||||
| Mass | [M☉] | 0.41 | 0.57 (0.02) | 0.55 (0.01) | 0.56 (0.02) | 0.551 (0.02) | 0.554 (0.009) | ||||||||||||
| log(Luminosity) | [L☉] | -0.93 | |||||||||||||||||
| Cooling age | [Gyr] | 0.0270 | 0.0095 | 0.0145 | |||||||||||||||
| 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] | 6.45 (0.06) | 6.38 (0.1) | 6.45 | 6.45 (0.06) | ||||||||||||||
| Distance | [pc] | 155.16 (1) | 156.83 (3) | 159.00 | 160.00 | 155.16 | 155.16 (1) | ||||||||||||
| Composition | H | H | H | ||||||||||||||||
| Proper motion (right ascension) | [mas/yr] | 4.350263311 (0.06) | 4.400035204 (0.2) | 4.35 (0.06) | 7.0 | 6.0 | |||||||||||||
| Proper motion (declination) | [mas/yr] | -26.85532841 (0.05) | -27.04093326 (0.2) | -26.855 (0.05) | -25.7 | -27.0 | |||||||||||||
| Variability | |||||||||||||||||||
| Magnetic | |||||||||||||||||||
| Bd | [MG] | ||||||||||||||||||
| Infrared excess (disk) | |||||||||||||||||||
| Binarity | |||||||||||||||||||
| B magnitude | 15.61 | ||||||||||||||||||
| V magnitude | 15.87 | 15.87 | 16.50 | ||||||||||||||||
| R magnitude | 16.20 | ||||||||||||||||||
| I magnitude | |||||||||||||||||||
| J magnitude | 16.45 (0.01) | ||||||||||||||||||
| H magnitude | 16.58 (0.02) | ||||||||||||||||||
| K magnitude | 16.73 (0.04) | ||||||||||||||||||
| u magnitude | 15.47 (0.004) | 15.48 | 15.47 (0.004) | 15.48 (0.01) | 15.49 | 15.49 (0.01) | 15.49 (0.01) | ||||||||||||
| g magnitude | 15.67 (0.003) | 15.68 | 15.67 (0.003) | 15.69 (0.01) | 15.68 | 15.68 (0.01) | 15.68 (0.01) | ||||||||||||
| r magnitude | 16.09 (0.004) | 16.10 | 16.09 (0.004) | 16.10 (0.01) | 16.11 | 16.10 (0.01) | 16.11 (0.01) | ||||||||||||
| i magnitude | 16.42 (0.004) | 16.42 | 16.42 (0.004) | 16.42 (0.01) | 16.42 | 16.43 (0.01) | 16.42 (0.01) | ||||||||||||
| z magnitude | 16.73 (0.009) | 16.71 | 16.73 (0.009) | 16.71 (0.01) | 16.71 | 16.72 (0.01) | 16.71 (0.01) | ||||||||||||
| G magnitude | 15.88 (0.003) | 15.91 | 15.88 | 15.88 (0.003) | |||||||||||||||
| BP magnitude | 15.77 (0.003) | 15.74 | |||||||||||||||||
| RP magnitude | 16.11 (0.005) | 16.12 | |||||||||||||||||
| Pan g magnitude | 15.73 (0.002) | ||||||||||||||||||
| Pan r magnitude | 16.11 (0.005) | ||||||||||||||||||
| Pan i magnitude | 16.43 (0.002) | ||||||||||||||||||
| Pan z magnitude | 16.71 (0.004) | ||||||||||||||||||
| Pan y magnitude | 16.88 (0.009) | ||||||||||||||||||
| E(B-V) | 0.028 | ||||||||||||||||||
* Constant surface field
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