LB 9169
All names: USNO-B1.0 1102-00167527, WIRED J090318.54+201245.7, LP 426-53, SDSS J090318.54+201245.7, 2MASS J09031857+2012469, Gaia DR3 636651837034002944, PM J09033+2012, NLTT 20852, WD 0900+204, TIC 203254160, J0903+2012, LSPM J0903+2012, Gaia DR2 636651837034002944, LB 9169, PSO J135.8272+20.2121, WDJ090318.55+201246.78, GALEX J090318.5+201246, SDSS J090318.55+201245.7, 09033+2012, SDSS J090318.55+201245.8, EPIC 211997512, Gaia EDR3 636651837034002944
| 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 | Stilism | Limoges et al. 2015 | Sayres et al. 2012 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 03 18.54 (0.06) | 09 03 18.55 | 09 03 18.54 (0.1) | 09 03 18.57 | 09 03 18.54 | 09 03 18.55 (0.06) | 09 03 18.54 | 09 03 18.10 | 09 03 18.55 | ||||||||||
| Declination | 20 12 43.50 (0.05) | 20 12 45.78 | 20 12 43.60 (0.08) | 20 12 46.70 | 20 12 43.50 | 20 12 46.78 (0.05) | 20 12 43.60 | 20 12 41.76 | 20 12 45.79 | ||||||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DA6.0 | DA | DA6 | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 7215.0 (32) | 7224.0 (27) | 7214.0 (32) | 7155.0 (65) | 7168.0 | 7170.0 (113) | 7190.0 (40) | 7237.0 (62) | 7077.0 (22) | |||||||||
| log(g) | [cgs] | 7.87 (0.009) | 7.88 (0.01) | 7.88 (0.01) | 7.88 (0.03) | 7.87 | 8.01 (0.1) | 7.92 (0.06) | 7.89 (0.02) | 7.74 (0.04) | |||||||||
| Mass | [M☉] | 0.52 (0.007) | 0.526 (0.008) | 0.524 (0.009) | 0.52 (0.01) | 0.517 | 0.6 (0.06) | 0.528 (0.01) | 0.471 (0.02) | ||||||||||
| log(Luminosity) | [L☉] | -3.42 | |||||||||||||||||
| Cooling age | [Gyr] | 1.2300 | 1.2040 (0.05) | 1.1860 | |||||||||||||||
| 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] | 17.83 (0.08) | 17.93 (0.1) | 17.93 (0.1) | 17.93 (0.1) | 17.83 | 17.83 (0.08) | 17.93 (0.1) | |||||||||||
| Distance | [pc] | 56.08 (0.2) | 55.77 (0.4) | 55.77 (0.4) | 55.77 (0.4) | 50.80 (1) | 52.20 | 56.08 | 56.08 (0.2) | 55.77 (0.4) | |||||||||
| Composition | H | H | H | H | H | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | -5.750739294 (0.08) | -5.804891394 (0.2) | -5.751 (0.08) | -5.805 | ||||||||||||||
| Proper motion (declination) | [mas/yr] | -204.8527271 (0.06) | -204.8855405 (0.1) | -204.853 (0.06) | -204.886 | ||||||||||||||
| Variability | |||||||||||||||||||
| Magnetic | |||||||||||||||||||
| Bd | [MG] | ||||||||||||||||||
| Infrared excess (disk) | |||||||||||||||||||
| Binarity | |||||||||||||||||||
| B magnitude | 16.20 | ||||||||||||||||||
| V magnitude | |||||||||||||||||||
| R magnitude | 16.80 | ||||||||||||||||||
| I magnitude | |||||||||||||||||||
| J magnitude | 16.26 (0.01) | 16.27 (0.1) | 16.27 | 16.27 (0.1) | 16.27 (0.1) | ||||||||||||||
| H magnitude | 16.19 (0.2) | 16.19 (0.2) | 16.19 | 16.19 (0.2) | 16.19 (0.2) | ||||||||||||||
| K magnitude | 15.86 (0.2) | 15.86 (0.2) | 15.86 | 15.86 (0.2) | 15.86 (0.2) | ||||||||||||||
| u magnitude | 17.58 (0.01) | 17.57 (0.01) | 17.59 | 17.59 (0.01) | 17.58 (0.01) | 17.58 (0.01) | 17.59 (0.02) | ||||||||||||
| g magnitude | 17.07 (0.005) | 17.07 | 17.07 (0.005) | 17.07 (0.004) | 17.07 (0.005) | 17.08 (0.02) | |||||||||||||
| r magnitude | 16.91 (0.005) | 16.91 | (0.005) | 16.92 (0.005) | 16.91 (0.005) | 16.88 (0.02) | |||||||||||||
| i magnitude | 16.88 (0.006) | 16.88 | 16.88 (0.005) | 16.91 (0.004) | 16.88 (0.006) | 16.87 (0.02) | |||||||||||||
| z magnitude | 16.97 (0.01) | 16.96 | 16.96 (0.01) | 16.97 (0.003) | 16.97 (0.01) | 16.96 (0.02) | |||||||||||||
| G magnitude | 16.89 (0.005) | 16.91 | 16.89 | 16.89 (0.003) | 16.91 | ||||||||||||||
| BP magnitude | 17.08 (0.005) | 17.07 | 17.07 | ||||||||||||||||
| RP magnitude | 16.59 (0.007) | 16.59 | 16.59 | ||||||||||||||||
| Pan g magnitude | 17.07 (0.003) | 17.07 (0.004) | 17.07 (0.004) | ||||||||||||||||
| Pan r magnitude | 16.92 (0.005) | 16.92 (0.005) | 16.92 (0.005) | ||||||||||||||||
| Pan i magnitude | 16.91 (0.003) | 16.91 (0.003) | 16.91 (0.003) | ||||||||||||||||
| Pan z magnitude | 16.97 (0.003) | 16.97 (0.003) | 16.97 (0.003) | ||||||||||||||||
| Pan y magnitude | 16.98 (0.01) | 16.98 (0.02) | 16.98 (0.02) | ||||||||||||||||
| E(B-V) | 0.002 | ||||||||||||||||||
* Constant surface field
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