LP 315-42

All names: 10116+2845, PSO J152.9227+28.7638, WD 1008+290, SDSS J101141.53+284555.9, PM J10116+2845, LSPM J1011+2845, [VV2010] J101141.5+284556, NLTT 23636, J1011+2845, SDSS J101141.53+284556.0, Gaia DR3 740483560857296768, CNS5 2502, SDSS J101141.53+284556.00, LP 315-42, LHS 2229, WISEA J101141.47+284551.5, WDJ101141.58+284559.07, LS 2229, Gaia DR2 740483560857296768, TIC 241190677, USNO-B1.0 1187-00179071, 2MASS J10114159+2845598, Gaia EDR3 740483560857296768

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 SDSS DR12 O'Brien et al. 2024 Caron et al. 2023 McCleery et al. 2020 Blouin & Dufour 2019 Blouin et al. 2019 MWDD H MWDD HE Gaia DR2 Subasavage et al. 2017 Stilism Holberg et al. 2016 Ferrario et al. 2015 Limoges et al. 2015 Kepler et al. 2015 Sion et al. 2014 Giammichele et al. 2012 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999) Vincent et al. 2023
Right ascension 10 11 41.43 (0.05) 10 11 41.53 10 11 41.53 10 11 41.43 (0.07) 10 11 41.43 (0.07) 10 11 41.58 10 11 41.52 10 11 41.43 10 11 41.58 (0.05) 10 11 41.43 10 11 41.74
Declination 28 45 47.66 (0.04) 28 45 55.94 28 45 55.94 28 45 48.02 (0.05) 28 45 48.02 (0.05) 28 45 05.01 28 45 57.60 28 45 47.66 28 45 59.07 (0.04) 28 45 48.02 28 46 34.68
Spectral type DQpecP DQ DQpecP DQpec DQPH DQpecP DQpec DQB DQpecP DQ_known wd1008+290 DQpec11.0 DQpecP DQ DQ pecDQ DQP11.0 hotDQ:
Effective temperature [K] 4595.0 (18) 4335.0 (165) 4335.0 (165) 2827.0 3221.0 4140.0 (40) 4562.0 (161) 4600.0 4020.0 (46) 4562.0 (161) 4562.0 (161) 5133.0 (8)
log(g) [cgs] 8.27 (0.01) 8.21 (0.09) 8.21 (0.09) 6.57 7.04 8.00 (0.04) 8.17 (0.01) 7.93 (0.01) 8.17 (0.01) 8.17 (0.01) 8.62 (0.004)
Mass [M] 0.74 (0.009) 0.703 (0.06) 0.703 (0.06) 0.074 0.167 0.57 (0.03) 0.68 (0.01) 0.52 (0.01) 0.68 (0.01) 0.977 (0.003)
log(Luminosity) [L] -4.38 (0.03) -4.40 -4.31
Cooling age [Gyr] 8.1200 7.8950 (0.3) 3.4000 7.2900 (0.2) 7.5800 7.5800
log(H/He)
log(C/He) -6.69 -6.8 (0.1) -6.8
log(Ca/He)
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He)
log(Al/He)
log(Si/He)
log(P/He)
log(S/He)
log(Cl/He)
log(Sc/He)
log(Ti/He)
log(V/He)
log(Cr/He)
log(Mn/He)
log(Fe/He)
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 67.88 (0.06) 67.88 (0.06) 67.79 (0.08) 67.79 (0.08) 67.79 (0.08) 67.79 (0.08) 67.79 (0.08) 67.54 (0.5) 67.40 (0.4) 67.47 (0.5) 67.88 67.88 (0.06) 67.79 (0.08)
Distance [pc] 14.73 (0.01) 14.73 (0.01) 14.75 (0.02) 14.75 (0.02) 14.75 (0.02) 14.75 (0.02) 14.75 (0.02) 14.81 (0.1) 14.82 (0.1) 14.80 (0.5) 14.80 (0.1) 14.73 14.73 (0.01) 14.75 (0.02)
Composition He He+CIA He He He He He He
Proper motion (right ascension) [mas/yr] -124.825324 (0.06) -124.7782253 (0.1) -124.825 (0.06) -124.778
Proper motion (declination) [mas/yr] -713.2437293 (0.04) -713.2822256 (0.1) -713.244 (0.04) -713.282
Variability
Magnetic yes yes yes yes
Bd [MG] 100 100
Infrared excess (disk)
Binarity
B magnitude 18.19 18.21 18.85
V magnitude 17.51 17.51 17.51
R magnitude 16.11 16.10
I magnitude 15.59 15.56
J magnitude 15.11 (0.01) 15.12 (0.05) 15.13 (0.05) 15.01 15.12 (0.05)
H magnitude 14.72 (0.06) 14.72 (0.06) 14.72 (0.06) 14.71 14.72 (0.06)
K magnitude 14.54 (0.08) 14.54 (0.08) 14.54 (0.08) 14.55 14.54 (0.08)
u magnitude 18.27 (0.02) 18.27 (0.02) 18.27 (0.03) 18.27 18.27 (0.02) 18.27 (0.02) 18.27 (0.02)
g magnitude 18.24 (0.007) 18.24 (0.007) 18.24 18.24 (0.01) 18.24 (0.007) 18.24 (0.007)
r magnitude 16.42 (0.004) 16.42 (0.004) 16.42 16.42 (0) 16.40 (0.001) 16.42 (0.004)
i magnitude 15.97 (0.004) 15.97 (0.004) 15.97 15.97 (0) 15.97 (0.003) 15.97 (0.004)
z magnitude 15.99 (0.007) 15.99 (0.007) 15.99 15.99 (0.01) 16.00 (0.002) 15.99 (0.007)
G magnitude 16.55 (0.006) 16.56 16.56 16.55 16.55 (0.004) 16.56
BP magnitude 17.35 (0.006) 17.32 17.32
RP magnitude 15.65 (0.004) 15.67 15.67
Pan g magnitude 18.26 (0.02) 18.26 (0.03) 18.26 18.26 (0.03)
Pan r magnitude 16.40 (0.001) 16.40 (0.001) 16.40 16.40 (0.001)
Pan i magnitude 15.97 (0.003) 15.97 (0.003) 15.97 15.97 (0.003)
Pan z magnitude 16.00 (0.002) 16.00 (0.002) 16.00 16.00 (0.002)
Pan y magnitude 16.01 (0.005) 16.01 (0.006) 16.01 16.01 (0.006)
E(B-V) 0.000

* Constant surface field

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The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.