LHS 2478

All names: 2MASS J11561245+1315553, NLTT 29016, WD 1153+135, LSPM J1156+1315, LP 493-78, Gaia DR3 3920187251456610816, LHS 2478, Gaia EDR3 3920187251456610816, 1153+135, WDJ115612.37+131555.45, TIC 14780464, 11562+1315, USNO-B1.0 1032-00219425, Gaia DR2 3920187251456355072, PM J11562+1315

Parameter Unit Gaia EDR3 Pan-STARRS DR1 O'Brien et al. 2024 Leggett et al. 2018 Stilism Limoges et al. 2015 Bergeron et al. 1997 Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999)
Right ascension 11 56 11.67 (0.08) 11 56 11.67 11 56 12.37 (0.08) 11 56 15.10
Declination 13 15 56.89 (0.06) 13 15 56.89 13 15 55.45 (0.06) 13 15 48.24
Spectral type DC DC10.3 DC DA: DC9 DC9
Effective temperature [K] 4769.0 (49) 4889.0 (69) 4730.0 (115) 4910.0 (130) 4885.0 (41)
log(g) [cgs] 7.67 (0.04) 7.77 (0.04) 8.00 (0) 8.00 (0) 7.73 (0.02)
Mass [M] 0.416 (0.02) 0.447 (0.03) 0.58 (0.1) 0.58 0.428 (0.01)
log(Luminosity) [L] -4.15 -4.08
Cooling age [Gyr] 3.7000 (0.4) 5.7300
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] 28.12 (0.09) 28.12 (0.09) 28.29 (0.7) 28.12 28.12 (0.09)
Distance [pc] 35.57 (0.1) 35.56 (0.1) 35.35 (0.8) 28.00 (5) 35.57 35.57 (0.1)
Composition H H
Proper motion (right ascension) [mas/yr] -638.864 (0.1) -638.864 (0.1)
Proper motion (declination) [mas/yr] 89.947 (0.06) 89.947 (0.06)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 18.73 18.80
V magnitude 17.73
R magnitude 17.19 17.20
I magnitude 16.68
J magnitude 16.10 15.89 (0.06)
H magnitude 15.83 15.50 (0.1)
K magnitude 15.74 15.57 (0.1)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 17.40 (0.003) 17.40 17.40 (0.003)
BP magnitude 17.91 (0.01)
RP magnitude 16.72 (0.008)
Pan g magnitude 18.06 (0.01)
Pan r magnitude 17.35 (0.007)
Pan i magnitude 17.09 (0.006)
Pan z magnitude 16.99 (0.01)
Pan y magnitude 16.91 (0.02)
E(B-V) 0.001

* 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.