2MASS J11535608+4001375

All names: SDSS J115356.15+400137.5, TIC 365966493, WD 1151+403, SDSS J115356.16+400137.6, Gaia DR3 4034659155074865408, [HHD2009] SDSS J1153+4001, WDJ115356.16+400137.61, SDSS J115356.12+400137.3, WIRED J115356.15+400137.5, Gaia DR2 4034659155074865408, SDSS J115356.14+400137.5, 2MASS J11535608+4001375, Gaia EDR3 4034659155074865408, CBS 448, SDSS J115356.16+400137.5, GALEX J115356.1+400138

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Kilic et al. 2026a MWDD H Gaia DR2 Stilism sdss-wdms.org (29/04/2016) Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 11 53 56.10 (0.05) 11 53 56.15 11 53 56.10 (0.08) 11 53 56.15 11 53 56.10 11 53 56.16 (0.05) 11 53 55.56 11 53 56.16
Declination 40 01 37.29 (0.07) 40 01 37.54 40 01 37.30 (0.09) 40 01 37.49 40 01 37.29 40 01 37.61 (0.07) 40 01 30.36 40 01 37.54
Spectral type DA DA+M DA+M DA DA+M DA : DA+M DA+MS
Effective temperature [K] 17045.0 (340) 11897.0 18756.0 (337) 16412.0 (495) 18414.0 (175)
log(g) [cgs] 7.42 (0.03) 6.83 7.57 (0.07) 7.25 (0.04) 7.46 (0.04)
Mass [M] 0.4 (0.01) 0.201 0.41 (0.03) 0.306 (0.01)
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(Li/H)
log(Be/H)
log(B/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(Cl/H)
log(K/H)
log(Sc/H)
log(Ti/H)
log(V/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Co/H)
log(Ni/H)
log(Cu/H)
log(Sr/H)
Parallax [mas] 3.20 (0.1) 2.97 (0.2) 3.20 3.20 (0.1)
Distance [pc] 312.75 (1e+01) 336.37 (17) 112.00 (4) 312.75 312.75 (1e+01)
Composition H H
Proper motion (right ascension) [mas/yr] -46.43835545 (0.08) -46.63726134 (0.1) -46.438 (0.08)
Proper motion (declination) [mas/yr] -20.3889241 (0.09) -20.37767312 (0.2) -20.389 (0.09)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS WDMS WDMS
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 16.73 (0.2)
H magnitude 15.98 (0.04)
K magnitude 15.82 (0.06)
u magnitude 17.66 (0.01) 17.67 17.66 (0.01) 17.67 17.66 (0.01)
g magnitude 17.48 (0.005) 17.49 17.48 (0.005) 17.48 17.47 (0.02)
r magnitude 17.86 (0.006) 17.87 17.86 (0.006) 17.86 17.86 (0.01)
i magnitude 18.00 (0.008) 18.00 18.00 (0.008) 17.99 17.99 (0.02)
z magnitude 17.87 (0.02) 17.90 17.87 (0.02) 17.89 17.87 (0.03)
G magnitude 17.63 (0.008) 17.65 17.63 17.63 (0.003)
BP magnitude 17.61 (0.008) 17.58
RP magnitude 17.62 (0.01) 17.59
Pan g magnitude 17.54 (0.005)
Pan r magnitude 17.83 (0.005)
Pan i magnitude 18.00 (0.004)
Pan z magnitude 17.95 (0.008)
Pan y magnitude 17.81 (0.007)
E(B-V) 0.018

* 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.