WD 0145+234

All names: Gaia DR2 291057843317534464, TIC 456933060, UCAC4 569-003819, CHSS 3403, WD 0145+23, GALEX J014754.8+233942, 2MASS J01475481+2339437, WD 0145+234, WDJ014754.82+233943.60, Mrk 362, Gaia DR3 291057843317534464, 1SWASP J014754.80+233943.8, Gaia EDR3 291057843317534464

Parameter Unit Gaia EDR3 Pan-STARRS DR1 O'Brien et al. 2024 McCleery et al. 2020 Gaia DR2 Stilism Limoges et al. 2015 Gianninas et al. 2011 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 01 47 54.81 (0.02) 01 47 54.81 (0.06) 01 47 54.81 (0.06) 01 47 54.81 01 47 54.82 (0.02) 01 47 54.81 01 47 52.80
Declination 23 39 42.04 (0.02) 23 39 42.09 (0.04) 23 39 42.09 (0.04) 23 39 42.04 23 39 43.60 (0.02) 23 39 42.09 23 38 56.04
Spectral type DAZ DA DA DA DA DA3.9 DA
Effective temperature [K] 12990.0 (191) 13023.0 (120) 12910.0 (219) 13060.0 (217) 13049.0 (93)
log(g) [cgs] 8.08 (0.01) 8.09 (0.01) 8.11 (0.05) 8.13 (0.05) 8.09 (0.005)
Mass [M] 0.657 (0.009) 0.67 (0.03) 0.69 (0.03) 0.66 (0.004)
log(Luminosity) [L] -2.45
Cooling age [Gyr]
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] 33.98 (0.02) 33.98 (0.02) 33.95 (0.05) 33.95 (0.05) 33.98 33.98 (0.02) 33.95 (0.05)
Distance [pc] 29.43 (0.02) 29.43 (0.02) 29.46 (0.04) 29.46 (0.04) 34.30 (2) 36.00 29.43 29.43 (0.02) 29.46 (0.04)
Composition H H H
Proper motion (right ascension) [mas/yr] -5.404344483 (0.03) -5.209478316 (0.1) -5.404 (0.03) -5.209478316
Proper motion (declination) [mas/yr] -97.45500037 (0.02) -97.58865179 (0.08) -97.455 (0.02) -97.58865179
Variability NOV
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 14.13 (0.01)
V magnitude 14.01 (0.05)
R magnitude 14.13 (0.1)
I magnitude
J magnitude 14.21 (0.03)
H magnitude 14.24 (0.05)
K magnitude 14.23 (0.06)
u magnitude 14.38 (0.004)
g magnitude 13.97 (0.01) 14.12 (0.006)
r magnitude 14.15 (0.05) 14.28 (0.008)
i magnitude 14.44 (0.01) 14.56 (0.009)
z magnitude 14.64 (0.005)
G magnitude 14.03 (0.001) 14.05 14.05 14.03 14.03 (0.003) 14.05
BP magnitude 14.02 (0.001) 14.02 14.02
RP magnitude 14.08 (0.001) 14.09 14.09
Pan g magnitude 13.97 (0.006)
Pan r magnitude 14.15 (0.002)
Pan i magnitude 14.39 (0.002)
Pan z magnitude 14.61 (0.003)
Pan y magnitude 14.75 (0.002)
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.