HG 7-85

All names: LAMOST J040342.19+145928.4, 2MASS J04034206+1459287, HG 7-85, TIC 243016691, WDJ040342.09+145928.77, USNO-B1.0 1049-00039980, 04037+1459, HS 0400+1451, PM J04037+1459, Gaia EDR3 39305036729495936, GALEX J040342.1+145928, SDSS J040342.15+145928.5, WD 0400+148, Gaia DR3 39305036729495936, Gaia DR2 39305036729495936

Parameter Unit Gaia EDR3 Pan-STARRS DR1 MWDD H Gaia DR2 Stilism Guo et al. 2015 Limoges et al. 2015 Koester et al. 2009 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 04 03 42.25 (0.03) 04 03 42.24 (0.05) 04 03 42.25 04 03 42.09 (0.03) 04 03 42.24 04 03 42.24
Declination 14 59 28.39 (0.02) 14 59 28.40 (0.04) 14 59 28.39 14 59 28.77 (0.02) 14 59 28.40 14 59 24.36
Spectral type DA DA DA DA DA DA
Effective temperature [K] 14321.0 15131.0 (209) 14710.0 (344) 14623.0 (61) 14990.0 (118)
log(g) [cgs] 8.35 8.48 (0.02) 8.41 (0.05) 8.25 (0.005) 8.39 (0.006)
Mass [M] 0.827 0.91 (0.01) 0.87 (0.03) 0.856 (0.005)
log(Luminosity) [L] -2.41
Cooling age [Gyr] 0.3908
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] 24.10 (0.03) 24.05 (0.05) 24.10 24.10 (0.03) 24.05 (0.05)
Distance [pc] 41.50 (0.05) 41.58 (0.09) 40.70 (1) 41.50 41.50 (0.05) 41.58 (0.09)
Composition H H
Proper motion (right ascension) [mas/yr] 141.3491853 (0.04) 141.1899591 (0.1) 139.0 141.349 (0.04) 141.1899591
Proper motion (declination) [mas/yr] -23.97284945 (0.02) -24.06982303 (0.08) -15.0 -23.973 (0.02) -24.06982303
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.10 14.34 (0.1)
V magnitude 14.95
R magnitude 15.08 (0.2)
I magnitude
J magnitude 15.42 15.42 (0.05)
H magnitude 15.70 15.70 (0.1)
K magnitude 15.33 15.33 (0.2)
u magnitude 15.18 15.19 (0.005) 15.18 (0.004)
g magnitude 14.88 14.89 (0.004) 14.88 (0.003)
r magnitude 15.14 15.14 (0.004) 15.15 (0.004)
i magnitude 15.39 15.38 (0.004) 15.39 (0.004)
z magnitude 15.65 15.67 (0.006) 15.66 (0.006)
G magnitude 15.02 (0.001) 15.04 15.02 15.02 (0.003) 15.04
BP magnitude 14.99 (0.001) 14.98 14.98
RP magnitude 15.11 (0.001) 15.11 15.11
Pan g magnitude 14.92 (0.004)
Pan r magnitude 15.15 (0.001)
Pan i magnitude 15.41 (0.003)
Pan z magnitude 15.65 (0.002)
Pan y magnitude 15.81 (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.