WD 1539+035

All names: SDSS J154219.44+032310.9, Gaia DR2 4424531104813732736, Gaia DR3 4424531104813732736, WD 1539+035, WD 1538+035.1, 2MASS J15421943+0323105, TIC 459419658, WIRED J154219.44+032310.9, SDSS J154219.45+032311.0, [HHD2009] SDSS J1542+0323, LAMOST J154130.76+032312.9, SDSS J154219.44+032311.0, WISEA J154219.42+032310.7, [SGR2010] J1542+0323, WISE J154219.43+032310.8, SDSS J154130.76+032312.9, Gaia EDR3 4424531104813732736

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism sdss-wdms.org (29/04/2016) Guo et al. 2015 Tremblay et al. 2011 Vincent et al. 2024 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Kleinman et al. 2004 Vincent et al. 2023
Right ascension 15 41 30.72 (0.08) 15 42 19.45 15 41 30.72 (0.1) 15 42 19.44 15 41 30.72 15 42 19.45 15 41 30.76 15 41 29.45 15 42 19.45 15 41 30.76
Declination 03 23 12.83 (0.07) 03 23 11.01 03 23 12.84 (0.08) 03 23 10.90 03 23 12.83 03 23 11.01 03 23 12.99 03 23 08.16 03 23 10.99 03 23 12.95
Spectral type DA DA+M DA DA DA DA+dM DA DA3.1 DA+M DA
Effective temperature [K] 12612.0 10550.0 (472) 16270.0 (458) 16770.0 (110) 16093.0 (355) 16138.0 (78) 6300.0 (1) 16195.0 (78)
log(g) [cgs] 7.09 8.27 (0.4) 8.31 (0.09) 7.96 (0.02) 7.44 (0.03) 7.92 (0.02) 5.97 (0.2) 7.94 (0.02)
Mass [M] 0.25 0.775 (0.3) 0.81 (0.06) 0.59 (0.01) 0.36 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 0.1272 0.1288
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] 5.29 (0.09) 5.00 (0.1) 5.29
Distance [pc] 188.99 (3) 199.95 (5) 464.00 (145) 188.99
Composition H H
Proper motion (right ascension) [mas/yr] -34.84910776 (0.1) -34.77004186 (0.2) -2.0 (5) -28.6 -31.0
Proper motion (declination) [mas/yr] -13.59167731 (0.09) -13.46882229 (0.2) -1.0 (5) -12.1 -18.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS WDMS
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 16.21 (0.08)
H magnitude 15.78 (0.1)
K magnitude 15.36 (0.1)
u magnitude 19.72 (0.04) 19.74 19.72 (0.04) 17.02 (0.03) 17.02 19.76 (0.04) 17.02 (0.02)
g magnitude 19.31 (0.01) 19.47 19.31 (0.01) 16.70 (0.01) 16.70 19.47 (0.02) 16.70 (0.02)
r magnitude 18.93 (0.01) 19.12 18.93 (0.01) 16.98 (0.01) 16.98 19.12 (0.02) 16.98 (0.01)
i magnitude 18.03 (0.009) 18.15 18.03 (0.009) 17.17 (0.01) 17.17 18.16 (0.02) 17.17 (0.01)
z magnitude 17.44 (0.02) 17.54 17.44 (0.02) 17.45 (0.02) 17.46 17.56 (0.03) 17.46 (0.02)
G magnitude 16.86 (0.004) 16.86 16.86
BP magnitude 16.80 (0.004) 16.80
RP magnitude 16.92 (0.007) 16.92
Pan g magnitude 16.72 (0.005)
Pan r magnitude 16.96 (0.002)
Pan i magnitude 17.23 (0.003)
Pan z magnitude 17.45 (0.006)
Pan y magnitude 17.58 (0.01)
E(B-V) 0.034

* 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.