2MASS J10395262+2854220

All names: WD 1037+291, LAMOST J103952.62+285421.9, Gaia DR2 734438067586814848, Gaia EDR3 734438067586814848, TIC 82262078, SDSS J103952.62+285421.9, [SGR2010] J1039+2854, 2MASS J10395262+2854220, Gaia DR3 734438067586814848, GALEX J103952.6+285422

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Gaia DR2 Stilism sdss-wdms.org (29/04/2016) Simbad White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013
Right ascension 10 39 52.61 (0.2) 10 39 52.62 10 39 52.61 (0.2) 10 39 52.62 10 39 52.63 (0.2) 10 39 52.66 10 39 52.62
Declination 28 54 21.94 (0.2) 28 54 21.88 28 54 21.94 (0.2) 28 54 21.89 28 54 21.95 (0.2) 28 54 14.76 28 54 21.93
Spectral type DA+M DA+M DA2.2 M DA+M
Effective temperature [K] 23089.0 (1880) 6300.0 (3)
log(g) [cgs] 7.68 (0.3) 5.01 (0.01)
Mass [M] 0.49 (0.1)
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 1.44 (0.2) 1.41 (0.3) 1.44 (0.2)
Distance [pc] 695.42 (103) 709.93 (136) 428.00 (24) 695.41 (103)
Composition
Proper motion (right ascension) [mas/yr] -15.72419216 (0.2) -15.59338402 (0.4) -15.724 (0.2)
Proper motion (declination) [mas/yr] -0.563458138 (0.2) 0.045210165 (0.5) -0.563 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS WDMS
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 15.39 (0.06)
H magnitude 14.69 (0.07)
K magnitude 14.47 (0.08)
u magnitude 19.51 (0.03) 19.46 19.43 (0.03) 19.46 19.43 (0.03)
g magnitude 18.55 (0.008) 18.64 18.58 (0.008) 18.63 18.62 (0.02)
r magnitude 17.53 (0.005) 17.64 17.57 (0.006) 17.64 17.64 (0.02)
i magnitude 16.87 (0.005) 16.86 16.88 (0.005) 16.86 16.85 (0.02)
z magnitude 16.52 (0.009) 16.52 16.48 (0.009) 16.52 16.52 (0.02)
G magnitude 17.55 (0.02) 17.52 17.55 (0.004)
BP magnitude 18.21 (0.02) 18.23
RP magnitude 16.51 (0.005) 16.53
Pan g magnitude 18.47 (0.01)
Pan r magnitude 17.57 (0.004)
Pan i magnitude 16.89 (0.004)
Pan z magnitude 16.58 (0.002)
Pan y magnitude 16.41 (0.006)
E(B-V) 0.021

* 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.