2MASS J10201454+3553213

All names: LAMOST J102014.53+355320.7, Gaia DR2 753045996216634880, WD 1017+361, [HHD2009] SDSS J1020+3553, SDSS J102014.53+355320.8, Gaia EDR3 753045996216634880, WIRED J102014.53+355320.7, SDSS J102014.53+355320.7, TIC 8151617, 2MASS J10201454+3553213, GALEX J102014.5+355320, Gaia DR3 753045996216634880

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 20 14.51 (0.2) 10 20 14.53 10 20 14.51 (0.3) 10 20 14.53 10 20 14.54 (0.2) 10 20 14.50 10 20 14.53
Declination 35 53 20.33 (0.2) 35 53 20.78 35 53 20.35 (0.2) 35 53 20.69 35 53 20.83 (0.2) 35 53 12.12 35 53 20.77
Spectral type DA+M DA+M DA d DA+M
Effective temperature [K] 9456.0 (168) 6311.0 (19)
log(g) [cgs] 7.67 (0.3) 5.62 (0.6)
Mass [M] 0.435 (0.2)
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 2.66 (0.2) 3.02 (0.3) 2.66 (0.2)
Distance [pc] 375.90 (34) 330.70 (37) 191.00 (22) 375.90 (34)
Composition
Proper motion (right ascension) [mas/yr] -21.89856689 (0.2) -21.15423059 (0.5) -21.899 (0.2)
Proper motion (declination) [mas/yr] -31.26802439 (0.2) -31.21960172 (0.5) -31.268 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS WDMS
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 16.63 (0.1)
H magnitude 16.40 (0.2)
K magnitude 16.03 (0.2)
u magnitude 20.03 (0.04) 20.05 20.03 (0.04) 20.05 20.05 (0.04)
g magnitude 19.49 (0.01) 19.48 19.47 (0.01) 19.47 19.49 (0.03)
r magnitude 19.36 (0.01) 19.34 19.35 (0.01) 19.33 19.35 (0.03)
i magnitude 18.75 (0.01) 18.74 18.75 (0.01) 18.72 18.75 (0.02)
z magnitude 18.17 (0.02) 18.15 18.16 (0.02) 18.14 18.16 (0.03)
G magnitude 19.06 (0.03) 19.07 19.06 (0.003)
BP magnitude 19.51 (0.03) 19.54
RP magnitude 18.34 (0.02) 18.33
Pan g magnitude 19.53 (0.01)
Pan r magnitude 19.38 (0.01)
Pan i magnitude 18.76 (0.006)
Pan z magnitude 18.26 (0.01)
Pan y magnitude 17.96 (0.02)
E(B-V) 0.019

* 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.