WD 1859+429

All names: Gaia DR2 2105737051219960960, NLTT 47329, TIC 164888049, LP 230-21, Gaia DR3 2105737051219960960, Gaia EDR3 2105737051219960960, 2MASS J19010311+4300332, WD 1859+429, WISEA J190103.00+430030.1, LSPM J1901+4300E, USNO-B1.0 1330-00383162

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Gaia DR2 Stilism Simbad White Dwarf Catalog (McCook & Sion 1999)
Right ascension 19 01 02.96 (0.2) 19 01 02.97 (0.1) 19 01 03.10 (0.2) 19 01 03.70
Declination 43 00 28.69 (0.2) 43 00 28.82 (0.2) 43 00 32.60 (0.2) 43 00 20.52
Spectral type DC DC
Effective temperature [K]
log(g) [cgs]
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 22.25 (0.2) 22.82 (0.2) 22.25 (0.2)
Distance [pc] 44.94 (0.4) 43.82 (0.3) 44.94 (0.4)
Composition
Proper motion (right ascension) [mas/yr] -92.7711403 (0.2) -85.106 (0.3) -92.771 (0.2)
Proper motion (declination) [mas/yr] -244.2263235 (0.2) -243.302 (0.3) -244.226 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity yes
B magnitude 19.90
V magnitude
R magnitude 17.10
I magnitude
J magnitude 12.49 (0.02)
H magnitude 11.94 (0.02)
K magnitude 11.62 (0.02)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 16.02 (0.01) 16.04 16.02 (0.003)
BP magnitude 18.30 (0.01) 18.30
RP magnitude 14.64 (0.001) 14.63
Pan g magnitude 18.59 (0.009)
Pan r magnitude 17.34 (0.002)
Pan i magnitude 15.31 (0.003)
Pan z magnitude 14.38 (0.001)
Pan y magnitude 13.88 (0.002)
E(B-V) 0.005

* 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.