WD 0042+140

All names: LP 466-033, SDSS J004525.80+142129.2, SDSS J004521.89+142045.3, WDS J00454+1422B, USNO-B1.0 1043-00007345, LSPM J0045+1420, WD 0042+140, SDSS J004521.88+142045.3, BD+13 99B, NLTT 2486, SDSS J004521.87+142045.3, WD 0042+140A, IDS 00402+1349 B, LP 466-33, CCDM J00453+1421B, PSO J004522.134+142044.669, Gaia DR2 2776467555366477824, WDJ004521.88+142045.36, ** LDS 1079B

Parameter Unit MWDD H Pan-STARRS DR1 Gaia DR2 Tremblay et al. 2017 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 00 45 22.16 (0.2) 00 45 21.90 00 45 22.16 00 45 25.01
Declination 14 20 44.53 (0.1) 14 20 45.31 14 20 44.53 14 21 23.76
Spectral type DZA DZA DZA DC:
Effective temperature [K] 5002.0 5070.0 (90)
log(g) [cgs] 7.88
Mass [M] 0.511
log(Luminosity) [L]
Cooling age [Gyr] 4.2670
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 17.36 (0.3) 17.41 (0.4) 15.90 17.36 (0.3)
Distance [pc] 57.60 (0.9) 57.44 (1) 62.89 57.60 (0.9)
Composition HE
Proper motion (right ascension) [mas/yr] 265.578402 (0.5) 273.0 265.578402
Proper motion (declination) [mas/yr] -53.74333612 (0.2) -64.0 -53.74333612
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity yes
B magnitude 20.20
V magnitude 18.79 (0.05) 18.90
R magnitude 18.50
I magnitude 17.90
J magnitude 17.24
H magnitude 16.99
K magnitude 16.89
u magnitude 20.70 20.77 (0.08)
g magnitude 19.19 19.17 (0.01)
r magnitude 18.50 18.47 (0.009)
i magnitude 18.21 18.25 (0.01)
z magnitude 18.08 18.08 (0.03)
G magnitude 18.54 18.41 (0.005) 18.54
BP magnitude 18.99 18.99
RP magnitude 17.88 17.88
Pan g magnitude 19.10 (0.009)
Pan r magnitude 18.46 (0.02)
Pan i magnitude 18.23 (0.009)
Pan z magnitude 18.14 (0.002)
Pan y magnitude 18.14 (0.07)

* Constant surface field

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The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour at Université de Montréal. Please send database updates, corrections, suggestions or bug reports to dufourpa@astro.umontreal.ca.