GD 64

All names: Gaia DR2 201881364339401728, GD 64, LP 202-4, WDJ045722.54+415556.48, WD 0453+418, UCAC2 46253351, TIC 65828507, Gaia EDR3 201881364339401728, 04573+4155, 1SWASP J045722.55+415556.6, LSPM J0457+4155, PM J04573+4155, WD 0453+41, UCAC4 660-028908, EGGR 209, USNO 501, GCRV 21688, NLTT 14208, Gaia DR3 201881364339401728, uvby98 610060064, PLX 1099.02, GEN# +6.10060064, USNO-B1.0 1319-00119098, 2MASS J04572254+4155567

Parameter Unit Gaia EDR3 Pan-STARRS DR1 O'Brien et al. 2024 McCleery et al. 2020 MWDD H Gaia DR2 Bedard et al. 2017 Stilism Limoges et al. 2015 Gianninas et al. 2011 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 04 57 22.57 (0.02) 04 57 22.57 (0.05) 04 57 22.57 (0.05) 04 57 22.57 04 57 22.54 (0.02) 04 57 22.57 04 57 21.34
Declination 41 55 53.06 (0.02) 41 55 53.17 (0.04) 41 55 53.17 (0.04) 41 55 53.06 41 55 56.48 (0.02) 41 55 53.17 41 56 07.80
Spectral type DA DA DA DA DA DA DA DA3.5 DA3.5
Effective temperature [K] 14268.0 (212) 14150.3 (106) 13837.0 14523.0 (248) 14290.0 (255) 14320.0 (256) 14836.0 (87)
log(g) [cgs] 7.79 (0.02) 7.79 (0.01) 7.77 7.85 (0.05) 7.82 (0.05) 7.81 (0.05) 7.84 (0.006)
Mass [M] 0.496 (0.01) 0.487 0.51 (0.03) 0.51 (0.03) 0.527 (0.004)
log(Luminosity) [L] -2.10
Cooling age [Gyr] 0.1798
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] 26.24 (0.03) 26.24 (0.03) 26.20 (0.07) 26.20 (0.07) 23.00 (3) 26.24 26.24 (0.03) 26.20 (0.07) 22.80 (26)
Distance [pc] 38.11 (0.04) 38.11 (0.04) 38.16 (0.1) 38.16 (0.1) 43.90 (5) 43.50 (5) 38.00 38.11 38.11 (0.04) 38.16 (0.1) 43.86 (50)
Composition H H H H
Proper motion (right ascension) [mas/yr] 18.14442549 (0.03) 18.29337454 (0.08) 18.144 (0.03) 18.29337454
Proper motion (declination) [mas/yr] -213.4432463 (0.03) -213.2599978 (0.08) -213.443 (0.03) -213.2599978
Variability NOV
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 14.04 (0.008)
V magnitude 13.98 (0.002)
R magnitude 14.05 (0.005)
I magnitude 14.12 (0.005)
J magnitude 14.40 (0.04)
H magnitude 14.36 (0.06)
K magnitude 14.55 (0.1)
u magnitude
g magnitude 13.91 (0.04)
r magnitude 14.14 (0.05)
i magnitude 14.39 (0.08)
z magnitude
G magnitude 14.02 (0.001) 14.04 14.04 14.02 14.02 (0.003) 14.04
BP magnitude 13.99 (0.001) 13.99 13.99
RP magnitude 14.11 (0.0009) 14.12 14.12
Pan g magnitude 13.92 (0.003)
Pan r magnitude 14.19 (0.002)
Pan i magnitude 14.44 (3e-05)
Pan z magnitude 14.67 (0.002)
Pan y magnitude 14.83 (0.002)
E(B-V) 0.001

* 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.