LSPM J2059+5517

All names: Gaia EDR3 2188860027203347968, WD 2058+550, PSO J314.9386+55.2930, CNS5 5186, USNO-B1.0 1452-00334959, WDJ205944.90+551730.02, J2059+5517, 20597+5517, 2MASS J20594493+5517302, LSR J2059+5517, LSPM J2059+5517, TIC 421493606, Gaia DR3 2188860027203347968, PM J20597+5517, Gaia DR2 2188860027203347968

Parameter Unit Gaia EDR3 Pan-STARRS DR1 O'Brien et al. 2024 Caron et al. 2023 McCleery et al. 2020 Blouin et al. 2019 MWDD H MWDD HE Gaia DR2 Stilism Limoges et al. 2015 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 20 59 45.41 (0.05) 20 59 45.39 (0.07) 20 59 45.39 (0.07) 20 59 45.41 20 59 44.90 (0.05) 20 59 45.39
Declination 55 17 36.71 (0.05) 55 17 36.50 (0.06) 55 17 36.50 (0.06) 55 17 36.71 55 17 30.02 (0.05) 55 17 36.50
Spectral type DC DC DC DC DC DC DC DC: DC11
Effective temperature [K] 4519.0 (39) 4533.0 (14) 4442.1 (25) 4415.0 (35) 4490.0 4193.0 4530.0 (59) 4592.0 (22)
log(g) [cgs] 7.94 (0.03) 7.98 (0.007) 7.90 (0.02) 7.93 (0.02) 7.95 7.70 8.00 (0) 8.00 (0.01)
Mass [M] 0.539 (0.02) 0.566 (0.006) 0.534 (0.01) 0.544 0.402 0.58 (0.1) 0.576 (0.01)
log(Luminosity) [L] -4.22
Cooling age [Gyr] 7.6500 7.1490 (0.2) 7.0770 5.0140
log(H/He) 0.6
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] 43.96 (0.05) 43.96 (0.05) 44.07 (0.07) 44.07 (0.07) 44.07 (0.07) 44.07 (0.07) 43.96 43.96 (0.05) 44.07 (0.07)
Distance [pc] 22.75 (0.03) 22.75 (0.03) 22.69 (0.04) 22.69 (0.04) 22.69 (0.04) 22.69 (0.04) 22.60 (2) 22.75 22.75 (0.03) 22.69 (0.04)
Composition H H H
Proper motion (right ascension) [mas/yr] 271.6482781 (0.07) 271.6827701 (0.2) 271.648 (0.07) 271.6827701
Proper motion (declination) [mas/yr] 418.047807 (0.06) 418.1078482 (0.1) 418.048 (0.06) 418.1078482
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 18.70
V magnitude
R magnitude 17.00
I magnitude
J magnitude 15.62 (0.01) 15.66 (0.06) 15.66 15.66 (0.06)
H magnitude 15.45 (0.1) 15.45 (0.1) 15.45 15.45 (0.1)
K magnitude 15.49 (0.2) 15.49 (0.2) 15.49 15.49 (0.2)
u magnitude 19.97 (0.03) 19.97
g magnitude 17.97 17.85 (0.005)
r magnitude 17.02 17.04 (0.002)
i magnitude 16.67 16.69 (0.004)
z magnitude 16.49 16.57 (0.009)
G magnitude 17.06 (0.008) 17.08 17.08 17.06 17.06 (0.003) 17.08
BP magnitude 17.65 (0.008) 17.67 17.67
RP magnitude 16.34 (0.003) 16.34 16.34
Pan g magnitude 17.85 (0.004) 17.85 (0.005) 17.86 (0.005)
Pan r magnitude 17.04 (0.002) 17.04 (0.002) 17.04 (0.002)
Pan i magnitude 16.69 (0.003) 16.69 (0.004) 16.69 (0.004)
Pan z magnitude 16.57 (0.008) 16.57 (0.009) 16.57 (0.009)
Pan y magnitude 16.52 (0.009) 16.52 (0.007) 16.52 (0.007)
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.