USNO-B1.0 1600-00136382

All names: Gaia EDR3 2250575271265017088, PM J20235+7001, Gaia DR3 2250575271265017088, 20235+7001, Gaia DR2 2250575271265017088, LSPM J2023+7001, USNO-B1.0 1600-00136382

Parameter Unit Gaia EDR3 Pan-STARRS DR1 MWDD H Gaia DR2 Stilism Limoges et al. 2015 Vincent et al. 2024 Simbad
Right ascension 20 23 29.11 (0.1) 20 23 29.14 (0.1) 20 23 29.11 20 23 29.97 (0.1)
Declination 70 01 51.11 (0.1) 70 01 51.20 (0.2) 70 01 51.11 70 01 54.12 (0.1)
Spectral type DA DA DA DA
Effective temperature [K] 7115.0 7250.0 (134) 7361.0 (198)
log(g) [cgs] 7.88 8.15 (0.2) 7.98 (0.05)
Mass [M] 0.521 0.69 (0.1) 0.581 (0.04)
log(Luminosity) [L] -3.48
Cooling age [Gyr] 1.2220
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] 8.54 (0.1) 8.57 (0.2) 8.54 8.54 (0.1)
Distance [pc] 117.08 (2) 116.63 (2) 100.40 (6) 117.08 117.08 (2)
Composition H H
Proper motion (right ascension) [mas/yr] -273.9741583 (0.1) -274.0353775 (0.3) -273.974 (0.1)
Proper motion (declination) [mas/yr] -187.8569586 (0.2) -187.8144112 (0.5) -187.857 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 19.10
V magnitude
R magnitude 17.90
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 18.54 (0.02) 18.56 18.54 18.54 (0.003)
BP magnitude 18.76 (0.02) 18.68
RP magnitude 18.30 (0.03) 18.19
Pan g magnitude 18.72 (0.008)
Pan r magnitude 18.56 (0.02)
Pan i magnitude 18.51 (0.02)
Pan z magnitude 18.58 (0.02)
Pan y magnitude 18.67 (0.03)
E(B-V) 0.009

* 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.