Gaia DR2 78649033103100416

All names: Gaia EDR3 78649033103283584, J0202+1602, WDJ020210.6+160203.31, SDSS J020210.62+160203.0, Gaia DR2 78649033103100416, WDJ020210.60+160203.31, Gaia DR3 78649033103283584

Parameter Unit Gaia EDR3 Pan-STARRS DR1 O'Brien et al. 2024 Caron et al. 2023 McCleery et al. 2020 Tremblay et al. 2020 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 02 02 10.64 (0.1) 02 02 10.64 (0.1) 02 02 10.64 02 02 10.64 02 02 10.60 (0.1) 02 02 10.64
Declination 16 02 03.09 (0.09) 16 02 03.10 (0.1) 16 02 03.10 16 02 03.09 16 02 03.32 (0.09) 16 02 03.10
Spectral type DZ DZ DZ DZ DZ DZ
Effective temperature [K] 4883.0 (82) 4392.0 (9) 4763.6 (67) 4760.0 (70) 4906.0 4598.0 4728.0 (30)
log(g) [cgs] 8.20 (0.06) 7.86 (0.008) 8.13 (0.05) 8.13 (0.05) 8.22 8.02 8.17 (0.02)
Mass [M] 0.708 (0.04) 0.488 (0.006) 0.72 0.58 0.677 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 6.0500 8.0620 6.5810
log(H/He) -4.0
log(C/He)
log(Ca/He) -10.15
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He)
log(Al/He)
log(Si/He)
log(P/He)
log(S/He)
log(Cl/He)
log(Sc/He)
log(Ti/He)
log(V/He)
log(Cr/He)
log(Mn/He)
log(Fe/He)
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 30.99 (0.1) 30.99 (0.1) 31.04 (0.1) 31.04 (0.1) 31.04 (0.1) 30.99 30.99 (0.1) 31.04 (0.1)
Distance [pc] 32.27 (0.1) 32.27 (0.1) 32.22 (0.1) 32.21 (0.1) 32.21 (0.1) 32.27 32.27 (0.1) 32.21 (0.1)
Composition He He
Proper motion (right ascension) [mas/yr] 39.99835806 (0.1) 40.36005801 (0.3) 39.998 (0.1) 40.36005801
Proper motion (declination) [mas/yr] -14.23039364 (0.1) -14.04703367 (0.3) -14.23 (0.1) -14.04703367
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 16.54 (0.01)
H magnitude 16.35 (0.02)
K magnitude 16.21 (0.03)
u magnitude 21.16 (0.1) 21.23 (0.1) 21.23 (0.1)
g magnitude 18.54 (0.008) 18.54 (0.008)
r magnitude 17.73 (0.006) 17.73 (0.006)
i magnitude 17.48 (0.007) 17.48 (0.007)
z magnitude 17.33 (0.01) 17.33 (0.01)
G magnitude 17.80 (0.02) 17.82 17.82 17.80 17.80 (0.003) 17.82
BP magnitude 18.34 (0.02) 18.37 18.37
RP magnitude 17.16 (0.01) 17.16 17.16
Pan g magnitude 18.42 (0.005) 18.42 (0.005)
Pan r magnitude 17.75 (0.005) 17.75 (0.005)
Pan i magnitude 17.50 (0.004) 17.50 (0.004)
Pan z magnitude 17.41 (0.003) 17.41 (0.002)
Pan y magnitude 17.36 (0.007) 17.36 (0.009)
E(B-V) 0.000

* 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.