Gaia DR2 6788656957673130112

All names: 2MASS J21124063-2922177, EC 21096-2934, WDJ211240.64-292217.96, Gaia DR2 6788656957673130112, WD 2109-295, 211240.64-292217.96, UCAC4 304-267983, Gaia EDR3 6788656957673130112, J2112-2922, Gaia DR3 6788656957673130112, TIC 289934729, MCT 2109-2934

Parameter Unit Gaia EDR3 Pan-STARRS DR1 O'Brien et al. 2024 Caron et al. 2023 O'Brien et al. 2022 Bergeron et al. 2021 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 21 12 40.73 (0.03) 21 12 40.73 21 12 40.73 21 12 40.64 (0.03) 21 12 40.73
Declination -29 22 20.35 (0.03) -29 22 20.28 -29 22 20.35 -29 22 17.96 (0.03) -29 22 20.28
Spectral type DZQ DC DZQ DC DC DC
Effective temperature [K] 9773.0 (102) 9524.0 (37) 9770.0 (110) 9259.0 (40) 9943.0 9855.0 9629.0 (60)
log(g) [cgs] 8.22 (0.02) 8.03 (0.007) 8.11 (0.03) 7.98 (0.007) 8.25 8.18 8.08 (0.01)
Mass [M] 0.716 (0.01) 0.599 (0.006) 0.567 (0.004) 0.754 0.689 0.627 (0.009)
log(Luminosity) [L]
Cooling age [Gyr] 0.7800 0.7800 0.8822 0.8430
log(H/He) -4.4 -4.4
log(C/He)
log(Ca/He)
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] 30.49 (0.04) 30.49 (0.04) 30.43 (0.07) 30.49 (0.04) 30.43 (0.07) 30.49 30.49 (0.04) 30.43 (0.07)
Distance [pc] 32.79 (0.05) 32.80 (0.04) 32.86 (0.08) 32.80 (0.04) 32.00 32.86 (0.08) 32.79 32.79 (0.05) 32.86 (0.08)
Composition He He
Proper motion (right ascension) [mas/yr] 75.31640695 (0.04) 75.46794687 (0.09) 75.316 (0.04) 75.46794687
Proper motion (declination) [mas/yr] -149.5793095 (0.04) -149.4113129 (0.07) -149.579 (0.04) -149.4113129
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.30
V magnitude 15.21
R magnitude 15.41 (0.07)
I magnitude
J magnitude 15.14 (0.04) 15.14 (0.04)
H magnitude 14.96 (0.07) 14.96 (0.07)
K magnitude 15.23 (0.2) 15.23 (0.2)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 15.12 (0.002) 15.14 15.12 15.12 (0.003) 15.14
BP magnitude 15.15 (0.002) 15.13 15.13
RP magnitude 15.04 (0.001) 15.04 15.04
Pan g magnitude 15.16 (0.002) 15.16 (0.002)
Pan r magnitude 15.23 (0.004) 15.23 (0.005)
Pan i magnitude 15.37 (0.002) 15.37 (0.002)
Pan z magnitude 15.53 (0.003) 15.53 (0.003)
Pan y magnitude 15.64 (0.005) 15.64 (0.005)
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.