Gaia DR2 4013877015215909632

All names: Gaia DR3 4013877015215909632, J1207+2916, WDJ120701.02+291634.12, WDJ12071.02+291634.11, Gaia EDR3 4013877015215909632, Gaia DR2 4013877015215909632, SDSS J120701.01+291633.7, SDSS J120701.02+291633.8, SDSS J120701.02+291633.7

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 Caron et al. 2023 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 Vincent et al. 2023
Right ascension 12 07 01.01 (0.2) 12 07 01.01 12 07 01.01 12 07 01.02 (0.2) 12 07 01.01
Declination 29 16 32.80 (0.1) 29 16 32.84 29 16 32.80 29 16 34.12 (0.1) 29 16 32.84
Spectral type DC DC DC DC DC
Effective temperature [K] 5699.0 (44) 6027.0 (44) 6204.0 5955.0 5196.0 (434)
log(g) [cgs] 7.89 (0.03) 8.09 (0.03) 8.19 8.05 7.91 (0.06)
Mass [M] 0.506 (0.02) 0.626 (0.03) 0.709 0.604 0.516 (0.05)
log(Luminosity) [L]
Cooling age [Gyr] 3.1400 3.2540 3.0140
log(H/He) -5.0
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] 11.66 (0.2) 11.65 (0.2) 11.65 (0.2) 11.66 11.66 (0.2) 11.65 (0.2)
Distance [pc] 85.79 (1) 85.84 (2) 85.81 (2) 85.79 85.79 (1) 85.81 (2)
Composition He
Proper motion (right ascension) [mas/yr] -12.638839 (0.2) -12.96509725 (0.4) -12.639 (0.2) -12.96509725
Proper motion (declination) [mas/yr] -82.25731736 (0.2) -82.20531474 (0.3) -82.257 (0.2) -82.20531474
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 18.07 (0.03)
H magnitude 17.92 (0.08)
K magnitude 17.63 (0.1)
u magnitude 19.93 (0.03) 19.94 (0.03) 19.94 (0.03)
g magnitude 19.16 (0.01) 19.16 (0.01)
r magnitude 18.84 (0.01) 18.84 (0.01)
i magnitude 18.73 (0.01) 18.73 (0.01)
z magnitude 18.68 (0.04) 18.68 (0.04)
G magnitude 18.83 (0.02) 18.85 18.83 18.83 (0.003) 18.85
BP magnitude 19.12 (0.02) 19.09 19.09
RP magnitude 18.40 (0.02) 18.38 18.38
Pan g magnitude 19.12 (0.007) 19.12 (0.007)
Pan r magnitude 18.82 (0.008) 18.82 (0.007)
Pan i magnitude 18.72 (0.009) 18.72 (0.008)
Pan z magnitude 18.74 (0.009) 18.74 (0.009)
Pan y magnitude 18.74 (0.02) 18.74 (0.02)
E(B-V) 0.003

* 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.