Gaia DR2 2881240087097750528

All names: SDSS J235557.38+380009.2, SDSS J235557.39+380009.2, Gaia EDR3 2881240087097750528, Gaia DR2 2881240087097750528, Gaia DR3 2881240087097750528, WDJ235557.39+380009.33, SDSS J235557.39+380009.3

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 23 55 57.37 (0.06) 23 55 57.37 23 55 57.37 23 55 57.39 (0.06) 23 55 57.37
Declination 38 00 09.10 (0.05) 38 00 09.11 38 00 09.10 38 00 09.33 (0.05) 38 00 09.11
Spectral type DA DA DA
Effective temperature [K] 8471.0 (62) 8406.0 8163.0 8661.0 (106)
log(g) [cgs] 8.01 (0.01) 8.01 7.92 8.06 (0.02)
Mass [M] 0.603 (0.01) 0.599 0.528 0.632 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 0.9519 0.9472
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] 12.01 (0.09) 12.08 (0.1) 12.01 12.01 (0.09) 12.08 (0.1)
Distance [pc] 83.25 (0.6) 82.77 (0.9) 83.25 83.25 (0.6) 82.77 (0.9)
Composition H
Proper motion (right ascension) [mas/yr] -14.92353361 (0.08) -14.89974376 (0.1) -14.924 (0.08) -14.89974376
Proper motion (declination) [mas/yr] -14.60693652 (0.06) -14.5480244 (0.09) -14.607 (0.06) -14.5480244
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 17.85 (0.01) 17.85 (0.01)
g magnitude 17.44 (0.005) 17.44 (0.005)
r magnitude 17.42 (0.005) 17.42 (0.005)
i magnitude 17.47 (0.006) 17.47 (0.006)
z magnitude 17.55 (0.01) 17.55 (0.01)
G magnitude 17.36 (0.006) 17.38 17.36 17.36 (0.003) 17.38
BP magnitude 17.48 (0.006) 17.46 17.46
RP magnitude 17.17 (0.008) 17.18 17.18
Pan g magnitude 17.45 (0.005)
Pan r magnitude 17.43 (0.004)
Pan i magnitude 17.49 (0.004)
Pan z magnitude 17.60 (0.005)
Pan y magnitude 17.65 (0.01)
E(B-V) 0.007

* 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.