Gaia DR2 1638448388981845888

All names: WDJ17281.37+693838.20, Gaia EDR3 1638448388981845888, SDSS J172801.37+693838.2, Gaia DR2 1638448388981845888, Gaia DR3 1638448388981845888, SDSS J172801.38+693838.3, WDJ172801.37+693838.21, 2MASS J17280129+6938379, SDSS J172801.38+693838.2, TIC 219884489

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 17 28 01.41 (0.03) 17 28 01.41 17 28 01.41 17 28 01.37 (0.03) 17 28 01.41
Declination 69 38 38.32 (0.04) 69 38 38.32 69 38 38.32 69 38 38.21 (0.04) 69 38 38.32
Spectral type DA DA DA
Effective temperature [K] 14844.0 (200) 14160.0 15292.0 15740.0 (196)
log(g) [cgs] 7.96 (0.01) 7.91 8.03 8.02 (0.01)
Mass [M] 0.589 (0.009) 0.558 0.608 0.628 (0.009)
log(Luminosity) [L]
Cooling age [Gyr] 0.2039 0.1969
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] 12.91 (0.03) 12.89 (0.05) 12.91 12.91 (0.03) 12.89 (0.05)
Distance [pc] 77.43 (0.2) 77.55 (0.3) 77.43 77.43 (0.2) 77.55 (0.3)
Composition H
Proper motion (right ascension) [mas/yr] 13.77840918 (0.04) 13.81297742 (0.08) 13.778 (0.04) 13.81297742
Proper motion (declination) [mas/yr] 7.366766159 (0.05) 7.33954563 (0.1) 7.367 (0.05) 7.33954563
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 16.20 (0.1)
H magnitude
K magnitude
u magnitude 15.89 (0.006) 15.89 (0.006)
g magnitude 15.56 (0.004) 15.56 (0.004)
r magnitude 15.85 (0.005) 15.85 (0.005)
i magnitude 16.11 (0.006) 16.11 (0.006)
z magnitude 16.36 (0.009) 16.36 (0.009)
G magnitude 15.71 (0.002) 15.73 15.71 15.71 (0.003) 15.73
BP magnitude 15.68 (0.002) 15.66 15.66
RP magnitude 15.83 (0.004) 15.83 15.83
Pan g magnitude 15.61 (0.007)
Pan r magnitude 15.86 (0.002)
Pan i magnitude 16.13 (0.002)
Pan z magnitude 16.37 (0.004)
Pan y magnitude 16.53 (0.007)
E(B-V) 0.010

* 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.