Gaia DR2 1706270664229782528

All names: WDJ170009.20+790829.94, Gaia DR2 1706270664229782528, WDJ17009.2+790829.94, Gaia EDR3 1706270664229782528, Gaia DR3 1706270664229782528, SDSS J170009.15+790830.0, J1700+7908, SDSS J170009.16+790830.1

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 Kilic et al. 2020 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 17 00 08.96 (0.04) 17 00 08.97 17 00 08.96 17 00 09.20 (0.04) 17 00 08.97
Declination 79 08 30.88 (0.04) 79 08 30.85 79 08 30.88 79 08 29.94 (0.04) 79 08 30.85
Spectral type DC DC DB DC
Effective temperature [K] 11125.0 (144) 11125.0 (143) 10997.0 11449.0 12110.0 (146)
log(g) [cgs] 7.94 (0.02) 7.93 (0.02) 8.02 8.00 8.08 (0.01)
Mass [M] 0.551 (0.01) 0.543 (0.01) 0.616 0.583 0.633 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 0.4831 0.4345
log(H/He) -5.0 -5
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 11.43 (0.04) 11.34 (0.06) 11.43 11.43 (0.04) 11.34 (0.06)
Distance [pc] 87.50 (0.3) 88.22 (0.5) 87.50 87.50 (0.3) 88.22 (0.5)
Composition
Proper motion (right ascension) [mas/yr] -42.17082643 (0.05) -41.87086792 (0.1) -42.171 (0.05) -41.87086792
Proper motion (declination) [mas/yr] 58.54568651 (0.05) 58.35850433 (0.2) 58.546 (0.05) 58.35850433
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 16.62 (0.008) 16.62 (0.008)
g magnitude 16.54 (0.004) 16.54 (0.004)
r magnitude 16.70 (0.005) 16.70 (0.005)
i magnitude 16.88 (0.005) 16.88 (0.005)
z magnitude 17.04 (0.01) 17.04 (0.01)
G magnitude 16.61 (0.005) 16.64 16.61 16.61 (0.003) 16.64
BP magnitude 16.60 (0.005) 16.56 16.56
RP magnitude 16.60 (0.008) 16.61 16.61
Pan g magnitude 16.60 (0.007)
Pan r magnitude 16.76 (0.004)
Pan i magnitude 16.92 (0.004)
Pan z magnitude 17.11 (0.004)
Pan y magnitude 17.28 (0.01)
E(B-V) 0.008

* 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.