Gaia DR2 4489042883693203584

All names: WDJ174241.72+085500.99, Gaia DR3 4489042883693203584, Gaia DR2 4489042883693203584, LSPM J1742+0855, USNO-B1.0 0989-00314367, Gaia EDR3 4489042883693203584, WDJ174241.72+085501.00

Parameter Unit Gaia EDR3 Pan-STARRS DR1 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 17 42 41.61 (0.2) 17 42 41.61 17 42 41.61 17 42 41.72 (0.2) 17 42 41.61
Declination 08 54 58.28 (0.2) 08 54 58.37 08 54 58.28 08 55 00.99 (0.2) 08 54 58.37
Spectral type DA: DA
Effective temperature [K] 5077.0 4765.0 5129.0 (98)
log(g) [cgs] 7.85 7.62 7.90 (0.06)
Mass [M] 0.492 0.368 0.523 (0.05)
log(Luminosity) [L]
Cooling age [Gyr] 3.5520 3.0390
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 12.47 (0.3) 12.34 (0.4) 12.47 12.47 (0.3) 12.34 (0.4)
Distance [pc] 80.20 (2) 81.05 (3) 80.20 80.20 (2) 81.05 (3)
Composition
Proper motion (right ascension) [mas/yr] -107.1082136 (0.2) -108.2805056 (0.9) -107.108 (0.2) -108.2805056
Proper motion (declination) [mas/yr] -168.9963803 (0.2) -169.5287709 (0.9) -168.996 (0.2) -169.5287709
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 19.80
V magnitude
R magnitude 18.50
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 19.12 (0.04) 19.16 19.12 19.12 (0.004) 19.16
BP magnitude 19.66 (0.04) 19.58 19.58
RP magnitude 18.53 (0.02) 18.52 18.52
Pan g magnitude 19.68 (0.01)
Pan r magnitude 19.11 (0.004)
Pan i magnitude 18.87 (0.005)
Pan z magnitude 18.76 (0.009)
Pan y magnitude 18.77 (0.03)
E(B-V) 0.017

* 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.