Gaia DR2 4369361489686615296

All names: Gaia EDR3 4369361489686615296, Gaia DR2 4369361489686615296, Gaia DR3 4369361489686615296, WDJ173930.74-023700.57, GALEX J173930.7-023658

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 39 30.67 (0.08) 17 39 30.67 17 39 30.67 17 39 30.74 (0.08) 17 39 30.67
Declination -02 36 57.31 (0.07) -02 36 57.41 -02 36 57.31 -02 37 00.57 (0.07) -02 36 57.41
Spectral type DC D
Effective temperature [K] 8117.0 7800.0 7213.0 (87)
log(g) [cgs] 8.37 8.28 8.05 (0.02)
Mass [M] 0.832 0.754 0.608 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 2.0540 1.9360
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 15.87 (0.09) 15.92 (0.1) 15.87 15.87 (0.09) 15.92 (0.1)
Distance [pc] 63.00 (0.4) 62.83 (0.6) 63.00 63.00 (0.4) 62.83 (0.6)
Composition
Proper motion (right ascension) [mas/yr] -67.11460515 (0.1) -67.29279656 (0.2) -67.115 (0.1) -67.29279656
Proper motion (declination) [mas/yr] 204.0586556 (0.08) 204.0494033 (0.2) 204.059 (0.08) 204.0494033
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 17.43 (0.007) 17.45 17.43 17.43 (0.003) 17.45
BP magnitude 17.57 (0.007) 17.55 17.55
RP magnitude 17.19 (0.007) 17.21 17.21
Pan g magnitude 17.56 (0.002)
Pan r magnitude 17.48 (0.004)
Pan i magnitude 17.55 (0.006)
Pan z magnitude 17.62 (0.003)
Pan y magnitude 17.72 (0.01)
E(B-V) 0.002

* 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.