Gaia DR2 4359722208685335552

All names: Gaia DR2 4359722208685335552, WDJ171620.72-082118.60, GALEX J171620.6-082117, 2MASS J17162074-0821186, Gaia EDR3 4359722208685335552, LP 687-16, J1716-0821, TIC 170706414, Gaia DR3 4359722208685335552, NLTT 44467

Parameter Unit Gaia EDR3 Pan-STARRS DR1 O'Brien et al. 2024 Caron et al. 2023 Tremblay et al. 2020 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 17 16 20.34 (0.06) 17 16 20.35 17 16 20.34 17 16 20.72 (0.06) 17 16 20.35
Declination -08 21 16.98 (0.05) -08 21 17.03 -08 21 16.98 -08 21 18.60 (0.05) -08 21 17.03
Spectral type DQ DQ DQ DC: DQ
Effective temperature [K] 6065.0 (70) 5956.0 (15) 6000.0 (90) 6288.0 6042.0 5357.0 (65)
log(g) [cgs] 7.88 (0.04) 7.83 (0.007) 7.86 (0.05) 8.02 7.88 7.62 (0.02)
Mass [M] 0.504 (0.02) 0.478 (0.006) 0.601 0.5 0.367 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 2.0500 2.0640 1.9990
log(H/He)
log(C/He) -7.01
log(Ca/He)
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He)
log(Al/He)
log(Si/He)
log(P/He)
log(S/He)
log(Cl/He)
log(Sc/He)
log(Ti/He)
log(V/He)
log(Cr/He)
log(Mn/He)
log(Fe/He)
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 26.00 (0.08) 26.00 (0.08) 25.99 (0.1) 25.99 (0.1) 26.00 26.00 (0.08) 25.99 (0.1)
Distance [pc] 38.46 (0.1) 38.46 (0.1) 38.48 (0.2) 38.48 (0.2) 38.46 38.46 (0.1) 38.48 (0.2)
Composition He
Proper motion (right ascension) [mas/yr] -360.4103082 (0.09) -360.4335242 (0.2) -360.41 (0.09) -360.4335242
Proper motion (declination) [mas/yr] 101.1667405 (0.07) 101.0965736 (0.1) 101.167 (0.07) 101.0965736
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 15.90 (0.08) 15.90 (0.08)
H magnitude 15.75 (0.1) 15.75 (0.1)
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 16.77 (0.007) 16.79 16.77 16.77 (0.003) 16.79
BP magnitude 17.05 (0.007) 17.05 17.05
RP magnitude 16.34 (0.007) 16.32 16.32
Pan g magnitude 17.08 (0.003) 17.08 (0.004)
Pan r magnitude 16.77 (0.004) 16.77 (0.005)
Pan i magnitude 16.68 (0.005) 16.68 (0.004)
Pan z magnitude 16.71 (0.003) 16.71 (0.003)
Pan y magnitude 16.74 (0.007) 16.74 (0.008)
E(B-V) 0.001

* Constant surface field

Special notes:

Spectra

Controls

Normalize at:
Normalize by mean flux

Range:

x: to
y: to

Spectra available:

Spectra without link are available upon request

Absorption lines

Photometric filters

BVRI
ugriz

Photometric fit





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.