Gaia DR2 4379812558164849408

All names: WD 1702-016, WDJ170502.87-014502.70, TIC 142452393, SDSS J170502.82-014503.6, Gaia DR2 4379812558164849408, 2MASS J17050287-0145026, SDSS J170502.81-014503.6, WDJ17052.87-014502.70, Gaia EDR3 4379812558164849408, LP 626-29, NLTT 44128, Gaia DR3 4379812558164849408, J1705-0145

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 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 05 02.70 (0.08) 17 05 02.71 17 05 02.70 17 05 02.87 (0.08) 17 05 02.71
Declination -01 45 05.40 (0.06) -01 45 05.31 -01 45 05.40 -01 45 02.70 (0.06) -01 45 05.31
Spectral type DC DC DC DC DC: DC
Effective temperature [K] 4754.0 (10) 4700.0 (44) 4760.0 (11) 4730.0 (40) 4743.0 4428.0 4788.0 (32)
log(g) [cgs] 7.99 (0.007) 7.94 (0.04) 8.00 (0.007) 7.97 (0.03) 7.99 7.76 8.00 (0.02)
Mass [M] 0.573 (0.006) 0.541 (0.02) 0.579 (0.006) 0.569 0.431 0.58 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 7.0800 6.6090 4.8150
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] 35.33 (0.1) 35.33 (0.1) 35.35 (0.1) 35.35 (0.1) 35.33 35.33 (0.1) 35.35 (0.1)
Distance [pc] 28.30 (0.09) 28.30 (0.1) 28.29 (0.1) 28.29 (0.1) 28.30 28.30 (0.09) 28.29 (0.1)
Composition H H
Proper motion (right ascension) [mas/yr] -160.9047017 (0.1) -160.7362721 (0.2) -160.905 (0.1) -160.7362721
Proper motion (declination) [mas/yr] -168.313339 (0.09) -168.2260494 (0.2) -168.313 (0.09) -168.2260494
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 16.07 (0.09) 16.07 (0.09)
H magnitude 15.75 (0.1) 15.75 (0.1)
K magnitude
u magnitude 19.94 (0.06) 19.97 (0.06) 19.97 (0.06)
g magnitude 18.15 (0.007) 18.15 (0.007)
r magnitude 17.31 (0.005) 17.31 (0.005)
i magnitude 17.05 (0.005) 17.05 (0.005)
z magnitude 16.89 (0.01) 16.89 (0.01)
G magnitude 17.34 (0.008) 17.36 17.34 17.34 (0.003) 17.36
BP magnitude 17.90 (0.008) 17.91 17.91
RP magnitude 16.67 (0.005) 16.69 16.69
Pan g magnitude 18.04 (0.003) 18.04 (0.003)
Pan r magnitude 17.31 (0.004) 17.31 (0.004)
Pan i magnitude 17.02 (0.005) 17.02 (0.004)
Pan z magnitude 16.93 (0.004) 16.93 (0.004)
Pan y magnitude 16.87 (0.006) 16.87 (0.005)
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.