Gaia DR2 3905501688823640832

All names: Gaia DR3 3905501688823640832, WDJ121517.49+092139.06, WDJ121517.49+092139.07, Gaia EDR3 3905501688823640832, SDSS J121517.46+092138.9, Gaia DR2 3905501688823640832, SDSS J121517.46+092138.8

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 12 15 17.35 (0.3) 12 15 17.36 12 15 17.35 12 15 17.49 (0.3) 12 15 17.36
Declination 09 21 37.75 (0.2) 09 21 37.79 09 21 37.75 09 21 39.07 (0.2) 09 21 37.79
Spectral type DA DA
Effective temperature [K] 4939.0 4623.0 4985.0 (150)
log(g) [cgs] 8.06 7.84 8.04 (0.07)
Mass [M] 0.615 0.477 0.606 (0.07)
log(Luminosity) [L]
Cooling age [Gyr] 6.6220 5.0840
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 13.97 (0.3) 14.09 (0.5) 13.97 13.97 (0.3) 14.09 (0.5)
Distance [pc] 71.57 (2) 70.98 (2) 71.57 71.57 (2) 70.98 (2)
Composition
Proper motion (right ascension) [mas/yr] -124.1858628 (0.3) -125.2105433 (0.9) -124.186 (0.3) -125.2105433
Proper motion (declination) [mas/yr] -82.40225062 (0.2) -82.13932842 (0.4) -82.402 (0.2) -82.13932842
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 21.88 (0.2) 21.88 (0.2)
g magnitude 19.98 (0.02) 19.98 (0.02)
r magnitude 19.23 (0.01) 19.23 (0.01)
i magnitude 18.91 (0.01) 18.91 (0.01)
z magnitude 18.87 (0.04) 18.87 (0.04)
G magnitude 19.27 (0.04) 19.30 19.27 19.27 (0.004) 19.30
BP magnitude 19.71 (0.04) 19.75 19.75
RP magnitude 18.58 (0.02) 18.54 18.54
Pan g magnitude 19.86 (0.007)
Pan r magnitude 19.21 (0.008)
Pan i magnitude 18.95 (0.007)
Pan z magnitude 18.89 (0.01)
Pan y magnitude 18.82 (0.02)
E(B-V) 0.003

* 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.