SDSS J162946.55+154744.8

All names: Gaia DR3 4465742651752503680, GALEX J162946.6+154745, Gaia DR2 4465742651752503680, Gaia EDR3 4465742651752503680, SDSS J162946.55+154744.8

Parameter Unit Gaia EDR3 Stilism Simbad Vincent et al. 2023
Right ascension 16 29 46.53 (0.5) 16 29 46.57 (0.5)
Declination 15 47 44.87 (0.4) 15 47 44.88 (0.4)
Spectral type D hotDQ:
Effective temperature [K]
log(g) [cgs]
Mass [M]
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 3.80 (0.7) 3.80 (0.7)
Distance [pc] 263.23 (48) 263.23 (48)
Composition
Proper motion (right ascension) [mas/yr] -31.76 (0.5) -31.76 (0.5)
Proper motion (declination) [mas/yr] -0.746 (0.5) -0.746 (0.5)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.31 (0.06)
g magnitude 20.32 (0.02)
r magnitude 20.41 (0.03)
i magnitude 20.58 (0.05)
z magnitude 20.73 (0.2)
G magnitude 20.37 (0.006) 20.37 (0.006)
BP magnitude 20.49 (0.08)
RP magnitude 20.22 (0.09)
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.048

* 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.