Gaia DR2 1993740586359297536

All names: Gaia DR2 1993740586359297536, WDJ234916.22+541156.72, WDJ234916.22+541156.73, Gaia EDR3 1993740586359297536, Gaia DR3 1993740586359297536

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 23 49 16.14 (0.1) 23 49 16.14 23 49 16.14 23 49 16.22 (0.1) 23 49 16.14
Declination 54 11 56.65 (0.1) 54 11 56.65 54 11 56.65 54 11 56.73 (0.1) 54 11 56.65
Spectral type DC: D
Effective temperature [K] 6216.0 5976.0
log(g) [cgs] 8.30 8.17
Mass [M☉] 0.781 0.68
log(Luminosity) [L☉]
Cooling age [Gyr] 3.9490 3.9270
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 13.41 (0.2) 13.34 (0.2) 13.41 13.41 (0.2) 13.34 (0.2)
Distance [pc] 74.56 (1) 74.99 (1) 74.56 74.56 (1) 74.99 (1)
Composition
Proper motion (right ascension) [mas/yr] -44.54431992 (0.2) -44.4839894 (0.3) -44.544 (0.2) -44.4839894
Proper motion (declination) [mas/yr] -4.861104188 (0.1) -4.776940751 (0.2) -4.861 (0.1) -4.776940751
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 18.67 (0.02) 18.70 18.67 18.67 (0.003) 18.70
BP magnitude 19.00 (0.02) 19.04 19.04
RP magnitude 18.28 (0.02) 18.24 18.24
Pan g magnitude 18.99 (0.01)
Pan r magnitude 18.66 (0.01)
Pan i magnitude 18.60 (0.009)
Pan z magnitude 18.59 (0.01)
Pan y magnitude 18.62 (0.03)
E(B-V) 0.007

* 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.