Gaia DR2 2822330113802737408

All names: Gaia EDR3 2822330113802737408, WDJ235750.73+194905.90, Gaia DR2 2822330113802737408, SDSS J235750.85+194908.5, NLTT 58554, 2MASS J23575077+1949068, USNO-B1.0 1098-00605257, LSPM J2357+1949

Parameter Unit Gaia EDR3 Tremblay et al. 2020 MWDD H MWDD HE Pan-STARRS DR1 Gaia DR2 Simbad Gentile Fusillo et al. 2018
Right ascension 23 57 50.93 (0.06) 23 57 50.93 23 57 50.73 (0.08) 23 57 50.93
Declination 19 49 10.10 (0.05) 19 49 09.97 19 49 05.90 (0.05) 19 49 09.97
Spectral type DZ DZ
Effective temperature [K] 5810.0 (50) 6640.0 6411.0
log(g) [cgs] 7.89 (0.04) 8.28 8.17
Mass [M] 0.77 0.681
log(Luminosity) [L]
Cooling age [Gyr] 3.1820 2.9540
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 24.90 (0.09) 24.92 (0.1) 24.92 (0.1) 24.92 (0.1)
Distance [pc] 40.16 (0.1) 40.12 (0.2) 40.12 (0.2) 40.12 (0.2)
Composition
Proper motion (right ascension) [mas/yr] 176.6197122 (0.09) 176.8048578 (0.2) 176.805 (0.2) 176.8048578
Proper motion (declination) [mas/yr] 262.5771977 (0.05) 262.5694256 (0.09) 262.569 (0.09) 262.5694256
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 17.80
V magnitude
R magnitude 16.70
I magnitude
J magnitude 16.36 (0.1)
H magnitude 16.26 (0.2)
K magnitude 15.90 (0.3)
u magnitude 20.16 (0.05) 20.16 (0.05)
g magnitude 17.43 (0.005) 17.43 (0.005)
r magnitude 16.89 (0.005) 16.89 (0.005)
i magnitude 16.93 (0.006) 16.93 (0.006)
z magnitude 17.04 (0.01) 17.04 (0.01)
G magnitude 17.06 (0.006) 17.08 17.08 (0.0009) 17.08
BP magnitude 17.34 (0.006) 17.38 17.38
RP magnitude 16.62 (0.005) 16.61 16.61
Pan g magnitude 17.34 (0.003)
Pan r magnitude 16.92 (0.003)
Pan i magnitude 16.96 (0.002)
Pan z magnitude 17.06 (0.005)
Pan y magnitude 17.11 (0.008)

* 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 (LANL). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.