Gaia DR2 1875301369907249024

All names: TIC 411370218, 2MASS J22305914+2254543, WDJ223059.16+225454.09, Gaia DR2 1875301369907249024, Gaia DR3 1875301369907249024, Gaia EDR3 1875301369907249024, GALEX J223059.1+225454, SDSS J223059.18+225454.1, J2230+2254

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 O'Brien et al. 2024 Caron et al. 2023 McCleery et al. 2020 Tremblay et al. 2020 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 22 30 59.25 (0.05) 22 30 59.25 (0.05) 22 30 59.25 22 30 59.25 22 30 59.16 (0.05) 22 30 59.25
Declination 22 54 54.31 (0.06) 22 54 54.31 (0.07) 22 54 54.31 22 54 54.31 22 54 54.09 (0.06) 22 54 54.31
Spectral type DC DC DC DC DC DA DC
Effective temperature [K] 5419.0 (20) 5774.0 (51) 5734.0 (20) 5720.5 (28) 5720.0 (30) 5914.0 5651.0 5938.0 (33)
log(g) [cgs] 7.99 (0.008) 8.21 (0.03) 8.18 (0.008) 8.19 (0.02) 8.20 (0.02) 8.29 8.15 8.31 (0.01)
Mass [M] 0.564 (0.007) 0.701 (0.02) 0.685 (0.007) 0.776 0.662 0.783 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 4.8200 4.4860 4.6690
log(H/He) -5.0
log(C/He)
log(Ca/He)
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He)
log(Al/He)
log(Si/He)
log(P/He)
log(S/He)
log(Cl/He)
log(Sc/He)
log(Ti/He)
log(V/He)
log(Cr/He)
log(Mn/He)
log(Fe/He)
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 32.27 (0.08) 32.27 (0.08) 32.22 (0.1) 32.22 (0.1) 32.22 (0.1) 32.27 32.27 (0.08) 32.22 (0.1)
Distance [pc] 30.99 (0.07) 30.99 (0.08) 31.04 (0.1) 31.04 (0.1) 31.04 (0.1) 30.99 30.99 (0.07) 31.04 (0.1)
Composition He He
Proper motion (right ascension) [mas/yr] 82.62372656 (0.08) 82.4927682 (0.2) 82.624 (0.08) 82.4927682
Proper motion (declination) [mas/yr] 13.74707934 (0.08) 13.94988877 (0.1) 13.747 (0.08) 13.94988877
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 16.14 (0.09) 16.14 (0.09)
H magnitude 15.71 (0.1) 15.71 (0.1)
K magnitude
u magnitude 18.19 (0.01) 18.21 (0.01) 18.21 (0.01)
g magnitude 17.36 (0.005) 17.36 (0.005)
r magnitude 16.95 (0.005) 16.95 (0.005)
i magnitude 16.81 (0.006) 16.81 (0.006)
z magnitude 16.76 (0.01) 16.76 (0.01)
G magnitude 16.96 (0.005) 16.98 16.98 16.96 16.96 (0.003) 16.98
BP magnitude 17.28 (0.005) 17.29 17.29
RP magnitude 16.50 (0.005) 16.50 16.50
Pan g magnitude 17.31 (0.005) 17.31 (0.005)
Pan r magnitude 16.96 (0.003) 16.96 (0.003)
Pan i magnitude 16.84 (0.003) 16.84 (0.004)
Pan z magnitude 16.80 (0.007) 16.80 (0.005)
Pan y magnitude 16.82 (0.006) 16.82 (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.