WD 1202+626

All names: Gaia DR3 1582945145090883200, WDJ120439.54+622216.55, SDSS J120439.54+622216.4, SDSS J120439.53+622216.4, WD 1202+626, J1204+6222, LP 64-426, Gaia DR2 1582945145090883200, Gaia EDR3 1582945145090883200, LSPM J1204+6222, USNO-B1.0 1523-00240716, NLTT 29503, SDSS J120439.53+622216.3

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 Caron et al. 2023 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 12 04 39.48 (0.1) 12 04 39.48 (0.1) 12 04 39.48 12 04 39.54 (0.1) 12 04 39.48 12 04 38.86
Declination 62 22 14.08 (0.1) 62 22 14.16 (0.1) 62 22 14.08 62 22 16.55 (0.1) 62 22 14.16 62 22 12.00
Spectral type DC DC DC DC DC: DC DC11.1
Effective temperature [K] 4802.0 (24) 4861.0 (24) 4804.0 4483.0 4850.0 (57)
log(g) [cgs] 7.90 (0.01) 7.95 (0.01) 7.89 7.66 7.92 (0.03)
Mass [M] 0.517 (0.01) 0.549 (0.01) 0.516 0.384 0.533 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 6.0400 5.3670 3.9190
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(C/H)
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H)
log(P/H)
log(S/H)
log(Sc/H)
log(Ti/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Ni/H)
Parallax [mas] 19.69 (0.1) 19.64 (0.2) 19.64 (0.2) 19.69 19.69 (0.1) 19.64 (0.2)
Distance [pc] 50.79 (0.3) 50.92 (0.4) 50.91 (0.4) 50.79 50.79 (0.3) 50.91 (0.4)
Composition H H
Proper motion (right ascension) [mas/yr] -24.53512127 (0.1) -24.435942 (0.4) -24.535 (0.1) -24.435942
Proper motion (declination) [mas/yr] -154.5093031 (0.1) -154.5972539 (0.3) -154.509 (0.1) -154.5972539
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 19.80
V magnitude
R magnitude 18.40
I magnitude
J magnitude 17.07 (0.04) 17.07 (0.04)
H magnitude 16.86 (0.04) 16.86 (0.04)
K magnitude 16.80 (0.04) 16.80 (0.04)
u magnitude 20.89 (0.08) 21.01 (0.09) 21.01 (0.09) 20.85
g magnitude 19.23 (0.01) 19.23 (0.01) 19.16
r magnitude 18.42 (0.008) 18.42 (0.008) 18.38
i magnitude 18.11 (0.009) 18.11 (0.009) 18.09
z magnitude 18.03 (0.03) 18.03 (0.03) 17.99
G magnitude 18.45 (0.03) 18.48 18.45 18.45 (0.003) 18.48
BP magnitude 19.02 (0.03) 18.96 18.96
RP magnitude 17.77 (0.02) 17.79 17.79
Pan g magnitude 19.11 (0.01) 19.11 (0.009)
Pan r magnitude 18.41 (0.009) 18.41 (0.009)
Pan i magnitude 18.13 (0.004) 18.13 (0.003)
Pan z magnitude 18.03 (0.005) 18.03 (0.005)
Pan y magnitude 17.98 (0.02) 17.98 (0.01)
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.