WD 1200+047

All names: Gaia DR2 3894780007343533184, 2MASS J12032867+0426532, USNO-B1.0 0944-00201067, SDSS J120328.64+042653.4, SDSS J120328.65+042653.4, WDJ120328.67+042653.27, Gaia DR3 3894780007343533184, LSPM J1203+0426, Gaia EDR3 3894780007343533184, J1203+0426, TIC 376813265, LP 554-23, NLTT 29432, WD 1200+047, SDSS J120328.64+042653.3

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 Caron et al. 2023 Bergeron et al. 2022 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 03 28.40 (0.09) 12 03 28.40 (0.1) 12 03 28.40 12 03 28.67 (0.09) 12 03 28.40 12 03 28.70
Declination 04 26 55.70 (0.08) 04 26 55.63 (0.09) 04 26 55.70 04 26 53.26 (0.08) 04 26 55.63 04 26 47.76
Spectral type DC-IRfaint DC DC DC DC DC: DC DC10.4
Effective temperature [K] 4966.0 (21) 4979.0 (20) 4966.0 (21) 4983.0 4690.0 5032.0 (43)
log(g) [cgs] 7.48 (0.01) 7.50 (0.02) 7.33 7.10 7.36 (0.03)
Mass [M☉] 0.342 (0.004) 0.349 (0.006) 0.342 (0.004) 0.265 0.186 0.273 (0.01)
log(Luminosity) [L☉]
Cooling age [Gyr] 4.1100 4.0210 1.8550 1.9290
log(H/He) -1.13 -1.12 -1.13
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] 20.38 (0.1) 20.45 (0.2) 20.45 (0.2) 20.38 20.38 (0.1) 20.45 (0.2)
Distance [pc] 49.07 (0.3) 48.90 (0.4) 48.90 (0.4) 49.07 49.07 (0.3) 48.90 (0.4)
Composition He
Proper motion (right ascension) [mas/yr] -253.6685527 (0.1) -253.6079915 (0.3) -253.669 (0.1) -253.6079915
Proper motion (declination) [mas/yr] 152.5099588 (0.08) 152.3624383 (0.2) 152.51 (0.08) 152.3624383
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 17.90
V magnitude
R magnitude 17.60
I magnitude
J magnitude 16.39 (0.01) 16.39 (0.01)
H magnitude 16.49 (0.02) 16.49 (0.02)
K magnitude 16.92 (0.06) 16.92 (0.06)
u magnitude 19.58 (0.03) 19.58 (0.03) 19.58 (0.03) 19.47
g magnitude 18.18 (0.006) 18.18 (0.006) 18.11
r magnitude 17.47 (0.006) 17.47 (0.006) 17.45
i magnitude 17.21 (0.006) 17.21 (0.006) 17.17
z magnitude 17.12 (0.01) 17.12 (0.01) 17.09
G magnitude 17.50 (0.01) 17.52 17.50 17.50 (0.003) 17.52
BP magnitude 17.99 (0.01) 18.01 18.01
RP magnitude 16.88 (0.007) 16.89 16.89
Pan g magnitude 18.11 (0.007) 18.11 (0.006)
Pan r magnitude 17.47 (0.008) 17.47 (0.01)
Pan i magnitude 17.23 (0.003) 17.23 (0.003)
Pan z magnitude 17.14 (0.004) 17.14 (0.004)
Pan y magnitude 17.12 (0.007) 17.12 (0.007)
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.