SDSS J114552.73+033218.7

All names: SDSS J114552.73+033218.7, Gaia EDR3 3895930066442279424, SDSS J114552.71+033219.1, Gaia DR3 3895930066442279424, SDSS J114552.70+033219.2, Gaia DR2 3895930066442279424, SDSS J114552.73+033218.71, SDSS J114552.70+033219.1

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Koester & Kepler 2015 Kepler et al. 2015 Vincent et al. 2024 Simbad Vincent et al. 2023
Right ascension 11 45 52.74 (0.2) 11 45 52.71 11 45 52.74 (0.3) 11 45 52.74 11 45 52.71 (0.2)
Declination 03 32 18.58 (0.2) 03 32 19.13 03 32 18.60 (0.2) 03 32 18.58 03 32 19.26 (0.2)
Spectral type DBA DBA DB DBA DB
Effective temperature [K] 14033.0 13818.0 12607.0 14053.0 (71) 14419.0 (125) 11988.0 (771)
log(g) [cgs] 8.06 7.80 7.67 8.00 (0) 8.40 (0.09) 7.62 (0.1)
Mass [M] 0.626 0.478 0.416 0.392 (0.09)
log(Luminosity) [L]
Cooling age [Gyr] 0.2185
log(H/He) -5.826 <-5.58
log(C/He)
log(Ca/He) <-8.34
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] 3.33 (0.3) 3.23 (0.4) 3.33 3.33 (0.3)
Distance [pc] 300.12 (28) 309.86 (35) 273.00 300.12 300.12 (28)
Composition He
Proper motion (right ascension) [mas/yr] 32.51056905 (0.3) 32.70327219 (0.7) 32.511 (0.3)
Proper motion (declination) [mas/yr] -42.64040991 (0.2) -42.9053351 (0.3) -42.64 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.55 (0.02) 18.54 (0.02) 18.55 (0.02)
g magnitude 18.57 (0.008) 18.58 (0.02) 18.57 (0.008)
r magnitude 18.84 (0.01) 18.84 (0.02) 18.84 (0.01)
i magnitude 19.07 (0.02) 19.06 (0.02) 19.07 (0.02)
z magnitude 19.13 (0.06) 19.12 (0.06) 19.13 (0.06)
G magnitude 18.69 (0.02) 18.72 18.69 18.69 (0.004)
BP magnitude 18.74 (0.02) 18.64
RP magnitude 18.72 (0.04) 18.67
Pan g magnitude 18.60 (0.007)
Pan r magnitude 18.84 (0.01)
Pan i magnitude 19.02 (0.009)
Pan z magnitude 19.24 (0.02)
Pan y magnitude 19.34 (0.03)
E(B-V) 0.023

* Constant surface field

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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.