SDSS J105211.30+274743.0

All names: SDSS J105211.30+274742.9, LAMOST J105211.30+274743.0, Gaia DR2 731304429382989824, Gaia EDR3 731304429382989824, GALEX J105211.3+274742, SDSS J105211.31+274742.9, SDSS J105211.31+274743.1, SDSS J105211.30+274743.0, Gaia DR3 731304429382989824

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Bedard et al. 2020 MWDD H Gaia DR2 Stilism Guo et al. 2015 Vincent et al. 2024 Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 10 52 11.31 (0.1) 10 52 11.31 10 52 11.31 (0.2) 10 52 11.31 10 52 11.30 (0.1) 10 52 11.31
Declination 27 47 42.88 (0.1) 27 47 43.06 27 47 42.89 (0.2) 27 47 42.88 27 47 43.13 (0.1) 27 47 43.06
Spectral type DA DA DAZ? DA DA DA DA
Effective temperature [K] 30685.0 (191) 27225.0 31195.0 (246) 46501.0 (13064) 29947.0 (302)
log(g) [cgs] 7.92 (0.05) 8.03 7.76 (0.06) 8.35 (0.2) 8.12 (0.07)
Mass [M] 0.6 (0.02) 0.654 0.53 (0.03) 0.873 (0.1) 0.705 (0.04)
log(Luminosity) [L] -0.80 (0.03)
Cooling age [Gyr] 0.0083 (0.0002) 0.0150
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] 2.31 (0.2) 2.65 (0.3) 2.31 2.31 (0.2)
Distance [pc] 432.98 (28) 376.98 (38) 432.98 432.98 (28)
Composition H H
Proper motion (right ascension) [mas/yr] 2.408602277 (0.1) 1.998829241 (0.3) 2.409 (0.1)
Proper motion (declination) [mas/yr] -15.7662968 (0.1) -15.89509565 (0.4) -15.766 (0.1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 17.60 (0.01) 17.60 (0.01) 17.61 (0.01)
g magnitude 17.87 (0.006) 17.87 (0.006) 17.88 (0.03)
r magnitude 18.31 (0.008) 18.31 (0.008) 18.30 (0.02)
i magnitude 18.68 (0.01) 18.68 (0.01) 18.68 (0.02)
z magnitude 18.99 (0.05) 18.99 (0.05) 18.98 (0.05)
G magnitude 18.10 (0.03) 18.12 18.10 18.10 (0.003)
BP magnitude 17.96 (0.03) 17.89
RP magnitude 18.42 (0.05) 18.38
Pan g magnitude 17.91 (0.01)
Pan r magnitude 18.33 (0.01)
Pan i magnitude 18.68 (0.006)
Pan z magnitude 18.98 (0.02)
Pan y magnitude 19.14 (0.03)
E(B-V) 0.019

* 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.