SDSS J092927.25+124500.7

All names: SDSS J092927.25+124500.7, SDSS J092927.25+124500.8, Gaia DR2 593272044574436224, GALEX J092927.2+124501, Gaia EDR3 593272044574436224, Gaia DR3 593272044574436224, SDSS J092927.24+124500.7

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Gaia DR2 Stilism Vincent et al. 2024 Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 09 29 27.25 (0.1) 09 29 27.25 09 29 27.25 (0.2) 09 29 27.25 09 29 27.26 (0.1) 09 29 27.25
Declination 12 45 00.79 (0.08) 12 45 00.71 12 45 00.79 (0.2) 12 45 00.79 12 45 00.75 (0.08) 12 45 00.75
Spectral type DA DA DA DA
Effective temperature [K] 18850.0 (803) 21026.0 (184)
log(g) [cgs] 8.11 (0.05) 8.15 (0.03)
Mass [M] 0.687 (0.04) 0.706 (0.02)
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 4.81 (0.1) 4.74 (0.2) 4.81 4.81 (0.1)
Distance [pc] 207.98 (6) 211.10 (10) 207.98 207.98 (6)
Composition
Proper motion (right ascension) [mas/yr] -13.26477939 (0.1) -13.59112467 (0.3) -13.265 (0.1)
Proper motion (declination) [mas/yr] 2.590344917 (0.1) 2.316869218 (0.2) 2.59 (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 17.51 (0.01) 17.51 (0.01) 17.49 (0.01)
g magnitude 17.49 (0.005) 17.49 (0.005) 17.50 (0.01)
r magnitude 17.83 (0.006) 17.83 (0.006) 17.84 (0.01)
i magnitude 18.13 (0.008) 18.13 (0.008) 18.15 (0.01)
z magnitude 18.45 (0.03) 18.45 (0.03) 18.46 (0.03)
G magnitude 17.68 (0.01) 17.71 17.68 17.68 (0.003)
BP magnitude 17.62 (0.01) 17.60
RP magnitude 17.85 (0.02) 17.88
Pan g magnitude 17.54 (0.006)
Pan r magnitude 17.86 (0.003)
Pan i magnitude 18.16 (0.004)
Pan z magnitude 18.44 (0.02)
Pan y magnitude 18.58 (0.02)
E(B-V) 0.015

* 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.