SDSS J092937.25+155419.5

All names: SDSS J092937.25+155419.5, SDSS J092937.25+155419.4, SDSS J092937.24+155419.3, Gaia EDR3 619066965319037952, Gaia DR2 619066965319037952, Gaia DR3 619066965319037952, GALEX J092937.2+155419

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Hardy et al. 2023a MWDD H Gaia DR2 Stilism Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 09 29 37.22 (0.4) 09 29 37.25 09 29 37.22 (1) 09 29 37.26 (0.4) 09 29 37.25
Declination 15 54 19.34 (0.3) 15 54 19.42 15 54 19.34 (0.6) 15 54 19.55 (0.3) 15 54 19.45
Spectral type DA DAH DAH DAH DA
Effective temperature [K] 17559.0 (3) 18452.0 18475.0 (650)
log(g) [cgs] 9.49 (0.5) 9.54 9.21 (0.1)
Mass [M] 1.362662301419382 (0.5) 1.382
log(Luminosity) [L]
Cooling age [Gyr] 1.0640
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] 6.34 (0.5) 7.64 (1) 6.34 (0.5)
Distance [pc] 157.75 (12) 130.94 (19) 157.75 (12)
Composition H
Proper motion (right ascension) [mas/yr] -35.33897915 (0.4) -36.11629425 (0.9) -35.339 (0.4)
Proper motion (declination) [mas/yr] -13.67822978 (0.3) -13.32148311 (0.8) -13.678 (0.3)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.34 (0.02) 19.34 (0.03) 19.37 (0.03)
g magnitude 19.37 (0.01) 19.37 (0.01) 19.32 (0.03)
r magnitude 19.60 (0.02) 19.60 (0.02) 19.61 (0.03)
i magnitude 19.86 (0.02) 19.86 (0.03) 19.92 (0.03)
z magnitude 20.13 (0.09) 20.13 (0.09) 19.95 (0.1)
G magnitude 19.48 (0.04) 19.52 19.48 (0.005)
BP magnitude 19.44 (0.04) 19.49
RP magnitude 19.64 (0.06) 19.62
Pan g magnitude 19.36 (0.008)
Pan r magnitude 19.61 (0.007)
Pan i magnitude 19.87 (0.02)
Pan z magnitude 20.26 (0.04)
Pan y magnitude 20.28 (0.2)
E(B-V) 0.010

* 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.