SDSS J152948.21+172944.6

All names: Gaia DR3 1207992331190550528, SDSS J152948.20+172944.5, SDSS J152948.21+172944.6, GALEX J152948.3+172943, SDSS J152948.21+172944.5, Gaia EDR3 1207992331190550528, Gaia DR2 1207992331190550528

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 15 29 48.20 (0.3) 15 29 48.21 15 29 48.21 (0.4) 15 29 48.21 (0.3) 15 29 48.21
Declination 17 29 44.79 (0.3) 17 29 44.56 17 29 44.78 (0.4) 17 29 44.55 (0.3) 17 29 44.56
Spectral type DA DA DA DA
Effective temperature [K] 13999.0 17765.0 (495)
log(g) [cgs] 8.12 7.81 (0.1)
Mass [M] 0.685 0.526 (0.05)
log(Luminosity) [L]
Cooling age [Gyr] 0.2932
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] 2.64 (0.3) 2.54 (0.6) 2.64 (0.3)
Distance [pc] 378.65 (49) 393.80 (86) 378.64 (49)
Composition H
Proper motion (right ascension) [mas/yr] -8.328378604 (0.4) -8.891485208 (0.8) -8.328 (0.4)
Proper motion (declination) [mas/yr] 15.08632631 (0.3) 15.18215014 (1) 15.086 (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 19.58 (0.03) 19.58 (0.03) 19.61 (0.03)
g magnitude 19.46 (0.01) 19.46 (0.01) 19.47 (0.02)
r magnitude 19.74 (0.02) 19.74 (0.02) 19.74 (0.02)
i magnitude 19.99 (0.02) 20.00 (0.02) 19.99 (0.03)
z magnitude 20.28 (0.1) 20.28 (0.1) 20.26 (0.1)
G magnitude 19.60 (0.04) 19.63 19.60 (0.005)
BP magnitude 19.57 (0.04) 19.62
RP magnitude 19.80 (0.09) 19.78
Pan g magnitude 19.47 (0.009)
Pan r magnitude 19.75 (0.01)
Pan i magnitude 20.02 (0.02)
Pan z magnitude 20.25 (0.02)
Pan y magnitude 20.27 (0.03)
E(B-V) 0.044

* 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.