SDSS J122849.86+160656.7

All names: Gaia DR3 3945733265960412928, Gaia DR2 3945733265960412928, SDSS J122849.86+160656.7, GALEX J122849.9+160657, SDSS J122849.87+160656.1, Gaia EDR3 3945733265960412928, SDSS J122849.86+160656.6

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 12 28 49.87 (0.3) 12 28 49.86 12 28 49.87 (0.4) 12 28 49.86 (0.3) 12 28 49.86
Declination 16 06 55.92 (0.2) 16 06 56.67 16 06 55.95 (0.2) 16 06 56.99 (0.2) 16 06 56.68
Spectral type DA DA DA DA
Effective temperature [K] 12260.0 14334.0 (485)
log(g) [cgs] 8.88 8.88 (0.1)
Mass [M] 1.145 1.111 (0.04)
log(Luminosity) [L]
Cooling age [Gyr] 1.6040
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] 5.83 (0.3) 5.89 (0.4) 5.83 (0.3)
Distance [pc] 171.57 (9) 169.92 (12) 171.56 (9)
Composition H
Proper motion (right ascension) [mas/yr] 9.928825479 (0.3) 9.630194362 (0.8) 9.929 (0.3)
Proper motion (declination) [mas/yr] -66.70780151 (0.3) -66.73255666 (0.5) -66.708 (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 19.37 (0.03) 19.37 (0.03) 19.38 (0.04)
g magnitude 19.23 (0.01) 19.23 (0.01) 19.24 (0.02)
r magnitude 19.44 (0.01) 19.44 (0.01) 19.43 (0.02)
i magnitude 19.60 (0.02) 19.60 (0.02) 19.62 (0.02)
z magnitude 19.83 (0.07) 19.83 (0.07) 19.85 (0.07)
G magnitude 19.31 (0.03) 19.35 19.31 (0.004)
BP magnitude 19.36 (0.03) 19.32
RP magnitude 19.45 (0.06) 19.33
Pan g magnitude 19.24 (0.008)
Pan r magnitude 19.40 (0.01)
Pan i magnitude 19.63 (0.02)
Pan z magnitude 19.83 (0.01)
Pan y magnitude 19.62 (0.09)
E(B-V) 0.016

* 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.