SDSS J072844.06+154322.0

All names: SDSS J072844.06+154322.0, Gaia DR3 3168613707469351808, Gaia DR2 3168613707469351808, Gaia EDR3 3168613707469351808

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Vincent et al. 2024 Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 07 28 44.02 (0.1) 07 28 44.06 07 28 44.02 (0.1) 07 28 44.02 07 28 44.10 (0.1) 07 28 44.06
Declination 15 43 22.11 (0.09) 15 43 22.01 15 43 22.10 (0.1) 15 43 22.11 15 43 22.04 (0.09) 15 43 22.05
Spectral type DA DA DA DA DA
Effective temperature [K] 12964.0 13495.0 (422) 32727.0 (85)
log(g) [cgs] 8.05 8.05 (0.03) 6.50 (0.002)
Mass [M] 0.636 0.641 (0.03) 0.245 (0)
log(Luminosity) [L]
Cooling age [Gyr] 0.3240
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] 6.42 (0.1) 6.61 (0.2) 6.42 6.42 (0.1)
Distance [pc] 155.70 (2) 151.29 (4) 155.70 155.70 (2)
Composition H
Proper motion (right ascension) [mas/yr] -70.85516477 (0.1) -71.00997402 (0.2) -70.855 (0.1)
Proper motion (declination) [mas/yr] 4.383146945 (0.09) 4.628411851 (0.2) 4.383 (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 17.80 (0.01) 17.80 (0.01) 17.82 (0.02)
g magnitude 17.42 (0.005) 17.42 (0.005) 17.43 (0.01)
r magnitude 17.67 (0.006) 17.67 (0.006) 17.68 (0.01)
i magnitude 17.88 (0.008) 17.88 (0.008) 17.88 (0.01)
z magnitude 18.15 (0.02) 18.15 (0.02) 18.16 (0.03)
G magnitude 17.53 (0.007) 17.56 17.53 17.53 (0.003)
BP magnitude 17.54 (0.007) 17.53
RP magnitude 17.63 (0.01) 17.60
Pan g magnitude 17.44 (0.004)
Pan r magnitude 17.66 (0.003)
Pan i magnitude 17.91 (0.003)
Pan z magnitude 18.12 (0.01)
Pan y magnitude 18.27 (0.02)
E(B-V) 0.006

* 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.