SDSS J165041.52+121544.1

All names: SDSS J165041.52+121544.0, SDSS J165041.51+121544.0, Gaia EDR3 4448686413204060416, Gaia DR3 4448686413204060416, GALEX J165041.5+121544, Gaia DR2 4448686413204060416, SDSS J165041.52+121544.1

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Bedard et al. 2020 MWDD H Gaia DR2 Stilism Simbad Kleinman et al. 2013
Right ascension 16 50 41.51 (0.1) 16 50 41.52 16 50 41.51 (0.2) 16 50 41.52 (0.1) 16 50 41.52
Declination 12 15 43.81 (0.1) 12 15 44.07 12 15 43.82 (0.2) 12 15 44.06 (0.1) 12 15 44.07
Spectral type DA DA DA DA
Effective temperature [K] 31430.0 (1115) 25214.0
log(g) [cgs] 7.89 (0.3) 7.68
Mass [M☉] 0.59 (0.1) 0.48
log(Luminosity) [L☉] -0.74 (0.2)
Cooling age [Gyr] 0.0076 (0.002) 0.0161
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] 1.73 (0.2) 1.83 (0.2) 1.73 (0.2)
Distance [pc] 579.51 (61) 545.41 (66) 579.51 (61)
Composition H H
Proper motion (right ascension) [mas/yr] -4.649578279 (0.2) -4.22025809 (0.4) -4.65 (0.2)
Proper motion (declination) [mas/yr] -15.62074633 (0.2) -15.18018335 (0.4) -15.621 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.11 (0.01) 18.11 (0.01) 18.13 (0.02)
g magnitude 18.29 (0.007) 18.29 (0.007) 18.32 (0.01)
r magnitude 18.75 (0.01) 18.75 (0.01) 18.74 (0.01)
i magnitude 19.10 (0.02) 19.10 (0.01) 19.10 (0.02)
z magnitude 19.52 (0.08) 19.52 (0.08) 19.52 (0.07)
G magnitude 18.53 (0.02) 18.56 18.53 (0.003)
BP magnitude 18.44 (0.02) 18.35
RP magnitude 18.84 (0.04) 18.80
Pan g magnitude 18.35 (0.007)
Pan r magnitude 18.77 (0.007)
Pan i magnitude 19.11 (0.007)
Pan z magnitude 19.38 (0.02)
Pan y magnitude 19.59 (0.05)
E(B-V) 0.058

* 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.