SDSS J161809.53+112257.3

All names: SDSS J161809.53+112257.3, SDSS J161809.53+112257.4, Gaia EDR3 4454000348604549248, Gaia DR2 4454000348604549248, Gaia DR3 4454000348604549248

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 18 09.53 (0.1) 16 18 09.53 16 18 09.53 (0.1) 16 18 09.54 (0.1) 16 18 09.53
Declination 11 22 57.33 (0.1) 11 22 57.33 11 22 57.33 (0.1) 11 22 57.35 (0.1) 11 22 57.35
Spectral type DA DA DA DA
Effective temperature [K] 65680.0 (3294) 23283.0 65796.0 (2577)
log(g) [cgs] 7.42 (0.2) 6.02 7.54 (0.1)
Mass [M] 0.5 (0.05) 0.113 0.555 (0.04)
log(Luminosity) [L] 0.95 (0.1)
Cooling age [Gyr] 0.0001
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] 0.93 (0.2) 0.67 (0.3) 0.93 (0.2)
Distance [pc] 1074.12 (245) 1498.93 (602) 1074.11 (245)
Composition H H
Proper motion (right ascension) [mas/yr] -5.878918997 (0.2) -5.921527492 (0.3) -5.879 (0.2)
Proper motion (declination) [mas/yr] -0.832151356 (0.1) -1.005770687 (0.2) -0.832 (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 17.78 (0.01) 17.78 (0.01) 17.80 (0.02)
g magnitude 18.08 (0.006) 18.08 (0.006) 18.11 (0.01)
r magnitude 18.55 (0.009) 18.55 (0.009) 18.56 (0.01)
i magnitude 18.86 (0.01) 18.86 (0.01) 18.87 (0.02)
z magnitude 19.22 (0.05) 19.22 (0.05) 19.19 (0.05)
G magnitude 18.30 (0.02) 18.34 18.30 (0.003)
BP magnitude 18.18 (0.02) 18.12
RP magnitude 18.58 (0.03) 18.58
Pan g magnitude 18.14 (0.01)
Pan r magnitude 18.53 (0.004)
Pan i magnitude 18.88 (0.008)
Pan z magnitude 19.16 (0.02)
Pan y magnitude 19.32 (0.03)
E(B-V) 0.041

* 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.