SDSS J160740.78+182023.6

All names: SDSS J160740.78+182023.6, Gaia DR2 1200071861740825984, GALEX J160740.7+182024, Gaia EDR3 1200071861740825984, SDSS J160740.77+182023.5, Gaia DR3 1200071861740825984

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 16 07 40.78 (0.5) 16 07 40.78 16 07 40.78 (0.8) 16 07 40.78 (0.5) 16 07 40.78
Declination 18 20 23.56 (0.5) 18 20 23.59 18 20 23.56 (0.6) 18 20 23.51 (0.5) 18 20 23.58
Spectral type DA DA DA DA+MS
Effective temperature [K] 10485.0 13166.0 (973)
log(g) [cgs] 6.75 8.41 (0.3)
Mass [M] 0.179 0.852 (0.2)
log(Luminosity) [L]
Cooling age [Gyr]
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] 1.41 (0.7) 0.90 (1) 1.41 (0.7)
Distance [pc] 707.09 (333) 1116.46 (1262) 707.11 (333)
Composition H
Proper motion (right ascension) [mas/yr] -1.170792635 (0.6) -0.534955725 (1) -1.171 (0.6)
Proper motion (declination) [mas/yr] 3.127540523 (0.7) 3.957020502 (1) 3.128 (0.7)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.82 (0.07) 20.83 (0.09) 20.83 (0.09)
g magnitude 20.36 (0.02) 20.36 (0.02) 20.36 (0.02)
r magnitude 20.57 (0.03) 20.56 (0.03) 20.56 (0.03)
i magnitude 20.80 (0.05) 20.78 (0.05) 20.78 (0.05)
z magnitude 21.14 (0.3) 21.22 (0.3) 21.22 (0.3)
G magnitude 20.45 (0.1) 20.50 20.45 (0.008)
BP magnitude 20.54 (0.1) 20.55
RP magnitude 20.23 (0.1) 20.41
Pan g magnitude 20.36 (0.02)
Pan r magnitude 20.61 (0.02)
Pan i magnitude 20.75 (0.02)
Pan z magnitude 20.87 (0.06)
Pan y magnitude 20.84 (0.2)
E(B-V) 0.050

* 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.