[SLH2007] J203954.88+771700.6

All names: SDSS J203954.88+771700.6, Gaia EDR3 2290670710823312512, WD 2041+771, [SLH2007] J203954.88+771700.6, Gaia DR2 2290670710823312512

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism sdss-wdms.org (29/04/2016) Simbad White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013
Right ascension 20 39 54.86 (1) 20 39 54.87 20 39 54.86 (1) 20 39 54.88 20 39 54.10 20 39 54.88
Declination 77 17 00.53 (1) 77 17 00.62 77 17 00.52 (1) 77 17 00.60 77 16 57.72 77 17 00.64
Spectral type DA+M DA+M DA dM DA+M
Effective temperature [K] 6049.0 11699.0 (3609) 9306.0 (227)
log(g) [cgs] 6.37 8.38 (0.8) 8.74 (0.3)
Mass [M] 0.07 0.85 (0.5)
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] 2.61 (1) 2.55 (1)
Distance [pc] 383.48 (217) 392.26 (227) 956.00 (99)
Composition H
Proper motion (right ascension) [mas/yr] -1.268381338 (2) -0.091133727 (3)
Proper motion (declination) [mas/yr] 10.40458071 (2) 12.16844716 (3)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS WDMS
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.80 (0.08) 21.22 24.43 20.86 (0.09)
g magnitude 20.50 (0.03) 20.91 22.50 20.57 (0.03)
r magnitude 20.38 (0.03) 20.77 21.35 20.51 (0.03)
i magnitude 19.73 (0.03) 20.16 20.68 19.87 (0.03)
z magnitude 19.12 (0.06) 19.66 20.32 19.22 (0.05)
G magnitude 20.62 (0.2) 20.59
BP magnitude 20.50 (0.2) 20.63
RP magnitude 19.34 (0.07) 19.38
Pan g magnitude 20.48 (0.02)
Pan r magnitude 20.43 (0.03)
Pan i magnitude 19.91 (0.03)
Pan z magnitude 19.31 (0.03)
Pan y magnitude 18.93 (0.03)
E(B-V) 0.164

* 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.