WD 1651+636

All names: SDSS J165128.82+633438.3, GALEX J165128.9+633438, Gaia DR3 1631665875411559680, [MMN2004c] WD J1651+6334, SDSS J165128.83+633438.3, Gaia EDR3 1631665875411559680, SDSS J165128.83+633438.4, [BGK2006] J165128.83+633438.2, SDSS J165128.84+633438.3, WD 1651+636, Gaia DR2 1631665875411559680, SDSS J165128.82+633438.2

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Tremblay et al. 2011 Mukadam et al. 2004 Vincent et al. 2024 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Kleinman et al. 2004 Vincent et al. 2023
Right ascension 16 51 28.84 (0.1) 16 51 28.83 16 51 28.84 (0.2) 16 51 28.84 16 51 28.82 (0.1) 16 51 28.82 16 51 28.10 16 51 28.84 16 51 28.84
Declination 63 34 38.79 (0.1) 63 34 38.44 63 34 38.77 (0.2) 63 34 38.79 63 34 38.23 (0.1) 63 34 38.24 63 34 33.96 63 34 38.32 63 34 38.32
Spectral type DA DA DA DA DA DA3.5 DA DA
Effective temperature [K] 13955.0 14940.0 (240) 14190.0 (150) 14696.0 (671) 14189.0 (148) 14681.0 (184) 14326.0 (155)
log(g) [cgs] 7.88 7.80 (0.05) 7.68 (0.03) 7.86 (0.05) 7.68 (0.03) 7.75 (0.04) 7.71 (0.03)
Mass [M] 0.543 0.51 (0.02) 0.533 (0.04) 0.494 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 0.2054 0.1549
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] 3.59 (0.1) 3.75 (0.2) 3.59 3.59 (0.1)
Distance [pc] 278.37 (9) 266.54 (14) 278.37 278.37 (9)
Composition H H
Proper motion (right ascension) [mas/yr] 6.946685777 (0.1) 6.956800211 (0.3) 6.947 (0.1) 15.3 13.0
Proper motion (declination) [mas/yr] 35.12241822 (0.1) 34.74630837 (0.4) 35.122 (0.1) 32.7 35.0
Variability NOV
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.68 (0.02) 18.68 (0.02) 18.60 (0.02) 18.59 18.59 (0.02) 18.59 (0.03)
g magnitude 18.25 (0.006) 18.21 18.25 (0.006) 18.21 (0.02) 18.21 18.21 (0.02) 18.21 (0.02)
r magnitude 18.51 (0.008) 18.52 (0.008) 18.52 (0.01) 18.52 18.51 (0.02) 18.52 (0.01)
i magnitude 18.70 (0.01) 18.70 (0.01) 18.78 (0.03) 18.78 18.79 (0.03) 18.78 (0.03)
z magnitude 19.07 (0.05) 19.07 (0.05) 18.95 (0.04) 18.97 18.94 (0.05) 18.97 (0.05)
G magnitude 18.39 (0.01) 18.44 18.39 18.39 (0.003)
BP magnitude 18.38 (0.01) 18.36
RP magnitude 18.50 (0.02) 18.48
Pan g magnitude 18.29 (0.006)
Pan r magnitude 18.53 (0.004)
Pan i magnitude 18.79 (0.008)
Pan z magnitude 19.04 (0.02)
Pan y magnitude 19.16 (0.08)
E(B-V) 0.020

* 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.