WD 0046+150

All names: SDSS J004855.16+152148.7, Gaia DR2 2781124708664855040, USNO-A2.0 1050-00234147, SDSS J004855.18+152148.8, WD 0046+150, Gaia DR3 2781124708664855040, EQ J0048+1521, SDSS J004855.17+152148.7, 0046+150, SDSS J004855.17+152148.8, Gaia EDR3 2781124708664855040, GALEX J004855.2+152149

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Romero et al. 2013 Tremblay et al. 2011 Mullally et al. 2005 Vincent et al. 2024 Simbad White Dwarf Research Corporation Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Kleinman et al. 2004 Vincent et al. 2023
Right ascension 00 48 55.22 (0.2) 00 48 55.17 00 48 55.22 (0.3) 00 48 55.22 00 48 55.17 (0.2) 00 48 55.17 00 48 54.50 00 48 55.17 00 48 55.18
Declination 15 21 48.68 (0.2) 15 21 48.75 15 21 48.69 (0.2) 15 21 48.68 15 21 48.71 (0.2) 15 21 48.74 15 21 44.64 15 21 48.76 15 21 48.78
Spectral type DA DA DA DA DAV DA DA4.5 DA DA
Effective temperature [K] 11059.0 11280.0 11600.0 (220) 11280.0 11758.0 (518) 11290.0 11290.0 (116) 11260.0 (131) 11316.0 (117)
log(g) [cgs] 8.46 8.17 8.30 (0.08) 8.17 8.36 (0.07) 8.23 8.23 (0.08) 8.33 (0.07) 8.26 (0.08)
Mass [M] 0.892 0.79 (0.05) 0.832 (0.06) 0.799 (0.04)
log(Luminosity) [L]
Cooling age [Gyr] 0.9245 0.6761
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] 5.27 (0.2) 5.94 (0.4) 5.27 5.27 (0.2)
Distance [pc] 189.65 (9) 168.45 (12) 189.65 189.65 (9)
Composition H H
Proper motion (right ascension) [mas/yr] 46.07595068 (0.3) 46.40002931 (0.9) 46.076 (0.3) 12.9 11.0
Proper motion (declination) [mas/yr] -1.658453729 (0.2) -1.296689541 (0.4) -1.658 (0.2) -55.8 -53.0
Variability VAR VAR VAR
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 17.80 (0.3)
V magnitude 18.70 18.70 18.68
R magnitude 18.20 (0.3)
I magnitude
J magnitude 18.74 (0.09)
H magnitude
K magnitude
u magnitude 19.05 (0.02) 19.05 (0.02) 19.08 (0.02) 19.07 19.09 (0.02) 19.07 (0.03)
g magnitude 18.68 (0.008) 18.68 (0.008) 18.68 (0.02) 18.68 18.69 (0.02) 18.68 (0.02)
r magnitude 18.81 (0.01) 18.81 (0.01) 18.79 (0.02) 18.79 18.79 (0.02) 18.79 (0.02)
i magnitude 18.97 (0.01) 18.97 (0.01) 18.95 (0.02) 18.96 18.96 (0.02) 18.96 (0.03)
z magnitude 19.23 (0.05) 19.23 (0.05) 19.22 (0.05) 19.24 19.23 (0.05) 19.24 (0.05)
G magnitude 18.71 (0.03) 18.74 18.71 18.71 (0.004)
BP magnitude 18.69 (0.03) 18.70
RP magnitude 18.70 (0.04) 18.82
Pan g magnitude 18.69 (0.01)
Pan r magnitude 18.83 (0.02)
Pan i magnitude 18.99 (0.01)
Pan z magnitude 19.19 (0.02)
Pan y magnitude 19.30 (0.2)
E(B-V) 0.015
Period #1 [s] 323.1 615.3
Amplitude #1 [mma] 14.8 24.8
Period #2 [s] 333.2
Amplitude #2 [mma] 8.6
Period #3 [s] 609.8
Amplitude #3 [mma] 22.1
Period #4 [s] 636.4
Amplitude #4 [mma] 8.7
Period #5 [s] 672.3
Amplitude #5 [mma] 8.5
Period #6 [s] 698.4
Amplitude #6 [mma] 18.3

* 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.