WD 0148+641

All names: SDSS J015151.35+642551.5, PM J01518+6425, Gaia DR2 518201792978858880, USNO-B1.0 1544-00054671, IDS 01446+6356 B, G 244-36, ** GIC 27B, Gaia EDR3 518201792978858880, EGGR 268, WD 0148+641, Gaia DR3 518201792978858880, SDSS J015151.35+642551.4, WD 0148+64, GJ 3118, G244-36, WDJ015151.14+642552.55, CCDM J01518+6426B, CNS5 479, WDS J01519+6426B, NLTT 6165, LSPM J0151+6425, 01518+6425, J0151+6425

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 O'Brien et al. 2024 Caron et al. 2023 Kilic et al. 2020 McCleery et al. 2020 Gaia DR2 Bedard et al. 2017 Subasavage et al. 2017 Tremblay et al. 2017 Stilism Holberg et al. 2016 Limoges et al. 2015 Sion et al. 2014 Giammichele et al. 2012 Gianninas et al. 2011 Holberg et al. 2008 Zuckerman et al. 2003 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 01 51 51.69 (0.01) 01 51 51.68 (0.01) 01 51 51.68 (0.01) 01 51 51.26 01 51 51.12 01 51 51.69 01 51 51.14 (0.01) 01 51 51.68 01 51 49.90
Declination 64 25 49.32 (0.01) 64 25 49.42 (0.02) 64 25 49.42 (0.02) 64 25 05.07 64 25 51.60 64 25 49.32 64 25 52.55 (0.01) 64 25 49.42 64 26 00.60
Spectral type DA DA DA DA DA DA DA DA DA DA DA5.6 DA DA DA DA DA5.6 DA6
Effective temperature [K] 8730.0 (30) 8794.0 (71) 8561.0 (30) 8730.0 (30) 8800.8 (27) 8879.0 (127) 8660.0 (390) 9000.0 (130) 8963.0 (129) 8880.0 (126) 9016.0 9016.0 (129) 9020.0 (129) 6100.0 8550.0 (23)
log(g) [cgs] 8.09 (0.005) 8.10 (0.02) 8.06 (0.006) 8.09 (0.006) 8.10 (0.008) 8.20 (0.05) 8.05 (0.08) 8.14 (0.05) 7.84 (0.05) 8.20 (0.05) 8.11 (0.05) 8.41 (0.05) 8.00 8.05 (0.005)
Mass [M] 0.654 (0.005) 0.657 (0.01) 0.631 (0.005) 0.653 (0.005) 0.63 (0.07) 0.52 (0.02) 0.72 (0.03) 0.66 (0.03) 0.86 (0.03) 0.625 (0.004)
log(Luminosity) [L] -3.11 (0.09) -3.16 -3.08
Cooling age [Gyr] 1.0100 0.9400 (0.2) 0.6900 0.9300
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H) <-12.078
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] 57.80 (0.02) 57.80 (0.02) 57.77 (0.02) 57.77 (0.02) 57.77 (0.02) 58.02 (0.3) 57.63 (0.5) 57.80 57.80 (0.02) 57.77 (0.02)
Distance [pc] 17.30 (0.005) 17.30 (0.006) 17.31 (0.006) 17.31 (0.007) 17.31 (0.007) 17.40 (0.2) 17.24 (0.09) 17.35 (0.2) 16.99 (0.2) 16.20 (0.9) 17.00 17.80 (0.7) 14.00 17.30 17.30 (0.005) 17.31 (0.007)
Composition H H H H H H H H H
Proper motion (right ascension) [mas/yr] 224.8062116 (0.01) 224.816388 (0.03) 224.806 (0.01) 224.816388
Proper motion (declination) [mas/yr] -201.5751988 (0.01) -201.5190252 (0.03) -201.575 (0.01) -201.5190252
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS WDMS DDU
B magnitude 14.20 13.60
V magnitude 13.98 14.00 (0.05) 13.99 14.00
R magnitude 13.84 12.80
I magnitude 13.67
J magnitude
H magnitude
K magnitude
u magnitude 14.85 (0.03) 14.85 (0.005) 14.85 (0.005)
g magnitude 14.36 (0.004) 14.36 (0.004)
r magnitude 16.38 (0.02) 16.38 (0.02)
i magnitude 14.44 (0.005) 14.44 (0.005)
z magnitude 14.56 (0.005) 14.56 (0.005)
G magnitude 13.95 (0.0003) 13.96 13.96 13.94 (0.001) 13.95 13.95 (0.003) 13.96
BP magnitude 14.04 (0.0005) 14.04 14.04
RP magnitude 13.77 (0.001) 13.78 13.78
Pan g magnitude 14.04 (0.003) 14.04 (0.004)
Pan r magnitude 14.03 (0.001) 14.03 (0.001)
Pan i magnitude 14.16 (0.005) 14.16 (0.005)
Pan z magnitude 14.22 (0.002) 14.22 (0.002)
Pan y magnitude 14.26 (0.008) 14.26 (0.007)
E(B-V) 0.000

* 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.