WD J0102-0032

All names: SDSS J010207.24-003259.7, Gaia DR3 2536148746287884160, Gaia EDR3 2536148746287884160, WD 0059-008, SDSS J010207.17-003259.4, Gaia DR2 2536148746287884160, SDSS J010207.17-003259.5, LP 586-51

Parameter Unit Gaia EDR3 Pan-STARRS DR1 MWDD H Gaia DR2 Stilism Hermes 2016 Tremblay et al. 2011 Mukadam et al. 2006 Bergeron et al. 2005 Mukadam et al. 2004 Vincent et al. 2024 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 01 02 07.57 (0.1) 01 02 07.56 (0.2) 01 02 07.57 01 02 07.25 01 02 06.55 01 02 07.17 01 02 07.17
Declination -00 33 01.55 (0.1) -00 33 01.49 (0.1) -00 33 01.55 -00 32 59.79 -00 32 58.92 -00 32 59.46 -00 32 59.46
Spectral type DA DA DA DAV DA DA DA DA
Effective temperature [K] 10331.0 10850.0 11110.0 (170) 10850.0 10210.0 (600) 10850.0 10483.0 (305) 11050.0 11048.0 (97) 11024.0 (106) 11065.0 (100)
log(g) [cgs] 7.92 8.18 8.37 (0.09) 8.18 8.00 (0) 8.18 7.83 (0.06) 8.24 8.24 (0.08) 8.26 (0.08) 8.24 (0.08)
Mass [M☉] 0.553 0.83 (0.06) 0.6 0.507 (0.04) 0.755 (0.05)
log(Luminosity) [L☉]
Cooling age [Gyr] 0.4982 0.8128 0.5700
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] 5.26 (0.2) 5.54 (0.2) 5.26
Distance [pc] 189.95 (6) 180.57 (7) 164.00 189.95
Composition H H H
Proper motion (right ascension) [mas/yr] 346.5450255 (0.2) 346.8293855 (0.4) 343.8 325.0
Proper motion (declination) [mas/yr] -124.1434477 (0.2) -123.7763602 (0.3) -122.9 -118.0
Variability VAR VAR VAR VAR
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 18.40
V magnitude 18.20 18.20 18.18 18.20 18.21
R magnitude 18.18
I magnitude 18.07
J magnitude 18.27 (0.1)
H magnitude 18.30 (0.1)
K magnitude
u magnitude 18.50 (0.02) 18.64 (0) 18.64 (0.03)
g magnitude 18.18 (0.04) 18.21 18.21 (0.04)
r magnitude 18.25 (0.02) 18.25 (0) 18.25 (0.01)
i magnitude 18.38 (0.02) 18.43 (0) 18.43 (0.02)
z magnitude 18.64 (0.04) 18.64 (0) 18.64 (0.04)
G magnitude 18.20 (0.02) 18.21 18.20
BP magnitude 18.25 (0.02) 18.23
RP magnitude 18.10 (0.03) 18.10
Pan g magnitude 18.20 (0.01)
Pan r magnitude 18.32 (0.002)
Pan i magnitude 18.49 (0.006)
Pan z magnitude 18.67 (0.02)
Pan y magnitude 18.75 (0.02)
E(B-V) 0.011
Period #1 [s] 796.1 752.2 830.3
Amplitude #1 [mma] 75.1 19.4 29.2
Period #2 [s] 830.3 926.1
Amplitude #2 [mma] 35.1 37.2
Period #3 [s] 926.3
Amplitude #3 [mma] 34.7
Period #4 [s] 1043.4
Amplitude #4 [mma] 15.3

* 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.