WD 0232-097.1

All names: SDSS J023520.02-093456.3, Gaia DR2 5175397624169506304, WD 0232-097.1, Gaia DR3 5175397624169506304, Gaia EDR3 5175397624169506304, GALEX J023520.0-093456, SDSS J023520.01-093456.3, 6dFGS gJ023519.9-093456, SDSS J023520.01-093456.2

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Bedard et al. 2020 Gaia DR2 Stilism Tremblay et al. 2011 Kurtz et al. 2008 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 02 35 20.03 (0.1) 02 35 20.01 02 35 20.03 (0.2) 02 35 20.03 02 35 20.02 (0.1) 02 35 20.01 02 35 19.63 02 35 20.02 02 35 20.02
Declination -09 34 56.60 (0.1) -09 34 56.21 -09 34 56.60 (0.2) -09 34 56.60 -09 34 56.36 (0.1) -09 34 56.21 -09 34 49.80 -09 34 56.34 -09 34 56.35
Spectral type DA DA DA DA DA DA1.7 DA DA
Effective temperature [K] 30805.0 (283) 31090.0 (300) 30110.0 29886.0 (2141) 30108.0 (252) 30713.0 (225) 30325.0 (255)
log(g) [cgs] 7.25 (0.07) 7.25 (0.07) 7.30 7.33 (0.1) 7.30 (0.05) 7.34 (0.05) 7.36 (0.05)
Mass [M] 0.36 (0.02) 0.4 (0.01) 0.378 (0.04) 0.443 (0.01)
log(Luminosity) [L] -0.35 (0.05)
Cooling age [Gyr] 0.0006 (0.0003) 0.0158
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] 1.59 (0.1) 1.80 (0.2) 1.59 1.59 (0.1)
Distance [pc] 629.52 (57) 556.91 (66) 629.52 629.52 (57)
Composition H H
Proper motion (right ascension) [mas/yr] 7.942724925 (0.1) 7.647959627 (0.3) 7.943 (0.1) -2.1 -4.0
Proper motion (declination) [mas/yr] -14.91302217 (0.1) -15.00839298 (0.3) -14.913 (0.1) -11.0 -12.0
Variability VAR
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 18.58
V magnitude 17.80
R magnitude 18.33
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 17.61 (0.01) 17.61 (0.01) 17.62 (0.01) 17.63 17.61 (0.01) 17.63 (0.01)
g magnitude 17.76 (0.006) 17.76 (0.006) 17.80 (0.03) 17.78 17.79 (0.03) 17.78 (0.03)
r magnitude 18.22 (0.008) 18.22 (0.008) 18.22 (0.02) 18.23 18.21 (0.02) 18.23 (0.02)
i magnitude 18.51 (0.01) 18.51 (0.01) 18.50 (0.03) 18.50 18.48 (0.03) 18.50 (0.03)
z magnitude 18.95 (0.06) 18.95 (0.06) 18.96 (0.06) 18.95 18.94 (0.05) 18.95 (0.06)
G magnitude 17.99 (0.01) 18.03 17.99 17.99 (0.004)
BP magnitude 17.88 (0.01) 17.81
RP magnitude 18.23 (0.03) 18.22
Pan g magnitude 17.85 (0.007)
Pan r magnitude 18.20 (0.01)
Pan i magnitude 18.52 (0.01)
Pan z magnitude 18.71 (0.02)
Pan y magnitude 18.90 (0.06)
E(B-V) 0.024
Period #1 [s] 705.0
Amplitude #1 [mma] 15.6

* 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.