WD 0939-153

All names: USNO-B1.0 0744-00224349, WD0939-153, Gaia DR2 5685624040829463552, WDJ094156.22-153214.49, WD 0939-153, Gaia DR3 5685624040829463552, 2MASS J09415622-1532144, Gaia EDR3 5685624040829463552, EC 09395-1518, TIC 410007055

Parameter Unit Gaia EDR3 Pan-STARRS DR1 MWDD H Gaia DR2 Stilism Gianninas et al. 2011 Koester et al. 2009 Koester et al. 2001 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 09 41 56.20 (0.04) 09 41 56.20 (0.06) 09 41 56.20 09 41 56.20 09 41 56.22 (0.04) 09 41 56.20 09 41 56.21
Declination -15 32 14.25 (0.04) -15 32 14.25 (0.06) -15 32 15.00 -15 32 14.25 -15 32 14.49 (0.04) -15 32 14.25 -15 32 12.84
Spectral type DA DA DA DA DA3.7 DA4
Effective temperature [K] 13424.0 13760.0 (340) 13500.0 (58) 13160.0 (122) 13980.0 (154)
log(g) [cgs] 7.88 7.98 (0.05) 7.79 (0.007) 7.70 (0.01) 7.93 (0.01)
Mass [M] 0.541 0.6 (0.03) 0.45 0.57 (0.009)
log(Luminosity) [L]
Cooling age [Gyr] 0.2307
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] 11.81 (0.04) 11.70 (0.07) 11.81 11.81 (0.04) 11.70 (0.07)
Distance [pc] 84.71 (0.3) 85.45 (0.5) 80.00 84.71 84.71 (0.3) 85.45 (0.5)
Composition H H
Proper motion (right ascension) [mas/yr] -18.92037239 (0.05) -18.67888833 (0.1) -18.92 (0.05) -18.67888833
Proper motion (declination) [mas/yr] 15.30250384 (0.04) 15.31363756 (0.1) 15.303 (0.04) 15.31363756
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.05
V magnitude 15.92 15.92 15.92
R magnitude
I magnitude
J magnitude 16.31 (0.1)
H magnitude 16.03 (0.2)
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 15.99 (0.003) 16.01 15.99 15.99 (0.003) 16.01
BP magnitude 15.97 (0.003) 15.97 15.97
RP magnitude 16.07 (0.004) 16.08 16.08
Pan g magnitude 15.89 (0.002)
Pan r magnitude 16.13 (0.003)
Pan i magnitude 16.38 (0.004)
Pan z magnitude 16.61 (0.002)
Pan y magnitude 16.77 (0.004)
E(B-V) 0.001

* 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.