WD 0949+451

All names: ** FAR 34A, Gaia DR2 820542992117501952, HS 0949+4508, GALEX J095221.8+445430, Gaia EDR3 820542992117501952, SDSS J095221.85+445430.3, WDJ095221.85+445430.21, WD 0949+451, WDS J09524+4454A, Gaia DR3 820542992117501952, J0952+4454

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 Caron et al. 2023 Kilic et al. 2020 MWDD H Gaia DR2 Stilism Gianninas et al. 2011 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 09 52 21.84 (0.03) 09 52 21.84 (0.05) 09 52 21.84 09 52 21.85 (0.03) 09 52 21.84 09 52 21.46
Declination 44 54 30.98 (0.02) 44 54 30.95 (0.05) 44 54 30.98 44 54 30.21 (0.02) 44 54 30.95 44 53 29.04
Spectral type DA+dM DA+dM DA+dM DA DA DA DA3.3 DA
Effective temperature [K] 10743.0 (96) 10972.0 (111) 10360.0 (81) 10167.0 15160.0 (283) 10768.0 (81)
log(g) [cgs] 8.00 (0.01) 8.04 (0.01) 7.92 (0.01) 7.89 7.74 (0.06) 7.99 (0.01)
Mass [M] 0.602 (0.01) 0.625 (0.01) 0.554 (0.01) 0.536 0.47 (0.03) 0.596 (0.009)
log(Luminosity) [L]
Cooling age [Gyr] 0.5200 0.5010
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] 16.08 (0.04) 16.05 (0.09) 16.05 (0.09) 16.08 16.08 (0.04) 16.05 (0.09)
Distance [pc] 62.19 (0.2) 62.31 (0.3) 62.30 (0.4) 95.00 62.19 62.19 (0.2) 62.30 (0.4)
Composition H H H H
Proper motion (right ascension) [mas/yr] -9.835342167 (0.04) -10.01437503 (0.1) -9.835 (0.04) -10.01437503
Proper motion (declination) [mas/yr] 48.06984379 (0.03) 47.95841456 (0.1) 48.07 (0.03) 47.95841456
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity yes
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 16.29 (0.006) 16.28 (0.006) 16.31 (0.006)
g magnitude 15.85 (0.004) 15.86 (0.003)
r magnitude 16.00 (0.004) 16.03 (0.004)
i magnitude 16.17 (0.005) 16.26 (0.004)
z magnitude 16.52 (0.01) 16.52 (0.01)
G magnitude 15.91 (0.005) 15.93 15.91 15.91 (0.003) 15.93
BP magnitude 15.94 (0.005) 15.94 15.94
RP magnitude 15.80 (0.009) 15.84 15.84
Pan g magnitude 15.89 (0.006) 15.89 (0.006)
Pan r magnitude 16.03 (0.006) 16.03 (0.006)
Pan i magnitude 16.20 (0.005) 16.20 (0.005)
Pan z magnitude 16.36 (0.007) 16.36 (0.007)
Pan y magnitude 16.40 (0.01) 16.40 (0.01)
E(B-V) 0.002

* 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.