WD 1102-183

All names: GALEX J110447.0-183713, Gaia DR2 3552845261339955200, SDSS J110446.94-183713.4, Gaia DR3 3552845261339955200, WD 1102-183, USNO-B1.0 0713-00233303, SDSS J110446.93-183713.4, SDSS J110446.94-183713.3, J1104-1837, WDJ110446.88-183713.12, EC 11023-1821, Gaia EDR3 3552845261339955200, WD1102-183

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 O'Brien et al. 2024 Caron et al. 2023 Kilic et al. 2020 MWDD H Gaia DR2 Stilism Gianninas et al. 2011 Koester et al. 2009 Farihi et al. 2008 Zuckerman et al. 2003 Koester et al. 2001 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 11 04 47.02 (0.03) 11 04 47.02 (0.04) 11 04 47.10 11 04 47.02 11 04 46.88 (0.03) 11 04 47.02 11 04 46.30
Declination -18 37 13.94 (0.03) -18 37 13.92 (0.04) -18 37 15.00 -18 37 13.94 -18 37 13.12 (0.03) -18 37 13.92 -18 37 12.00
Spectral type DA DA DA DA DA DA DAZ DA DA DA6.1 DA5
Effective temperature [K] 8036.0 (49) 8125.0 (82) 8188.0 (31) 8038.0 (50) 8000.0 8290.0 (124) 8057.0 (8) 8060.0 8026.0 8355.0 (14) 8031.0 (45)
log(g) [cgs] 7.99 (0.009) 8.01 (0.03) 8.03 (0.006) 7.99 (0.01) 7.98 8.19 (0.07) 7.85 (0.01) 8.00 8.10 (0.02) 7.99 (0.01)
Mass [M] 0.59 (0.008) 0.603 (0.02) 0.612 (0.006) 0.587 (0.008) 0.581 0.72 (0.05) 0.66 0.59 (0.008)
log(Luminosity) [L]
Cooling age [Gyr] 1.0900 1.0410
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H) -10.43 -10.429
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] 25.08 (0.04) 25.08 (0.04) 24.99 (0.06) 24.99 (0.06) 25.08 25.08 (0.04) 24.99 (0.06)
Distance [pc] 39.88 (0.07) 39.87 (0.06) 40.02 (0.1) 40.02 (0.1) 36.00 39.88 39.88 (0.07) 40.02 (0.1)
Composition H H H H H
Proper motion (right ascension) [mas/yr] 125.6639715 (0.05) 125.5347301 (0.1) 125.664 (0.04) 125.5347301
Proper motion (declination) [mas/yr] -51.25963048 (0.04) -51.21377342 (0.08) -51.26 (0.04) -51.21377342
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.25
V magnitude 15.99 15.99 15.99 15.99
R magnitude 15.60
I magnitude
J magnitude 15.51 (0.004)
H magnitude 15.29 (0.1)
K magnitude 15.38 (0.02)
u magnitude 16.43 (0.007) 16.44 (0.007) 16.44 (0.007)
g magnitude 16.00 (0.003) 16.00 (0.003)
r magnitude 15.96 (0.004) 15.96 (0.004)
i magnitude 15.97 (0.005) 15.97 (0.005)
z magnitude 16.07 (0.007) 16.07 (0.007)
G magnitude 15.91 (0.003) 15.93 15.91 15.91 (0.003) 15.93
BP magnitude 16.04 (0.003) 16.04 16.04
RP magnitude 15.69 (0.003) 15.69 15.69
Pan g magnitude 16.03 (0.006) 16.03 (0.005)
Pan r magnitude 15.97 (0.004) 15.97 (0.004)
Pan i magnitude 16.01 (0.002) 16.01 (0.001)
Pan z magnitude 16.09 (0.01) 16.09 (0.01)
Pan y magnitude 16.17 (0.02) 16.17 (0.02)
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.