WD 1104+044

All names: WD 1104+044, LP 551-66, LSPM J1107+0409N, WDS J11071+0410B, Gaia DR2 3815204747364562944, NLTT 26332, GALEX J110704.8+040909, Gaia EDR3 3815204747364562944, Gaia DR3 3815204747363852032, EPIC 201730127, Gaia DR2 3815204747363852032, ** LDS 4061B, LP 551-67

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Gaia DR2 Stilism Gianninas et al. 2011 Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999)
Right ascension 11 07 04.74 (0.07) 11 07 04.74 (0.1) 11 07 04.77 11 07 04.77 (0.07) 11 07 04.92
Declination 04 09 04.36 (0.07) 04 09 04.46 (0.09) 04 09 07.39 04 09 10.83 (0.07) 04 08 45.60
Spectral type DA DA DA2.3 DA
Effective temperature [K] 21750.0 (424) 22172.0 (1175)
log(g) [cgs] 7.91 (0.06) 7.86 (0.05)
Mass [M] 0.58 (0.03) 0.556 (0.04)
log(Luminosity) [L]
Cooling age [Gyr]
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] 4.52 (0.08) 4.48 (0.1) 4.53 4.53 (0.09)
Distance [pc] 221.39 (4) 223.46 (6) 101.00 220.62 220.62 (4)
Composition H
Proper motion (right ascension) [mas/yr] 4.511516392 (0.09) 4.302828065 (0.2) 5.045 (0.09)
Proper motion (declination) [mas/yr] -214.7736495 (0.08) -214.8638969 (0.2) -214.768 (0.08)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 16.98 (0.02) 17.00 17.13 17.13 (0.003)
BP magnitude 18.41 (0.02) 18.35
RP magnitude 15.80 (0.003) 15.80
Pan g magnitude 17.00 (0.002)
Pan r magnitude 17.31 (0.003)
Pan i magnitude 17.65 (0.003)
Pan z magnitude 17.87 (0.009)
Pan y magnitude 18.03 (0.01)
E(B-V) 0.021

* 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.