EGGR 491

All names: Gaia EDR3 4416551742772711040, TIC 459425946, WD 1541+003, Gaia DR3 4416551742772711040, SDSSJ154338.68+001202.1, Gaia DR2 4416551742772711040, EGGR 491, UCAC4 452-057349, 2MASS J15433868+0012021, SDSS J154338.69+001202.1, SA 107-28, GALEX J154338.7+001202, SDSS J154338.68+001202.1

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Geier 2020 Gaia DR2 Stilism Harris et al. 2003 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 15 43 38.68 (0.06) 15 43 38.69 15 43 38.69 15 43 38.68 (0.08) 15 43 38.69 (0.06) 15 43 38.69 15 43 33.53
Declination 00 12 02.17 (0.05) 00 12 02.15 00 12 02.16 00 12 02.17 (0.05) 00 12 02.16 (0.05) 00 12 02.12 00 11 27.24
Spectral type sdB+MS sdB sdB SDB DC-
Effective temperature [K] 28062.0 (219)
log(g) [cgs] 5.01 (0.01)
Mass [M]
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.23 (0.07) 0.00 (0.1) 0.00 (0.1) 0.23 (0.07)
Distance [pc] 4401.20 (1354) 208333.33 (4279514) 208183.18 (4273844) 4401.41 (1354)
Composition
Proper motion (right ascension) [mas/yr] -4.985035838 (0.08) -4.607 (0.2) -4.607356181 (0.2) -4.985 (0.08) -2.3
Proper motion (declination) [mas/yr] 0.916955318 (0.06) 1.044 (0.1) 1.043930916 (0.1) 0.917 (0.06) -0.2
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 17.19 (0.4)
V magnitude 16.75 (0.5)
R magnitude 16.49
I magnitude
J magnitude 16.71 (0.1) 16.71 (0.1)
H magnitude 16.26 (0.2) 16.26 (0.2)
K magnitude 15.44 16.20 (0.03)
u magnitude 16.70 (0.006) 16.70 (0.006) 16.73 16.70 (0.006) 16.72 (0.02) 16.74
g magnitude 16.73 (0.004) 16.73 (0.004) 16.76 16.73 (0.004) 16.75 (0.01) 16.76
r magnitude 17.02 (0.005) 17.02 (0.005) 17.04 17.02 (0.005) 17.04 (0.01) 17.04
i magnitude 17.17 (0.005) 17.17 (0.005) 17.16 17.17 (0.005) 17.16 (0.01) 17.16
z magnitude 17.32 (0.01) 17.32 (0.01) 17.29 17.32 (0.01) 17.31 (0.02) 17.29
G magnitude 16.88 (0.006) 16.90 (0.002) 16.90 16.88 (0.003)
BP magnitude 16.85 (0.006) 16.83 (0.01) 16.83
RP magnitude 16.89 (0.006) 16.88 (0.007) 16.88
Pan g magnitude 16.81 (0.004) 16.81 (0.004)
Pan r magnitude 17.04 (0.003) 17.04 (0.003)
Pan i magnitude 17.21 (0.004) 17.21 (0.004)
Pan z magnitude 17.30 (0.007) 17.30 (0.007)
Pan y magnitude 17.34 (0.01) 17.34 (0.01)
E(B-V) 0.075

* 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.