SDSS J084111.34+154921.0

All names: Gaia EDR3 657726721864480000, GALEX J084111.4+154920, Gaia DR2 657726721864480000, Gaia DR3 657726721864480000, SDSS J084111.34+154921.0

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Hardy et al. 2023a MWDD H Gaia DR2 Stilism Simbad Kleinman et al. 2013
Right ascension 08 41 11.34 (1) 08 41 11.35 08 41 11.34 (1) 08 41 11.34 (1) 08 41 11.34
Declination 15 49 20.95 (0.5) 15 49 21.00 15 49 20.95 (0.6) 15 49 21.02 (0.5) 15 49 21.03
Spectral type DA DAH DAH DAH
Effective temperature [K] 14548.7 (574) 11719.0 18090.0 (487)
log(g) [cgs] 8.56 (0.2) 8.31 7.91 (0.1)
Mass [M] 0.961958423369922 (0.4) 0.8
log(Luminosity) [L]
Cooling age [Gyr] 0.6359
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] 5.46 (1) 3.01 (1) 5.46 (1)
Distance [pc] 183.19 (41) 331.79 (153) 183.19 (41)
Composition H
Proper motion (right ascension) [mas/yr] -7.34061404 (1) -7.925129317 (2) -7.341 (1)
Proper motion (declination) [mas/yr] -4.194461019 (1) -5.768130667 (1) -4.194 (1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.99 (0.04) 20.03 (0.04) 20.03 (0.04)
g magnitude 19.79 (0.01) 19.79 (0.02) 19.79 (0.02)
r magnitude 20.03 (0.02) 20.04 (0.03) 20.04 (0.03)
i magnitude 20.20 (0.04) 20.34 (0.04) 20.34 (0.04)
z magnitude 20.29 (0.1) 20.43 (0.1) 20.43 (0.1)
G magnitude 20.31 (0.04) 20.25 20.31 (0.01)
BP magnitude 19.95 (0.04) 19.87
RP magnitude 20.07 (0.09) 19.89
Pan g magnitude 19.83 (0.02)
Pan r magnitude 20.02 (0.02)
Pan i magnitude 20.27 (0.03)
Pan z magnitude 20.48 (0.05)
Pan y magnitude
E(B-V) 0.011

* 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.