SDSS J085055.49+550723.6

All names: Gaia DR2 1030142889424119936, Gaia DR3 1030142889424119936, GALEX J085055.4+550724, SDSS J085055.51+550723.5, Gaia EDR3 1030142889424119936, SDSS J085055.51+550723.59, SDSS J085055.51+550723.6, SDSS J085055.49+550723.6

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 MWDD H Gaia DR2 Stilism Kepler et al. 2015 Vincent et al. 2024 Simbad Vincent et al. 2023
Right ascension 08 50 55.50 (0.2) 08 50 55.49 08 50 55.50 (0.2) 08 50 55.50 08 50 55.49 (0.2)
Declination 55 07 23.60 (0.1) 55 07 23.61 55 07 23.60 (0.2) 55 07 23.60 55 07 23.61 (0.1)
Spectral type DA DA DA DA DA
Effective temperature [K] 13833.0 17516.0 (217) 14692.0 (771)
log(g) [cgs] 7.74 7.87 (0.04) 7.65 (0.1)
Mass [M] 0.471 0.552 (0.02) 0.432 (0.07)
log(Luminosity) [L]
Cooling age [Gyr] 0.1712
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] 2.62 (0.3) 2.83 (0.3) 2.62 2.62 (0.3)
Distance [pc] 381.83 (37) 353.01 (36) 381.83 381.83 (37)
Composition H
Proper motion (right ascension) [mas/yr] 6.230717331 (0.2) 6.839006185 (0.5) 6.231 (0.2)
Proper motion (declination) [mas/yr] -0.222920833 (0.2) -0.42402916 (0.3) -0.223 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.88 (0.02) 18.90 (0.02) 18.88 (0.02)
g magnitude 18.63 (0.009) 18.66 (0.01) 18.63 (0.009)
r magnitude 18.98 (0.01) 19.01 (0.02) 18.98 (0.01)
i magnitude 19.24 (0.02) 19.25 (0.02) 19.24 (0.02)
z magnitude 19.61 (0.07) 19.62 (0.07) 19.61 (0.07)
G magnitude 18.82 (0.02) 18.85 18.82 18.82 (0.003)
BP magnitude 18.81 (0.02) 18.77
RP magnitude 18.91 (0.03) 18.85
Pan g magnitude 18.71 (0.009)
Pan r magnitude 18.96 (0.006)
Pan i magnitude 19.24 (0.008)
Pan z magnitude 19.47 (0.02)
Pan y magnitude 19.52 (0.05)
E(B-V) 0.028

* Constant surface field

Special notes:

Spectra

Controls

Normalize at:
Normalize by mean flux

Range:

x: to
y: to

Spectra available:

Spectra without link are available upon request

Absorption lines

Photometric filters

BVRI
ugriz

Photometric fit





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.