SDSS J120526.77+575805.9

All names: Gaia EDR3 1575586178190273920, Gaia DR3 1575586178190273920, SDSS J120526.77+575805.9, Gaia DR2 1575586178190273920, GALEX J120526.7+575806, SDSS J120526.77+575805.7, SDSS J120526.77+575805.98

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Kepler et al. 2016 Simbad Vincent et al. 2023
Right ascension 12 05 26.78 (0.6) 12 05 26.78 12 05 26.78 (0.9) 12 05 26.80 (0.6)
Declination 57 58 05.36 (0.8) 57 58 05.75 57 58 05.37 (1) 57 58 05.83 (0.8)
Spectral type DA: DA: DA DA
Effective temperature [K] 7802.0 8517.0 (433)
log(g) [cgs] 8.72 8.00 (1)
Mass [M] 1.053
log(Luminosity) [L]
Cooling age [Gyr] 3.5320
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] 2.36 (1) 4.88 (2) 2.36 (1)
Distance [pc] 422.88 (203) 205.06 (72) 422.87 (203)
Composition H
Proper motion (right ascension) [mas/yr] -8.567779544 (0.8) -3.430138689 (3) -8.568 (0.8)
Proper motion (declination) [mas/yr] -29.44124501 (2) -17.79148816 (4) -29.441 (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 21.27 (0.1) 21.21 (0.09) 21.21 (0.09)
g magnitude 20.91 (0.04) 20.92 (0.04) 20.91 (0.04)
r magnitude 20.85 (0.04) 20.85 (0.04) 20.85 (0.04)
i magnitude 20.84 (0.07) 20.83 (0.07) 20.83 (0.07)
z magnitude 20.93 (0.2) 20.93 (0.2) 20.93 (0.2)
G magnitude 20.79 (0.2) 20.88 20.79 (0.01)
BP magnitude 20.86 (0.2) 20.75
RP magnitude 20.79 (0.2) 20.53
Pan g magnitude 20.82 (0.03)
Pan r magnitude 20.86 (0.03)
Pan i magnitude 20.92 (0.03)
Pan z magnitude 20.74 (0.4)
Pan y magnitude
E(B-V) 0.020

* 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.