SDSS J092716.53+204527.3

All names: Gaia EDR3 637449459705729280, GALEX J092716.5+204527, SDSS J092716.52+204527.2, SDSS J092716.53+204527.3, SDSS J092716.53+204527.2, Gaia DR3 637449459705729280, Gaia DR2 637449459705729280

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 09 27 16.53 (0.3) 09 27 16.53 09 27 16.53 (0.5) 09 27 16.52 (0.3) 09 27 16.53
Declination 20 45 26.88 (0.2) 20 45 27.23 20 45 26.90 (0.4) 20 45 27.39 (0.2) 20 45 27.26
Spectral type DA DA DA DA
Effective temperature [K] 12376.0 12438.0 (414)
log(g) [cgs] 8.08 8.24 (0.1)
Mass [M☉] 0.654 0.745 (0.08)
log(Luminosity) [L☉]
Cooling age [Gyr] 0.3838
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] 2.84 (0.4) 2.70 (0.6) 2.84 (0.4)
Distance [pc] 352.28 (56) 370.52 (86) 352.29 (56)
Composition H
Proper motion (right ascension) [mas/yr] 2.843071202 (0.5) 3.156299173 (0.9) 2.843 (0.5)
Proper motion (declination) [mas/yr] -31.62318008 (0.3) -32.07281594 (0.6) -31.623 (0.3)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.88 (0.03) 19.88 (0.04) 19.90 (0.04)
g magnitude 19.50 (0.01) 19.50 (0.01) 19.50 (0.02)
r magnitude 19.65 (0.02) 19.64 (0.02) 19.65 (0.02)
i magnitude 19.90 (0.03) 19.90 (0.03) 19.90 (0.03)
z magnitude 20.15 (0.1) 20.15 (0.1) 20.15 (0.1)
G magnitude 19.61 (0.03) 19.65 19.61 (0.004)
BP magnitude 19.64 (0.03) 19.53
RP magnitude 19.49 (0.07) 19.68
Pan g magnitude 19.52 (0.01)
Pan r magnitude 19.70 (0.007)
Pan i magnitude 19.94 (0.02)
Pan z magnitude 20.16 (0.03)
Pan y magnitude 20.12 (0.1)
E(B-V) 0.030

* 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.