SDSS J235545.28+370553.8

All names: SDSS J235545.28+370553.8, SDSS J235545.28+370553.7, GALEX J235545.2+370553, Gaia DR2 2880412124777136128, SDSS J235545.27+370553.7, Gaia EDR3 2880412124777836672, Gaia DR3 2880412124777836672

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Bedard et al. 2020 Gaia DR2 Stilism Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 23 55 45.27 (0.4) 23 55 45.28 23 55 45.28 (0.7) 23 55 45.28 (0.4) 23 55 45.28
Declination 37 05 53.58 (0.3) 37 05 53.77 37 05 53.58 (0.3) 37 05 53.77 (0.3) 37 05 53.76
Spectral type DA DA DA DA
Effective temperature [K] 36451.0 (1093) 37306.0 (884)
log(g) [cgs] 7.92 (0.2) 7.90 (0.1)
Mass [M] 0.62 (0.08) 0.611 (0.06)
log(Luminosity) [L] -0.49 (0.1)
Cooling age [Gyr] 0.0048 (0.0004)
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] 0.82 (0.5) 0.47 (0.8) 0.82 (0.5)
Distance [pc] 1220.93 (768) 2126.78 (3414) 1220.85 (768)
Composition H
Proper motion (right ascension) [mas/yr] -5.507259763 (0.5) -4.603806799 (1) -5.507 (0.5)
Proper motion (declination) [mas/yr] -12.39649536 (0.3) -11.54801607 (0.5) -12.396 (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 19.49 (0.03) 19.46 (0.04) 19.46 (0.04)
g magnitude 19.68 (0.02) 19.70 (0.02) 19.70 (0.02)
r magnitude 20.03 (0.02) 20.04 (0.03) 20.04 (0.03)
i magnitude 20.27 (0.03) 20.32 (0.06) 20.32 (0.06)
z magnitude 20.53 (0.1) 20.37 (0.1) 20.37 (0.1)
G magnitude 19.89 (0.04) 19.92 19.89 (0.005)
BP magnitude 19.77 (0.04) 19.74
RP magnitude 20.05 (0.08) 20.14
Pan g magnitude 19.73 (0.02)
Pan r magnitude 20.03 (0.02)
Pan i magnitude 20.30 (0.02)
Pan z magnitude 20.50 (0.05)
Pan y magnitude
E(B-V) 0.077

* 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.