SDSS J075420.99+495005.3

All names: ** SLN 63A, SDSS J075420.99+495005.4, SDSS J075420.99+495005.3, WDS J07543+4950A, SDSS J075420.99+495005.7, Gaia EDR3 934175968363647360, USNO-B1.0 1398-00192493, Gaia DR3 934175968363647360, Gaia DR2 934175968363647360, GALEX J075421.0+495003

Parameter Unit Gaia EDR3 Stilism Simbad Vincent et al. 2023
Right ascension 07 54 20.98 (0.8) 07 54 21.01 (0.8)
Declination 49 50 04.70 (0.6) 49 50 05.63 (0.6)
Spectral type DA DA
Effective temperature [K]
log(g) [cgs]
Mass [M]
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 4.61 (0.9) 4.61 (0.9)
Distance [pc] 217.13 (43) 217.13 (43)
Composition
Proper motion (right ascension) [mas/yr] -17.119 (1) -17.119 (1)
Proper motion (declination) [mas/yr] -58.365 (0.6) -58.365 (0.6)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 20.80
V magnitude
R magnitude 19.80
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 21.19 (0.09)
g magnitude 20.60 (0.03)
r magnitude 20.39 (0.03)
i magnitude 20.35 (0.04)
z magnitude 20.53 (0.1)
G magnitude 20.39 (0.009) 20.39 (0.009)
BP magnitude 21.10 (0.2)
RP magnitude 20.14 (0.1)
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
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.