SDSS J154157.21+021450.0

All names: Gaia DR2 4423833185511786496, SDSS J154157.21+021450.1, SDSS J154157.21+021450.0, GALEX J154157.2+021450, SDSS J154157.21+021450.06, Gaia EDR3 4423833185511786496, SDSS J154157.20+021450.0, Gaia DR3 4423833185511786496

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 Gaia DR2 Kepler et al. 2015 Simbad
Right ascension 15 41 57.20 (1) 15 41 57.21 15 41 57.20 (2) 15 41 57.20 (1)
Declination 02 14 49.68 (1) 02 14 50.05 02 14 49.69 (2) 02 14 49.68 (1)
Spectral type DA DA
Effective temperature [K] 9782.0 (187)
log(g) [cgs] 8.36 (0.2)
Mass [M☉] 0.816 (0.1)
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas]
Distance [pc]
Composition
Proper motion (right ascension) [mas/yr]
Proper motion (declination) [mas/yr]
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 21.54 (0.1) 21.58 (0.1) 21.58 (0.1)
g magnitude 20.97 (0.03) 20.98 (0.03) 20.97 (0.03)
r magnitude 20.94 (0.05) 20.93 (0.05) 20.94 (0.05)
i magnitude 21.01 (0.08) 21.02 (0.08) 21.00 (0.08)
z magnitude 20.81 (0.2) 20.83 (0.2) 20.83 (0.2)
G magnitude 20.96 (0.2) 21.03 20.96 (0.01)
BP magnitude 20.75 (0.2)
RP magnitude 21.31 (0.3)
Pan g magnitude 20.96 (0.02)
Pan r magnitude 21.01 (0.03)
Pan i magnitude 21.14 (0.05)
Pan z magnitude 21.05 (0.09)
Pan y magnitude
E(B-V)

* 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.