SDSS J135437.77+191145.2

All names: SDSS J135437.77+191145.2, 2MASS J13543777+1911445, Gaia EDR3 1246677071561652608, TIC 367758504, SDSS J135437.77+191145.22, Gaia DR2 1246677067266286336, USNO-B1.0 1091-00217938, WISE J135437.76+191145.2, SDSS J135437.76+191145.2, Gaia DR3 1246677071561652608, LAMOST J135437.76+191145.2, WISEA J135437.77+191144.8

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 Gaia DR2 Stilism Kepler et al. 2015 Simbad
Right ascension 13 54 37.75 (0.5) 13 54 37.77 13 54 37.75 (0.6) 13 54 37.78 (0.5)
Declination 19 11 45.34 (0.5) 19 11 45.20 19 11 45.33 (0.7) 19 11 45.13 (0.5)
Spectral type DB:+M DC+M
Effective temperature [K] 11434.0 (268)
log(g) [cgs] 6.95 (0.2)
Mass [M]
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 4.46 (0.7) 6.67 (1) 4.46 (0.7)
Distance [pc] 224.20 (33) 150.03 (22) 224.20 (33)
Composition
Proper motion (right ascension) [mas/yr] -24.54275086 (0.7) -25.22825475 (2) -24.543 (0.7)
Proper motion (declination) [mas/yr] 13.02150037 (0.5) 11.37162111 (1) 13.022 (0.5)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude 20.10
I magnitude
J magnitude 16.78 (0.1)
H magnitude 16.20 (0.2)
K magnitude 15.71 (0.2)
u magnitude 19.51 (0.03) 19.51 (0.03) 19.51 (0.03)
g magnitude 19.45 (0.01) 19.45 (0.01) 19.45 (0.01)
r magnitude 19.46 (0.01) 19.46 (0.01) 19.46 (0.01)
i magnitude 18.95 (0.01) 18.95 (0.01) 18.95 (0.01)
z magnitude 18.35 (0.02) 18.35 (0.02) 18.35 (0.02)
G magnitude 19.50 (0.05) 19.41 19.50 (0.01)
BP magnitude 19.43 (0.05) 19.48
RP magnitude 18.52 (0.03) 18.41
Pan g magnitude 19.45 (0.02)
Pan r magnitude 19.49 (0.01)
Pan i magnitude 19.01 (0.009)
Pan z magnitude 18.48 (0.01)
Pan y magnitude 18.13 (0.01)
E(B-V) 0.021

* 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.