SDSS J122553.76+071529.6

All names: SDSS J122553.76+071529.63, SDSS J122553.76+071529.6, Gaia DR2 3901022385826738816, Gaia DR3 3901022385826738816, Gaia EDR3 3901022385826738816

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 Gaia DR2 Kepler et al. 2015 Simbad
Right ascension 12 25 53.76 (0.5) 12 25 53.77 12 25 53.76 (0.7) 12 25 53.77 (0.5)
Declination 07 15 29.59 (0.4) 07 15 29.62 07 15 29.59 (0.5) 07 15 29.68 (0.4)
Spectral type DAZ DAZ
Effective temperature [K] 7153.0 (73)
log(g) [cgs] 5.21 (0.2)
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] -0.08 (0.6) -0.32 (0.8)
Distance [pc]
Composition
Proper motion (right ascension) [mas/yr] -5.717956277 (0.7) -5.949625616 (2) -5.718 (0.7)
Proper motion (declination) [mas/yr] -5.421535554 (0.7) -6.579018555 (1) -5.422 (0.7)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.99 (0.08) 20.95 (0.08) 20.95 (0.08)
g magnitude 20.23 (0.02) 20.24 (0.03) 20.24 (0.03)
r magnitude 20.07 (0.02) 20.07 (0.02) 20.07 (0.02)
i magnitude 20.03 (0.02) 20.02 (0.03) 20.02 (0.03)
z magnitude 19.96 (0.08) 19.92 (0.07) 19.92 (0.07)
G magnitude 20.02 (0.06) 20.11 20.02 (0.006)
BP magnitude 20.19 (0.06) 20.27
RP magnitude 19.63 (0.08) 19.60
Pan g magnitude 20.18 (0.03)
Pan r magnitude 20.01 (0.03)
Pan i magnitude 20.05 (0.01)
Pan z magnitude 20.08 (0.02)
Pan y magnitude 20.07 (0.1)
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.