SDSS J153409.77+410759.8

All names: SDSS J153409.76+410759.8, SDSS J153409.77+410759.88, Gaia DR3 1389890488304956544, Gaia DR2 1389890488304526464, SDSS J153409.77+410759.8, Gaia EDR3 1389890488304956544

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 MWDD H Gaia DR2 Stilism Kepler et al. 2015 Simbad Vincent et al. 2023
Right ascension 15 34 09.72 (0.4) 15 34 09.77 15 34 09.72 (0.7) 15 34 09.78 (0.4)
Declination 41 08 00.08 (0.4) 41 07 59.85 41 08 00.07 (1) 41 07 59.83 (0.4)
Spectral type DA: DA: DA DA
Effective temperature [K] 7853.0 8131.0 (154)
log(g) [cgs] 7.81 7.92 (0.2)
Mass [M] 0.486 0.5529999999999999 (0.1)
log(Luminosity) [L]
Cooling age [Gyr] 0.8709
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] 3.95 (0.5) 3.30 (0.9) 3.95 (0.5)
Distance [pc] 252.88 (29) 303.04 (80) 252.88 (29)
Composition H
Proper motion (right ascension) [mas/yr] -45.00881531 (0.6) -42.79503453 (1) -45.009 (0.6)
Proper motion (declination) [mas/yr] 15.48186643 (0.5) 18.28627695 (2) 15.482 (0.5)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.75 (0.07) 20.73 (0.06) 20.75 (0.07)
g magnitude 20.32 (0.02) 20.33 (0.03) 20.33 (0.02)
r magnitude 20.26 (0.02) 20.28 (0.03) 20.26 (0.02)
i magnitude 20.35 (0.03) 20.38 (0.03) 20.35 (0.03)
z magnitude 20.23 (0.1) 20.23 (0.1) 20.23 (0.1)
G magnitude 20.24 (0.08) 20.31 20.24 (0.006)
BP magnitude 20.47 (0.08) 20.10
RP magnitude 20.05 (0.1) 20.19
Pan g magnitude 20.38 (0.01)
Pan r magnitude 20.26 (0.01)
Pan i magnitude 20.31 (0.03)
Pan z magnitude 20.35 (0.03)
Pan y magnitude
E(B-V) 0.021

* Constant surface field

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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.