SDSS J164929.99+242815.5

All names: SDSS J164929.98+242815.5, SDSS J164929.99+242815.4, SDSS J164929.99+242815.49, Gaia DR3 1300023928336723712, Gaia DR2 1300023928336723712, Gaia EDR3 1300023928336723712, SDSS J164929.99+242815.5

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 SDSS DR10 MWDD H Gaia DR2 Stilism Kepler et al. 2015 Simbad Eisenstein et al. 2006
Right ascension 16 49 29.99 (0.1) 16 49 29.99 16 49 29.99 16 49 29.99 (0.2) 16 49 29.99 (0.1) 16 49 29.99
Declination 24 28 15.52 (0.2) 24 28 15.53 24 28 15.53 24 28 15.52 (0.3) 24 28 15.55 (0.2) 24 28 15.54
Spectral type B/sdB B/sdB DA SD_auto
Effective temperature [K] 20923.0 30730.0 (484) 28916.0 (829)
log(g) [cgs] 4.77 5.12 (0.1) 5.14 (0.1)
Mass [M] 0.013
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.25 (0.2) 0.31 (0.3) 0.25 (0.2)
Distance [pc] 3972.61 (3591) 3247.93 (3414) 3972.98 (3593)
Composition
Proper motion (right ascension) [mas/yr] -2.472435002 (0.2) -2.636246505 (0.4) -2.472 (0.2) 0.9
Proper motion (declination) [mas/yr] -1.850124655 (0.2) -2.244530909 (0.6) -1.85 (0.2) -4.4
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.12 (0.02) 19.12 (0.02) 19.15 (0.03) 19.12 (0.02) 19.05 (0.03)
g magnitude 19.19 (0.01) 19.19 (0.01) 19.22 (0.02) 19.19 (0.01) 19.17 (0.02)
r magnitude 19.59 (0.02) 19.59 (0.02) 19.56 (0.02) 19.55 (0.02) 19.57 (0.02)
i magnitude 19.88 (0.02) 19.88 (0.02) 19.87 (0.03) 19.87 (0.02) 19.89 (0.03)
z magnitude 20.25 (0.1) 20.25 (0.1) 20.26 (0.1) 20.32 (0.2) 20.31 (0.1)
G magnitude 19.38 (0.03) 19.43 19.38 (0.004)
BP magnitude 19.35 (0.03) 19.24
RP magnitude 19.58 (0.05) 19.47
Pan g magnitude 19.21 (0.008)
Pan r magnitude 19.59 (0.01)
Pan i magnitude 19.96 (0.01)
Pan z magnitude 20.16 (0.05)
Pan y magnitude 20.22 (0.2)
E(B-V) 0.033

* 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.