SDSS J163008.84+130238.8

All names: SDSS J163008.84+130238.8, Gaia DR3 4460385491802401024, WISE J163008.82+130239.6, SDSS J163008.85+130238.8, WD 1627+131, Gaia EDR3 4460385491802401024, WISEA J163008.82+130239.3

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Stilism sdss-wdms.org (29/04/2016) Simbad White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013
Right ascension 16 30 08.84 (0.4) 16 30 08.84 16 30 08.84 16 30 08.86 (0.4) 16 30 08.45 16 30 08.85
Declination 13 02 38.62 (0.3) 13 02 38.80 13 02 38.80 13 02 38.74 (0.3) 13 02 32.28 13 02 38.82
Spectral type DA+M DA+M DA2.8 DA+M
Effective temperature [K] 16910.0 (1862) 7635.0 (152)
log(g) [cgs] 7.50 (0.4) 7.24 (0.4)
Mass [M] 0.38 (0.2)
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 1.47 (0.5) 1.47 (0.5)
Distance [pc] 680.19 (230) 1697.00 (385) 680.18 (230)
Composition
Proper motion (right ascension) [mas/yr] -14.32806644 (0.5) -14.328 (0.5)
Proper motion (declination) [mas/yr] -7.473871839 (0.4) -7.474 (0.4)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS yes WDMS
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.16 (0.06) 20.28 20.16 (0.06) 20.27 20.25 (0.06)
g magnitude 19.81 (0.02) 19.92 19.82 (0.02) 19.91 19.90 (0.02)
r magnitude 19.88 (0.02) 20.06 19.88 (0.02) 20.05 20.04 (0.02)
i magnitude 19.35 (0.02) 19.52 19.35 (0.02) 19.51 19.52 (0.02)
z magnitude 18.79 (0.05) 18.89 18.79 (0.05) 18.88 18.91 (0.05)
G magnitude 20.13 (0.04) 20.13 (0.005)
BP magnitude 20.01 (0.04)
RP magnitude 19.10 (0.03)
Pan g magnitude 19.97 (0.02)
Pan r magnitude 20.12 (0.02)
Pan i magnitude 19.52 (0.02)
Pan z magnitude 19.00 (0.02)
Pan y magnitude 18.77 (0.03)
E(B-V) 0.051

* 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.