SDSS J131730.85+483332.8

All names: Gaia DR2 1556005701461744640, Gaia EDR3 1556005701461744640, GALEX J131730.9+483334, SDSS J131730.85+483332.7, WDJ131730.86+483333.05, SDSS J131730.85+483332.80, SDSS J131730.85+483332.8, SDSS J131730.84+483332.7, Gaia DR3 1556005701461744640, J1317+4833

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Kilic et al. 2025 O'Brien et al. 2024 Caron et al. 2023 McCleery et al. 2020 Kilic et al. 2020 MWDD H Gaia DR2 Stilism Kepler et al. 2016 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 Vincent et al. 2023
Right ascension 13 17 30.75 (0.04) 13 17 30.85 13 17 30.75 (0.05) 13 17 30.75 (0.05) 13 17 30.75 13 17 30.86 (0.04) 13 17 30.75
Declination 48 33 31.24 (0.05) 48 33 32.78 48 33 31.30 (0.05) 48 33 31.30 (0.05) 48 33 31.24 48 33 33.05 (0.05) 48 33 31.30
Spectral type DA DA DA DA DA DA DA DA DA DA DA
Effective temperature [K] 5904.0 (22) 5798.0 (54) 5885.0 (19) 5786.7 (47) 5903.0 (22) 5788.0 6000.0 (1000) 6034.0 (32)
log(g) [cgs] 8.05 (0.008) 8.00 (0.03) 8.03 (0.008) 8.00 (0.03) 8.04 (0.008) 7.99 7.95 (0.5) 8.11 (0.01)
Mass [M] 0.618 (0.007) 0.585 (0.02) 0.608 (0.007) 0.613 (0.007) 0.581 0.658 (0.009)
log(Luminosity) [L]
Cooling age [Gyr] 2.6300 2.4520
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] 25.63 (0.06) 25.63 (0.06) 25.53 (0.07) 25.53 (0.07) 25.53 (0.07) 25.63 25.63 (0.06) 25.53 (0.07)
Distance [pc] 39.01 (0.08) 39.02 (0.09) 39.17 (0.1) 39.18 (0.1) 39.18 (0.1) 39.01 39.01 (0.08) 39.18 (0.1)
Composition H H H H
Proper motion (right ascension) [mas/yr] -68.77859863 (0.05) -68.86903253 (0.08) -68.779 (0.04) -68.869
Proper motion (declination) [mas/yr] -113.211447 (0.06) -113.2502567 (0.09) -113.211 (0.07) -113.25
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.44 (0.01) 18.44 (0.01) 18.42 (0.02) 18.44 (0.01) 18.44 (0.01)
g magnitude 17.52 (0.005) 17.52 (0.02) 17.52 (0.005) 17.52 (0.005)
r magnitude 17.13 (0.005) 17.16 (0.02) 17.13 (0.005) 17.13 (0.005)
i magnitude 16.99 (0.005) 16.99 (0.02) 16.99 (0.005) 16.99 (0.005)
z magnitude 17.08 (0.01) 17.07 (0.1) 17.08 (0.01) 17.08 (0.01)
G magnitude 17.13 (0.005) 17.15 17.15 17.13 17.13 (0.003) 17.15
BP magnitude 17.44 (0.005) 17.45 17.45
RP magnitude 16.62 (0.007) 16.63 16.63
Pan g magnitude 17.49 (0.005) 17.49 (0.005)
Pan r magnitude 17.12 (0.004) 17.12 (0.005)
Pan i magnitude 16.97 (0.005) 16.97 (0.003)
Pan z magnitude 16.97 (0.01) 16.97 (0.01)
Pan y magnitude 16.92 (0.01) 16.92 (0.01)
E(B-V) 0.002

* 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.