SDSS J160904.61+035000.2

All names: SDSS J160904.61+035000.2, Gaia DR3 4413209841603632000, SDSS J160904.61+035000.3, Gaia EDR3 4413209841603632000, GALEX J160904.7+035000, Gaia DR2 4413209841603632000, SDSS J160904.62+035000.2

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Bedard et al. 2020 MWDD H Gaia DR2 Stilism Vincent et al. 2024 Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 16 09 04.61 (0.1) 16 09 04.62 16 09 04.61 (0.1) 16 09 04.61 16 09 04.62 (0.1) 16 09 04.62
Declination 03 50 00.33 (0.1) 03 50 00.24 03 50 00.33 (0.1) 03 50 00.33 03 50 00.22 (0.1) 03 50 00.23
Spectral type DA DA DA DA+M DA DA
Effective temperature [K] 41189.0 (536) 21067.0 31301.0 (2461) 42282.0 (532)
log(g) [cgs] 7.77 (0.06) 7.29 7.70 (0.1) 7.80 (0.06)
Mass [M] 0.56 (0.02) 0.337 0.506 (0.07) 0.581 (0.03)
log(Luminosity) [L] -0.17 (0.05)
Cooling age [Gyr] 0.0034 (0.0002) 0.0168
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] 1.88 (0.1) 1.88 (0.2) 1.88 1.88 (0.1)
Distance [pc] 533.03 (40) 533.13 (49) 533.03 533.02 (40)
Composition H H
Proper motion (right ascension) [mas/yr] -4.73553957 (0.1) -4.976150556 (0.3) -4.736 (0.1)
Proper motion (declination) [mas/yr] 6.829731158 (0.1) 6.783546646 (0.2) 6.83 (0.1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 17.69 (0.01) 17.69 (0.01) 17.68 (0.03)
g magnitude 17.99 (0.006) 17.99 (0.006) 18.00 (0.02)
r magnitude 18.42 (0.008) 18.42 (0.008) 18.41 (0.01)
i magnitude 18.75 (0.01) 18.75 (0.01) 18.75 (0.02)
z magnitude 19.00 (0.05) 19.00 (0.05) 19.00 (0.05)
G magnitude 18.20 (0.01) 18.24 18.20 18.20 (0.003)
BP magnitude 18.12 (0.01) 18.05
RP magnitude 18.43 (0.02) 18.45
Pan g magnitude 18.06 (0.006)
Pan r magnitude 18.44 (0.006)
Pan i magnitude 18.77 (0.007)
Pan z magnitude 19.02 (0.009)
Pan y magnitude 19.21 (0.02)
E(B-V) 0.060

* 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.