2MASS J16475774+3718122

All names: [HHD2009] SDSS J1647+3718, Gaia DR3 1351462728712433920, 2MASS J16475774+3718122, WD 1646+373, Gaia DR2 1351462728712433920, Gaia EDR3 1351462728712433920, [SGR2010] J1647+3718, SDSS J164757.73+371812.1, SDSS J164757.73+371812.0, TIC 57328853

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Gaia DR2 Stilism sdss-wdms.org (29/04/2016) Simbad White Dwarf Catalog (McCook & Sion 1999)
Right ascension 16 47 57.73 (0.1) 16 47 57.73 16 47 57.73 (0.2) 16 47 57.73 16 47 57.74 (0.1) 16 47 57.36
Declination 37 18 12.09 (0.2) 37 18 12.04 37 18 12.09 (0.2) 37 18 12.10 37 18 12.10 (0.2) 37 18 10.44
Spectral type WD+M D+M1 WD M
Effective temperature [K]
log(g) [cgs]
Mass [M]
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 1.39 (0.2) 1.37 (0.2) 1.39 (0.2)
Distance [pc] 719.30 (85) 728.46 (117) 262.00 (58) 719.32 (85)
Composition
Proper motion (right ascension) [mas/yr] -4.836652721 (0.2) -5.361162749 (0.4) -4.837 (0.2)
Proper motion (declination) [mas/yr] -0.803011148 (0.2) -0.226079685 (0.6) -0.803 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 15.61 (0.05)
H magnitude 15.07 (0.07)
K magnitude 14.85 (0.1)
u magnitude 19.83 (0.04) 19.84 19.83 (0.04) 19.83
g magnitude 19.03 (0.009) 19.08 19.03 (0.01) 19.07
r magnitude 18.04 (0.007) 18.07 18.04 (0.007) 18.06
i magnitude 17.36 (0.006) 17.38 17.36 (0.006) 17.38
z magnitude 16.96 (0.01) 16.97 16.96 (0.01) 16.96
G magnitude 18.04 (0.02) 18.00 18.04 (0.004)
BP magnitude 18.69 (0.02) 18.69
RP magnitude 16.97 (0.007) 17.00
Pan g magnitude 18.94 (0.01)
Pan r magnitude 18.07 (0.009)
Pan i magnitude 17.37 (0.002)
Pan z magnitude 17.05 (0.006)
Pan y magnitude 16.88 (0.01)
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.