WD 1639+351

All names: Gaia EDR3 1326839646845106432, LSPM J1641+3504S, TIC 43272550, WD 1639+351, Gaia DR2 1326839646845106432, 2MASS J16411933+3504245, SDSS J164119.14+350425.1, USNO-B1.0 1250-00245254, SDSS J164119.15+350425.1

Parameter Unit Gaia EDR3 Gaia DR2 Stilism Simbad White Dwarf Catalog (McCook & Sion 1999)
Right ascension 16 41 19.09 (0.2) 16 41 19.09 (0.2) 16 41 19.23 (453) 16 41 18.60
Declination 35 04 24.63 (0.3) 35 04 24.63 (0.3) 35 04 25.30 (133) 35 04 18.84
Spectral type DC+M DC 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] 10.09 (0.2) 10.26 (0.3)
Distance [pc] 99.10 (2) 97.50 (3)
Composition
Proper motion (right ascension) [mas/yr] -169.5970798 (0.2) -170.4068356 (0.5) -156.0 (12)
Proper motion (declination) [mas/yr] 5.494599451 (0.3) 3.501557423 (1) 8.0 (3)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 19.30
V magnitude
R magnitude 19.30
I magnitude
J magnitude 15.14 (0.04)
H magnitude 14.52 (0.05)
K magnitude 14.18 (0.06)
u magnitude 20.39
g magnitude 19.59
r magnitude 19.12
i magnitude 19.02
z magnitude 19.88
G magnitude 19.33 (0.3) 19.24
BP magnitude 20.40 (0.3) 19.98
RP magnitude 17.48 (0.03) 17.50
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.013

* 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.