WD 1550+716

All names: Gaia EDR3 1648175665272757760, WD 1550+716, Gaia DR2 1648175665272757760, LP 42-195, ** LDS 1830B, WDS J15497+7132B, Gaia DR3 1648175665272757760, USNO-B1.0 1615-00108009

Parameter Unit Gaia EDR3 Gaia DR2 Stilism Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999)
Right ascension 15 49 40.45 (0.06) 15 49 40.45 (0.07) 15 49 40.45 15 49 40.43 (0.06) 15 49 44.38
Declination 71 31 45.79 (0.06) 71 31 45.74 (0.08) 71 31 45.79 71 31 44.30 (0.06) 71 32 01.32
Spectral type DA DA DA
Effective temperature [K] 9925.0 (146)
log(g) [cgs] 7.99 (0.03)
Mass [M☉] 0.593 (0.02)
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 8.83 (0.07) 8.77 (0.08) 8.83 8.83 (0.07)
Distance [pc] 113.29 (0.9) 114.01 (1) 113.29 113.29 (0.9)
Composition
Proper motion (right ascension) [mas/yr] 4.710880201 (0.07) 4.782 (0.1) 4.711 (0.07)
Proper motion (declination) [mas/yr] 93.27469664 (0.09) 93.136 (0.1) 93.275 (0.09)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity yes
B magnitude 17.20
V magnitude
R magnitude 16.10
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 17.45 (0.008) 17.47 17.45 17.45 (0.003)
BP magnitude 17.52 (0.008) 17.50
RP magnitude 17.36 (0.02) 17.36
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.011

* 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.