Gaia DR2 3148462541253976960

All names: Gaia DR2 3148462541253976960, Gaia DR3 3148462541253976960, USNO-B1.0 0986-00154264, LSPM J0740+0841, WDJ074032.18+084135.92, WDJ074032.18+084135.91, Gaia EDR3 3148462541253976960

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 07 40 32.33 (0.3) 07 40 32.33 07 40 32.33 07 40 32.18 (0.3) 07 40 32.33
Declination 08 41 34.24 (0.2) 08 41 34.30 08 41 34.24 08 41 35.91 (0.2) 08 41 34.30
Spectral type DC: DC
Effective temperature [K] 4432.0 (134)
log(g) [cgs] 7.94 (0.07)
Mass [M] 0.542 (0.06)
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 17.71 (0.3) 17.67 (0.4) 17.71 17.71 (0.3) 17.67 (0.4)
Distance [pc] 56.46 (1) 56.58 (1) 56.46 56.46 (1) 56.58 (1)
Composition
Proper motion (right ascension) [mas/yr] 141.3080763 (0.3) 142.2996824 (0.7) 141.308 (0.3) 142.2996824
Proper motion (declination) [mas/yr] -104.2911408 (0.2) -104.6146802 (0.5) -104.291 (0.2) -104.6146802
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 20.30
V magnitude
R magnitude 19.10
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 19.14 (0.06) 19.17 19.14 19.14 (0.004) 19.17
BP magnitude 19.72 (0.06) 19.64 19.64
RP magnitude 18.44 (0.02) 18.44 18.44
Pan g magnitude 19.89 (0.02)
Pan r magnitude 19.10 (0.006)
Pan i magnitude 18.77 (0.01)
Pan z magnitude 18.66 (0.01)
Pan y magnitude 18.56 (0.03)
E(B-V) 0.001

* 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.