Gaia DR2 4608525682709350144

All names: USNO-B1.0 1255-00261815, Gaia DR2 4608525682709350144, TIC 18470221, Gaia DR3 4608525682709350144, WDJ174412.93+353245.39, Gaia EDR3 4608525682709350144, LSPM J1744+3532, NLTT 45378, 2MASS J17441297+3532431, LP 278-19

Parameter Unit Gaia EDR3 Pan-STARRS DR1 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 17 44 12.91 (0.05) 17 44 12.91 17 44 12.91 17 44 12.93 (0.05) 17 44 12.91
Declination 35 32 48.55 (0.06) 35 32 48.45 35 32 48.55 35 32 45.39 (0.06) 35 32 48.45
Spectral type DC D
Effective temperature [K] 7768.0 7477.0 7354.0 (81)
log(g) [cgs] 8.19 8.09 8.00 (0.02)
Mass [M] 0.713 0.631 0.573 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 1.5690 1.4940
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 16.98 (0.06) 17.05 (0.08) 16.98 16.98 (0.06) 17.05 (0.08)
Distance [pc] 58.89 (0.2) 58.66 (0.3) 58.89 58.89 (0.2) 58.66 (0.3)
Composition
Proper motion (right ascension) [mas/yr] -13.66282926 (0.06) -13.7433436 (0.1) -13.663 (0.06) -13.7433436
Proper motion (declination) [mas/yr] 197.1917896 (0.07) 197.3773021 (0.2) 197.192 (0.07) 197.3773021
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 17.50
V magnitude
R magnitude 17.00
I magnitude
J magnitude 16.67 (0.1)
H magnitude
K magnitude 16.14 (0.2)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 17.16 (0.005) 17.18 17.16 17.16 (0.003) 17.18
BP magnitude 17.31 (0.005) 17.30 17.30
RP magnitude 16.91 (0.005) 16.91 16.91
Pan g magnitude 17.31 (0.003)
Pan r magnitude 17.20 (0.004)
Pan i magnitude 17.23 (0.002)
Pan z magnitude 17.32 (0.005)
Pan y magnitude 17.38 (0.007)
E(B-V) 0.007

* 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.