2MASS J07551941+4800335

All names: [BGK2006] J075519.48+480034.1, 2MASS J07551941+4800335, SDSS J075519.47+480034.0, EQ J0755+4800, SDSS J075519.48+480034.0, SDSS J075519.47+480034.4, PSO J075519.471+480034.127, Gaia DR2 933556290482790528, J0755+4800

Parameter Unit MWDD H Pan-STARRS DR1 Gaia DR2 Gianninas et al. 2014 SDSS DR12 Simbad
Right ascension 07 55 19.48 (0.07) 07 55 19.47 07 55 19.42
Declination 48 00 34.15 (0.06) 48 00 34.09 48 00 33.59
Spectral type DA DA DA
Effective temperature [K] 15374.0 19520.0 (300)
log(g) [cgs] 7.08 7.42 (0.05)
Mass [M☉] 0.261 0.409
log(Luminosity) [L☉]
Cooling age [Gyr] 0.0671 0.0960 (0.008)
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(C/H)
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H)
log(P/H)
log(S/H)
log(Sc/H)
log(Ti/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Ni/H)
Parallax [mas] 5.47 (0.1)
Distance [pc] 182.84 (3) 190.00 (17)
Composition H H
Proper motion (right ascension) [mas/yr] 2.2471798947 (0.1) 4.0
Proper motion (declination) [mas/yr] 5.4792819435 (0.1) 8.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS
B magnitude 15.70
V magnitude
R magnitude 16.30
I magnitude
J magnitude 16.76
H magnitude 16.29
K magnitude 16.27
u magnitude 16.24 (0.006) 16.25
g magnitude 16.00 (0.004) 16.02
r magnitude 16.36 (0.004) 16.38
i magnitude 16.63 (0.005) 16.65
z magnitude 16.88 (0.01) 16.89
G magnitude 16.22
BP magnitude 16.13
RP magnitude 16.33
Pan g magnitude 16.06 (0.002)
Pan r magnitude 16.36 (0.002)
Pan i magnitude 16.66 (0.003)
Pan z magnitude 16.89 (0.006)
Pan y magnitude 17.05 (0.02)

* Constant surface field

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The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour at Université de Montréal. Please send database updates, corrections, suggestions or bug reports to dufourpa@astro.umontreal.ca.