Gaia DR2 1115546944012493696

All names: Gaia DR2 1115546944012493696, J0649+7521, 06494+7521, PM J06494+7521, GALEX J064926.6+752125, TIC 141431871, Gaia EDR3 1115546944012493696, Gaia DR3 1115546944012493696, 2MASS J06492648+7521249, WDJ064926.55+752124.97

Parameter Unit Gaia EDR3 Pan-STARRS DR1 O'Brien et al. 2024 Hardy et al. 2023a Caron et al. 2023 McCleery et al. 2020 Tremblay et al. 2020 MWDD H MWDD HE Gaia DR2 Stilism Limoges et al. 2015 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 06 49 26.94 (0.04) 06 49 26.93 (0.05) 06 49 26.93 06 49 26.94 06 49 26.55 (0.04) 06 49 26.93
Declination 75 21 24.76 (0.05) 75 21 24.76 (0.06) 75 21 24.76 75 21 24.76 75 21 24.97 (0.05) 75 21 24.76
Spectral type DAH DAH DAH DAH DAH DA DA DA
Effective temperature [K] 6437.0 (65) 6444.8 (46) 5986.0 (22) 6440.4 (41) 6440.0 (40) 6491.0 6243.0 5450.0 (1044) 6623.0 (37)
log(g) [cgs] 8.20 (0.03) 8.23 (0.04) 8.01 (0.008) 8.21 (0.02) 8.21 (0.02) 8.22 8.10 8.00 (0) 8.27 (0.01)
Mass [M] 0.717 (0.02) 0.7329307142142399 (0.05) 0.596 (0.006) 0.732 0.635 0.58 (0.1) 0.76 (0.009)
log(Luminosity) [L] -3.89
Cooling age [Gyr] 2.4000 3.0140 2.6880
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] 26.36 (0.05) 26.36 (0.05) 26.30 (0.07) 26.30 (0.07) 26.30 (0.07) 26.36 26.36 (0.05) 26.30 (0.07)
Distance [pc] 37.93 (0.08) 37.94 (0.07) 38.02 (0.1) 38.02 (0.1) 38.02 (0.1) 34.40 (7) 37.93 37.93 (0.08) 38.02 (0.1)
Composition H H H
Proper motion (right ascension) [mas/yr] 91.79570586 (0.05) 91.82578594 (0.1) 88.0 91.796 (0.05) 91.82578594
Proper motion (declination) [mas/yr] -13.70192119 (0.06) -13.68440183 (0.1) -13.0 -13.702 (0.06) -13.68440183
Variability
Magnetic yes
Bd [MG] 18.2428156436862
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 16.13 (0.1) 16.13 16.13 (0.1)
H magnitude 15.80 (0.1) 15.80 15.80 (0.1)
K magnitude 15.46 (0.03) 15.46
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 16.93 (0.006) 16.94 16.94 16.93 16.93 (0.003) 16.94
BP magnitude 17.17 (0.006) 17.17 17.17
RP magnitude 16.53 (0.005) 16.54 16.54
Pan g magnitude 17.19 (0.005) 17.19 (0.005)
Pan r magnitude 16.93 (0.003) 16.93 (0.003)
Pan i magnitude 16.87 (0.003) 16.87 (0.002)
Pan z magnitude 16.89 (0.004) 16.89 (0.005)
Pan y magnitude 16.91 (0.01) 16.91 (0.009)
E(B-V) 0.001

* Constant surface field

Special notes:

Spectra

Controls

Normalize at:
Normalize by mean flux

Range:

x: to
y: to

Spectra available:

Spectra without link are available upon request

Absorption lines

Photometric filters

BVRI
ugriz

Photometric fit





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.