Gaia DR2 1222790795628242048

All names: Gaia DR2 1222790795628242048, SDSS J154618.15+252400.7, WDJ154618.22+252400.35, Gaia DR3 1222790795628242048, SDSS J154618.15+252400.6, Gaia EDR3 1222790795628242048, WDJ154618.22+252400.34

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 15 46 17.97 (0.2) 15 46 17.98 15 46 17.97 15 46 18.22 (0.2) 15 46 17.98
Declination 25 24 01.39 (0.2) 25 24 01.35 25 24 01.39 25 24 00.35 (0.2) 25 24 01.35
Spectral type DA DA
Effective temperature [K] 5492.0 5218.0 5233.0 (109)
log(g) [cgs] 8.12 7.94 7.91 (0.07)
Mass [M] 0.656 0.533 0.528 (0.05)
log(Luminosity) [L]
Cooling age [Gyr] 4.2950 4.4370
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 9.71 (0.3) 10.07 (0.4) 9.71 9.71 (0.3) 10.07 (0.4)
Distance [pc] 103.03 (3) 99.32 (4) 103.03 103.03 (3) 99.32 (4)
Composition
Proper motion (right ascension) [mas/yr] -211.1297193 (0.2) -211.5509678 (0.6) -211.13 (0.2) -211.5509678
Proper motion (declination) [mas/yr] 64.80579263 (0.3) 64.88735354 (0.6) 64.806 (0.3) 64.88735354
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 21.31 (0.09) 21.31 (0.09)
g magnitude 20.08 (0.02) 20.08 (0.02)
r magnitude 19.53 (0.01) 19.53 (0.01)
i magnitude 19.30 (0.01) 19.30 (0.01)
z magnitude 19.28 (0.05) 19.28 (0.05)
G magnitude 19.58 (0.04) 19.62 19.58 19.58 (0.004) 19.62
BP magnitude 19.94 (0.04) 19.95 19.95
RP magnitude 19.09 (0.03) 19.00 19.00
Pan g magnitude 20.01 (0.02)
Pan r magnitude 19.51 (0.02)
Pan i magnitude 19.35 (0.007)
Pan z magnitude 19.31 (0.02)
Pan y magnitude 19.32 (0.03)
E(B-V) 0.024

* 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.