[RGS2010] J155445.76+072236.4

All names: SDSS J155445.76+072236.4, Gaia DR2 4430062468639025664, [RGS2010] J155445.76+072236.4, WD 1552+075, Gaia EDR3 4430062472938548096, WDJ155445.76+072236.61

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H MWDD HE Gaia DR2 Stilism sdss-wdms.org (29/04/2016) Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 15 54 45.76 (2) 15 54 45.77 15 54 45.76 (2) 15 54 45.76 15 54 45.76 (2) 15 54 45.76 15 54 45.34
Declination 07 22 36.36 (1) 07 22 36.48 07 22 36.37 (1) 07 22 36.41 07 22 36.61 (1) 07 22 36.37 07 22 32.52
Spectral type WD+M WD+M WD+M D+M WD M
Effective temperature [K] 5873.0 5417.0
log(g) [cgs] 9.13 8.96
Mass [M☉] 1.248 1.166
log(Luminosity) [L☉]
Cooling age [Gyr] 4.7950 4.9230
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 5.17 (2) 15.08 (2) 15.08 (2) 15.08 (2)
Distance [pc] 193.26 (62) 66.32 (9) 224.00 (50) 66.32 (9) 66.32 (9)
Composition
Proper motion (right ascension) [mas/yr] -4.592161104 (2) 0.916996207 (2) 0.917 (2) 0.916996207
Proper motion (declination) [mas/yr] -6.423741667 (1) -15.39030825 (3) -15.39 (3) -15.39030825
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 18.60 (0.05)
H magnitude 18.07 (0.07)
K magnitude 18.01 (0.1)
u magnitude 20.21 (0.05) 20.18 20.20 (0.05) 20.21 (0.05) 20.18
g magnitude 20.37 (0.02) 20.40 20.37 (0.02) 20.37 (0.02) 20.39
r magnitude 20.48 (0.03) 20.51 20.49 (0.03) 20.48 (0.03) 20.50
i magnitude 20.27 (0.04) 20.29 20.26 (0.04) 20.27 (0.04) 20.28
z magnitude 19.82 (0.08) 19.82 19.82 (0.08) 19.82 (0.08) 19.82
G magnitude 20.49 (0.1) 20.49 20.49 (0.02) 20.49
BP magnitude 20.23 (0.1) 20.45 20.45
RP magnitude 19.77 (0.09) 19.62 19.62
Pan g magnitude 20.35 (0.02)
Pan r magnitude 20.55 (0.03)
Pan i magnitude 20.13 (0.02)
Pan z magnitude 19.72 (0.02)
Pan y magnitude 19.58 (0.06)
E(B-V) 0.029

* 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.