PG 1155+741

All names: PG1155+741, Gaia DR3 1075984763296931456, FBS B 997, UCAC4 820-018082, Gaia DR2 1075984763296931456, PG 1155+741, WISE J115840.53+735025.9, GALEX J115840.4+735025, WISEA J115840.52+735025.9, TIC 313355841, FBS 1156+741, 2MASS J11584054+7350260

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 11 58 40.61 11 58 40.55 (0.03)
Declination 73 50 26.26 73 50 26.13 (0.03)
Spectral type sdB sdB
Effective temperature [K]
log(g) [cgs]
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.44 (0.05) 0.57 (0.04)
Distance [pc] 2250.23 (241) 1756.85 (119)
Composition
Proper motion (right ascension) [mas/yr] -4.61 (0.09) -5.067 (0.04)
Proper motion (declination) [mas/yr] -4.01 (0.07) -4.542 (0.05)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.29 (0.2)
V magnitude 15.40 (0.03)
R magnitude 15.73 (0.1)
I magnitude
J magnitude 15.04 (0.04) 15.04 (0.04)
H magnitude 14.69 (0.05) 14.69 (0.05)
K magnitude 14.48 (0.08) 14.48 (0.08)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 15.34 (0.0007) 15.32 (0.003)
BP magnitude 15.26 (0.007)
RP magnitude 15.32 (0.004)
Pan g magnitude 15.28 (0.003)
Pan r magnitude 15.51 (0.003)
Pan i magnitude 15.66 (0.002)
Pan z magnitude 15.76 (0.002)
Pan y magnitude 15.80 (0.006)
E(B-V) 0.026

* 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.