TYC 170-779-1

All names: WISE J070728.72+053558.0, UCAC4 478-032813, GSC 00170-00779, TIC 292455084, LAMOST J070728.72+053557.8, Gaia DR2 3152632404742410496, TYC 170-779-1, TYC170-779-1, 2MASS J07072872+0535579

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 07 07 28.72 07 07 28.73 (0.5)
Declination 05 35 57.89 05 35 58.05 (0.5)
Spectral type He-sdOB A1V
Effective temperature [K] 39534.0 (218)
log(g) [cgs] 5.88 (0.05)
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 4.52 (0.7) 4.52 (0.7)
Distance [pc] 221.19 (32) 221.19 (32)
Composition
Proper motion (right ascension) [mas/yr] 2.878 (1) 2.878 (1)
Proper motion (declination) [mas/yr] -2.421 (0.9) -2.421 (0.9)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 11.42 (0.01)
V magnitude 11.30 (0.01)
R magnitude 11.38 (0.04)
I magnitude
J magnitude 11.10 (0.03) 11.10 (0.03)
H magnitude 11.11 (0.03) 11.11 (0.03)
K magnitude 11.10 (0.03) 11.10 (0.03)
u magnitude
g magnitude 11.30 (0.02)
r magnitude 11.39 (0.01)
i magnitude 11.44 (0.06)
z magnitude
G magnitude 11.52 (0.01) 11.52 (0.01)
BP magnitude 11.33 (0.01)
RP magnitude 11.22 (0.01)
Pan g magnitude 11.22
Pan r magnitude 11.40
Pan i magnitude 11.57
Pan z magnitude 11.70
Pan y magnitude 11.76
E(B-V) 0.014

* 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.