Balloon 90100002

All names: GSC 02243-00199, UCAC3 236-294149, 2MASS J23041214+2755378, TYC 2243-199-1, Gaia DR2 1884813859177653888, Gaia DR1 1884813859177653888, TIC 436774055, Bal90100002, Balloon 90100002, UCAC2 41644085, Gaia DR3 1884813859177653888

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 23 04 12.00 23 04 12.15 (0.02)
Declination 27 55 36.99 27 55 37.77 (0.02)
Spectral type sdB sdB
Effective temperature [K] 33600.0 (5000)
log(g) [cgs] 5.71 (0.5)
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.03 (0.05) 0.03 (0.05)
Distance [pc] 38610.04 (74984) 38610.04 (74984)
Composition
Proper motion (right ascension) [mas/yr] -1.336 (0.07) -1.331 (0.02)
Proper motion (declination) [mas/yr] -1.709 (0.07) -1.873 (0.02)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 12.82 (0.3)
V magnitude 12.42 (0.2)
R magnitude 12.91 (0.08)
I magnitude
J magnitude 12.62 (0.02) 12.62 (0.02)
H magnitude 12.69 (0.03) 12.69 (0.03)
K magnitude 12.69 (0.02) 12.69 (0.02)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 12.45 (0.0003) 12.43 (0.003)
BP magnitude 12.37 (0.003)
RP magnitude 12.50 (0.001)
Pan g magnitude 18.26 (0.4)
Pan r magnitude 18.64 (0.02)
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.056

* 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.