BD+29 3070

All names: Gaia DR1 4595823673411154176, HIC 86329, 2MASS J17382120+2908473, HIP 86329, GEN# +0.02903070, BD+293070, TYC 2088-500-1, GALEX J173821.1+290848, TD1 30920, LAMOST J173821.37+290847.3, BD+29 3070, GSC 02088-00500, TIC 311432346, Gaia DR3 4595823677708844416, Gaia DR2 4595823677708844416

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 17 38 21.19 17 38 21.20 (0.03)
Declination 29 08 47.29 29 08 47.35 (0.03)
Spectral type sdB+F sdOB+F/G
Effective temperature [K] 25380.0 (990)
log(g) [cgs] 5.54 (0.2)
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 3.39 (0.05) 3.41 (0.04)
Distance [pc] 294.79 (4) 293.04 (3)
Composition
Proper motion (right ascension) [mas/yr] -5.86 (0.06) -6.586 (0.03)
Proper motion (declination) [mas/yr] 22.884 (0.07) 23.153 (0.04)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 10.55
V magnitude 10.45
R magnitude
I magnitude
J magnitude 9.77 (0.02) 9.77 (0.02)
H magnitude 9.62 (0.02) 9.62 (0.02)
K magnitude 9.55 (0.02) 9.55 (0.02)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 10.29 (0.0007) 10.29 (0.003)
BP magnitude 10.41 (0.001)
RP magnitude 10.07 (0.0009)
Pan g magnitude 10.36
Pan r magnitude 10.35
Pan i magnitude 10.40
Pan z magnitude 10.40
Pan y magnitude 10.44
E(B-V) 0.025

* 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.