Gaia DR3 820959638305816448

All names: ZTF18aaaocpc, US 943, V* DV UMa, AAVSO 0940+45, 2MASS J09463665+4446451, SDSS J094636.59+444644.7, Gaia DR3 820959638305816448, CRTS J094636.5+444645, Gaia EDR3 820959638305816448, SDSS J094636.60+444644.7, Gaia DR2 820959638305816448, TIC 243247640

Parameter Unit Gaia EDR3 Stilism Simbad Vincent et al. 2023
Right ascension 09 46 36.55 (0.1) 09 46 36.60 (0.1)
Declination 44 46 44.62 (0.08) 44 46 44.68 (0.08)
Spectral type DA CV
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] 2.59 (0.2) 2.59 (0.2)
Distance [pc] 386.71 (23) 386.71 (23)
Composition
Proper motion (right ascension) [mas/yr] -29.996 (0.1) -29.996 (0.1)
Proper motion (declination) [mas/yr] -3.988 (0.1) -3.988 (0.1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 19.00
V magnitude
R magnitude
I magnitude
J magnitude 16.89 (0.2)
H magnitude 15.87 (0.2)
K magnitude 15.80 (0.3)
u magnitude 19.33 (0.02)
g magnitude 19.37 (0.01)
r magnitude 19.14 (0.01)
i magnitude 18.81 (0.01)
z magnitude 18.26 (0.02)
G magnitude 18.61 (0.01) 18.61 (0.01)
BP magnitude 18.82 (0.04)
RP magnitude 17.96 (0.04)
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.020

* Constant surface field

Special notes:

Spectra

Controls

Normalize at:
Normalize by mean flux

Range:

x: to
y: to

Spectra available:

Spectra without link are available upon request

Absorption lines

Photometric filters

BVRI
ugriz

Photometric fit




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.