- Struve 2398
Starbox begin
name=Struve 2398 A/B Starbox image
caption = Struve 2398 A/B Starbox observe
epoch=J2000
ra=RA|18|42|46.7/46.9
dec=DEC|+59|37|49/36
appmag_v=8.94/9.70
constell=Draco Starbox character
class=M3 V/M3.5 V
b-v=1.53/1.59
u-b=1.11/1.14
variable=Flare star Starbox astrometry
radial_v=-0.9
prop_mo_ra=-1327
prop_mo_dec=1802
gal_lat= +24.2307 / +24.2295
gal_lon=089.2883 / 089.2847
parallax=283.00
p_error=1.69
absmag_v=11.20/11.96 Starbox detail
mass=0.36 / 0.30
radius=0.54 / 0.55
luminosity=0.00027 / 0.00013
temperature=2.000–3.500
metal=?
rotation=?
age=? Starbox visbin
name=Struve 2398 B
period=408
axis=12.1
eccentricity=0.53
inclination=356
node=
periastron= Starbox reference
Simbad=HD+173740 Starbox catalog
names=Σ 2398 A/B, HD 173739/173740, GCTP 4330.00 A/B, LHS 58/59, GJ 725 A/B, Gl 227-046/227-047, HIP 91768/91772, A: BD +59°1915, Vyssotsky 184. Starbox reference
Simbad=HD+173739Struve 2398 is a binary star system in the constellation Draco. Both stars are
red dwarf s and both display variability common toflare star s. The orbital period for the pair is about 408 years, with an average distance of about 56astronomical units , and the eccentricity of the orbit is 0.53.ee also
*
List of nearest stars External links
* [http://www.solstation.com/stars/st2398ab.htm SolStation entry]
* http://www.daviddarling.info/encyclopedia/S/Struve2398.html
* http://www.richweb.f9.co.uk/astro/nearby_stars.htm
* http://jumk.de/astronomie/near-stars/struve-2398.shtml
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