E Serpentis

Starbox begin
name = e SerpentisStarbox observe
epoch = J2000.0
equinox = J2000.0 (ICRS)
constell = Serpens
ra = RA|18|37|35.9613SIMBAD link|e+ser|NSV 11122 -- Spectroscopic binary, database entry, SIMBAD. Accessed on line October 3, 2008.]
dec = DEC|−00|18|34.100
appmag_v=5.74 to 5.86NSV 11122, database entry, [http://www.sai.msu.su/groups/cluster/gcvs/gcvs/nsv/nsv.dat New Catalogue of Suspected Variable Stars, the improved version] , Sternberg Astronomical Institute, Moscow, Russia. Accessed on line October 3, 2008.] Starbox character
class = A1V / A1V
(spectroscopic binary)
u-b = +0.06 [http://webviz.u-strasbg.fr/viz-bin/VizieR-5?-out.add=.&-source=V/50/catalog&recno=6993 HR 6993] , database entry, The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version), D. Hoffleit and W. H. Warren, Jr., CDS ID [http://vizier.u-strasbg.fr/viz-bin/Cat?V/50 V/50] . Accessed on line October 3, 2008.]
b-v = +0.07
r-i = +0.04Starbox astrometry
radial_v = 11.4 [Figure is for the barycenter of the spectroscopic binary system.]
prop_mo_ra = 11.74
prop_mo_dec = −19.83
parallax = 5.06
p_error = 0.93
parallax_footnote =
absmag_v= −0.7 [From apparent magnitude and parallax.] Starbox catalog
names=e Ser, BD−00 3521, FK5 3480, GC 25456, HD 171978, HIP 91322, HR 6993, PPM 180381, SAO 142444.Starbox reference
Simbad=e+ser

e Serpentis (e Ser) is a spectroscopic binary star in the constellation of Serpens. It consists of two A-type main sequence stars orbiting each other with a period of approximately 14.7 days. The overall apparent visual magnitude of the system varies between 5.74 and 5.86.

References