Tau7 Serpentis

:"For other stars with this Bayer designation, see Tau Serpentis."Starbox begin
name = τ⁷ SerpentisStarbox observe
epoch = J2000.0
equinox = J2000.0 (ICRS)
constell = Serpens
ra = RA|15|41|54.7132SIMBAD link|tau7+ser|* 22 Ser -- Star, database entry, SIMBAD. Accessed on line September 19, 2008.]
dec = DEC|+18|27|50.532
appmag_v=5.804Starbox character
class = A2m
u-b = +0.11 [http://webviz.u-strasbg.fr/viz-bin/VizieR-5?-out.add=.&-source=V/50/catalog&recno=5845 HR 5845] , 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 September 19, 2008.]
b-v = +0.20
r-i = +0.10Starbox astrometry
radial_v = −29.5 ± 2
prop_mo_ra = −73.00
prop_mo_dec = 56.85
parallax = 18.78
p_error = 0.82
parallax_footnote =
absmag_v= 2.17 [From apparent magnitude and parallax.] Starbox detail
rotational_velocity = 20Starbox catalog
names=τ⁷ Ser, Tau⁷ Serpentis, Tau⁷ Ser, 22 Serpentis, 22 Ser, BD+18 3059, GC 21111, HD 140232, HIP 76878, HR 5845, PPM 131613, SAO 101686.Starbox reference
Simbad=tau7+ser

Tau⁷ Serpentis (Tau⁷ Ser / τ⁷ Serpentis / τ⁷ Ser) is an A-type star in the constellation of Serpens, approximately 174 light-years from the Earth. It has an apparent visual magnitude of approximately 5.804.

References