6 Lacertae

{{Starbox begin

| name = 6 Lacertae

}}

{{Starbox observe

| epoch = J2000

| constell = Lacerta

| ra = {{RA|22|30|29.26005}}

| dec = {{DEC|+43|07|24.1565}}

| appmag_v = 4.52

}}

{{Starbox character

| type =

| class = B2 IV

| b-v = {{Val|−0.086|0.018}}

| u-b =

| variable =

}}

{{Starbox astrometry

| radial_v = {{Val|−8.7|0.9}}

| prop_mo_ra = −4.800

| prop_mo_dec = −2.598

| parallax = 1.7577

| p_error = 0.2697

| parallax_footnote =

| absmag_v = −2.62

}}

{{Starbox orbit

| reference =

| period_unitless = 880 days

| eccentricity = 0.30

| periastron = {{Val|2416300|ul=JD|fmt=commas}}

| periarg = 190

| k1 = 9

}}

{{Starbox detail

| source =

| mass = {{Val|12.5|0.6}}

| radius = 6.9

| luminosity_bolometric = 34,590

| temperature = 21,150

| gravity = 3.56

| metal_fe = −0.04

| rotational_velocity = 70

| age_myr = {{Val|15.7|0.1}}

}}

{{Starbox catalog

| names = {{odlist | F=6 Lac | BD=+42°4420 | FK5=3800 | HD=213420 | HIP=111104 | HR=8579 | SAO=52079 }}

}}

{{Starbox reference

| Simbad = 6+Lac

}}

6 Lacertae is a binary star system in the northern constellation of Lacerta, located around 1,900 light years from the Sun. It is visible to the naked eye as a dim, blue-white hued star with a combined apparent visual magnitude of 4.52. The system is moving closer to the Earth with a heliocentric radial velocity of −9 km/s, and is a suspected member of the Lac OB1 association.

This system forms a single-lined spectroscopic binary with an orbital period of 880 days and an eccentricity of 0.3. The visible component has a stellar classification of B2 IV, matching a B-type subgiant star. It is about 16 million years old with a relatively high projected rotational velocity of 70 km/s. The star has 12.5 times the mass of the Sun and about 7 times the Sun's radius. It is radiating a net 34,590 times the Sun's luminosity from its photosphere at an effective temperature of 21,150 K.

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Category:B-type subgiants

Category:Spectroscopic binaries

Category:Lacerta

Category:Durchmusterung objects