3 Corvi

{{Short description|Star in the constellation Corvus}}

{{Starbox begin}}

{{Starbox observe

| epoch = J2000.0

| constell = Corvus

| ra = {{RA|12|11|03.83987}}

| dec = {{DEC|−23|36|08.7221}}

| appmag_v = 5.45

}}

{{Starbox character

| type = main sequence

| class = A1 V

| b-v = {{Val|0.055|0.004}}

}}

{{Starbox astrometry

| radial_v = {{Val|+14.41|1.09}}

| prop_mo_ra = −66.853

| prop_mo_dec = −19.826

| parallax = 17.0039

| p_error = 0.1918

| parallax_footnote =

| absmag_v = 1.61

}}

{{Starbox detail

| source =

| mass = 2.14

| radius = 1.87

| gravity = {{Val|4.12|0.22}}

| luminosity = {{Val|9.55|1.17|1.04}}

| temperature = {{Val|9671|329|fmt=commas}}

| metal_fe = {{Val|+0.17|0.41}}

| rotational_velocity = 130

| age_myr = {{Val|907.37|92.96|899.21}}

}}

{{Starbox catalog

| names = {{odlist | F=3 Crv | BD=22°3305 | HD=105850 | HIP=59394 | HR=4635 | SAO=180546 }}

}}

{{Starbox reference

| Simbad = 3+Crv

}}

{{Starbox end}}

3 Corvi is a single star in the southern constellation of Corvus, located 192 light years away from the Sun. It is visible to the naked eye as a faint, white-hued star with an apparent visual magnitude of 5.45. This object is moving further from the Earth with a heliocentric radial velocity of +14 km/s.

This is an A-type main-sequence star with a stellar classification of A1 V. It has 2.14 times the mass of the Sun and 1.87 times the Sun's radius. The star is around 900 million years old with a high rate of rotation, showing a projected rotational velocity of 130 km/s. It is radiating ten times the luminosity of the Sun from its photosphere at an effective temperature of 9,671 K. An infrared excess has been detected, suggesting that a debris disk with a temperature of 150 K is orbiting {{Val|14.7|ul=AU}} from the host star.

References

{{reflist|refs=

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{{cite simbad | title=3 Crv | access-date=2019-04-11 }}

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}}

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{{citation

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| journal=Monthly Notices of the Royal Astronomical Society

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| arxiv=1806.10687 | s2cid=119221436 | postscript=. }}

}}

{{Stars of Corvus}}

Category:A-type main-sequence stars

Category:Circumstellar disks

Category:Corvus (constellation)

Category:Durchmusterung objects

Corvi, 3

105850

059394

4635