83 Aquarii

{{Starbox image

| image=

{{Location mark

|image=Aquarius constellation map.svg|alt=|float=center|width=280

|label=|position=right

|mark=Red circle.svg|mark_width=10|mark_link=83 Aquarii

|x=282|y=440

}}

|caption=Location of 83 Aquarii (circled)

}}

{{Starbox observe

| epoch = J2000

| ra = {{RA|23|05|09.78684}}

| dec = {{DEC|−07|41|37.6853}}

| appmag_v = 5.43 (6.20/6.34)

| constell = Aquarius

}}

{{Starbox character

| class = {{nowrap|F2 Vn + F2 V}}

| b-v = +0.30

| u-b = +0.07

| variable =

}}

{{Starbox astrometry

| radial_v = −13

| prop_mo_ra = +122.41

| prop_mo_dec = +7.11

| parallax = 15.57

| p_error = 0.61

| parallax_footnote =

| absmag_v =

}}

{{Starbox visbin

| name = 83 Aquarii B

| reference =

| period = {{nowrap|21.840 ± 0.019}}

| axis = {{nowrap|0.2026 ± 0.0007}}

| eccentricity= {{nowrap|0.3878 ± 0.0025}}

| inclination = {{nowrap|48.01 ± 0.42}}

| node = {{nowrap|204.87 ± 0.50}}

| periarg = {{nowrap|82.83 ± 0.45}}

| periastron = {{nowrap|1983.108 ± 0.022}}

}}

{{Starbox catalog

| names = BD−08 6018, h Aquarii, HD 218060, HIP 113996, HR 8782, SAO 146498.

}}

83 Aquarii (abbreviated 83 Aqr) is a binary star system in the equatorial constellation of Aquarius. The combined apparent visual magnitude of the pair is 5.43, which is faintly visible to the naked eye. Based upon an annual parallax shift of 15.57 milliarcseconds, it is located at a distance of around {{Convert|209|ly|pc|abbr=off|lk=on}} from Earth.

Both stars are F-type main sequence stars. The first component has an apparent magnitude of 6.20; the second is magnitude 6.34. They are orbiting each other with a period of 21.84 years with an eccentricity of 0.388.

On 11 April 2024, it had a close conjunction (geocentric separation <1') with Saturn.{{cite book |date=2002 |first=Jan |last=Meeus |chapter=Mutual occultations of planets |pages=174–185 |title=More Mathematical Astronomy Morsels |isbn=0943396743 |url=https://falakmu.id/khgt/dokumen/More%20mathematical%20astronomy%20morsels%20(Jean%20Meeus)%20(Z-Library).pdf}}{{rp|167}}

References

{{reflist|refs=

{{cite journal

| last1=Kostjuk | first1=N. D.

| title=VizieR Online Data Catalog: HD-DM-GC-HR-HIP-Bayer-Flamsteed Cross Index (Kostjuk, 2002)

| journal=VizieR On-line Data Catalog: IV/27A. Originally Published in: Institute of Astronomy of Russian Academy of Sciences (2002)

| volume=4027 | year=2004

| bibcode=2004yCat.4027....0K }}

{{citation | first=F. | last=van Leeuwen |date=November 2007 | title=Validation of the new Hipparcos reduction | journal=Astronomy and Astrophysics | volume=474 | issue=2 | pages=653–664 | bibcode=2007A&A...474..653V | doi=10.1051/0004-6361:20078357 | postscript=. |arxiv = 0708.1752 | s2cid=18759600 }}

{{citation | last1=Eggleton | first1=P. P. | last2=Tokovinin | first2=A. A. | title=A catalogue of multiplicity among bright stellar systems | journal=Monthly Notices of the Royal Astronomical Society | volume=389 | issue=2 | pages=869–879 |date=September 2008 | doi=10.1111/j.1365-2966.2008.13596.x | doi-access=free | bibcode=2008MNRAS.389..869E | postscript=. |arxiv = 0806.2878 | s2cid=14878976 }}

{{citation | last1=Hartkopf | first1=W. I. | last2=Mason | first2=B. D. | last3=McAlister | first3=H. A. | title=Binary star orbits from speckle interferometry. VIII. Orbits of 37 close visual systems | journal=Astronomical Journal | volume=111 | pages=370–392 | year=1996 | bibcode=1996AJ....111..370H | postscript=. |doi = 10.1086/117790 | doi-access=free }}

{{citation | last1=Nicolet | first1=B. | title=Catalogue of homogeneous data in the UBV photoelectric photometric system | journal=Astronomy and Astrophysics Supplement Series | volume=34 | pages=1–49 |date=October 1978 | bibcode=1978A&AS...34....1N | postscript=. }}

{{citation | last=Wilson | first=Ralph Elmer | year=1953 | title=General Catalogue of Stellar Radial Velocities | journal=Carnegie Institute Washington D.C. Publication | publisher=Carnegie Institution of Washington | location=Washington | bibcode=1953GCRV..C......0W | postscript=. }}

}}

External links

[http://aladin.u-strasbg.fr/AladinPreview?-c=BD-08++6018A&ident=BD-08++6018A&submit=Aladin+previewer Image 83 Aquarii]

Aquarii, h

Aquarii, 083

218060

Category:Binary stars

Category:Aquarius (constellation)

113996

Category:F-type main-sequence stars

8782

BD-08 6018