Gliese 682

Short description: Star in the constellation Scorpius

Coordinates:  17h 37m 03.6613s, −44° 19′ 09.18″

Gliese 682

Gliese 682

Location of Gliese 682 in the constellation Scorpius

Observation data
Equinox J2000.0]] (ICRS)
Constellation | Scorpius[1]
Right ascension |  17h 37m 03.6655s[2]
Declination | −44° 19′ 09.166″[2]
Apparent magnitude (V) | 10.94[3]
Characteristics
Spectral type | M3.5V[4]
Apparent magnitude (B) | ~12.61[5]
Apparent magnitude (V) | ~10.96[5]
Apparent magnitude (J) | 6.544 ±0.023[5]
Apparent magnitude (H) | 5.917 ±0.038[5]
Apparent magnitude (K) | 5.606 ±0.020[5]
Astrometry
Radial velocity (Rv)| −34.90±0.30[2] km/s
Proper motion (μ)|  RA: −705.945±0.035[2] mas/yr
Dec.: −938.080±0.021[2] mas/yr
Parallax (π)| 199.6944 ± 0.0312[2] mas
Distance| 16.333 ± 0.003 ly
(5.0077 ± 0.0008 pc)
Absolute magnitude (MV)| 12.4[6]
Details
Mass| 0.27[4] M☉
Radius| 0.30[3] R☉
Luminosity| 0.008118[4] L☉
Surface gravity (log g)| 4.95[7] cgs
Temperature| 3,237[3] K
Metallicity [Fe/H]| 0.05±0.09[7] dex
Rotational velocity (v sin i)| 3.42[8] km/s
Age| 6.4±4.3[7] Gyr
Other designations

CD−44°11909, GJ 682, HIP 86214, LFT 1358, LHS 451, PLX 3992

Database references
SIMBAD| star
| planet b
| planet c
Exoplanet Archive| data
ARICNS| data

Gliese 682, also known as GJ 682, is a nearby star. It is listed as the 53rd-nearest known star system to the Sun,[9] being 16.3 light years distant. Even though it is close by, as a red dwarf, it is dim with a magnitude of 10.95 and thus requires a telescope to be seen. It is located in the constellation of Scorpius, near the bright star Theta Scorpii.[5] The star is in a crowded region of sky near the Galactic Center, and so appears to be near a number of deep-sky objects from the Solar System's perspective. The star is only 0.5 degrees from the much more distant globular cluster NGC 6388.

## Search for planets

Two candidate planets were detected orbiting Gliese 682 in 2014, one of which would be in the habitable zone.[10][11] However, a 2020 study did not find these planets and concluded that the radial velocity signals were probably caused by stellar activity.[12]

## References

1. ↑ Anderson, E.; Francis, Ch. (2012). "XHIP: An extended hipparcos compilation". Astronomy Letters 38 (5): 331. doi:10.1134/S1063773712050015. Bibcode: 2012AstL...38..331A.
2. ↑ 2.0 2.1 2.2 2.3 2.4 Vallenari, A. et al. (2022). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy & Astrophysics. doi:10.1051/0004-6361/202243940 Gaia DR3 record for this source at VizieR.
3. ↑ 3.0 3.1 3.2 Suissa, Gabrielle; Mandell, Avi M.; Wolf, Eric T.; Villanueva, Geronimo L.; Fauchez, Thomas; Kopparapu, Ravi Kumar (2020). "Dim Prospects for Transmission Spectra of Ocean Earths around M Stars". The Astrophysical Journal 891 (1): 58. doi:10.3847/1538-4357/ab72f9. Bibcode: 2020ApJ...891...58S.
4. ↑ 4.0 4.1 4.2 Martínez-Rodríguez, Héctor; Caballero, José Antonio; Cifuentes, Carlos; Piro, Anthony L.; Barnes, Rory (2019). "Exomoons in the Habitable Zones of M Dwarfs". The Astrophysical Journal 887 (2): 261. doi:10.3847/1538-4357/ab5640. Bibcode: 2019ApJ...887..261M.
5. ↑ 5.0 5.1 5.2 5.3 5.4 5.5 "LHS 451 -- High proper-motion Star". Centre de Données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-id?Ident=GJ+682.
6. ↑ Boro Saikia, S.; Marvin, C. J.; Jeffers, S. V.; Reiners, A.; Cameron, R.; Marsden, S. C.; Petit, P.; Warnecke, J. et al. (2018). "Chromospheric activity catalogue of 4454 cool stars. Questioning the active branch of stellar activity cycles". Astronomy and Astrophysics 616: 616. doi:10.1051/0004-6361/201629518. Bibcode: 2018A&A...616A.108B.
7. ↑ 7.0 7.1 7.2 Maldonado, J.; Micela, G.; Baratella, M.; d'Orazi, V.; Affer, L.; Biazzo, K.; Lanza, A. F.; Maggio, A. et al. (2020). "HADES RV programme with HARPS-N at TNG. XII. The abundance signature of M dwarf stars with planets". Astronomy and Astrophysics 644: A68. doi:10.1051/0004-6361/202039478. Bibcode: 2020A&A...644A..68M.
8. ↑ Hojjatpanah, S.; Figueira, P.; Santos, N. C.; Adibekyan, V.; Sousa, S. G.; Delgado-Mena, E.; Alibert, Y.; Cristiani, S. et al. (2019). "Catalog for the ESPRESSO blind radial velocity exoplanet survey". Astronomy and Astrophysics 629: A80. doi:10.1051/0004-6361/201834729. Bibcode: 2019A&A...629A..80H.
9. ↑ Reylé, Céline; Jardine, Kevin; Fouqué, Pascal; Caballero, Jose A.; Smart, Richard L.; Sozzetti, Alessandro (30 April 2021). "The 10 parsec sample in the Gaia era". Astronomy & Astrophysics 650: A201. doi:10.1051/0004-6361/202140985. Bibcode: 2021A&A...650A.201R. Data available at https://gruze.org/10pc/
10. ↑ Tuomi, M. et al. (2014). "Bayesian search for low-mass planets around nearby M dwarfs - estimates for occurrence rate based on global detectability statistics". Monthly Notices of the Royal Astronomical Society 441 (2): 1545. doi:10.1093/mnras/stu358. Bibcode: 2014MNRAS.441.1545T.
11. ↑ "The Habitable Exoplanets Catalog". University of Puerto Rico at Arecibo. http://phl.upr.edu/projects/habitable-exoplanets-catalog.
12. ↑ Feng, Fabo; Butler, R. Paul; Shectman, Stephen A.; Crane, Jeffrey D.; Vogt, Steve; Chambers, John; Jones, Hugh R. A.; Wang, Sharon Xuesong et al. (8 January 2020). "Search for Nearby Earth Analogs. II. Detection of Five New Planets, Eight Planet Candidates, and Confirmation of Three Planets around Nine Nearby M Dwarfs". The Astrophysical Journal Supplement Series 246 (1): 11. doi:10.3847/1538-4365/ab5e7c. Bibcode: 2020ApJS..246...11F.

* v
* t
* e

← Celestial objects within 15–20 light-years

| Primary member type|

Celestial objects by systems. Secondary members are listed in small print.

| Subgiant stars|

| G-type|

* δ Pav (19.923±0.021 ly)

|

| Main-sequence
stars|

| A-type|

* Altair (α Aql) (16.73±0.05 ly)

|

G-type|

* σ Dra (18.769±0.019 ly)
* η Cas (19.42±0.06 ly)
* K-type main-sequence star B
* e (82 G.) Eri (19.711±0.023 ly)
* 3 planets: b
* c
* d

K-type|

* Groombridge 1618 (15.89±0.04 ly)
* ο² (40) Eri (16.257±0.019 ly)
* white dwarf B
* red dwarf C
* 70 Oph (16.58±0.07 ly)
* K-type main-sequence star B
* GJ 570 (19.05+0.11−0.10 ly)
* 2 red dwarfs: B
* C
* T-type brown dwarf D
* 36 Oph (19.35±0.06 ly)
* 2 K-type main-sequence stars: B
* C
* HR 7703 (19.62±0.03 ly)
* red dwarf B

M-type
(red dwarfs)|

* GJ 876 (15.198±0.014 ly)
* 4 (6?) planets: d
* f?
* g?
* c
* b
* e
* LHS 288 (15.61+0.21−0.20 ly)
* GJ 1002 (15.74+0.24−0.23 ly)
* GJ 412 (15.81±0.08 ly)
* red dwarf B
* AD Leo (16.00±0.22 ly)
* GJ 832 (16.16±0.08 ly)
* 2 planets: c
* b
* EV Lac (16.37±0.08 ly)
* GJ 682 (16.56±0.18 ly)
* 2 planets: b
* c
* GJ 3379 (16.85±0.16 ly)
* G 9-38 (17.05+0.23−0.22 ly)
* red dwarf B
* LHS 1723 (17.29±0.07 ly)
* GJ 445 (17.58+0.14−0.13 ly)
* GJ 526 (17.73±0.10 ly)
* Stein 2051 (18.06±0.08 ly)
* white dwarf B
* GJ 251 (18.22±0.16 ly)
* GJ 205 (18.45±0.12 ly)
* LP 816-60 (18.6±0.4 ly)
* GJ 229 (18.77±0.11 ly)
* T-type brown dwarf B
* 1? planets: Ab?
* GJ 693 (18.95+0.25−0.24 ly)
* Ross 47 (18.99±0.12 ly)
* GJ 752 (19.05±0.08 ly)
* red dwarf B (vB 10)
* GJ 754 (19.30±0.18 ly)
* TYC 3980-1081-1 (19.3±4.3 ly)
* GJ 588 (19.34±0.15 ly)
* YZ CMi (19.43+0.27−0.26 ly)
* GJ 908 (19.50±0.14 ly)
* GJ 1005 (19.58±0.09 ly)
* red dwarf B
* 2MASS J05332802-4257205 (~19.6 ly)
* Scholz's Star (19.60+0.40−0.28 ly)
* T-type brown dwarf B
* GJ 268 (19.74±0.25 ly)
* red dwarf B

| Degenerate
stars|

| White dwarfs|

* LP 145-141 (15.11±0.09 ly)
* G 240-72 (19.80+0.29−0.28 ly)

|

| Brown dwarfs|

| M-type|

* 2MASS 1835+3259 (18.48±0.05 ly)

|

L-type|

* DEN 0255-4700 (16.20+0.32−0.31 ly)

T-type|

* DEN 0817-6155 (16.1+1.1−1.0 ly)
* WISE J0521+1025 (16.3±4.2 ly)
* 2MASS 0939-2448 (17.4±0.4 ly)
* T-type brown dwarf B
* WISE 1741+2553 (18.1+1.6−1.4 ly)
* 2MASS 1114-2618 (18.20±0.14 ly)
* 2MASS 0415-0935 (18.62±0.18 ly)
* WISE J2000+3629 (19.4±6.7 ly)
* 2MASS 0937+2931 (19.96+0.22−0.21 ly)

Y-type|

* WISE 1639-6847 (16.12+0.25−0.24 ly)
* WISE 0359−5401 (19.2+4.2−2.6 ly)

| Sub-brown dwarfs
and rogue planets|

| Y-type|

* WISE 1541−2250 (18.6±0.5 ly)

|

Italic are systems without known trigonometric parallax.

* v
* t
* e

Stars of Scorpius

Bayer|

* α (Antares)
* β (Acrab)
* δ (Dschubba)
* ε (Larawag)
* ζ1
* ζ2
* η
* θ (Sargas)
* ι1
* ι2
* κ (Girtab)
* λ (Shaula)
* μ1 (Xamidimura)
* μ2 (Pipirima)
* ν (Jabbah)
* ξ
* ο
* π (Fang)
* ρ (Iklil)
* σ (Alniyat)
* τ (Paikauhale)
* υ (Lesath)
* χ
* ψ
* ω1 (Piri-ere-ua)
* ω2 (Piri-ere-ua)
* G (Fuyue)
* H (β Nor)
* N (α Nor)
* Q

Flamsteed|

* 1 (b)
* 2 (A)
* 3
* 4
* 11
* 12 (c1)
* 13 (c2)
* 16
* 18
* 22 (i)
* 25
* 27

Variable|

* T
* U
* RR
* RS
* RV
* RY
* RZ
* AH
* AI
* AK
* AR
* BM
* CL
* FQ
* HK
* KQ
* V393
* V453
* V455
* V482
* V500
* V636
* V701
* V703
* V718
* V745
* V760
* V856
* V861
* V866
* V893
* V900
* V905
* V906
* V907
* V911
* V913
* V915
* V918
* V919
* V921
* V922
* V923
* V929
* V933
* V949
* V951
* V952
* V957
* V965
* V970
* V973
* V975
* V992
* V1003
* V1007
* V1018
* V1026
* V1034
* V1036
* V1040
* V1051
* V1058
* V1068
* V1073 (k)
* V1074
* V1075
* V1077
* V1094
* V1104
* V1186
* V1187
* V1280
* V1292
* V1294
* V1309
* VVV-WIT-07

HR|

* 5906
* 5910
* 5934
* 5965
* 5969
* 5973
* 5996
* 5998
* 5999
* 6000
* 6001
* 6003
* 6006
* 6007
* 6012
* 6015
* 6017
* 6044
* 6051
* 6053
* 6054
* 6061
* 6070 (d)
* 6076
* 6077
* 6078
* 6080
* 6094
* 6097
* 6100
* 6106
* 6122
* 6145
* 6160
* 6178
* 6192
* 6206
* 6209
* 6210
* 6211
* 6214
* 6218
* 6221
* 6244
* 6260
* 6266
* 6272
* 6273
* 6282
* 6298
* 6311
* 6316
* 6331
* 6338
* 6344
* 6366
* 6371
* 6381
* 6382
* 6389
* 6398
* 6403
* 6405
* 6409
* 6420
* 6454
* 6456
* 6460
* 6470
* 6501
* 6503
* 6517
* 6523
* 6539
* 6557
* 6558
* 6583
* 6587
* 6597
* 6613
* 6628
* 6643
* 6648
* 6649
* 6651
* 6653
* 6657
* 6658
* 6668
* 6671
* 6675
* 6678
* 6682
* 6683

HD|

* 143567
* 144432
* 145377
* 146436
* 150248
* 150420
* 152424
* 153234
* 153950
* 155985
* 158042
* 159868
* 162020

Gliese|

* Gliese 618
* Gliese 667
* Gliese 682

Other|

* CD -35 11760
* CD -38 10980
* EPIC 204278916
* EPIC 204376071
* GCRT J1745−3009
* GRO J1655-40
* GSC 06214-00210
* GX 340+0
* GX 349+2
* H1-36
* H1743-322
* HIP 79431
* IGR J17091-3624
* IGR J17252−3616
* IRAS 17163−3907
* K2-33
* LSS 4067
* MOA-2008-BLG-310L
* MXB 1735-44
* OAO 1657-415
* OGLE-2005-BLG-071L
* OGLE-2005-BLG-390L
* OGLE-2006-BLG-109L
* OGLE-2007-BLG-368L
* Oph 162225-240515
* Pismis 24-1
* PSR B1620−26
* PSR B1706−44
* PSR B1737−30
* PSR J1614−2230
* Rapid Burster
* 1RXS J160929.1−210524
* 1RXS J170849.0−400910
* Scorpius X-1
* Th 28
* 4U 1700-37
* 4U 1702-42
* 4U 1705-44
* 4U 1724-307
* 4U 1728-34
* 4U 1746-371
* UScoCTIO 108
* WASP-17
* WR 86
* WR 93b
* Wray 17-96
* XTE J1720−318
* XTE J1739−302
* XTE J1751−305

* List

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