GJ 1061 information

GJ 1061
	GJ 1061 Location of GJ 1061 in the constellation Horologium;
Observation data; Epoch J2000 Equinox J2000
Constellation	Horologium
Right ascension	03h 35m 59.69916s
Declination	−44° 30′ 45.7308″
Apparent magnitude (V)	13.03
Characteristics
Spectral type	M5.5 V
Apparent magnitude (J)	7.52 ± 0.02
U−B color index	1.52
B−V color index	1.90
Astrometry
Radial velocity (Rv)	1.49±0.23 km/s
Proper motion (μ)	RA: 745.654 mas/yr ; Dec.: −373.323 mas/yr
Parallax (π)	272.1615 ± 0.0316 mas
Distance	11.984 ± 0.001 ly ; (3.6743 ± 0.0004 pc)
Absolute magnitude (MV)	15.26
Details
Mass	0.125±0.003 M☉
Radius	0.152±0.007 R☉
Luminosity (bolometric)	0.001641±0.000037 L☉
Luminosity (visual, LV)	0.00007 L☉
Temperature	2,977+72; −69 K
Metallicity [Fe/H]	−0.03±0.09 dex
Rotational velocity (v sin i)	≤ 5 km/s
Age	>7.0±0.5 Gyr
Other designations
	GJ 1061, LHS 1565, LFT 295, LTT 1702, LP 995-46, L 372-58
Database references
SIMBAD	data

GJ 1061 is a red dwarf star located 12 light-years (3.7 parsecs) from Earth in the southern constellation of Horologium. Even though it is a relatively nearby star, it has an apparent visual magnitude of about 13,^[2] so it can only be seen with at least a moderately-sized telescope.

The proper motion of GJ 1061 has been known since 1974, but it was estimated to be further away: approximately 25 light-years (7.7 parsecs) distant based upon an estimated parallax of 0.130″. The RECONS accurately determined its distance in 1997. At that time, it was the 20th-nearest star system to the Sun. The discovery team noted that many more stars like this are likely to be discovered nearby.^[2]

This star is a tiny, dim, red dwarf, close to the lower mass limit. It has an estimated mass of about 12.5% that of the Sun and is only about 0.2% as luminous.^[5] The star displays no significant infrared excess due to circumstellar dust.^[8]

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^ ^a ^b ^c ^d Cite error: The named reference Henry1997 was invoked but never defined (see the help page).
^ ^a ^b ^c ^d Cite error: The named reference SIMBAD was invoked but never defined (see the help page).
^ Cite error: The named reference aaa353 was invoked but never defined (see the help page).
^ ^a ^b ^c ^d ^e ^f Cite error: The named reference Pineda2021 was invoked but never defined (see the help page).
^ Cite error: The named reference Barnes2014 was invoked but never defined (see the help page).
^ Cite error: The named reference angladaescude2019 was invoked but never defined (see the help page).
^ Cite error: The named reference Avenhaus2012 was invoked but never defined (see the help page).

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[GaiaDR3-1] Cite error: The named reference GaiaDR3 was invoked but never defined (see the help page).

[Henry1997-2] Cite error: The named reference Henry1997 was invoked but never defined (see the help page).

[SIMBAD-3] Cite error: The named reference SIMBAD was invoked but never defined (see the help page).

[aaa353-4] Cite error: The named reference aaa353 was invoked but never defined (see the help page).

[Pineda2021-5] ^ ^a ^b ^c ^d ^e ^f Cite error: The named reference Pineda2021 was invoked but never defined (see the help page).

[Barnes2014-7] Cite error: The named reference Barnes2014 was invoked but never defined (see the help page).

[angladaescude2019-8] Cite error: The named reference angladaescude2019 was invoked but never defined (see the help page).

[Avenhaus2012-9] Cite error: The named reference Avenhaus2012 was invoked but never defined (see the help page).

Observation data Epoch J2000 Equinox J2000
GJ 1061 Location of GJ 1061 in the constellation Horologium
Constellation	Horologium
Right ascension	03^h 35^m 59.69916^s^[1]
Declination	−44° 30′ 45.7308″^[1]
Apparent magnitude (V)	13.03^[2]
Characteristics
Spectral type	M5.5 V^[2]
Apparent magnitude (J)	7.52 ± 0.02^[3]
U−B color index	1.52^[3]
B−V color index	1.90^[3]
Astrometry

Radial velocity (R_v)	1.49±0.23^[1] km/s
Proper motion (μ)	RA: 745.654 mas/yr^[1] Dec.: −373.323 mas/yr^[1]
Parallax (π)	272.1615 ± 0.0316 mas^[1]
Distance	11.984 ± 0.001 ly (3.6743 ± 0.0004 pc)
Absolute magnitude (M_V)	15.26^[4]

Details

Mass	0.125±0.003^[5] `M`_☉
Radius	0.152±0.007^[5] `R`_☉
Luminosity (bolometric)	0.001641±0.000037^[5] `L`_☉
Luminosity (visual, L_V)	0.00007^{[nb 1]} `L`_☉
Temperature	2,977+72 −69^[5] K
Metallicity [Fe/H]	−0.03±0.09^[5] dex
Rotational velocity (v sin i)	≤ 5^[6] km/s
Age	>7.0±0.5^[7] Gyr

Other designations
GJ 1061, LHS 1565, LFT 295, LTT 1702, LP 995-46, L 372-58^[3]
Database references
SIMBAD	data

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