Gliese 440 information

Gliese 440
	; Gliese 440 seen by the Hubble Space Telescope
Observation data; Epoch J2000.0 Equinox J2000.0 (ICRS)
Constellation	Musca
Right ascension	11h 45m 42.91694s
Declination	−64° 50′ 29.4620″
Apparent magnitude (V)	11.50
Characteristics
Spectral type	DQ6
U−B color index	-0.59
B−V color index	+0.19
Astrometry
Proper motion (μ)	RA: 2661.640 mas/yr ; Dec.: -344.933 mas/yr
Parallax (π)	215.6753 ± 0.0181 mas
Distance	15.123 ± 0.001 ly ; (4.6366 ± 0.0004 pc)
Details
Mass	0.56 ± 0.08 M☉
Radius	0.01 R☉
Luminosity	0.0005 L☉
Surface gravity (log g)	8.27 ± 0.05 cgs
Temperature	8,500 ± 300 K
Age	(as white dwarf); 1.44 Gyr
Other designations
	GJ 440, HIP 57367, BPM 7108, Ci 20 658, EGGR 82, L 145-141, LAWD 37, LHS 43, LP 145-141, LPM 396, LTT 4364, NLTT 28447, PLX 2716, PM 11429-6434, WD 1142-645, TYC 8981-4417-1, GSC 08981-04418, 2MASS J11454297-6450297
Database references
SIMBAD	data
	Gliese 440 Location of Gliese 440 in the constellation Musca;

Gliese 440, also known as LP 145-141 or LAWD 37,^[4] is an isolated white dwarf located 15.1 light-years (4.6 parsecs) from the Solar System in the constellation Musca.^[16] According to a 2009 paper, it is the fourth closest known white dwarf to the Sun (after Sirius B, Procyon B, and van Maanen's star.)^[17]

^ Cite error: The named reference heic2301a was invoked but never defined (see the help page).
^ "Constellation boundaries". Centre de Données astronomiques de Strasbourg. Retrieved 2007-07-16.
^ ^a ^b ^c ^d Cite error: The named reference GaiaDR3 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 wfpc2 was invoked but never defined (see the help page).
^ Cite error: The named reference mcgill was invoked but never defined (see the help page).
^ ^a ^b ^c ^d Cite error: The named reference brl was invoked but never defined (see the help page).
^ Gliese, W.; Jahreiß, H. (1991). "Gl 440". Preliminary Version of the Third Catalogue of Nearby Stars.
^ Perryman; et al. (1997). "HIP 57367". The Hipparcos and Tycho Catalogues.
^ Cite error: The named reference Porter1930 was invoked but never defined (see the help page).
^ Luyten, Willem Jacob (1979). "LHS 30". LHS Catalogue, 2nd Edition.
^ Luyten, Willem Jacob (1979). "NLTT 28447". NLTT Catalogue.
^ Van Altena W. F.; Lee J. T.; Hoffleit E. D. (1995). "GCTP 2716". The General Catalogue of Trigonometric Stellar Parallaxes (Fourth ed.).
^ Perryman; et al. (1997). "HIP 57367". The Hipparcos and Tycho Catalogues.
^ Hog; et al. (2000). "TYC 8981-4417-1". The Tycho-2 Catalogue.
^ Cite error: The named reference Henry2002 was invoked but never defined (see the help page).
^ Table 1, Sion Edward M (2009). "The white dwarfs within 20 parsecs of the sun: kinematics and statistics". The Astronomical Journal. 138 (6): 1681–1689. arXiv:0910.1288. Bibcode:2009AJ....138.1681S. doi:10.1088/0004-6256/138/6/1681. S2CID 119284418.

[heic2301a-1] Cite error: The named reference heic2301a was invoked but never defined (see the help page).

[2] "Constellation boundaries". Centre de Données astronomiques de Strasbourg. Retrieved 2007-07-16.

[GaiaDR3-3] Cite error: The named reference GaiaDR3 was invoked but never defined (see the help page).

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

[wfpc2-5] Cite error: The named reference wfpc2 was invoked but never defined (see the help page).

[mcgill-6] Cite error: The named reference mcgill was invoked but never defined (see the help page).

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

[Gliese1991-8] Gliese, W.; Jahreiß, H. (1991). "Gl 440". Preliminary Version of the Third Catalogue of Nearby Stars.

[van_Leeuwen2007-9] Perryman; et al. (1997). "HIP 57367". The Hipparcos and Tycho Catalogues.

[Porter1930-10] Cite error: The named reference Porter1930 was invoked but never defined (see the help page).

[Luyten1979_LHS-11] Luyten, Willem Jacob (1979). "LHS 30". LHS Catalogue, 2nd Edition.

[Luyten1979_NLTT-12] Luyten, Willem Jacob (1979). "NLTT 28447". NLTT Catalogue.

[van_Altena1995-13] Van Altena W. F.; Lee J. T.; Hoffleit E. D. (1995). "GCTP 2716". The General Catalogue of Trigonometric Stellar Parallaxes (Fourth ed.).

[Perryman1997_tyc-14] Perryman; et al. (1997). "HIP 57367". The Hipparcos and Tycho Catalogues.

[Hog2000-15] Hog; et al. (2000). "TYC 8981-4417-1". The Tycho-2 Catalogue.

[Henry2002-16] Cite error: The named reference Henry2002 was invoked but never defined (see the help page).

[17] Table 1, Sion Edward M (2009). "The white dwarfs within 20 parsecs of the sun: kinematics and statistics". The Astronomical Journal. 138 (6): 1681–1689. arXiv:0910.1288. Bibcode:2009AJ....138.1681S. doi:10.1088/0004-6256/138/6/1681. S2CID 119284418.

Observation data Epoch J2000.0 Equinox J2000.0 (ICRS)
Gliese 440 seen by the Hubble Space Telescope^[1]
Constellation	Musca^[2]
Right ascension	11^h 45^m 42.91694^s^[3]
Declination	−64° 50′ 29.4620″^[3]
Apparent magnitude (V)	11.50^[4]
Characteristics
Spectral type	DQ6^[5]
U−B color index	-0.59^[4]
B−V color index	+0.19^[4]
Astrometry

Proper motion (μ)	RA: 2661.640 mas/yr^[3] Dec.: -344.933 mas/yr^[3]
Parallax (π)	215.6753 ± 0.0181 mas^[3]
Distance	15.123 ± 0.001 ly (4.6366 ± 0.0004 pc)

Details

Mass	0.56 ± 0.08^[6] `M`_☉
Radius	0.01 `R`_☉
Luminosity	0.0005^[7] `L`_☉
Surface gravity (log g)	8.27 ± 0.05^[7] cgs
Temperature	8,500 ± 300^[7] K
Age	(as white dwarf)^[7] 1.44 Gyr

Other designations
GJ 440^[8], HIP 57367^[9], BPM 7108, Ci 20 658^[10], EGGR 82, L 145-141, LAWD 37, LHS 43^[11], LP 145-141, LPM 396, LTT 4364, NLTT 28447^[12], PLX 2716^[13], PM 11429-6434, WD 1142-645, TYC 8981-4417-1^[14]^[15], GSC 08981-04418, 2MASS J11454297-6450297
Database references
SIMBAD	data
Gliese 440 Location of Gliese 440 in the constellation Musca

Gliese 440 information

and 27 Related for: Gliese 440 information

Gliese 440

Gliese 445

Gliese 581

Gliese 581c

List of nearest stars and brown dwarfs

List of nearest bright stars

Gliese 876

Ross 248

Gliese 229

Gliese 581d

Lists of stars

GJ 1061

Tau Ceti

Gliese 1

Epsilon Eridani

Gliese 832

Gliese 581b

Procyon

Gliese 581g

Epsilon Indi Ab

Gliese 570

40 Eridani

Gliese 682

Altair

Van Maanen 2

Gliese 876 b

Gliese 526