2MASS 1507-1627

2MASS J15074769-1627386
Observation data Epoch J2000 Equinox J2000
Constellation	Libra
Right ascension	15^h 07^m 47.69^s
Declination	−16° 27′ 38.6″
Characteristics
Spectral type	L5
Apparent magnitude (R)	~19
Apparent magnitude (J)	12.830 ± 0.027
Apparent magnitude (H)	11.895 ± 0.024
Apparent magnitude (K)	11.312 ± 0.026
Astrometry

Proper motion (μ)	RA: -92 mas/yr Dec.: -875 mas/yr
Parallax (π)	136.4 ± 0.6 mas
Distance	23.9 ± 0.1 ly (7.33 ± 0.03 pc)

Details

Temperature	1300 - 2000 K

Other designations
2MASS 1507-1627; 2MASSW J1507476-162738; 2MUCD 11296; 2MASSI J1507476-162738

2MASS J15074769-1627386 (also abbreviated to 2MASS 1507-1627) is a brown dwarf in the constellation Libra, located about 23.9 light-years from Earth. It was discovered in 2000 by I. Neill Reid et al. It belongs to the spectral class L5; its surface temperature is 1300 to 2000 Kelvin. As with other brown dwarfs of spectral type L, its spectrum is dominated by metal hydrides and alkali metals. Its position shifts due to its proper motion by 0.9031 arcseconds per year. It has a parallax of (136.4 ± 0.6) milliseconds of arc.

External links

Coordinates: 15^h 07^m 47.69^s, −16° 27′ 38.6″

Stars of Libra

Bayer	α (Zubenelgenubi) β (Zubeneschamali) γ (Zuben Elakrab) δ (Zuben Elakribi) ε ζ¹ ζ³ ζ⁴ η θ ι¹ ι² κ λ μ ν ξ¹ ξ² ο σ (Brachium, γ Sco) τ υ

Flamsteed	2 3 4 5 10 11 12 16 17 18 22 23 26 28 30 33 36 37 41 42 47 48 49 50 30 Ser

Variable	UZ VZ EH ES FY GW GX HI HM HP HR IU KU

HR	5390 5393 5438 5455 5499 5504 5513 5518 5521 5522 5583 5590 5620 5641 5655 5658 5669 5678 5707 5720 5749 5756 5762 5765 5801 5806 5809 5810 5816 5819 5847 5856 5866 5896 5927

HD	126363 132953 134440 134758 136646 137798 140283 141569 141937

Gliese	Gliese 570 (KX) Gliese 581 (HO)

Other	HE 1523-0901 2MASS 1507-1627 WISE 1541-2250

List

This article is issued from Wikipedia - version of the Tuesday, October 13, 2015. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.