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The Nearest Stars, Brown Dwarfs, and White Dwarfs
Star System Discovery Name Distance (light-year) Spectral Type Location: RA Location (right ascension) given for Epoch 2000.0 Location: Dec Location (declination) given for Epoch 2000.0 Luminosity (Sun = 1)
Sun G2 V 1
1 1 Proxima Centauri 4.2 M5.5 V 14 29 −62 40 5 × 10 −5
2 2 Alpha Centauri A 4.4 G2 V 14 39 −60 50 1.5
3 Alpha Centauri B 4.4 K2 IV 14 39 −60 50 0.5
4 3 Barnard’s Star 6.0 M4 V 17 57 +04 42 4.4 × 10 −4
5 4 Wolf 359 7.8 M6 V 10 56 +07 00 2 × 10 −5
6 5 Lalande 21 185 8.3 M2 V 11 03 +35 58 5.7 × 10 −3
7 6 Sirius A 8.6 A1 V 06 45 −16 42 23.1
8 Sirius B 8.6 DA2 White dwarf stellar remnant 06 45 −16 43 2.5 × 10 −3
9 7 Luyten 726-8 A 8.7 M5.5 V 01 39 −17 57 6 × 10 −5
10 Luyten 726-8 B (UV Ceti) 8.7 M6 V 01 39 −17 57 4 × 10 −5
11 8 Ross 154 9.7 M.05 V 18 49 −23 50 5 × 10 −4
12 9 Ross 248 (HH Andromedae) 10.3 M5.5 V 23 41 +44 10 1.0 × 10 −4
13 10 Epsilon Eridani 10.5 K2 V 03 32 −09 27 0.29
14 11 Lacaille 9352 10.7 M0.5 V 23 05 −35 51 0.011
15 12 Ross 128 (FI Virginis) 10.9 M4 V 11 47 +00 48 3.4 × 10 −4
16 13 Luyten 789-6 A (EZ Aquarii A) 11.3 M5 V 22 38 −15 17 5 × 10 −5
17 Luyten 789-6 B (EZ Aquarii B) 11.3 M5.5 V 22 38 −15 15 5 × 10 −5
18 Luyten 789-6 C (EZ Aquarii C) 11.3 M6.5 V 22 38 −15 17 2 × 10 −5
19 14 61 Cygni A 11.4 K5 V 21 06 +38 44 0.086
20 61 Cygni B 11.4 K7 V 21 06 +38 44 0.041
21 15 Procyon A 11.4 F51V 07 39 +05 13 7.38
22 Procyon B 11.4 wd White dwarf stellar remnant 07 39 +05 13 5.5 × 10 −4
23 16 Sigma 2398 A 11.5 M3 V 18 42 +59 37 0.003
24 Sigma 2398 B 11.5 M3.5 V 18 42 +59 37 1.4 × 10 −3
25 17 Groombridge 34 A (GX Andromedae) 11.6 M1.5 V 00 18 +44 01 6.4 × 10 −3
26 Groombridge 34 B (GQ Andromedae) 11.6 M3.5 V 00 18 +44 01 4.1 × 10 −4
27 18 Epsilon Indi A 11.8 K5 V 22 03 −56 46 0.150
28 Epsilon Indi Ba 11.7 T1 Brown dwarf 22 04 −56 46
29 Epsilon Indi Bb 11.7 T6 Brown dwarf 22 04 −56 46
30 19 G 51-15 (DX Cancri) 11.8 M6.5 V 08 29 +26 46 1 × 10 −5
31 20 Tau Ceti 11.9 G8.5 V 01 44 −15 56 0.458
32 21 Luyten 372-58 12.0 M5 V 03 35 −44 30 7 × 10 −5
33 22 Luyten 725-32 (YZ Ceti) 12.1 M4.5 V 01 12 −16 59 1.8 × 10 −4
34 23 Luyten’s Star 12.4 M3.5 V 07 27 +05 13 1.4 × 10 −3
35 24 SCR J184-6357 A 12.6 M8.5 V 18 45 −63 57 1 × 10 −6
36 SCR J184-6357 B 12.7 T6 Brown dwarf 18 45 −63 57
37 25 Teegarden’s Star 12.5 M6 V 02 53 +16 52 1 × 10 −5
38 26 Kapteyn’s Star 12.8 M1 V 05 11 −45 01 3.8 × 10 −3
39 27 Lacaille 8760 (AX Microscopium) 12.9 K7 V 21 17 −38 52 0.029

Questions & Answers

what is biology
Hajah Reply
the study of living organisms and their interactions with one another and their environments
AI-Robot
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Victoria Reply
HOW CAN MAN ORGAN FUNCTION
Alfred Reply
the diagram of the digestive system
Assiatu Reply
allimentary cannel
Ogenrwot
How does twins formed
William Reply
They formed in two ways first when one sperm and one egg are splited by mitosis or two sperm and two eggs join together
Oluwatobi
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Josephine Reply
Genetics is the study of heredity
Misack
how does twins formed?
Misack
What is manual
Hassan Reply
discuss biological phenomenon and provide pieces of evidence to show that it was responsible for the formation of eukaryotic organelles
Joseph Reply
what is biology
Yousuf Reply
the study of living organisms and their interactions with one another and their environment.
Wine
discuss the biological phenomenon and provide pieces of evidence to show that it was responsible for the formation of eukaryotic organelles in an essay form
Joseph Reply
what is the blood cells
Shaker Reply
list any five characteristics of the blood cells
Shaker
lack electricity and its more savely than electronic microscope because its naturally by using of light
Abdullahi Reply
advantage of electronic microscope is easily and clearly while disadvantage is dangerous because its electronic. advantage of light microscope is savely and naturally by sun while disadvantage is not easily,means its not sharp and not clear
Abdullahi
cell theory state that every organisms composed of one or more cell,cell is the basic unit of life
Abdullahi
is like gone fail us
DENG
cells is the basic structure and functions of all living things
Ramadan
What is classification
ISCONT Reply
is organisms that are similar into groups called tara
Yamosa
in what situation (s) would be the use of a scanning electron microscope be ideal and why?
Kenna Reply
A scanning electron microscope (SEM) is ideal for situations requiring high-resolution imaging of surfaces. It is commonly used in materials science, biology, and geology to examine the topography and composition of samples at a nanoscale level. SEM is particularly useful for studying fine details,
Hilary
cell is the building block of life.
Condoleezza Reply
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Source:  OpenStax, Astronomy. OpenStax CNX. Apr 12, 2017 Download for free at http://cnx.org/content/col11992/1.13
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