User:Nussun05/Angular diameter size comparison
List
[edit]| Name | Angular diameter | Note | Reference |
|---|---|---|---|
| Large Magellanic Cloud | 10.76° × 9.158° | NED | |
| Small Magellanic Cloud | 5.27° × 3.104° | NED | |
| Andromeda Galaxy | 3.176° × 1.029° | NED | |
| Pleiades | 2.548° | Diameter corresponds to where half of the member stars are located. | Bibcode:2020A&A...633A..99C |
| Beehive Cluster | 1.97° | Diameter corresponds to where half of the member stars are located. | Bibcode:2020A&A...633A..99C |
| 47 Tucanae | 43.8′ | Bibcode:2019MNRAS.489.3093S | |
| Moon | 31.6′ | Varies between 29.3′ and 34.1′. | [1] |
| Double Cluster | 16.32′ (h Persei) and 15′ (χ Persei) | Diameters correspond to where half of the member stars are located. | Bibcode:2020A&A...633A..99C |
| Westerlund 1 | 3′ | Bibcode:2013A&A...560A..76M | |
| RSGC1 | 2.667′ | Bibcode:2013A&A...560A..76M | |
| Hubble Deep Field | 2.6′ × 2.6′ | ||
| Hubble Ultra-Deep Field | 2.4′ × 2.4′ | ||
| Webb's First Deep Field | 2.4′ | [2] | |
| Hubble eXtreme Deep Field | 2.3′ × 2′ | ||
| Venus | 60.0″ | Mean value at inferior conjunction with Earth. Varies between 9.7″ and 66.1″. | [3] |
| Jupiter | 46.9″ | Mean value at opposition with Earth. Varies between 30.5″ and 50.1″. | [4] |
| Quintuplet Cluster | 30″ | Bibcode:2013A&A...560A..76M | |
| Arches Cluster | 23″ | Bibcode:2013A&A...560A..76M | |
| Saturn | 18.8″ | Mean value at opposition with Earth. Varies between 14.5″ and 19.9″. | [5] |
| Mars | 17.8″ | Mean value at opposition with Earth. Varies between 3.5″ and 25.6″. | [6] |
| Mercury | 11.0″ | Mean value at inferior conjunction with Earth. Varies between 4.5″ and 13.0″. | [7] |
| Uranus | 3.8″ | Mean value at opposition with Earth. Varies between 3.3″ and 4.1″. | [8] |
| Neptune | 2.3″ | Mean value at opposition with Earth. Varies between 2.2″ and 2.4″. | [9] |
| Pluto | 80 mas | Mean value at opposition with Earth. Varies between 60 mas and 110 mas. | [10] |
| R Doradus | 51.18±2.24 mas | Largest star by angular diameter after the Sun. | Bibcode:2019ApJ...883...89O |
| Betelgeuse | 42.28±0.43 mas | Bibcode:2014A&A...572A..17M | |
| Antares | 37.31±0.09 mas | Bibcode:2013A&A...555A..24O | |
| Mira | 31.71±0.32 mas | Pulsates between 28.9±0.29 mas and 34.92±0.35 mas. | Bibcode:2004A&A...421..703W |
| Arcturus | 21.06±0.17 mas | Bibcode:2011ApJ...743..135R | |
| Aldebaran | 20.58±0.03 mas | Bibcode:2005A&A...433..305R | |
| Scheat | 17.98±0.18 mas | Bibcode:2003AJ....126.2502M | |
| Tejat | 15.12±0.15 mas | Bibcode:2003AJ....126.2502M | |
| Mirach | 13.75±0.14 mas | Bibcode:2003AJ....126.2502M | |
| La Superba | 11.86 mas | Bibcode:1996AJ....112..294D | |
| VY Canis Majoris | 11.3±0.3 mas | Bibcode:2012A&A...540L..12W | |
| Kochab | 10.301±0.103 mas | Bibcode:2003AJ....126.2502M | |
| Alphard | 9.36±0.06 mas | Bibcode:2013MNRAS.434..437C | |
| Rigil Kentaurus | 8.502±0.038 mas | Bibcode:2017A&A...597A.137K | |
| Canopus | 7.184±0.031 mas | Bibcode:2021A&A...654A..19D | |
| Dubhe | 6.419±0.041 mas | Bibcode:2018AJ....155...30B | |
| Toliman | 5.999±0.025 mas | Bibcode:2017A&A...597A.137K | |
| Sirius | 5.993±0.108 mas | Bibcode:2003AJ....126.2502M | |
| Procyon | 5.448±0.053 mas | Bibcode:2004A&A...413..251K | |
| W Canis Majoris | 4.89±0.016 mas | Bibcode:2013ApJ...775...45V | |
| ψ Ursae Majoris | 4.131±0.007 mas | Bibcode:2018AJ....155...30B | |
| Edasich | 3.559±0.011 mas | Bibcode:2018AJ....155...30B | |
| Altair | 3.309±0.006 mas | Bibcode:2018AJ....155...30B | |
| Vega | 3.302±0.008 mas × 2.93±0.014 mas | Bibcode:2012ApJ...761L...3M | |
| Polaris | 3.28±0.02 mas | Bibcode:1999AJ....118.3032N | |
| Rigel | 2.606±0.009 mas | Bibcode:2018AJ....155...30B | |
| RSGC1-F01 | 2.156 mas[a] | Bibcode:2020AJ....160..145H | |
| Regulus | 1.63±0.09 mas × 1.21 mas | Bibcode:2018MNRAS.480.1263H | |
| GCIRS 7 | 1.55±0.03 mas | Located at the Galactic Center. Diameter varies due to its pulsation. | Bibcode:2021A&A...651A..37G |
| Chara | 1.133±0.034 mas | Bibcode:2018AJ....155...30B | |
| Proxima Centauri | 1.103±0.007 mas | Bibcode:2019MNRAS.484.2674R | |
| Spica | 870±40 μas | Bibcode:1974MNRAS.167..121H | |
| Adhara | 800±50 μas | Bibcode:1974MNRAS.167..121H | |
| Mimosa | 722±23 μas | Bibcode:1974MNRAS.167..121H | |
| Alnilam | 660±18 μas | Bibcode:2020NatAs...4.1164A | |
| Alnitak | 556±29 μas | Bibcode:2018ApJ...869...37G | |
| γ² Velorum (O) | 440±50 μas | Bibcode:1974MNRAS.167..121H | |
| HR 8799 | 342±8 μas | Bibcode:2012ApJ...761...57B | |
| WOH G64 | 285.8 μas[a] | Located in the Large Magellanic Cloud. | Bibcode:2009AJ....137.4744L |
| α Camelopardalis | 256±14 μas | Bibcode:2018ApJ...869...37G | |
| Menkib | 218±16 μas | Bibcode:2018ApJ...869...37G | |
| Caesium atom at a distance of 1 meter | 122.9 μas | Reported for reference | |
| 10 Lacertae | 110±20 μas | Currently the smallest star resolved with the CHARA array. | Bibcode:2018ApJ...869...37G |
| S Doradus | 78.29±2.38 μas | Located in the Large Magellanic Cloud. Diameter estimated using photometry. | Bibcode:2014ASPC..485..223B |
| PV Telescopii | 38.42±1.14 μas | A low-mass B-type supergiant almost devoid of hydrogen. Diameter estimated using photometry. | Bibcode:2014ASPC..485..223B |
| Helium atom at a distance of 1 meter | 12.79 μas | Reported for reference | |
| R136a1 | 7.998 μas[a] | Located in the Large Magellanic Cloud. | Bibcode:2022A&A...663A..36B |
| ULAS J0744+25 | 5.576 μas[a] | Assuming the same linear radius as EH Ceti. | Bibcode:2014ApJ...790L...5B |
| ULAS J0015+01 | 4.844 μas[a] | Assuming the same linear radius as EH Ceti. | Bibcode:2014ApJ...790L...5B |
| Sagittarius A* | 4.8+1.4 −0.7 μas |
Bibcode:2022ApJ...930L..12E | |
| EBLM J0555-57Ab | 4.143 μas[a] | Bibcode:2017A&A...604L...6V | |
| Pōwehi | 3.8±0.4 μas | Bibcode:2019ApJ...875L...1E | |
| AM Canum Venaticorum | 3.217±0.127 μas | Diameter estimated using photometry. | Bibcode:2014ASPC..485..223B |
| PG 1555+303 | 1.879±0.128 μas | Diameter estimated using photometry. | Bibcode:2014ASPC..485..223B |
| TON 618 | 464.6 nas[a] | One of the most massive black holes known. | Bibcode:2004ApJ...614..547S |
| β Pictoris exocomets | 1.032–4.608 nas[a] | Bibcode:2022NatSR..12.5855L | |
| Proton at a distance of 1 meter | 347.1 pas | Reported for reference | CODATA |
| Earendel | 113–430 pas[a] | Assuming the light is dominated by a single star. | Bibcode:2022arXiv220809007W |
| Quark (upper limit) at a distance of 1 meter | 177.4 fas | Reported for reference | Bibcode:2016arXiv160401280Z |
| NGC 5907 ULX | 7.818 fas[a] | Assuming a linear radius of 10 km. | Bibcode:2017Sci...355..817I |