There are currently 30 stars in the catalog of the International Astronomical Union whose names begin with the letter s, making it the third letter with the most proper named stars, only after A and M.
The most recognizable star on the list is Sirius, also known as the dog star. Sirius is the brightest star on the firmament
The following table lists them all. Here’s the nomenclature for the columns to the right:
Name: The proper or colloquial name for the star.
Constellation: The group of stars the star belongs to.
Bayern Designation: The ordered name for the star in the Bayern catalog of stars.
Designation: The ‘scientific’ name for the star in the IAU catalog. This is the name astronomers generally use.
Approval Date: The date the proper name was officially approved for the IAU catalog. Most names have been used for a much longer time though.
| Name | Constellation | Bayern Designation | Designation | Approval Date |
|---|---|---|---|---|
| Sabik | Ophiuchus | η Ophiuchi A | HR 6378 | 2016-08-21 |
| Saclateni | Auriga | ζ Aurigae A | HR 1612 | 2017-06-30 |
| Sadachbia | Aquarius | γ Aquarii Aa | HR 8518 | 2016-08-21 |
| Sadalbari | Pegasus | μ Pegasi | HR 8684 | 2016-08-21 |
| Sadalmelik | Aquarius | α Aquarii A | HR 8414 | 2016-08-21 |
| Sadalsuud | Aquarius | β Aquarii A | HR 8232 | 2016-08-21 |
| Sadr | Cygnus | γ Cygni A | HR 7796 | 2016-08-21 |
| Saiph | Orion | κ Orionis | HR 2004 | 2016-07-20 |
| Salm | Pegasus | τ Pegasi | HR 8880 | 2017-09-05 |
| Sargas | Scorpius | θ Scorpii A | HR 6553 | 2016-08-21 |
| Sarin | Hercules | δ Herculis Aa | HR 6410 | 2016-09-12 |
| Sceptrum | Eridanus | 53 Eridani A | HR 1481 | 2017-06-30 |
| Scheat | Pegasus | β Pegasi | HR 8775 | 2016-06-30 |
| Schedar | Cassiopeia | α Cassiopeiae | HR 168 | 2016-08-21 |
| Secunda Hyadum | Taurus | δ Tauri Aa | HR 1373 | 2017-09-05 |
| Segin | Cassiopeia | ε Cassiopeiae | HR 0542 | 2017-09-05 |
| Seginus | Boötes | γ Boötis Aa | HR 5435 | 2016-08-21 |
| Sham | Sagitta | α Sagittae | HR 7479 | 2016-09-12 |
| Shaula | Scorpius | λ Scorpii Aa | HR 6527 | 2016-07-20 |
| Sheliak | Lyra | β Lyrae Aa1 | HR 7106 | 2016-08-21 |
| Sheratan | Aries | β Arietis A | HR 553 | 2016-07-20 |
| Sirius | Canis Major | α Canis Majoris A | HR 2491 | 2016-06-30 |
| Situla | Aquarius | κ Aquarii A | HR 8610 | 2016-09-12 |
| Skat | Aquarius | δ Aquarii A | HR 8709 | 2016-08-21 |
| Spica | Virgo | α Virginis Aa | HR 5056 | 2016-06-30 |
| Sualocin | Delphinus | α Delphini Aa | HR 7906 | 2016-09-12 |
| Subra | Leo | ο Leonis Aa | HR 3852 | 2016-09-12 |
| Suhail | Vela | λ Velorum | HR 3634 | 2016-08-21 |
| Sulafat | Lyra | γ Lyrae | HR 7178 | 2016-08-21 |
| Syrma | Virgo | ι Virginis | HR 5338 | 2016-09-12 |
This list does not include some of the proposed star names that are proposed every year, but still haven’t been fully approved and made official.
Find more star names that start with the letter: