Bootes (Pronounciation:Boo-oh-teas, Abbrev:Boo, Latin:Bootis) is a constellation, one of 88 constellations that the night sky is divided into. The sky is not divided up equally between the constellations. Bootes takes up 906.831 sq. degrees of the night sky which equates to 2.2% of the night sky. The constellation gets its name as it name means The Bear Driver . The constellation is one of the original constellations that was devised by the Ancient Greco-Egyptian astronomer Ptolemy who lived between 90 A.D. and 168 A.D.
Bootes is not a member of the Zodiac group of twelve constellations that appear when the Sun sets. Bootes is a northern hemispheric constellation which means it can't be seen easily or at all from the southern hemisphere.
The brightest star in Bootes is Arcturus. There are 12 Extrasolar Planets (Exoplanets) in this constellation that are detailed on this site. The current largest star so far identified in the constellation of Bootes is Arcturus.
The number of stars that have been catalogued as part of the Hipparcos Star Catalogue from Bootes is 2428. The number of stars that are of magnitude 6.0 or lower in the constellation is 86. The number of stars in the constellation that make up the outline is 8.
There are no deep space objects that were identified by Charles Messier in this constellation. There are no non-Messier deep space objects in this constellation that are covered at present on this site.
The nearest star to Earth is HIP 67593 which is roughly about 17.37 Light Years from the Earth. The nearest star to the Earth with an exoplanet is HD 128311 which is about 53.82 Light Years. The furthest star that can be located in the constellation is HIP 70093 which is located about 108721.1 Light Years away from the Sun. The furthest figure is derived from either the 1997 or 2007 Hipparcos star catalogue parallax figure and it has been known to produce distances that are wrong.
The dimmest star that can be seen in Bootes with the naked eye is HIP71094. The dim star has an apparent magnitude of . The dimmest star that a person is able to see with their naked eye is 6.0 magnitude based on the table in the reference. Ref: University of Michigan
The caveat of these stars are that they are catalogued on this site. If you know of a star that is nearer or further then do let me know in the comments and I'll add it to the site. The stars mentioned are from the Hipparcos catalogue or have been added because of their special status.
It is unclear as to who Bootes is supposed to be. One legend has him as the man who with his dogs in Canes Venatici, chase the bears around the skies keeping the Earth rotating. He was also alleged to have created the Plough which pleased the agriculture goddess who asked for him to be turned into a constellation. Another story has been being associated with Icarius who allowed Bacchus, the Roman God to visit the farm and get too drunk. In revenge of being allowed to get too drunk, he was turned into a constellation. A third story has Bootes as Arcas who was the son of Zeus and Callisto. Arcas was bought up by his mortal grandfather who later killed his grandson.. Zeus bought Arcas back to life. Callisto was turned into a bear by a very angry Hera. When Arcas was grown up he came across Callisto as a bear but didn't recognise her so he chased her as they seem to do so in the stars.
Bootes has one of the most active of meteor showers at the beginning of the solar year in January and is known as the Quadrantids. Unlike other Meteor Showers, the name isn't obvious as to what constellation it belongs to. The reason for the difference in name comes from the fact that the centre of activity used to be a now ignored constellation called Quadrans Muralis to the north of Bootes.
One of the most interesting parts of the constellation is that it contains a Supervoid or the Great Void to give it another name. The area is nearly 250 million light years in diameter and approximately about 0.27% of the diameter of the visible universe. ref:Wiki. As its name implies, it is void of all things in the universe, there's hardly anything there compared to comparable sized areas in the universe. There are not much in the way of galaxies in this region, an area of that size should contain about 10,000 Galaxy but so far there have only been about 60 discovered. ref:IO9. It was first discovered by Robert Kirshner and his team in the 1980 and been observed every since.
There are 18 Meteor Showers that occur during the year within this constellation based on information gathered from Adam Mickiewicz University (Poland). The ones listed as the ones I've been able to find a date range for. For others if you have the time, you can visit the AMU site, obtains the SL value then use IMO tables to calculate the date. A lot of the Meteor Showers are weak and you need to do a lot of stargazing to spot them.
|Name||Activity||Peak Activity||Closest Star|
|Lambda Bootids||Jan 17-18||Jan 17||Xuange|
|June Bootids||June 27-July 5||Jun. 28/29||Nekkar|
|Is a Zodiac Sign||No|
|Area||906.831 sq. deg.|
|Percentage of Night Sky||2.2%|
|Site Exoplanet Count||12|
|Meteor Shower Count||18|
|Nearest Star||HIP 67593|
|Nearest Star with Exoplanet(s)||HD 128311|
|Furthest Star||HIP 70093|
|Bright Star Count||86|
|Hipparcos Star Count||2428|
|Main Star Count||8|
|Messier Deep Space Object Count||0|
|*Non-Messier Deep Space Object Count||0|
|Bordering / Neighbouring / Surrounding Constellations||Draco|
*Note: The number of Non-Messier Deep Space Object Count relates to how many are covered on this site not how many there are.
The map was generated using Night Vision, an awesome free application by Brian Simpson.
|Star||Distance (Lt. Yrs.)||Exoplanet Count||Declination||Right Ascension|
|HD 122562||175.36||1||+20d 52` 53.3||14h 02m 21.09|
|HD 128311||53.82||2||+09d 44` 49.7||14h 36m 00.44|
|HD 131496||358.82||1||+18d 14` 07.8||14h 53m 23.00|
|HD 132406||221.43||1||+53d 22` 58.3||14h 56m 54.67|
|HD 134113||234.48||1||+08d 52` 47.7||15h 07m 46.81|
|HD 136418||320.40||1||+41d 44` 01.1||15h 19m 06.20|
|HD 141399||117.96||4||+46d 59` 10.5||15h 46m 53.91|
|Qatar-6||1||22d 09` 09.00||14h 48m 50.00|
As there's so many stars in the cosmos, not all the stars are listed here. The site has lots of stars not listed so if your star isn't listed and you know the Henry Draper or Hipparcos ID, type https://www.universeguide.com/star/ then followed by the HIPNNNNNN or HDNNNN where NNNNN is the number part of the name. The stars that I do list have either a traditional name, a bayer or other classification name.
|Star||Distance (Lt. Yrs.)||Declination||Right Ascension|
|1 Bootis||328.13||+19d 57` 20.4||13h 40m 40.50|
|1 G. Boo||270.23||+08d 53` 41.7||14h 01m 20.41|
|10 Bootis||472.02||+21d 41` 46.8||13h 58m 38.93|
|101 Virginis||762.06||+15d 15` 48.1||14h 17m 28.44|
|11 Bootis||296.78||+27d 23` 11.6||14h 01m 10.53|
|12 Bootis||122.07||+25d 05` 30.6||14h 10m 23.95|
|13 Bootis||549.10||+49d 27` 28.9||14h 08m 17.36|
|14 Bootis||110.64||+12d 57` 34.5||14h 14m 05.33|
|15 Bootis||264.96||+10d 06` 03.6||14h 14m 50.86|
|18 Bootis||85.12||+13d 00` 15.8||14h 19m 16.22|
|2 Bootis||335.90||+22d 29` 45.0||13h 41m 02.36|
|2 G. Boo||463.30||+07d 32` 46.4||14h 03m 36.79|
|20 Bootis||187.02||+16d 18` 24.5||14h 19m 45.32|
|22 Bootis||290.70||+19d 13` 36.6||14h 26m 27.41|
|24 Bootis||326.16||+49d 50` 41.9||14h 28m 38.09|
|26 Bootis||176.21||+22d 15` 35.9||14h 32m 32.62|
|3 Bootis||292.52||+25d 42` 08.6||13h 46m 43.33|
|31 Bootis||537.34||+08d 09` 42.3||14h 41m 38.76|
|32 Bootis||403.17||+11d 39` 39.4||14h 41m 43.62|
|33 Bootis||185.95||+44d 24` 16.4||14h 38m 50.28|
|34 Bootis||704.46||+26d 31` 40.4||14h 43m 25.37|
|39 Bootis||223.71||+48d 43` 14.0||14h 49m 41.36|
|40 Bootis||167.95||+39d 15` 54.8||14h 59m 36.97|
|44 Bootis||40.80||+47d 39` 14.5||15h 03m 47.68|
|45 Bootis||63.78||+24d 52` 10.5||15h 07m 17.95|
|46 Bootis||517.72||+26d 18` 04.3||15h 08m 23.78|
|47 Bootis||274.32||+48d 09` 03.2||15h 05m 25.89|
|5 G. Boo||358.82||+08d 05` 05.4||14h 24m 18.34|
|50 Bootis||261.98||+32d 56` 01.2||15h 21m 48.61|
|6 Bootis||401.18||+21d 15` 50.6||13h 49m 42.82|
|7 Bootis||689.56||+17d 55` 58.3||13h 53m 12.95|
|9 Bootis||581.40||+27d 29` 31.9||13h 56m 34.16|
|Alkalurops||113.13||+37d 22` 37.1||15h 24m 29.54|
|Alkalurops B||117.62||+37d 20` 49.5||15h 24m 30.97|
|Arcturus||36.72||+19d 11` 14.2||14h 15m 40.35|
|Asellus Primus||47.39||+51d 51` 06.2||14h 25m 12.02|
|Asellus Secundus||94.81||+51d 22` 01.3||14h 16m 10.07|
|Asellus Tertius||151.49||+51d 47` 16.4||14h 13m 27.75|
|BP Bootis||298.68||+52d 21` 39.0||15h 42m 50.82|
|BX Bootis||553.76||+47d 16` 38.7||15h 00m 38.73|
|Ceginus||169.70||+40d 21` 11.8||15h 37m 49.55|
|Chi Bootis||252.45||+29d 09` 51.2||15h 14m 29.21|
|DE Bootis||37.54||+19d 09` 08.2||14h 53m 24.04|
|Izar||202.59||+27d 04` 27.0||14h 44m 59.25|
|Kappa Bootis||163.41||+51d 47` 24.0||14h 13m 28.95|
|Merga||159.81||+46d 06` 59.0||14h 49m 18.68|
|Muphrid||37.17||+18d 23` 54.9||13h 54m 41.12|
|Nadlat||245.98||+26d 56` 51.6||15h 04m 26.86|
|Nekkar||225.25||+40d 23` 26.3||15h 01m 56.79|
|Nu1 Bootis||838.47||+40d 49` 59.0||15h 30m 55.75|
|Nu2 Bootis||388.29||+40d 53` 57.7||15h 31m 46.99|
|Omega Bootis||371.48||+25d 00` 29.7||15h 02m 06.51|
|Omicron Bootis||243.04||+16d 57` 51.9||14h 45m 14.50|
|Pi Bootis||305.68||+16d 25` 05.9||14h 40m 43.56|
|Princeps||121.79||+33d 18` 54.4||15h 15m 30.10|
|R Bootis||+26 d 44` 11.6||14h 37m 11.59|
|Rho Bootis||160.12||+30d 22` 16.1||14h 31m 49.86|
|Seginus||86.79||+38d 18` 28.4||14h 32m 04.76|
|Sigma Bootis||51.64||+29d 44` 41.3||14h 34m 40.69|
|Tau Bootis||50.94||+17d 27` 24.4||13h 47m 16.04|
|Upsilon Bootis||263.46||+15d 47` 52.1||13h 49m 28.70|
|Xi Bootis||21.89||+19d 06` 02.3||14h 51m 23.28|
|Xuange||99.02||+46d 05` 16.5||14h 16m 23.18|
|Zeta Bootis||175.73||+13d 43` 42.0||14h 41m 08.92|
|K||Light Orange Star 3,700 - 5,200k||749|
|F||Yellow-White 6,000 - 7,500k||682|
|G||Yellow 5,200 - 6,000k||634|
|A||White 7,500 - 10,000k||169|
|M||Red Dwarf Star <3,700k||109|
|B||Blue-White 10,500 - 30,000k||13|
|Ib||Less Luminous Supergiant||1|
|sd||sd Type SubDwarf Star||1|
|S||S-Type Carbon Star||1|