Universe Guide

Home / Facts / Constellations

Tucana Constellation

Tucana (Pronounciation:Two-can-a, Abbrev:Tuc, Latin:Tucanae) is a constellation, one of 88 constellations that the night sky is divided into. The sky is not divided up equally between the constellations. Tucana takes up 294.557 sq. degrees of the night sky which equates to 0.71% of the night sky. The constellation gets its name as it name means The Toucan . It was not one of the original constellations that had been devised by Ptolemy, instead it was created by Pieter Dirkszoon Keyser and Frederick de Houtman years later.

Tucana is not a member of the Zodiac group of twelve constellations that appear when the Sun sets. Tucana is a southern hemispheric constellation which means it can't be seen easily or at all from the northern hemisphere.

The brightest star in Tucana is Alpha Tucanae. There are 7 Extrasolar Planets (Exoplanets) in this constellation that are detailed on this site. The current largest star so far identified in the constellation of Tucana is HV 11423.

Tucana Star and Deep Space Object Count

The number of stars that have been catalogued as part of the Hipparcos Star Catalogue from Tucana is 930. The number of stars that are of magnitude 6.0 or lower in the constellation is 27. The number of stars in the constellation that make up the outline is 6.

There are no deep space objects that were identified by Charles Messier in this constellation. There are 0 non-Messier deep space objects that are covered on this site and the list is below.

Stars of Interest

The nearest star to Earth is HIP 5496 which is roughly about 26.73 Light Years from the Earth. The nearest star to the Earth with an exoplanet is HD 4308 which is about 71.94 Light Years. The furthest star that can be located in the constellation is HIP 115973 which is located about 326163 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 Tucana with the naked eye is HD 4088. The dim star has an apparent magnitude of 5.99. 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.

There is no Greek Legend behind this constellation. It was created by Pieter Dirkszoon Keyser and Frederick de Houtman to fill in the voids in the astronomical charts.

There are no major meteor showers that radiate from within this constellation.

Tucana Facts

Is a Zodiac Sign No
Largest StarHV 11423
Brightest StarAlpha Tucanae
Area294.557 sq. deg.
Percentage of Night Sky0.71%
Size Position48th
Hemisphere Southern
Site Exoplanet Count7
Meteor Shower Count1
Nearest StarHIP 5496
Nearest Star with Exoplanet(s)HD 4308
Dimmest StarHD 4088
Furthest StarHIP 115973
Bright Star Count27
Hipparcos Star Count930
Main Star Count6
Messier Deep Space Object Count0
*Non-Messier Deep Space Object Count1
Bordering / Neighbouring / Surrounding ConstellationsPhoenix

*Note: The number of Non-Messier Deep Space Object Count relates to how many are covered on this site not how many there are.

Tucana Constellation Map

Tucana Constellation Star Map

The map was generated using Night Vision, an awesome free application by Brian Simpson.

List of Stars with Exoplanets in Tucana

StarDistance (Lt. Yrs.)Exoplanet CountDeclinationRight Ascension
HD 215497142.182-56d 35` 57.822h 46m 36.81
HD 21907795.731-62d 41` 56.323h 14m 05.98
HD 221287180.301-58d 12` 35.023h 31m 20.14
HD 224538253.631-61d 35` 12.223h 58m 51.66
HD 430871.941-65d 38` 51.800h 44m 39.04
HD 7199115.131-66d 11` 16.301h 10m 47.06

List of Named Stars in Tucana without Extrasolar Planets

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.

StarDistance (Lt. Yrs.)DeclinationRight Ascension
Alpha Tucanae199.73-60d 15` 34.222h 18m 30.18
AQ Tucanae1489.33-71d 54` 56.800h 17m 21.46
Beta Tucanae135.06-62d 57` 29.100h 31m 32.56
Beta-2 Tucanae168.47-62d 57` 55.600h 31m 33.36
Beta-3 Tucanae148.59-63d 01` 53.000h 32m 43.79
BQ Tucanae712.15-62d 52` 16.900h 53m 37.78
CC Tucanae867.46-65d 27` 22.001h 02m 42.89
CF Tucanae291.48-74d 39` 05.800h 53m 07.23
Delta Tucanae250.89-64d 57` 59.022h 27m 19.87
DR Tucanae849.38-60d 03` 21.023h 22m 56.68
Epsilon Tucanae373.18-65d 34` 37.523h 59m 54.91
Eta Tucanae154.73-64d 17` 53.123h 57m 34.97
Gamma Tucanae75.20-58d 14` 09.323h 17m 25.81
Gliese 90237.25-72d 43` 13.323h 39m 37.11
HV 11423-71d 37` 52.91h 00m 55.20
Iota Tucanae304.26-61d 46` 30.901h 07m 18.57
Kappa Tucanae68.35-68d 52` 34.501h 15m 45.50
Lambda Tucanae206.43-69d 30` 12.900h 52m 24.51
Lambda Tucanae B221.88-69d 31` 37.100h 55m 00.30
Nu Tucanae290.18-61d 58` 55.522h 33m 00.01
Pi Tucanae318.21-69d 37` 29.700h 20m 39.04
R40-72d 28` 03.601h 07m 18.22
Rho Tucanae133.84-65d 28` 05.300h 42m 28.30
Theta Tucanae424.14-71d 15` 58.400h 33m 23.23
Zeta Tucanae28.01-64d 52` 39.400h 20m 01.91

Objects of Interest (Galaxies, Nebulas, Supernovas, etc) in Tucana

NameTypeDistanceDeclinationRight Ascension
Small Magellanic CloudDwarf Galaxy197.000-79:49:4300h 52m 44m 8s

Tucana Constellation's Star Breakdown

Type Breakdown

KLight Orange Star 3,700 - 5,200k297
FYellow-White 6,000 - 7,500k253
GYellow 5,200 - 6,000k201
AWhite 7,500 - 10,000k78
MRed Dwarf Star <3,700k61
BBlue-White 10,500 - 30,000k17

Size Breakdown

IIINormal Giant362
VMain Sequence320
IaLuminous Supergiant6
IIBright Giant4
IabIntermediate Luminous Supergiant2
IbLess Luminous Supergiant2

Breakdown of Dwarf Stars by Type

VIVI Type Sub-Dwarf Star1
sdsd Type SubDwarf Star1

Breakdown of Carbon Stars by Type

NN-Type Carbon Star1
SS-Type Carbon Star1

Add a Comment

Email: (Optional)