# List of stars in Apus

This is the list of notable stars in the constellation Apus, sorted by decreasing brightness.
| Name | B | G. | Var | HD | HIP | RA | Dec | vis. mag. | abs. mag. | Dist. (ly) | Sp. class | Notes |
| α Aps | α | 14 | | 129078 | 72370 | 14$^h$ 47$^m$ 51.73$^s$ | −79° 02′ 41.0″ | 3.83 | −1.67 | 411 | K5III | |
| γ Aps | γ | 44 | | 147675 | 81065 | 16$^h$ 33$^m$ 27.46$^s$ | −78° 53′ 49.1″ | 3.86 | 0.41 | 159 | K0IV SB | |
| β Aps | β | 47 | | 149324 | 81852 | 16$^h$ 43$^m$ 05.42$^s$ | −77° 30′ 59.7″ | 4.23 | 0.81 | 158 | K0III | double star |
| δ$^1$ Aps | δ$^1$ | 40 | | 145366 | 80047 | 16$^h$ 20$^m$ 20.84$^s$ | −78° 41′ 44.4″ | 4.68 | −2.17 | 765 | M4-M5III | visual double star with δ$^2$ Aps; semiregular variable, V$_{max}$ = 4.66$^m$, V$_{min}$ = 4.87$^m$ |
| ζ Aps | ζ | 60 | | 156277 | 84969 | 17$^h$ 21$^m$ 59.53$^s$ | −67° 46′ 14.3″ | 4.76 | −0.14 | 312 | K1III | |
| η Aps | η | 6 | | 123998 | 69896 | 14$^h$ 18$^m$ 13.97$^s$ | −81° 00′ 27.4″ | 4.89 | 1.73 | 140 | A2m... | |
| ε Aps | ε | 9 | | 124771 | 70248 | 14$^h$ 22$^m$ 23.20$^s$ | −80° 06′ 32.1″ | 5.06 | −1.08 | 551 | B4V | γ Cas variable |
| δ$^2$ Aps | δ$^2$ | 41 | | 145388 | 80057 | 16$^h$ 20$^m$ 26.86$^s$ | −78° 40′ 02.7″ | 5.27 | −1.27 | 663 | K3III | visual double star with δ$^1$ Aps |
| R Aps | | 18 | R | 131109 | 73223 | 14$^h$ 57$^m$ 53.16$^s$ | −76° 39′ 45.4″ | 5.37 | −0.22 | 428 | K4III | not variable despite designation |
| ι Aps | ι | 58 | | 156190 | 84979 | 17$^h$ 22$^m$ 05.88$^s$ | −70° 07′ 23.4″ | 5.39 | −2.34 | 1144 | B8/B9Vn... | binary star |
| κ$^1$ Aps | κ$^1$ | 29 | | 137387 | 76013 | 15$^h$ 31$^m$ 30.82$^s$ | −73° 23′ 22.4″ | 5.52 | -2.31 | 1200 | B1npe | double star; γ Cas variable, V$_{max}$ = 5.43$^m$, V$_{min}$ = 5.61$^m$ |
| HR 6135 | | 45 | | 148488 | 81141 | 16$^h$ 34$^m$ 19.37$^s$ | −70° 59′ 17.0″ | 5.50 | −1.80 | 942 | K1IIICN... | |
| HD 130458 | | 17 | | 130458 | 72833 | 14$^h$ 53$^m$ 13.54$^s$ | −73° 11′ 24.6″ | 5.59 | 0.63 | 320 | G7IIIa | double star |
| κ$^2$ Aps | κ$^2$ | 33 | | 138800 | 76750 | 15$^h$ 40$^m$ 21.36$^s$ | −73° 26′ 47.9″ | 5.64 | −1.12 | 734 | B8IVe | triple star |
| θ Aps | θ | 4 | | 122250 | 68815 | 14$^h$ 05$^m$ 20.10$^s$ | −76° 47′ 48.0″ | 5.69 | 0.67 | 328 | M6.5III | semiregular variable, V$_{max}$ = 4.65$^m$, V$_{min}$ = 6.20$^m$, P = 111.0 d |
| HD 143346 | | 38 | | 143346 | 78868 | 16$^h$ 05$^m$ 55.88$^s$ | −72° 24′ 03.9″ | 5.70 | 0.97 | 288 | K1IIICNII | |
| NO Aps | | 59 | NO | 156513 | 85760 | 17$^h$ 31$^m$ 27.47$^s$ | −80° 51′ 32.5″ | 5.83 | −1.15 | 811 | M3III | semiregular variable, V$_{max}$ = 5.71$^m$, V$_{min}$ = 5.95$^m$ |
| HD 164712 | | 66 | | 164712 | 89115 | 18$^h$ 11$^m$ 15.76$^s$ | −75° 53′ 26.9″ | 5.86 | 1.41 | 253 | K3III | double star |
| HD 165259 | | 67 | | 165259 | 89234 | 18$^h$ 12$^m$ 34.17$^s$ | −73° 40′ 18.4″ | 5.86 | 2.80 | 133 | F5V | double star |
| HD 131425 | | 19 | | 131425 | 73415 | 15$^h$ 00$^m$ 11.34$^s$ | −77° 09′ 37.9″ | 5.92 | −1.23 | 876 | G8II | |
| HD 138867 | | 34 | | 138867 | 76877 | 15$^h$ 41$^m$ 54.70$^s$ | −76° 04′ 54.7″ | 5.95 | 0.64 | 377 | B9V | |
| HD 122862 | | 5 | | 122862 | 69090 | 14$^h$ 08$^m$ 27.71$^s$ | −74° 51′ 02.6″ | 6.02 | 3.73 | 93 | G1V | |
| HD 133981 | | 25 | | 133981 | 74421 | 15$^h$ 12$^m$ 34.01$^s$ | −72° 46′ 14.0″ | 6.02 | −1.06 | 849 | B8/B9III | |
| HD 126209 | | 11 | | 126209 | 70874 | 14$^h$ 29$^m$ 37.07$^s$ | −76° 43′ 44.5″ | 6.06 | 0.04 | 522 | K0/K1III | |
| HD 161988 | | 63 | | 161988 | 87926 | 17$^h$ 57$^m$ 41.68$^s$ | −76° 10′ 40.6″ | 6.08 | −0.23 | 595 | K2III | double star |
| HD 121439 | | 3 | | 121439 | 68431 | 14$^h$ 00$^m$ 32.85$^s$ | −78° 35′ 23.9″ | 6.09 | −0.65 | 728 | B9III | |
| HD 138289 | | 32 | | 138289 | 76664 | 15$^h$ 39$^m$ 18.62$^s$ | −77° 55′ 03.7″ | 6.19 | 1.10 | 339 | K2II | |
| HD 131551 | | 20 | | 131551 | 73394 | 14$^h$ 59$^m$ 55.77$^s$ | −75° 01′ 57.4″ | 6.20 | 0.15 | 529 | B9V | double star |
| HD 154556 | | 55 | | 154556 | 84158 | 17$^h$ 12$^m$ 19.85$^s$ | −70° 43′ 15.2″ | 6.21 | 1.99 | 228 | K1IVCN... | |
| HD 154972 | | 56 | | 154972 | 84510 | 17$^h$ 16$^m$ 35.70$^s$ | −74° 31′ 58.4″ | 6.24 | 1.25 | 324 | A0V | |
| HD 128294 | | 12 | | 128294 | 71870 | 14$^h$ 41$^m$ 59.76$^s$ | −77° 00′ 41.1″ | 6.34 | 0.05 | 592 | B9III | |
| HD 162337 | | 65 | | 162337 | 88599 | 18$^h$ 05$^m$ 26.74$^s$ | −81° 29′ 11.2″ | 6.37 | −0.89 | 924 | K3/K4III | |
| HD 137366 | | 27 | | 137366 | 75959 | 15$^h$ 30$^m$ 49.19$^s$ | −71° 39′ 14.7″ | 6.39 | −1.15 | 1052 | B3V | |
| HD 141846 | | 35 | | 141846 | 78360 | 15$^h$ 59$^m$ 55.14$^s$ | −78° 01′ 37.6″ | 6.40 | 1.76 | 276 | F3IV | double star |
| HD 124639 | | 8 | | 124639 | 70418 | 14$^h$ 24$^m$ 22.18$^s$ | −82° 50′ 53.6″ | 6.42 | −0.74 | 881 | B8V | emission-line star |
| HD 129899 | | 15 | | 129899 | 72670 | 14$^h$ 51$^m$ 30.07$^s$ | −77° 10′ 33.4″ | 6.44 | −0.76 | 898 | Ap... | |
| HD 152010 | | 50 | | 152010 | 82944 | 16$^h$ 57$^m$ 01.06$^s$ | −71° 06′ 41.6″ | 6.46 | −2.08 | 1663 | A5IV/V | double star |
| HD 124099 | | 7 | | 124099 | 69778 | 14$^h$ 16$^m$ 55.17$^s$ | −77° 39′ 51.2″ | 6.48 | −2.82 | 2362 | K2IIp | semiregular variable, V$_{max}$ = 6.46$^m$, V$_{min}$ = 6.49$^m$, P = 528 d |
| HD 159558 | | 61 | | 159558 | 86510 | 17$^h$ 40$^m$ 44.57$^s$ | −67° 51′ 14.8″ | 6.48 | 1.15 | 379 | G8III | |
| HD 134606 | | | | 134606 | 74653 | 15$^h$ 15$^m$ 15$^s$ | −70° 31′ 11″ | 6.85 | 4.74 | 86 | G6IV | has three planets (b, c & d) |
| HD 137509 | | 31 | NN | 137509 | 76011 | 15$^h$ 31$^m$ 27.12$^s$ | −71° 03′ 43.7″ | 6.87 | 0.41 | 638 | B8 | α$^2$ CVn variable, V$_{max}$ = 6.86$^m$, V$_{min}$ = 6.92$^m$, P = 4.4928 d |
| HD 131664 | | | | 131664 | 73408 | 15$^h$ 00$^m$ 06.07$^s$ | −73° 32′ 07.2″ | 8.13 | 4.38 | 183.5 | G3V | has a stellar companion, initially thought to be a planet (B) |
| HD 137388 | | | | 137388 | 76351 | 15$^h$ 35$^m$ 40$^s$ | −80° 12′ 17″ | 8.71 | 5.81 | 124 | K0/K1V | Karaka, has a planet (b) |
| S Aps | | | S | 133444 | 74179 | 15$^h$ 09$^m$ 24.53$^s$ | −72° 03′ 45.2″ | 9.60 | -1.28 | 4900 | C+ | R CrB variable, V$_{max}$ = 9.54$^m$, V$_{min}$ = 17.0$^m$, P = 66.03 d |
| HD 138403 | | | | 138403 | | 15$^h$ 37$^m$ 11.18$^s$ | −71° 54′ 52.9″ | 10.47 | | | O8(f)ep | central star of planetary nebula Hen 2-131 |
| Z Aps | | | Z | | | 14$^h$ 06$^m$ 54.81$^s$ | −71° 22′ 16.8″ | 11.07 | | | | RV Tau variable, V$_{max}$ = 10.7$^m$, V$_{min}$ = 12.7$^m$, P = 37.89 d |
| L 19-2 | | | MY | | | 14$^h$ 33$^m$ 07.60$^s$ | −81° 20′ 14.5″ | 13.75 | | | DA4.1 | ZZ Cet variable, ΔV = 0.05$^m$ |
| Table legend:  • Name = Proper name  • B = Bayer designation  • F or/and G. = Flamsteed designation or Gould designation  • Var = Variable star designation  • HD = Henry Draper Catalogue designation number  • HIP = Hipparcos Catalogue designation number  • RA = Right ascension for the Epoch/Equinox J2000.0  • Dec = Declination for the Epoch/Equinox J2000.0  • vis. mag. = visual magnitude (m or m$_v$), also known as apparent magnitude  • abs. mag. = absolute magnitude (M$_v$)  • Dist. (ly) = Distance in light-years from Earth  • Sp. class = Spectral class of the star in the stellar classification system  • Notes = Common name(s) or alternate name(s); comments; notable properties [for example: multiple star status, range of variability if it is a variable star, exoplanets, etc.] |||||||||||||