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 | 14h 47m 51.73s | −79° 02′ 41.0″ | 3.83 | −1.67 | 411 | K5III | |||||
| γ Aps | γ | 44 | 147675 | 81065 | 16h 33m 27.46s | −78° 53′ 49.1″ | 3.86 | 0.41 | 159 | K0IV SB | |||||
| β Aps | β | 47 | 149324 | 81852 | 16h 43m 05.42s | −77° 30′ 59.7″ | 4.23 | 0.81 | 158 | K0III | double star | ||||
| δ1 Aps | δ1 | 40 | 145366 | 80047 | 16h 20m 20.84s | −78° 41′ 44.4″ | 4.68 | −2.17 | 765 | M4-M5III | visual double star with δ2 Aps; semiregular variable, Vmax = 4.66m, Vmin = 4.87m | ||||
| ζ Aps | ζ | 60 | 156277 | 84969 | 17h 21m 59.53s | −67° 46′ 14.3″ | 4.76 | −0.14 | 312 | K1III | |||||
| η Aps | η | 6 | 123998 | 69896 | 14h 18m 13.97s | −81° 00′ 27.4″ | 4.89 | 1.73 | 140 | A2m... | |||||
| ε Aps | ε | 9 | 124771 | 70248 | 14h 22m 23.20s | −80° 06′ 32.1″ | 5.06 | −1.08 | 551 | B4V | γ Cas variable | ||||
| δ2 Aps | δ2 | 41 | 145388 | 80057 | 16h 20m 26.86s | −78° 40′ 02.7″ | 5.27 | −1.27 | 663 | K3III | visual double star with δ1 Aps | ||||
| R Aps | 18 | R | 131109 | 73223 | 14h 57m 53.16s | −76° 39′ 45.4″ | 5.37 | −0.22 | 428 | K4III | not variable despite designation | ||||
| ι Aps | ι | 58 | 156190 | 84979 | 17h 22m 05.88s | −70° 07′ 23.4″ | 5.39 | −2.34 | 1144 | B8/B9Vn... | binary star | ||||
| κ1 Aps | κ1 | 29 | 137387 | 76013 | 15h 31m 30.82s | −73° 23′ 22.4″ | 5.52 | -2.31 | 1200 | B1npe | double star; γ Cas variable, Vmax = 5.43m, Vmin = 5.61m | ||||
| HR 6135 | 45 | 148488 | 81141 | 16h 34m 19.37s | −70° 59′ 17.0″ | 5.50 | −1.80 | 942 | K1IIICN... | ||||||
| HD 130458 | 17 | 130458 | 72833 | 14h 53m 13.54s | −73° 11′ 24.6″ | 5.59 | 0.63 | 320 | G7IIIa | double star | |||||
| κ2 Aps | κ2 | 33 | 138800 | 76750 | 15h 40m 21.36s | −73° 26′ 47.9″ | 5.64 | −1.12 | 734 | B8IVe | triple star | ||||
| θ Aps | θ | 4 | 122250 | 68815 | 14h 05m 20.10s | −76° 47′ 48.0″ | 5.69 | 0.67 | 328 | M6.5III | semiregular variable, Vmax = 4.65m, Vmin = 6.20m, P = 111.0 d | ||||
| HD 143346 | 38 | 143346 | 78868 | 16h 05m 55.88s | −72° 24′ 03.9″ | 5.70 | 0.97 | 288 | K1IIICNII | ||||||
| NO Aps | 59 | NO | 156513 | 85760 | 17h 31m 27.47s | −80° 51′ 32.5″ | 5.83 | −1.15 | 811 | M3III | semiregular variable, Vmax = 5.71m, Vmin = 5.95m | ||||
| HD 164712 | 66 | 164712 | 89115 | 18h 11m 15.76s | −75° 53′ 26.9″ | 5.86 | 1.41 | 253 | K3III | double star | |||||
| HD 165259 | 67 | 165259 | 89234 | 18h 12m 34.17s | −73° 40′ 18.4″ | 5.86 | 2.80 | 133 | F5V | double star | |||||
| HD 131425 | 19 | 131425 | 73415 | 15h 00m 11.34s | −77° 09′ 37.9″ | 5.92 | −1.23 | 876 | G8II | ||||||
| HD 138867 | 34 | 138867 | 76877 | 15h 41m 54.70s | −76° 04′ 54.7″ | 5.95 | 0.64 | 377 | B9V | ||||||
| HD 122862 | 5 | 122862 | 69090 | 14h 08m 27.71s | −74° 51′ 02.6″ | 6.02 | 3.73 | 93 | G1V | ||||||
| HD 133981 | 25 | 133981 | 74421 | 15h 12m 34.01s | −72° 46′ 14.0″ | 6.02 | −1.06 | 849 | B8/B9III | ||||||
| HD 126209 | 11 | 126209 | 70874 | 14h 29m 37.07s | −76° 43′ 44.5″ | 6.06 | 0.04 | 522 | K0/K1III | ||||||
| HD 161988 | 63 | 161988 | 87926 | 17h 57m 41.68s | −76° 10′ 40.6″ | 6.08 | −0.23 | 595 | K2III | double star | |||||
| HD 121439 | 3 | 121439 | 68431 | 14h 00m 32.85s | −78° 35′ 23.9″ | 6.09 | −0.65 | 728 | B9III | ||||||
| HD 138289 | 32 | 138289 | 76664 | 15h 39m 18.62s | −77° 55′ 03.7″ | 6.19 | 1.10 | 339 | K2II | ||||||
| HD 131551 | 20 | 131551 | 73394 | 14h 59m 55.77s | −75° 01′ 57.4″ | 6.20 | 0.15 | 529 | B9V | double star | |||||
| HD 154556 | 55 | 154556 | 84158 | 17h 12m 19.85s | −70° 43′ 15.2″ | 6.21 | 1.99 | 228 | K1IVCN... | ||||||
| HD 154972 | 56 | 154972 | 84510 | 17h 16m 35.70s | −74° 31′ 58.4″ | 6.24 | 1.25 | 324 | A0V | ||||||
| HD 128294 | 12 | 128294 | 71870 | 14h 41m 59.76s | −77° 00′ 41.1″ | 6.34 | 0.05 | 592 | B9III | ||||||
| HD 162337 | 65 | 162337 | 88599 | 18h 05m 26.74s | −81° 29′ 11.2″ | 6.37 | −0.89 | 924 | K3/K4III | ||||||
| HD 137366 | 27 | 137366 | 75959 | 15h 30m 49.19s | −71° 39′ 14.7″ | 6.39 | −1.15 | 1052 | B3V | ||||||
| HD 141846 | 35 | 141846 | 78360 | 15h 59m 55.14s | −78° 01′ 37.6″ | 6.40 | 1.76 | 276 | F3IV | double star | |||||
| HD 124639 | 8 | 124639 | 70418 | 14h 24m 22.18s | −82° 50′ 53.6″ | 6.42 | −0.74 | 881 | B8V | emission-line star | |||||
| HD 129899 | 15 | 129899 | 72670 | 14h 51m 30.07s | −77° 10′ 33.4″ | 6.44 | −0.76 | 898 | Ap... | ||||||
| HD 152010 | 50 | 152010 | 82944 | 16h 57m 01.06s | −71° 06′ 41.6″ | 6.46 | −2.08 | 1663 | A5IV/V | double star | |||||
| HD 124099 | 7 | 124099 | 69778 | 14h 16m 55.17s | −77° 39′ 51.2″ | 6.48 | −2.82 | 2362 | K2IIp | semiregular variable, Vmax = 6.46m, Vmin = 6.49m, P = 528 d | |||||
| HD 159558 | 61 | 159558 | 86510 | 17h 40m 44.57s | −67° 51′ 14.8″ | 6.48 | 1.15 | 379 | G8III | ||||||
| HD 134606 | 134606 | 74653 | 15h 15m 15s | −70° 31′ 11″ | 6.85 | 4.74 | 86 | G6IV | has three planets (b, c & d) | ||||||
| HD 137509 | 31 | NN | 137509 | 76011 | 15h 31m 27.12s | −71° 03′ 43.7″ | 6.87 | 0.41 | 638 | B8 | α2 CVn variable, Vmax = 6.86m, Vmin = 6.92m, P = 4.4928 d | ||||
| HD 131664 | 131664 | 73408 | 15h 00m 06.07s | −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 | 15h 35m 40s | −80° 12′ 17″ | 8.71 | 5.81 | 124 | K0/K1V | Karaka,[1] has a planet (b) | ||||||
| S Aps | S | 133444 | 74179 | 15h 09m 24.53s | −72° 03′ 45.2″ | 9.60 | -1.28 | 4900 | C+ | R CrB variable, Vmax = 9.54m, Vmin = 17.0m, P = 66.03 d | |||||
| HD 138403 | 138403 | 15h 37m 11.18s | −71° 54′ 52.9″ | 10.47 | O8(f)ep | central star of planetary nebula Hen 2-131 | |||||||||
| Z Aps | Z | 14h 06m 54.81s | −71° 22′ 16.8″ | 11.07 | RV Tau variable, Vmax = 10.7m, Vmin = 12.7m, P = 37.89 d | ||||||||||
| L 19-2 | MY | 14h 33m 07.60s | −81° 20′ 14.5″ | 13.75 | DA4.1 | ZZ Cet variable, ΔV = 0.05m | |||||||||
Table legend:
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