Stelle principali della costellazione della Gru
Segue un prospetto delle stelle principali della costellazione della Gru, elencate per magnitudine decrescente.
Nome | Designazioni | Coordinate | Magnitudini | Dist. (al) | Classe spettrale | Note | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
B | F | HD | HIP | AR | Dec | vis. | ass. | |||||
α Gru | α | 209952 | 109268 | 22h 08m 13.88s | −46° 57′ 38.2″ | 1.73 | −0.73 | 101 | B7IV | Al Na'ir, Al Nair, Alnair | ||
β Gru | β | 214952 | 112122 | 22h 42m 39.93s | −46° 53′ 04.4″ | 2.07 | −1.52 | 170 | M5III | Gruid; variabile irregolare | ||
γ Gru | γ | 207971 | 108085 | 21h 53m 55.65s | −37° 21′ 53.4″ | 3.00 | −0.97 | 203 | B8III | Al Dhanab, Ras Alkurki | ||
ε Gru | ε | 215789 | 112623 | 22h 48m 33.20s | −51° 19′ 00.1″ | 3.49 | 0.49 | 130 | A3V | |||
ι Gru | ι | 218670 | 114421 | 23h 10m 21.43s | −45° 14′ 47.9″ | 3.88 | 0.11 | 185 | K0III SB | |||
δ1 Gru | δ1 | 213009 | 110997 | 22h 29m 16.15s | −43° 29′ 44.0″ | 3.97 | −0.82 | 296 | G6/G8III | |||
ζ Gru | ζ | 217364 | 113638 | 23h 00m 52.87s | −52° 45′ 14.8″ | 4.11 | 1.42 | 112 | G8III | |||
δ2 Gru | δ2 | 213080 | 111043 | 22h 29m 45.45s | −43° 44′ 57.2″ | 4.12 | −0.87 | 325 | M4.5IIIa | |||
θ Gru | θ | 218227 | 114131 | 23h 06m 52.77s | −43° 31′ 13.2″ | 4.28 | 1.23 | 133 | F5me... | |||
λ Gru | λ | 209688 | 109111 | 22h 06m 06.90s | −39° 32′ 35.0″ | 4.47 | 0.07 | 247 | M0III | |||
μ1 Gru | μ1 | 211088 | 109908 | 22h 15m 36.88s | −41° 20′ 48.3″ | 4.79 | 0.26 | 262 | G8III+... | |||
ρ Gru | ρ | 215104 | 112203 | 22h 43m 29.97s | −41° 24′ 50.8″ | 4.84 | 0.68 | 222 | K0III | |||
η Gru | η | 215369 | 112374 | 22h 45m 37.85s | −53° 30′ 00.6″ | 4.84 | −0.57 | 394 | K2IIICNIV | |||
μ2 Gru | μ2 | 211202 | 109973 | 22h 16m 26.57s | −41° 37′ 37.9″ | 5.11 | 0.78 | 240 | G8III | |||
ξ Gru | ξ | 204783 | 106327 | 21h 32m 05.86s | −41° 10′ 45.6″ | 5.29 | −0.06 | 383 | K0III | |||
HD 211415 | 211415 | 110109 | 22h 18m 15.18s | −53° 37′ 31.9″ | 5.36 | 4.69 | 44 | G1V | ||||
κ Gru | κ | 217902 | 113957 | 23h 04m 39.57s | −53° 57′ 52.7″ | 5.37 | −0.02 | 390 | K5III | |||
HD 216149 | 216149 | 112832 | 22h 51m 02.15s | −39° 09′ 24.5″ | 5.43 | −2.22 | 1105 | K3III | ||||
HD 208321 | 208321 | 108294 | 21h 56m 22.79s | −37° 15′ 13.1″ | 5.45 | 0.52 | 315 | A3V | ||||
ν Gru | ν | 212953 | 110936 | 22h 28m 39.18s | −39° 07′ 53.0″ | 5.47 | 0.94 | 262 | G8III | |||
HD 208737 | 208737 | 108543 | 21h 59m 17.88s | −38° 23′ 42.3″ | 5.50 | 0.09 | 393 | K1II/III | ||||
HD 215405 | 215405 | 112381 | 22h 45m 40.81s | −46° 32′ 50.3″ | 5.52 | −1.02 | 664 | K3III | ||||
ο Gru | ο | 220729 | 115713 | 23h 26m 36.54s | −52° 43′ 18.9″ | 5.53 | 3.01 | 104 | F4V | |||
φ Gru | φ | 219693 | 115054 | 23h 18m 09.79s | −40° 49′ 26.6″ | 5.54 | 2.84 | 113 | F5V | |||
HD 204960 | 204960 | 106429 | 21h 33m 23.53s | −44° 50′ 55.3″ | 5.57 | −0.83 | 622 | K0III | ||||
HD 207129 | 207129 | 107649 | 21h 48m 15.61s | −47° 18′ 10.4″ | 5.57 | 4.60 | 51 | G2V | ||||
π2 Gru | π2 | 212132 | 110506 | 22h 23m 07.79s | −45° 55′ 42.0″ | 5.62 | 2.58 | 132 | F3III-IV | |||
υ Gru | υ | 218242 | 114132 | 23h 06m 53.60s | −38° 53′ 32.3″ | 5.62 | 0.84 | 294 | A0V | |||
HD 217403 | 217403 | 113657 | 23h 01m 07.50s | −50° 57′ 00.1″ | 5.68 | −0.16 | 481 | K3III | ||||
τ3 Gru | τ3 | 216823 | 113307 | 22h 56m 47.82s | −47° 58′ 09.2″ | 5.72 | 1.11 | 272 | Am... | |||
HD 220440 | 220440 | 115537 | 23h 24m 13.24s | −51° 53′ 27.9″ | 5.75 | −0.39 | 552 | M0III | ||||
HD 219263 | 219263 | 114775 | 23h 14m 58.53s | −41° 06′ 18.5″ | 5.77 | 1.49 | 234 | K2III | ||||
HD 217842 | 217842 | 113902 | 23h 03m 59.63s | −41° 28′ 44.5″ | 5.79 | 0.97 | 301 | K0III | ||||
HD 218268 | 218268 | 114167 | 23h 07m 14.81s | −50° 41′ 11.8″ | 5.81 | 2.81 | 130 | F6.5IV-V+.. | ||||
HD 218630 | 218630 | 114382 | 23h 09m 57.64s | −42° 51′ 40.2″ | 5.83 | 3.13 | 113 | F4IV | ||||
σ2 Gru | σ2 | 214150 | 111643 | 22h 36m 58.82s | −40° 35′ 27.1″ | 5.85 | 1.71 | 219 | A1V | |||
HD 218655 | 218655 | 114407 | 23h 10m 09.72s | −40° 35′ 29.2″ | 5.90 | −1.05 | 799 | M4III | ||||
HD 219507 | 219507 | 114921 | 23h 16m 39.79s | −44° 29′ 20.9″ | 5.92 | 1.19 | 288 | K1III | ||||
HD 214953 | 214953 | 112117 | 22h 42m 36.88s | −47° 12′ 36.0″ | 5.99 | 4.13 | 77 | G0 | ||||
τ1 Gru | τ1 | 216435 | 113044 | 22h 53m 37.74s | −48° 35′ 53.1″ | 6.03 | 3.42 | 109 | G3IV | ha un pianeta | ||
HD 220003 | 220003 | 115272 | 23h 20m 50.13s | −50° 18′ 23.0″ | 6.04 | 1.26 | 294 | Fm... | ||||
HD 214987 | 214987 | 112127 | 22h 42m 43.05s | −44° 14′ 53.2″ | 6.06 | 1.10 | 320 | K1IV | ||||
HD 211053 | 211053 | 109902 | 22h 15m 35.03s | −44° 27′ 05.4″ | 6.10 | −0.16 | 583 | G8/K0III | ||||
HD 220401 | 220401 | 115496 | 23h 23m 45.41s | −43° 07′ 28.0″ | 6.12 | −1.55 | 1116 | K3III | ||||
HD 220392 | 220392 | 115510 | 23h 23m 54.45s | −53° 48′ 31.2″ | 6.13 | 0.29 | 480 | A4III | ||||
HD 208435 | 208435 | 108347 | 21h 57m 02.14s | −37° 44′ 48.7″ | 6.18 | 0.53 | 440 | F2/F3V | ||||
HD 210918 | 210918 | 109821 | 22h 14m 38.21s | −41° 22′ 47.1″ | 6.23 | 4.51 | 72 | G5V | ||||
HD 206642 | 206642 | 107344 | 21h 44m 29.41s | −38° 33′ 07.7″ | 6.28 | −0.62 | 782 | K1IIICN... | ||||
σ1 Gru | σ1 | 214085 | 111594 | 22h 36m 29.27s | −40° 34′ 57.0″ | 6.28 | 2.07 | 226 | A3Vn | |||
HD 205096 | 205096 | 106500 | 21h 34m 17.18s | −42° 55′ 28.8″ | 6.32 | 1.34 | 323 | K1IIICN... | ||||
HD 218255 | 218255 | 114159 | 23h 07m 09.43s | −49° 36′ 22.1″ | 6.33 | −1.68 | 1304 | K4III | ||||
HD 216666 | 216666 | 113189 | 22h 55m 14.87s | −36° 23′ 18.9″ | 6.40 | −0.33 | 723 | K2III | ||||
π1 Gru | π1 | 212087 | 110478 | 22h 22m 44.18s | −45° 56′ 52.5″ | 6.42 | 0.50 | 498 | S5,7: | |||
HD 210204 | 210204 | 109408 | 22h 09m 57.82s | −48° 06′ 27.0″ | 6.43 | −0.19 | 686 | K3III | ||||
HD 217642 | 217642 | 113784 | 23h 02m 34.07s | −36° 25′ 14.9″ | 6.46 | 0.93 | 415 | K1III | ||||
HD 215504 | 215504 | 112432 | 22h 46m 28.22s | −49° 41′ 06.4″ | 6.49 | −0.35 | 760 | K0III-IV | ||||
HD 219531 | 219531 | 114937 | 23h 16m 49.85s | −41° 11′ 40.0″ | 6.49 | 0.61 | 489 | K0III | ||||
τ2 Gru | τ2 | 216656 | 113190 | 22h 55m 16.19s | −48° 29′ 30.8″ | 6.67 | 3.33 | 152 | F7V: | |||
τ2 Gru | τ2 | 216655 | 113191 | 22h 55m 16.35s | −48° 27′ 57.4″ | 7.04 | 3.71 | 151 | G5 | |||
HD 213240 | 213240 | 6.80 | ha un pianeta | |||||||||
HD 208487 | 208487 | 7.48 | ha un pianeta | |||||||||
Legenda della tabella
· Nome = nome proprio della stella.
· ass. = magnitudine assoluta della stella (Mv).
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Collegamenti esterni
[modifica | modifica wikitesto]- ESA, The Hipparcos and Tycho Catalogues, su cdsarc.u-strasbg.fr, 1997. URL consultato il 26 dicembre 2006.
- N. D. Kostjuk, HD-DM-GC-HR-HIP-Bayer-Flamsteed Cross Index, su cdsarc.u-strasbg.fr, 2002. URL consultato il 26 dicembre 2006.
- N. G. Roman, Identification of a Constellation from a Position, su cdsarc.u-strasbg.fr, 1987. URL consultato il 26 dicembre 2006.