Octans (l'Octant)


Le catalogue




ÉTOILES DOUBLES

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Désignation             AD (2000.0) DE      m1   m2   Écart  PA  Date     Note   Spectre
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R     38            03 42 32.7  -85 15 43   6.6  8.1   1.9" 252° 1993            B9.5IV
HJ  4490            12 02 20.2  -85 37 54   6.2  9.0  24.8" 146° 1994    [   1]  K3III
RST 2819     Iota   12 54 58.7  -85 07 24   5.9  6.9   0.7" 239° 1991    [   2]  K0III
HJ  4912            17 28 44.0  -82 46 47   6.6 10.7  24.7" 122° 1991            B2V
HJ  5182            20 33 17.6  -80 57 54   5.9 10.8  26.1" 359° 1991    [   3]  G6-8II

DUN  232     Mu-2   20 41 44.1  -75 21 03   6.5  7.1  16.8"  17° 1992    [   4]  G5III
HJ  5262            21 33 21.1  -80 02 22   6.5 11.5  24.3"  92° 1970            A0V
HJ  5278     Lambda 21 50 54.5  -82 43 08   5.6  7.3   3.3"  62° 1999    [   5]  G8-K0III
HJ  5306            22 03 03.8  -76 07 06   6.0 10.6  35.0"  70° 1991    [   6]  F3III
DUN  238            22 25 51.2  -75 00 56   6.2  8.9  20.6"  80° 1991            G3V

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[   1] B is CPD-84@372.
[   2] Iota Oct.
[   3] B is CPD-81@900.
[   4] Mu (2) Oct.
[   5] Lambda Oct.
[   6] A is a spectroscopic binary.




ÉTOILES VARIABLES

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Nom     AD  (2000)  DE      Type       Max    Min        T (Jul)       P (jours)     F   Spectre
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R     05 26.09 -86 23.4     M          6.4    13.2   v   2441985.      405.39        44  M5.5e
X     10 26.24 -84 20.8     SRa        8.7    12.7   p   2428885.      206.80            M3e-M6IIIe
U     13 24.52 -84 13.5     M          7.0    14.1   v   2441915.      308.44        47  M4e-M6(II-III)e
UV    16 32.44 -83 54.1     RRab       8.70    9.97  V   2434328.396     0.542625        A6-F6
S     18 08.68 -86 47.8     M          7.2    14.0   v   2442032.      259.00        42  M4(II)e-M5e

TZ    19 07.18 -75 20.3     EA        11.     12.5   p
TW    19 44.63 -77 15.2     SRa        9.9    12.2   p   2428695.      132           45  Me
T     21 13.97 -82 06.2     M          8.8    14.8   v   2439504.      218.50        51  M2e-M4(II:)e
RY    21 36.14 -77 18.0     RRab      10.4    12.1   p   2427987.453     0.563469    36:
SS    21 53.51 -82 46.3     RRab      10.8    12.1   p   2428020.607     0.621825    13

Epsil 22 20.01 -80 26.4     SRb        4.58    5.30  V                  55               M6III

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CIEL PROFOND

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Nom          AD (2000) DE     Type          V     B       Dim.        Dist.     Notes
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E   5- 4    06 05.7  -86 38   GSb:/              13.2   3.8x0.83'   1730 km/s
NGC 6438    18 22.3  -85 24   GRing        11.2  12.1   1.6x1.3'    2270 km/s
NGC 6438A   18 22.7  -85 24   GRing              12.6   2.7x1.0'    2360 km/s
NGC 6920    20 43.9  -80 00   GSAO(rs)/a:  12.4  13.6   1.8x1.5'    2630 km/s
NGC 7098    21 44.3  -75 07   G(R)SAB(rs)a 11.3  12.2   4.1x2.6'    2270 km/s

NGC 7095    21 52.5  -81 32   GSB(s)c      11.6  12.5   2.8x2.7'    2410 km/s   Fair  353
NGC 7637    23 26.5  -81 55   GSA(r)c            13.2   2.1x1.9'    3470 km/s

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