Sextans (le Sextant)


Le catalogue




ÉTOILES DOUBLES

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Désignation             AD (2000.0) DE      m1   m2   Écart  PA  Date     Note   Spectre
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AC     5 AB  Gamma  09 52 30.5  -08 06 18   5.4  6.4   0.5"  59° 2002 Orb[   1]  A1V
S    605       9    09 54 06.7  +04 56 43   6.9  8.4  53.3" 288° 2002    [   2]  gM0 K0
A   1767            09 57 43.9  -01 56 30   6.6 10.3   1.9"  23° 1991            G8IV
STF 1441 AB         10 30 58.8  -07 38 16   6.5  8.8   2.8" 168° 2002    [   3]  K5III+F6V
BU  1073            10 32 28.5  -06 04 30   6.9 11.4   3.4"  47° 1940            K0

STF 1466 AB   35    10 43 20.9  +04 44 52   6.2  7.1   6.9" 240° 2002    [   4]
HJ   838 AB   41    10 50 18.1  -08 53 52   5.8 11.6  27.6" 304° 1934    [   5]  A3m

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[   1] Gamma Sex. P = 77.6yr., a = 0.38", motion retrograde.
[   2] 9 Sex. B is BD+05@2247.
[   3] A is a spectroscopic binary. C is BD-06@3171.
[   4] 35 Sex. A is a spectroscopic binary.
       Spectrum composite; K3III+K0III.
[   5] 41 Sex. A is a spectroscopic binary. C is BD-08@3019.




ÉTOILES VARIABLES

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Nom     AD  (2000)  DE      Type       Max    Min        T (Jul)       P (jours)     F   Spectre
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RT    10 12.32 -10 19.2     SRb        7.9     8.95  v                  96               M6
S     10 34.94 -00 20.5     M          8.2    13.7   v   2445390.      264.9         50  M2e-M5e
RV    10 46.66 -08 23.1     RRab      11.8    12.6   p   2429640.620     0.503413    20  A0-A2

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CIEL PROFOND

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Nom          AD (2000) DE     Type          V     B       Dim.        Dist.     Notes
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NGC 2967    09 42.1  +00 20   GSA(s)c      11.6  12.3   3.0x2.8'    1740 km/s
NGC 2974    09 42.6  -03 42   GE4          10.9  11.9   3.5x2.0'    1890 km/s
NGC 2979    09 43.1  -10 23   G(R')SA(r)a?       13.2   1.5x0.93'   2540 km/s
NGC 3035    09 51.9  -06 49   GSB(rs)bc          13.2   1.6x1.4'    4320 km/s
NGC 3044    09 53.7  +01 35   GSB(s)c(:)/  11.9  12.5   4.9x0.71'   1150 km/s

NGC 3055    09 55.3  +04 16   GSAB(s)c     12.1  12.7   2.1x1.3'    1700 km/s
NGC 3110    10 04.0  -06 29   GSB(rs)bp          13.0   1.5x0.74'   4910 km/s
NGC 3115    10 05.2  -07 43   GSO-/         8.9   9.9   7.2x2.5'     492 km/s
NGC 3156    10 12.7  +03 08   GSO:         12.3  13.1   1.9x1.1'     980 km/s
NGC 3166    10 13.8  +03 26   GSAB(rs)/a   10.4  11.3   4.8x2.3'    1210 km/s

NGC 3169    10 14.2  +03 28   GSA(s)ap     10.2  11.1   4.4x2.8'    1100 km/s
 IC  630    10 38.6  -07 10   GSOp?              13.1   2.0x1.6     2000 km/s   Mrk 1259
 IC  651    10 51.0  -02 09   GSB(s)mp:          13.4   0.78x0.78'  4320 km/s   Arak 258
NGC 3423    10 51.2  +05 51   GSA(s)cd     11.1  11.6   3.8x3.2'     890 km/s

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