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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