Piscis Austrinus (le Poisson Austral)
Le catalogue
ÉTOILES DOUBLES
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Désignation AD (2000.0) DE m1 m2 Écart PA Date Note Spectre
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I 1051 Iota 21 44 56.8 -33 01 33 4.3 11.4 20.0" 290° 1910 [ 1] A0V
HJ 5296 AB-C 21 47 44.1 -30 53 54 5.0 11.3 35.5" 339° 1918
BU 276 Êta 22 00 50.2 -28 27 14 5.7 6.8 1.8" 113° 1999 [ 2] B8Ve
PZ 7 Bêta 22 31 30.3 -32 20 46 4.3 7.1 30.3" 172° 1991 [ 3] A0V
HJ 5367 Gamma 22 52 31.5 -32 52 32 4.5 5.0 4.0" 258° 1992 [ 4] A0III
HWE 91 Delta 22 55 56.9 -32 32 23 4.2 9.2 5.2" 243° 1966 [ 5] G8III
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[ 1] Iota PsA. A is a spectroscopic binary. Some doubt as to
the reality of the companion.
[ 2] Eta PsA. Bidelman calls A a spectroscopic binary, and
says a 1972 plate shows a fairly strong H-alpha self-
reversal.
[ 3] Beta PsA. B is CD-32@17127.
[ 4] Gamma PsA. Variable?
[ 5] Delta PsA.
ÉTOILES VARIABLES
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Nom AD (2000) DE Type Max Min T (Jul) P (jours) F Spectre
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RY 21 47.51 -36 11.8 M 8.8 <14.0 v 2437120. 224.39 Me
S 22 03.77 -28 03.2 M 8.0 14.5 v 2440696. 271.7 42 M3e-M5IIe
SW 22 06.17 -29 33.0 EA 10. 11. p 2435728.289
R 22 18.01 -29 36.3 M 8.3 14.7 v 2440820. 297.6 38 M3(II)e-M5IIe
ST 22 54.32 -34 23.5 M 9.5 <13. p 2436006. 179 Me
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CIEL PROFOND
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Nom AD (2000) DE Type V B Dim. Dist. Notes
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IC 5131 21 47.4 -34 53 GSBO- 12.3 13.3 1.4x1.4' 2690 km/s
NGC 7130 21 48.3 -34 57 GSap 12.4 13.1 1.5x1.4' 4850 km/s
NGC 7135 21 49.7 -34 53 GSAO-p 11.7 12.7 3.0x1.9' 2080 km/s
NGC 7154 21 55.4 -34 49 GSB(s)mp: 12.4 12.9 2.1x1.6' 2640 km/s
QSO2155-304 21 58.8 -30 13 QSO/BL 13.1 13.4 51000 km/s var.
NGC 7172 22 02.0 -31 52 GSap/ 11.9 12.9 2.5x1.4' 2620 km/s Hick 90A
NGC 7176 22 02.1 -31 59 GEp: 11.4 12.4 1.0x0.76' 2560 km/s Hick 90B
NGC 7173 22 02.1 -31 58 GE+p: 12.0 12.9 1.2x0.87' 2540 km/s Hick 90C
NGC 7187 22 02.7 -32 48 G(R)SAO(r)+ 12.5 13.5 1.4x1.3' 2700 km/s
IC 5156 22 03.2 -33 50 GSB(s)abp: 12.2 12.9 2.2x0.81' 2800 km/s
NGC 7221 22 11.2 -30 34 GSB(rs)bcp: 12.1 12.8 2.0x1.6' 4360 km/s
NGC 7229 22 14.0 -29 23 GSB(s)c 12.5 13.1 1.8x1.5' 4340 km/s
NGC 7267 22 24.4 -33 42 G(R')SB(rs)ap12.2 12.9 1.6x1.3' 3370 km/s
NGC 7314 22 35.8 -26 03 GSAB(rs)bc 11.0 11.6 4.6x2.1' 1480 km/s Arp 14
NGC 7361 22 42.3 -30 03 GS(r)c:? 12.3 12.7 3.8x0.95' 1280 km/s
IC 5269B 22 56.6 -36 15 GSB(rs)cd: 12.4 13.2 4.1x0.78' 1670 km/s
IC 5269 22 57.7 -36 02 GSAB0(rs): 12.5 13.5 1.8x0.81' 1990 km/s
IC 5270 22 57.9 -35 51 GSB(r)cd:/ 12.5 13.3 3.2x0.62' 1660 km/s
IC 5271 22 58.0 -33 45 GSb? 11.6 12.4 2.6x0.85' 1750 km/s
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