How many stars: -- Constellation: TUC

Constellation:

Original 1875 boundaries:
(232000,-7500) TO (000000,-7500) TO (004500,-7500) TO (004500,-7600) TO (012000,-7600)
 TO (012000,-5830) TO (232000,-5830) TO (232000,-5700) TO (220000,-5700) TO (220000,-6730)
 TO (232000,-6730)

Star Details:

Name Mag mult Info motion LY Pos
Spectral type F9V zeta Tuc 4.23   High proper motion, a nearby star. Proper motion > 1 arcsecond per year1707, 1165, 9 Just 26 to 100 light years away28 002004.3 -645229
Spectral type F6IV kappa Tuc 4.25Suspected variable star Multiple star Quadruple system: two close CPM pairs 320" apart: CPD -69d45, components AB, 5.1, 7.3, 5" and CPD -69d44, components CD. AB, 1222.4y, a = 7.64"; CD 7.8 G5, 8.2, 86.2y, a = 1.12" [YBS]. Suspected slight var, marked as constant in NSV.
Multiple star HJ 3423: mag 5.0 and 7.7, 5.0" PA 322 (1999). F6IV
Proper motion > 0.2 arcsecond per year411, 127, 9 Just 26 to 100 light years away66 011546.2 -685233
Spectral type B9V beta-2 Tuc 4.36 Multiple star A multiple star. 82, -54, 14 101 to 250 light years away139 003132.7 -625730
Spectral type A2V beta-1 Tuc 4.53 Multiple star CPM with HR 126 of which both are close binaries. Also CPM with HR 136.
Multiple star B 7: mag 4.4 and 13.5, 2.6" PA 153 (1932). B9V
[flags]
87, -45, 10 101 to 250 light years away172 003133.5 -625756
Spectral type A0V beta-3 Tuc 5.07 Multiple star Multiple star B 8. Beta-1 and Beta-2 form a close pair. Beta-2 is the CD pair, m4.9 A2V, m5.6 A7V, period 44.43y, a = 0.385".
Multiple star B 8: mag 5.8 and 6.0, 0.1" PA 171 (1964). A0V
86, -49, 5 101 to 250 light years away151 003243.9 -630153
Spectral type G5III iota Tuc 5.36Known variable star   A semi-regular variable, range 0.06Hp.
[flags]
73, -11, -8 251 to 500 light years away279 010718.7 -614631
Spectral type F6V rho Tuc 5.38   Rho is a SB, spectrum F7+F5, period 4.8202 days.
[flags]
54, 41, 14 101 to 250 light years away132 004228.4 -652805
Spectral type G7III lambda-2 Tuc 5.45   No comments. 7, -43, 5 101 to 250 light years away210 005500.3 -693138
Spectral type B9V pi Tuc 5.50 Multiple star Described as double in just one paper, see SIMBAD. -4, 0, 12 251 to 500 light years away306 002039.0 -693730
Spectral type B8III HR 9108 5.59   No comments. 30, -13, -3 Over 500 light years away571 000441.3 -712613

10 stars shown. View all.

Multiple stars:

Star Pair ID Sep PA Year Mags Notes
beta-1 Tuc AB B 7 2.6" 153 1932 4.4 - 13.5 B9V
beta-1 Tuc AC LCL 119 26.6" 168 2002 4.3 - 4.5  
beta-1 Tuc CD I 260 0.5" 270 2001 4.6 - 6.5 A2V+A7V
beta-3 Tuc AB B 8 0.1" 171 1964 5.8 - 6.0 A0V
kappa Tuc A-CD HJ 3423 319.5" 310 1991 5.0 - 7.8  
kappa Tuc AB HJ 3423 5" 322 1999 5.0 - 7.7 F6IV
kappa Tuc CD I 27 1" 280 2001 7.8 - 8.4 K2V
HR 32 AB I 43 0.3" 215 1996 7.0 - 8.6 F2V+F6V
HR 32 AB-C I 43 20" 0 1911 6.8 - 14.0  
HR 199 AB COO 3 2.3" 66 2001 6.3 - 8.0 F5III-IV

10 pairs shown. View all.

Variable stars:

Variable Mags Range Period Type Notes

10 variables shown. View all.

Deep sky objects:

Image Name Type Mag Info size Pos

DSS2, scale 60'
NGC 292 Gx 2.3 V SMC - the Small Magellanic Cloud. 320' x 180' 005238 -724801

DSS2, scale 30'
NGC 104 Gb 4.9 V Globular cluster 47 Tuc, just west of SMC. 30.9' 002405.7 -720453

DSS2, scale 6'
NGC 362 Gb 7.2 V   12.9' 010314.3 -705053.6

DSS2, scale 3'
NGC 330 OC 9.6 Open cluster in the SMC. 2' 005618.7 -722750

DSS2, scale 3'
NGC 346 C+N 10.3 Star cloud and nebule in the SMC. 14' 005918 -721048

DSS2, scale 3'
NGC 419 Gb 10.6 V   2.6' 010819.5 -725302.5

DSS2, scale 0'
NGC 376 10.9 V   ? 010353.44 -724934.2

DSS2, scale 3'
NGC 121 Gb 11.2 V Globular cluster in the SMC. 1.5' 002649.0 -713210

DSS2, scale 0'
IC 1644 11.3 V   ? 010913.6 -731141

DSS2, scale 3'
NGC 416 Gb 11.4 V   1.1' 010759.0 -722119.5

10 objects shown. View all.

Notes on data shown (stars):

CREDITS & references