Delphinus (le Dauphin)
Le catalogue
ÉTOILES DOUBLES
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Désignation AD (2000.0) DE m1 m2 Écart PA Date Note Spectre
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CHE 273 20 17 09.8 +15 52 22 7.0 11.0 26.6" 93° 2002
STF 2665 A-BC 20 19 21.2 +14 22 15 6.9 9.6 3.7" 16° 2002 A0+G
HO 131 AB 20 28 18.6 +18 46 10 7.0 10.6 3.5" 330° 1988 G1V
BU 987 AB 20 30 14.4 +19 25 16 6.6 10.9 2.6" 126° 1986 B7IV
FOX 254 AD 20 30 14.4 +19 25 16 6.6 10.9 56.4" 296° 1913
FOX 254 Aa 20 30 14.4 +19 25 16 6.6 10.5 21.2" 70° 2002
BU 363 AB 20 30 58.2 +20 36 22 6.2 10.0 11.8" 70° 1962 A1m
HJ 269 Aa-D 20 31 13.1 +11 15 38 7.0 12.0 23.2" 106° 1958
BU 1208 20 34 31.8 +06 52 41 7.0 11.0 3.1" 336° 1994 B3IV
BU 151 AB Bêta 20 37 32.9 +14 35 43 3.6 4.6 0.6" 352° 2002 Orb[ 1] F5IV
STF 2704 AB-D 20 37 32.9 +14 35 43 3.3 11.0 44.3" 320° 1988
BU 288 AC 20 39 05.0 +15 50 18 5.9 10.8 43.9" 279° 1913
STT 533 AB Kappa 20 39 07.8 +10 05 10 5.0 11.8 34.7" 282° 1970 [ 2] G1IV+K2IV
HJ 1554 Aa-C Alpha 20 39 38.3 +15 54 43 3.9 11.9 47.3" 277° 2002
STF 2723 AB 20 44 54.6 +12 18 45 7.0 8.3 1.0" 135° 2001 [ 3] A3IV
STF 2727 Gamma 20 46 39.5 +16 07 27 4.4 5.0 9.2" 266° 2002 Orb[ 4] K1IV F7V
BU 65 13 20 47 48.3 +06 00 29 5.6 8.2 1.5" 199° 1991 [ 5] A0V
HJ 1592 16 20 55 38.6 +12 34 07 5.6 11.8 36.0" 17° 1960 [ 6] A4V
STF 2735 20 55 40.6 +04 31 58 6.4 7.5 2.0" 282° 2002 G6III-IV
BU 1497 21 00 27.7 +19 19 46 5.9 10.0 50.0" 336° 2000 [ 7] M3IIIab
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[ 1] Beta Del. P = 26.6yr., a = 0.447", motion direct.
[ 2] Kappa Del.
[ 3] Aa: Round 1958-1970. One component possibly variable.
Needs speckle confirmation.
[ 4] Gamma Del. A premature orbit has been computed.
1865.74 observation of TAL55 lists 16.537 in the
Table for the separation but 11.536 in the notes.
The 11.536 value is included.
[ 5] 13 Del. Variable.
[ 6] 16 Del. A is a spectroscopic binary.
[ 7] B is BD+18@4674. Proper motion of B -001 -030.
ÉTOILES VARIABLES
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Nom AD (2000) DE Type Max Min T (Jul) P (jours) F Spectre
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R 20 14.91 +09 05.3 M 7.6 13.8 v 2444091. 285.07 45 M5e-M6e
RU 20 17.46 +10 10.2 M 9.9 <14. v 2438900. 260.58 M3
CT 20 29.44 +09 53.9 Lb 6.8 8.5 v M7
RX 20 30.01 +12 46.2 M 9.7 16.0 p 2442320. 185.63 M2e
Z 20 32.65 +17 27.1 M 8.3 15.3 v 2442317. 304.48 48 S5,2.5e-S7,2e:
TW 20 35.35 +08 11.8 SRb 9.7 13.1 v 2438687.5 115.6 M2
W 20 37.68 +18 17.0 EA/SD 9.69 12.33 V 2443328.5495 4.806100 12 B9.5Ve+G5
EU 20 37.91 +18 16.1 SRb 5.79 6.9 V 2441156. 59.7 M6.4III
Y 20 41.65 +11 52.6 M 8.8 16.5 : v 2442707. 468.40 43 M8e
S 20 43.09 +17 05.3 M 8.3 12.4 v 2444887. 277.75 52 M5e-M8
RR 20 43.57 +13 56.7 EA/SD 10.2 11.8 v 2418183.422 4.599535 16 A
T 20 45.35 +16 24.0 M 8.5 15.2 v 2443296. 332.02 45 M3e-M6e
U 20 45.47 +18 05.4 SRb 7.6 8.9 p 110 M5II-III
BR 20 46.58 +04 23.2 M 10. <12.5 p 2438962. 336.55 M8e
DX 20 47.48 +12 27.8 RRab 9.52 10.26 V 2439367.340 0.47261673 20 A9-F6
V 20 47.75 +19 20.1 M 8.1 16.1 v 2441065. 533.51 42 M4e-M6e
FZ 20 53.55 +04 38.8 EA/SD 10.2 11.3 p 2431324.329 0.7832126 15 *F
X 20 54.89 +17 38.6 M 8.2 14.8 v 2441551. 281.04 42 M4e-M6e
TY 21 04.36 +13 13.0 EA/SD 9.7 10.9 v 2442959.4450 1.19112689 20 *B9
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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 6891 20 15.1 +12 42 NP 2a+2b 10.4 11.7 15x7"/74" 2.2 kpc *=11.1
NGC 6905 20 22.4 +20 07 NP 3+3 11.1 11.9 47x37"/100" 1.3 kpc *=15.5
NGC 6928 20 32.8 +09 56 GSB(s)ab 12.2 13.2 2.0x0.65' 4930 km/s
NGC 6934 20 34.2 +07 24 AG VIII(F7) 8.9 5.9' 14.7 kpc
NGC 6956 20 43.9 +12 31 GSBb 13.1 1.9x1.9' 4840 km/s
NGC 7006 21 01.5 +16 11 AG I (F4) 10.6 2.8' 34.7 kpc
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