Lyra (la Lyre)
Le catalogue
ÉTOILES DOUBLES
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Désignation AD (2000.0) DE m1 m2 Écart PA Date Note Spectre
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COU 1788 18 24 10.9 +42 28 01 6.7 11.4 2.1" 139° 1979 A2
STF 2349 AB 18 36 37.3 +33 28 09 5.4 9.4 7.3" 204° 2002 [ 1] B8II-IIIp
STF 2367 AB-C 18 41 16.4 +30 17 41 7.1 8.8 14.0" 192° 2002 [ 2]
STF 2367 AB-D 18 41 16.4 +30 17 41 6.9 11.9 22.9" 95° 1891
STF 2372 Aa-B 18 42 08.1 +34 44 47 6.4 7.7 24.8" 82° 2002
STF 2382 AB Eps1 18 44 20.3 +39 40 12 5.0 6.1 2.4" 350° 2002 Orb[ 3] A4V F1V
STF A 37 AB-CD Epsi 18 44 20.3 +39 40 12 5.0 5.3 210.5" 174° 1998
STF 2383 Cc-D Eps2 18 44 22.9 +39 36 46 5.3 5.4 2.3" 82° 2002 Orb A8Vn F0Vn
STF 38 AD Dzêta 18 44 46.4 +37 36 18 4.3 5.6 44.0" 150° 2002 F0IVv
H 5 40 AB Nu-1 18 49 45.9 +32 48 46 5.9 10.9 34.8" 73° 1924 [ 4] B3IV
H 5 40 AC 18 49 45.9 +32 48 46 5.9 10.3 58.5" 122° 1934
STF A 39 AB Bêta 18 50 04.8 +33 21 46 3.6 6.7 46.0" 149° 2002 [ 5] B7Ve+A8p
HO 270 AC 18 54 52.2 +41 36 10 5.6 11.6 23.7" 40° 1934
STT 525 AB 18 54 52.5 +33 58 07 6.1 9.1 1.7" 133° 1991 [ 6] A8+G5III
SHJ 282 AC 18 54 52.5 +33 58 07 6.1 7.6 45.8" 350° 1993 [ 7]
STF 3130 AB-C 18 55 57.2 +44 13 42 7.0 10.5 2.7" 259° 1991
STF 2431 18 58 46.6 +40 40 45 6.2 9.6 18.8" 235° 2002 [ 8] B3V
HJ 1362 AB 16 19 01 26.4 +46 56 05 5.0 10.6 43.7" 281° 1925 [ 9] A7V
DA 9 19 04 15.7 +43 52 49 7.1 10.2 2.0" 172° 1991 A0V
STF 2461 AB 17 19 07 25.6 +32 30 06 5.3 9.1 3.7" 290° 2001 [ 10] F0V
STF 2461 Aa 19 07 25.6 +32 30 06 5.3 11.4 48.0" 50° 1933
STF 2470 19 08 45.2 +34 45 37 7.0 8.4 13.9" 268° 2002 [ 11] B5V
STF 2474 Aa-B 19 09 04.4 +34 36 02 6.8 7.9 16.1" 262° 2002 [ 12]
STF 2487 AB Êta 19 13 45.5 +39 08 45 4.4 8.6 28.4" 80° 2000 [ 13] B2.5IV
HAU 24 19 20 33.1 +35 11 09 6.3 10.0 45.0" 272° 1991 B9V
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[ 1] A is possibly a spectroscopic binary. Variable.
[ 2] P = 93yr., a = 0.26", motion retrograde.
C is physical.
Bidelman classifies AB as composite gK+A:.
[ 3] Epsilon (1) Lyr. 4 Lyr. AB: A premature orbit has been
computed.
AB-CD: STF Appendix I 37. See ADS for notes of components.
Cc-D: Epsilon (2) Lyr. 5 Lyr. P = 724yr., a = 2.92",
motion retrograde. C is an Alpha CVn-type variable,
and has a companion, c.
A preliminary sketch of the motions of the SHJ group show the
G component may be flying away in position angle ~190 (DAL05).
[ 4] H V 40. Nu (1) Lyr. A is a Beta Lyrae-type system.
[ 5] Beta Lyrae. A is the prototype variable of its class.
B is BD+33@3224.
[ 6] A is a spectroscopic binary. C is BD+33@3256.
[ 7] A is a spectroscopic binary. C is BD+33@3256.
[ 8] BDS 8981, H IV 93 is identical. A spectroscopic binary.
[ 9] 16 Lyr.
[ 10] 17 Lyr. Mt. Wilson spectral type A is A9n.
A is a spectroscopic binary.
AC: Proper motion of C +1280 +1115. Mt. Wilson spectral
type is M3.
[ 11] B is BD+34 3436. A is a spectroscopic binary.
[ 12] B is BD+34 3438.
[ 13] Eta Lyr. B is BD+38@3491. Proper motion of B -008 -001.
A is a spectroscopic binary.
ÉTOILES VARIABLES
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Nom AD (2000) DE Type Max Min T (Jul) P (jours) F Spectre
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W 18 14.93 +36 40.2 M 7.3 13.0 v 2445084. 197.88 48 M2e-M8e
TZ 18 15.83 +41 06.7 EB/D 10.87 11.85 V 2444784.4093 0.5288269 F5V
TV 18 21.66 +30 27.9 M 10.0 13.9 v 2438439. 262.31 M4e
IO 18 22.63 +32 57.5 RRab 11.27 12.24 V 2439618.9315 0.57712278 18 F1-F6
TW 18 23.95 +39 35.1 M 9.5 14.9 v 2443039. 376.71 M6
T 18 32.33 +36 59.9 Lb 7.84 9.6 V C6,5(R6)
KX 18 33.38 +40 10.4 RRab 10.38 11.47 V 2439630.8696 0.44090446 21 A7-F5
XY 18 38.10 +39 40.1 Lc 5.80 6.35 V M4-5Ib-II
HK 18 42.84 +36 57.5 Lb 7.8 9.6 v C6,4(N4)
RZ 18 43.62 +32 47.9 RRab 10.6 12.03 v 2441183.426 0.5112423 14 A9-F4
RY 18 44.87 +34 40.6 M 9.0 <15.6 v 2445306. 325.79 40 M5e-M6e
RW 18 45.17 +43 38.1 M 9.8 16.0 v 2444486. 503.75 38 M7e
EZ 18 47.69 +35 59.5 RRab 10.8 11.8 v 2433914.3357 0.52526769 10 A7-F4
Bêta 18 50.08 +33 21.8 EB 3.25 4.36 V 2408247.950 12.913834 B8II-IIIep
R 18 55.34 +43 56.7 SRb 3.88 5.0 V 46 M5III
Z 18 59.61 +34 57.2 M 9.2 15.3 v 2445266. 291.70 49 M4e-M5.5:e
RT 19 01.24 +37 31.2 M 9.1 15.2 v 2445119. 253.70 45 M5e
V 19 09.07 +29 39.6 M 8.2 15.7 v 2445209. 373.53 33 M7e
TY 19 09.80 +28 04.3 M 9.0 14.6 v 2442677. 333.71 35 M8e
RU 19 12.35 +41 18.2 M 9.5 15.9 v 2445121. 371.84 45 M6e:-M8e
RS 19 13.03 +33 24.8 M 9.2 15.8 v 2442919. 301.41 48 M5e
S 19 13.20 +26 00.5 M 9.8 15.6 v 2442924. 438.40 40 SCe
SS 19 13.26 +46 58.9 M 8.4 14.0 v 2445090. 346.33 M5IIIe
U 19 20.07 +37 52.5 M 8.3 13.5 v 2442492. 451.72 52 C4.5e(N0e)
UZ 19 21.15 +37 56.2 EA/SD 9.9 11.0 v 2443689.9415 1.8912727 15 B9V
RR 19 25.47 +42 47.2 RRab 7.06 8.12 V 2442923.4193 0.56686776 19 A5.0-F7.0
TT 19 27.59 +41 42.1 EA/SD 9.34 11.43 V 2438605.2644 5.243727 14 B2V
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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 6646 18 29.6 +39 52 GSa 12.6 13.5 1.2x1.0' 5970 km/s
NGC 6675 18 37.4 +40 03 GSbc 13.3 1.7x1.3' 2710 km/s
NGC 6702 18 47.0 +45 42 GE: 12.2 13.2 1.8x1.3' 4930 km/s
NGC 6703 18 47.3 +45 33 GSAO- 11.3 12.3 2.5x2.3' 2580 km/s
PK 64+15.1 18 50.0 +35 15 NP 4 12.9 17" 2.5 kpc *= ?
Steph 1 18 54.0 +36 54 AO III3p 3.8 ( 4.3) 20' 320 pc E 11.0
M 57 18 53.6 +33 02 NP 4+3 8.8 9.7 86x63/150" 0.6 kpc *= 14.8, NGC 6720
NGC 6765 19 11.1 +30 33 NP 5 12.9 38" 2.4 kpc *= 16:
M 56 19 16.6 +30 11 AG X 8.3 7.1' 9.5 kpc NGC 6779
NGC 6791 19 20.7 +37 51 AO II 3r 9.5 (13.0) 16' 5100 pc NR
NGC 6792 19 21.0 +43 08 GSBb 12.9 2.2x1.3' 4860 km/s
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