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| Query : 1981ApJ...250..293A |
1981ApJ...250..293A - Astrophys. J., 250, 293-299 (1981)
The cool Half of the H-R diagram in soft X-rays.
AYRES T.R., LINSKY J.L., VAIANA G.S., GOLUB L. and ROSNER R.
Journal keyword(s):
Simbad objects: 44
| Number of rows : 44 |
| N | Identifier | Otype |
ICRS (J2000) RA |
ICRS (J2000) DEC |
Mag U | Mag B | Mag V | Mag R | Mag I | Sp type |
#ref
1850 - 2026 |
#notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | * alf Cas | PM* | 00 40 30.4430418459 | +56 32 14.385181354 | 4.52 | 3.40 | 2.23 | 1.45 | 0.85 | K0-IIIa | 349 | 0 |
| 2 | * bet Cet | PM* | 00 43 35.37090 | -17 59 11.7827 | 3.90 | 3.02 | 2.01 | 1.29 | 0.78 | G9.5IIICH-1 | 543 | 1 |
| 3 | * tau Cet | PM* | 01 44 04.0831371922 | -15 56 14.927607677 | 4.43 | 4.22 | 3.50 | 2.88 | 2.41 | G8V | 1354 | 1 |
| 4 | * alf Ari | PM* | 02 07 10.40570 | +23 27 44.7032 | 4.29 | 3.17 | 2.01 | 1.15 | 0.54 | K2-IIIbCa-1 | 644 | 2 |
| 5 | * chi Per | * | 02 18 04.5845635872 | +57 30 58.759401204 | 7.036 | 6.0230 | G7.0III | 179 | 1 | |||
| 6 | * eps Eri | BY* | 03 32 55.8444911587 | -09 27 29.739493865 | 5.19 | 4.61 | 3.73 | 3.00 | 2.54 | K2V | 2073 | 1 |
| 7 | * alf Tau | LP? | 04 35 55.23907 | +16 30 33.4885 | 4.32 | 2.40 | 0.86 | -0.37 | -1.31 | K5+III | 1298 | 2 |
| 8 | * alf Aur | SB* | 05 16 41.35871 | +45 59 52.7693 | 1.33 | 0.88 | 0.08 | -0.52 | -0.96 | G3III: | 1207 | 0 |
| 9 | * bet Lep | PM* | 05 28 14.7228880318 | -20 45 33.997988694 | 4.13 | 3.66 | 2.84 | 2.19 | 1.75 | G5II-IIIa: | 254 | 0 |
| 10 | * alf Ori | s*r | 05 55 10.30536 | +07 24 25.4304 | 4.38 | 2.27 | 0.42 | -1.17 | -2.45 | M1-M2Ia-Iab | 1789 | 0 |
| 11 | * alf Car | * | 06 23 57.10988 | -52 41 44.3810 | -0.49 | -0.59 | -0.74 | -0.96 | -1.13 | A9II | 461 | 1 |
| 12 | * eps Gem | V* | 06 43 55.9271511904 | +25 07 52.057892524 | 5.85 | 4.39 | 2.98 | 2.01 | 1.40 | G8Ib | 408 | 0 |
| 13 | * del CMa | s*y | 07 08 23.4840514 | -26 23 35.518484 | 3.06 | 2.52 | 1.84 | 1.33 | 1.00 | F8Ia | 348 | 0 |
| 14 | * bet Gem | PM* | 07 45 18.94987 | +28 01 34.3160 | 3.00 | 2.14 | 1.14 | 0.39 | -0.11 | K0IIIb | 1150 | 2 |
| 15 | * eps Car | ** | 08 22 30.83526 | -59 30 34.1431 | 3.32 | 3.13 | 1.86 | K3:III+B2:V | 98 | 0 | ||
| 16 | * pi.01 UMa | BY* | 08 39 11.7046112880 | +65 01 15.263122512 | 6.33 | 6.26 | 5.64 | 5.12 | 4.79 | G0.5V | 608 | 0 |
| 17 | * mu. Vel | PM* | 10 46 46.1750979464 | -49 25 12.935780341 | 4.16 | 3.59 | 2.69 | 2.01 | 1.52 | G6III | 192 | 0 |
| 18 | * alf UMa | ** | 11 03 43.67152 | +61 45 03.7249 | 3.78 | 2.86 | 1.79 | 0.98 | 0.40 | G9III+A7.5 | 448 | 0 |
| 19 | * bet Vir | PM* | 11 50 41.7185158616 | +01 45 53.001539131 | 4.26 | 4.15 | 3.60 | 3.13 | 2.85 | F9V | 973 | 0 |
| 20 | * bet Crv | PM* | 12 34 23.2349224335 | -23 23 48.336778328 | 4.17 | 3.52 | 2.64 | 2.03 | 1.59 | G5IIBa0.3 | 272 | 0 |
| 21 | * bet Com | PM* | 13 11 52.3938268062 | +27 52 41.462309460 | 4.92 | 4.84 | 4.25 | 3.77 | 3.47 | F9.5V | 946 | 0 |
| 22 | * alf Boo | RG* | 14 15 39.67207 | +19 10 56.6730 | 2.46 | 1.18 | -0.05 | -1.03 | -1.68 | K1.5IIIFe-0.5 | 2417 | 1 |
| 23 | * alf Cen B | PM* | 14 39 35.06311 | -60 50 15.0992 | 2.89 | 2.21 | 1.33 | K1V | 1092 | 2 | ||
| 24 | * alf Cen A | SB* | 14 39 36.49400 | -60 50 02.3737 | 0.96 | 0.72 | 0.01 | G2V | 1352 | 1 | ||
| 25 | * alf Ser | PM* | 15 44 16.0741095811 | +06 25 32.268792881 | 5.080 | 3.800 | 2.630 | 1.82 | 1.25 | K2IIIbCN1 | 533 | 0 |
| 26 | * eta Dra | PM* | 16 23 59.4863284800 | +61 30 51.155139060 | 4.35 | 3.65 | 2.74 | 2.12 | 1.66 | G8-IIIab | 313 | 0 |
| 27 | * alf Sco B | Em* | 16 29 24.20 | -26 25 51.0 | 5.0 | 5.2 | B2.5V | 119 | 0 | |||
| 28 | * alf Sco | s*r | 16 29 24.45970 | -26 25 55.2094 | 4.08 | 2.75 | 0.91 | -0.64 | -1.87 | M1.5Iab+B2Vn | 786 | 0 |
| 29 | * eps Sco | PM* | 16 50 09.8108127 | -34 17 35.633735 | 4.61 | 3.45 | 2.29 | 1.43 | 0.83 | K1III | 228 | 0 |
| 30 | * mu. Dra A | PM* | 17 05 20.1239330976 | +54 28 12.082867392 | 6.17 | 5.66 | F6V | 101 | 0 | |||
| 31 | * mu. Dra B | SB* | 17 05 20.2106516880 | +54 28 14.275098156 | 6.22 | 5.69 | F6V | 110 | 0 | |||
| 32 | * bet Dra | * | 17 30 25.9616959 | +52 18 04.999351 | 4.43 | 3.79 | 2.81 | 2.12 | 1.64 | G2Ib-IIa | 428 | 0 |
| 33 | * 70 Oph | SB* | 18 05 27.28518 | +02 30 00.3558 | 5.40 | 4.89 | 4.03 | 3.38 | 2.92 | K0-V | 679 | 0 |
| 34 | * eta Aql | cC* | 19 52 28.3689223781 | +01 00 20.371980515 | 5.12 | 4.61 | 3.80 | 3.030 | F6Iab+B9.8V | 701 | 0 | |
| 35 | * del Pav | PM* | 20 08 43.6088716052 | -66 10 55.442769229 | 4.78 | 4.32 | 3.56 | 2.95 | 2.61 | G8IV | 422 | 0 |
| 36 | * eps Cyg | ** | 20 46 12.6722768426 | +33 58 13.182037125 | 4.370 | 3.520 | 2.480 | 1.73 | 1.19 | K0III | 519 | 0 |
| 37 | * ksi Cyg | SB* | 21 04 55.8599363125 | +43 55 40.272058234 | 7.17 | 5.39 | 3.73 | 2.55 | 1.63 | K4.5Ib-II | 324 | 0 |
| 38 | * 61 Cyg A | BY* | 21 06 53.9395895022 | +38 44 57.902349973 | 7.50 | 6.39 | 5.21 | 4.19 | 3.54 | K5V | 1099 | 0 |
| 39 | * bet Aqr | * | 21 31 33.5320760349 | -05 34 16.229381029 | 4.27 | 3.71 | 2.89 | 2.29 | 1.84 | G0Ib | 463 | 0 |
| 40 | * eps Peg | LP* | 21 44 11.1561394 | +09 52 30.031152 | 5.61 | 3.91 | 2.39 | 1.34 | 0.58 | K2Ib-II | 464 | 1 |
| 41 | * 9 Peg | V* | 21 44 30.6958020785 | +17 21 00.062899998 | 6.48 | 5.52 | 4.35 | 3.53 | 2.98 | G5Ib | 274 | 0 |
| 42 | * 12 Peg | s*r | 21 46 04.3635268800 | +22 56 55.964753592 | 6.622 | 5.266 | K0IbHdel0.5 | 134 | 0 | |||
| 43 | * alf Aqr | * | 22 05 47.0355458275 | -00 19 11.463439527 | 4.65 | 3.90 | 2.94 | 2.27 | 1.76 | G2Ib | 451 | 0 |
| 44 | * bet Peg | LP* | 23 03 46.45746 | +28 04 58.0336 | 6.05 | 4.09 | 2.42 | 0.92 | -0.40 | M2.5II-III | 606 | 1 |
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