2013ApJ...773....1J


C.D.S. - SIMBAD4 rel 1.7 - 2019.10.22CEST20:44:09

2013ApJ...773....1J - Astrophys. J., 773, 1 (2013/August-2)

Did the ancient egyptians record the period of the eclipsing binary Algol–The Raging one?

JETSU L., PORCEDDU S., LYYTINEN J., KAJATKARI P., LEHTINEN J., MARKKANEN T. and TOIVARI-VIITALA J.

Abstract (from CDS):

The eclipses in binary stars give precise information of orbital period changes. Goodricke discovered the 2.867 day period in the eclipses of Algol in the year 1783. The irregular orbital period changes of this longest known eclipsing binary continue to puzzle astronomers. The mass transfer between the two members of this binary should cause a long-term increase of the orbital period, but observations over two centuries have not confirmed this effect. Here, we present evidence indicating that the period of Algol was 2.850 days three millennia ago. For religious reasons, the ancient Egyptians have recorded this period into the Cairo Calendar (CC), which describes the repetitive changes of the Raging one. CC may be the oldest preserved historical document of the discovery of a variable star.

Abstract Copyright:

Journal keyword(s): binaries: eclipsing - history and philosophy of astronomy - methods: statistical - stars: evolution - stars: individual (Algol, Bet Per, HD 19356)

VizieR on-line data: <Available at CDS (J/ApJ/773/1): table1.dat table3.dat>

Simbad objects: 120

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Number of rows : 120

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2019
#notes
1 * bet Cas dS* 00 09 10.68518 +59 08 59.2120 2.73 2.61 2.27 1.97 1.77 F2III 493 0
2 V* U Cep Al* 01 02 18.4416064122 +81 52 32.080928443   6.92 6.92     G2III:+B8/9 455 0
3 * gam01 And SB* 02 03 53.9531 +42 19 47.009 4.22 3.30 2.10 1.16 0.47 K2+IIb 319 0
4 * bet Tri SB* 02 09 32.62712 +34 59 14.2694 3.26 3.14 3.00 2.86 2.78 A5III 203 0
5 * omi Cet Mi* 02 19 20.79210 -02 58 39.4956   7.63 6.53 5.03   M5-9IIIe+DA 1412 0
6 * gam Per Al* 03 04 47.7907410 +53 30 23.168725 4.08 3.63 2.93 2.34 1.89 G9III+A2-III: 193 1
7 * rho Per LP* 03 05 10.59385 +38 50 24.9943 6.83 5.04 3.39 1.59 -0.03 M4+IIIa 306 0
8 * bet Per Al* 03 08 10.1324535 +40 57 20.328013 1.70 2.07 2.12 2.08 2.11 B8V 1135 2
9 * alf Per V* 03 24 19.3700924 +49 51 40.245455 2.64 2.27 1.79     F5Ib 791 2
10 * omi Tau SB* 03 24 48.7914590778 +09 01 43.994132248 5.090 4.490 3.600 2.92 2.47 G6III 213 0
11 * ksi Tau EB* 03 27 10.1384893130 +09 43 57.862146153 3.33 3.66 3.75 3.76 3.85 B9Vn 176 0
12 * del Per Be* 03 42 55.5042561 +47 47 15.174633 2.38 2.89 3.01 2.99 3.10 B5III 301 0
13 * 17 Tau Be* 03 44 52.5368818 +24 06 48.011217 3.19 3.59 3.70 3.71 3.80 B6IIIe 370 1
14 * eta Tau Be* 03 47 29.0765529 +24 06 18.488347 2.44 2.78 2.87 2.84 2.88 B7III 507 1
15 * 27 Tau SB* 03 49 09.7425852 +24 03 12.300277 3.18 3.54 3.63 3.62 3.68 B8III 359 0
16 * zet Per V* 03 54 07.9224751 +31 53 01.081262 2.19 2.97 2.85 2.71 2.62 B1Ib 809 0
17 * eps Per bC* 03 57 51.2320472 +40 00 36.775143 1.71 2.71 2.89 2.96 3.14 B1.5III 493 0
18 * lam Tau Al* 04 00 40.8157175 +12 29 25.225937 2.66 3.29 3.41 3.44 3.53 B4IV 326 0
19 * gam Tau ** 04 19 47.6038491 +15 37 39.515422 5.46 4.64 3.65 4.83   G9.5IIIabCN0.5 505 0
20 * del Tau SB* 04 22 56.1010361735 +17 32 33.055967140 5.56 4.74 3.76 5.56   G9.5IIICN0.5 486 0
21 * eps Tau ** 04 28 36.9988174 +19 10 49.544603 5.42 4.54 3.53     G9.5IIICN0.5 534 1
22 * tet02 Tau dS* 04 28 39.7445471109 +15 52 15.122606898 3.690 3.600 3.410 5.43   A7III 412 0
23 * alf Tau LP? 04 35 55.23907 +16 30 33.4885 4.32 2.40 0.86 -0.37 -1.31 K5+III 1167 1
24 * pi.03 Ori PM* 04 49 50.4109057 +06 57 40.588294 3.620 3.630 3.190 2.77 2.51 F6V 520 0
25 * pi.04 Ori SB* 04 51 12.3647208 +05 36 18.372305 2.700 3.500 3.680 3.74 3.90 B2III 295 0
26 * mu. Lep a2* 05 12 55.9051909878 -16 12 19.653781382 2.78 3.18 3.29 3.30 3.42 B9IV:HgMn 262 1
27 * bet Tau PM* 05 26 17.51312 +28 36 26.8262 1.03 1.52 1.65 1.66 1.76 B7III 346 1
28 * o Tau * 05 27 38.0840639 +21 56 13.073806 3.98 4.719 4.868     B2.5V 143 0
29 * bet Dor cC* 05 33 37.5125319201 -62 29 23.323100433 5.13 4.58 3.76 3.55 3.12 F8/G0Ib 338 0
30 * zet Tau Be* 05 37 38.6854231 +21 08 33.158804 2.22 2.84 3.03 3.06 3.15 B1IVe_shell 691 0
31 * eta Gem RG* 06 14 52.6452865329 +22 30 24.434377815 6.55 4.89 3.28 1.79 0.48 M2IIIa 240 0
32 * mu. Gem LP* 06 22 57.62686 +22 30 48.8979 6.37 4.51 2.87 1.30 -0.08 M3IIIab 362 1
33 * alf Car * 06 23 57.10988 -52 41 44.3810 -0.49 -0.59 -0.74 -0.96 -1.13 A9II 412 0
34 * gam Gem SB* 06 37 42.71050 +16 23 57.4095 1.98 1.92 1.92 1.86 1.87 A1.5IV+ 480 0
35 * eps Gem V* 06 43 55.9262590 +25 07 52.051484 5.85 4.39 2.98 2.01 1.40 G8Ib 378 0
36 * ksi Gem PM* 06 45 17.3643205 +12 53 44.131127 3.85 3.79 3.36 2.97 2.74 F5IV-V 199 0
37 * tet Gem PM* 06 52 47.3388710 +33 57 40.517462 3.84 3.70 3.60 3.50 3.42 A2IV 122 0
38 * zet Gem cC* 07 04 06.5307903 +20 34 13.073871 5.20 4.58 3.79   3.082 G1Ib 525 0
39 * lam Gem PM* 07 18 05.57977 +16 32 25.3905   3.674 3.559     A4IV 229 0
40 * del Gem SB* 07 20 07.3797829 +21 58 56.337741 3.91 3.87 3.53 3.17 2.98 F2VkF0mF0 226 0
41 * iot Gem ** 07 25 43.5953160 +27 47 53.092849 5.67 4.83 3.79 3.02 2.52 G9IIIb 196 0
42 * bet CMi Be* 07 27 09.0417373 +08 17 21.536745 2.52 2.80 2.89 2.90 2.96 B8Ve 355 0
43 * alf Gem A SB* 07 34 35.863 +31 53 17.79     1.9     A1.5IV+ 378 0
44 * alf Gem ** 07 34 35.87319 +31 53 17.8160 1.63 1.62 1.58 1.51 1.52 A1V+A2Vm 234 0
45 * ups Gem PM* 07 35 55.3506173748 +26 53 44.711452380 7.54 5.60 4.06 2.82 1.91 M0III 191 0
46 * kap Gem ** 07 44 26.8535692 +24 23 52.787227 5.19 4.49 3.57 2.86 2.41 G8III-IIIb 282 0
47 * bet Gem PM* 07 45 18.94987 +28 01 34.3160 3.00 2.14 1.14 0.39 -0.11 K0IIIb 1036 1
48 * chi Car bC* 07 56 46.7232212143 -52 58 56.394323256 2.64 3.267 3.431     B3IV 136 1
49 * eps Car ** 08 22 30.83526 -59 30 34.1431   3.156 1.953     K3:III+B2:V 80 0
50 * bet Vol PM* 08 25 44.1947206 -66 08 12.804954   4.896 3.759     K2III 76 0
51 V* X Car bL* 08 31 16.8005211905 -59 13 37.341306614   8.13 8.06     A0Vn 32 0
52 * omi Vel Pu* 08 40 17.5855320 -52 55 18.800233 2.8 3.44 3.63     B3/5(V) 160 1
53 * n Vel * 08 41 13.1296633773 -47 19 01.661000818 5.01 4.89 4.77 4.56 4.37 A5II 46 0
54 * del Vel Al* 08 44 42.22658 -54 42 31.7493   2.00 1.95     A2IV+A4V+F8V 183 0
55 * c Car PM* 08 55 02.8282209 -60 38 40.599812 3.28 3.74 3.80     B8/9II 65 0
56 * alf Vol ** 09 02 26.7959209 -66 23 45.872743   4.144 3.990     kA3hA5mA5V 99 1
57 * a Car SB* 09 10 58.0863884 -58 58 00.817205 2.56 3.25 3.40     B2IV-V 126 0
58 * i Car * 09 11 16.7208929 -62 19 01.129500 3.13 3.774 3.943     B3V 102 0
59 * bet Car PM* 09 13 11.97746 -69 43 01.9473 1.72 1.69 1.69 1.63 1.61 A1III- 209 0
60 * iot Car V* 09 17 05.4068572 -59 16 30.835305 2.60 2.44 2.26 2.02 1.82 A7Ib 146 0
61 * kap Vel SB* 09 22 06.8176100 -55 00 38.401683 1.5 2.324 2.473     B2IV 149 0
62 * N Vel V* 09 31 13.3189137 -57 02 03.757780   4.691 3.139     K5III 87 0
63 * O Vel PM* 09 43 42.2344438767 -53 53 28.611357618   5.504 5.544     A0IV 39 0
64 * l Car cC* 09 45 14.8112246 -62 30 28.451894   4.33 3.40     G5Iab/b 277 1
65 * ups Car ** 09 47 06.12170 -65 04 19.2267           A9 19 0
66 * ups Car A * 09 47 06.123 -65 04 19.22   3.25 2.99 4.92   A8Ib 52 0
67 * phi Vel * 09 56 51.7416742 -54 34 04.039043 2.81 3.35 3.45 3.51 3.59 B5Ib 120 0
68 V* S Car Mi* 10 09 21.8940682260 -61 32 56.430903888 9.38 7.63 5.71 5.20 3.64 K5-M6e 126 0
69 * ome Car Be* 10 13 44.2173938 -70 02 16.456305 2.92 3.25 3.33 3.29 3.32 B8IIIe 109 0
70 * q Car LP* 10 17 04.9753050 -61 19 56.288301   4.899 3.350     K2.5II 123 0
71 * I Car V* 10 24 23.7059714 -74 01 53.803578 4.35 4.36 4.01 3.67 3.48 F3V 119 0
72 * s Car V* 10 27 52.7287652 -58 44 21.850672   4.111 3.810     F2II 83 0
73 * p Car Be* 10 32 01.4629679 -61 41 07.196308 2.46 3.18 3.27 3.22 3.28 B4Vne 218 0
74 * tet Car SB* 10 42 57.4019674 -64 23 40.020796 1.53 2.54 2.76 2.87 3.10 B0Vp 312 0
75 * u Car PM* 10 53 29.6552368 -58 51 11.416313 5.39 4.74 3.79 3.07 2.57 K0IV 86 0
76 V* U Car cC* 10 57 48.1866898409 -59 43 55.880151632 8.31 7.21 6.11   5.073 G5/8Iab 202 0
77 * x Car cC* 11 08 35.3899998 -58 58 30.135741 6.07 5.09 3.83 2.86 2.27 G5_0-Ia 140 0
78 * pi. Cen ** 11 21 00.40615 -54 29 27.6654   3.743 3.90     B5Vn 111 1
79 * lam Cen * 11 35 46.8790838328 -63 01 11.396483522 2.96 3.10 3.14 3.10 3.11 B9III 121 0
80 * lam Mus PM* 11 45 36.4191583 -66 43 43.543945 3.96 3.81 3.65 3.51 3.43 A7V 79 0
81 * o Her SB* 16 24 10.8287234860 +06 56 53.556182331   5.828 5.819     A1III 69 0
82 * mu. Her ** 17 46 27.5266778 +27 43 14.437984 4.56 4.17 3.42 2.89 2.51 G5IV 637 1
83 * tet Her V* 17 56 15.1805442 +37 15 01.934351 6.70 5.23 3.88 2.98 2.38 K1IIaCN2 204 0
84 * ksi Her LP* 17 57 45.8857114 +29 14 52.367509 5.34 4.64 3.70 3.01 2.55 G8.5III 219 0
85 * omi Her Be* 18 07 32.5507266 +28 45 44.967843 3.74 3.802 3.827     B9.5III 141 0
86 * 109 Her PM* 18 23 41.8896673559 +21 46 11.085401616 6.18 5.02 3.84 2.99 2.39 K2IIIab 166 0
87 * alf Lyr dS* 18 36 56.33635 +38 47 01.2802 0.03 0.03 0.03 0.07 0.10 A0Va 2472 0
88 * 110 Her PM* 18 45 39.7257041 +20 32 46.717099 4.66 4.65 4.19 3.80 3.54 F5.5IV-V 375 0
89 * bet Lyr bL* 18 50 04.7952472 +33 21 45.609978 2.85 3.42 3.42 3.31 3.29 B8.5Ib-II 882 0
90 * 13 Lyr LP* 18 55 20.1022285 +43 56 45.931489 7.00 5.59 4.00 1.95 0.04 M5III 298 0
91 * kap Pav WV* 18 56 57.0309200480 -67 14 00.566631622   5.08 4.40     G5Iab/b 116 0
92 * gam Lyr * 18 58 56.6224137 +32 41 22.400295 3.140 3.200 3.250 3.27 3.28 B9III 265 0
93 * eps Aql SB* 18 59 37.3616087625 +15 04 05.880705609 6.14 5.10 4.02 3.26 2.74 K1-IIICN0.5 177 0
94 * i Aql V* 19 01 40.8270735 -05 44 20.813427 6.15 5.11 4.02 3.23 2.69 K1III 87 0
95 * zet Aql PM* 19 05 24.6080155 +13 51 48.518212 2.99 3.00 2.99 2.98 2.98 A0IV-Vnn 317 0
96 * lam Aql PM* 19 06 14.9397099975 -04 52 57.231496924 3.07 3.34 3.43 3.46 3.55 B8.5V 205 0
97 * del Aql ** 19 25 29.90139 +03 06 53.2061 3.72 3.68 3.36 3.11 2.95 F1IV-V(n) 221 0
98 * bet Cyg A ** 19 30 43.28052 +27 57 34.8483   4.171 3.085     K3II+B9.5V 217 0
99 * gam Aql * 19 46 15.5802908 +10 36 47.740788 5.93 4.23 2.72 1.65 0.87 K3II 416 0
100 * chi Cyg S* 19 50 33.9243904 +32 54 50.609683 7.02 6.06 4.24 1.81 -0.01 S6-9/1-2e 659 0
101 * alf Aql dS* 19 50 46.99855 +08 52 05.9563 1.07 0.98 0.76 0.62 0.49 A7Vn 805 0
102 * eta Aql cC* 19 52 28.3677478 +01 00 20.369619 5.12 4.61 3.80   3.030 F6Iab+B9.8V 627 0
103 * bet Aql PM* 19 55 18.7925630 +06 24 24.342501 5.040 4.560 3.710 3.05 2.56 G8IV 509 0
104 * eta Cyg * 19 56 18.3722223 +35 05 00.322759 5.800 4.910 3.880 3.19 2.66 K0III 268 0
105 * tet Aql SB* 20 11 18.2852804 -00 49 17.262642 3.03 3.15 3.22 3.29 3.33 B9.5III 184 1
106 * alf Cap ** 20 18 03.22 -12 32 41.4           ~ 3 0
107 * alf02 Cap PM* 20 18 03.2559477 -12 32 41.468352 5.20 4.51 3.58 2.91 2.42 G9III 158 0
108 * tet Cep SB* 20 29 34.8651841062 +62 59 38.621587534 4.58 4.42 4.22 4.05 3.96 A7III 144 0
109 * eps Del V* 20 33 12.7719198 +11 18 11.741187 3.43 3.90 4.03 4.05 4.18 B6IV 137 0
110 * eta Cep PM* 20 45 17.3755540 +61 50 19.616737 4.960 4.320 3.410 2.76 2.27 K0IV 413 0
111 * alf Cep PM* 21 18 34.77233 +62 35 08.0681 2.770 2.680 2.460 2.22 2.11 A8Vn 339 0
112 * bet Cep bC* 21 28 39.5968513 +70 33 38.574681 2.05 3.01 3.23 3.33 3.55 B0.5IIIs 677 0
113 * mu. Cep s*r 21 43 30.4610574 +58 46 48.160181 8.85 6.43 4.08 1.98 0.22 M2-Ia 616 1
114 * pi.02 Cyg SB* 21 46 47.6083178 +49 18 34.451096 3.4 4.11 4.18     B3III 161 0
115 * zet Cep EB* 22 10 51.2769159 +58 12 04.545587 6.62 4.90 3.35 2.27 1.49 K1.5Ib 259 0
116 * eps Cep dS* 22 15 02.2114686271 +57 02 36.835994498   4.47   4.0   F0V(Sr) 216 0
117 * del Cep cC* 22 29 10.2650184 +58 24 54.713856 4.71 4.35 3.75   3.219 F5Iab:+B7-8 669 0
118 * alf Lac PM* 22 31 17.5013090 +50 16 56.968200 3.78 3.78 3.77 3.77 3.80 A1V 238 0
119 * iot Cep PM* 22 49 40.8169435 +66 12 01.463616 5.50 4.60 3.54 2.69 2.19 K0-III 230 0
120 * gam Cep SB* 23 39 20.9015326708 +77 37 56.505477975 5.190 4.250   2.6   K1III-IVCN1 543 1

    Equat.    Gal    SGal    Ecl

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2019.10.22-20:44:09

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