Knowledge (XXG)

HD 84810

Source 📝

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Fouqué, P.; Arriagada, P.; Storm, J.; Barnes, T. G.; Nardetto, N.; Mérand, A.; Kervella, P.; Gieren, W.; Bersier, D.; Benedict, G. F.; McArthur, B. E. (2007). "A new calibration of Galactic Cepheid period-luminosity relations from B to K bands, and a comparison to LMC relations".
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Neilson, Hilding R; Engle, Scott G; Guinan, Edward F; Bisol, Alexandra C; Butterworth, Neil (2016), "The Secret Lives of Cepheids: Evolution, Mass-Loss, and Ultraviolet Emission of the Long-period Classical Cepheid",
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Kervella, P.; Mérand, A.; Gallenne, A. (2009), "The circumstellar envelopes of the Cepheids ℓ Carinae and RS Puppis. Comparative study in the infrared with Spitzer, VLT/VISIR, and VLTI/MIDI",
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with 169 times the radius of the Sun. As this is a massive star with 8–13 times the mass of the Sun, it rapidly burns through its supply of nuclear fuel and has become a supergiant in roughly
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Klagyivik, P.; Szabados, L. (September 2009), "Observational studies of Cepheid amplitudes. I. Period-amplitude relationships for Galactic Cepheids and interrelation of amplitudes",
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and its brightness varies over an amplitude range of 0.725 in magnitude with a long period of 35.560 days. This unusually long period makes it essential for calibrating the
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Evans, D. S. (June 20–24, 1966), Batten, Alan Henry; Heard, John Frederick (eds.), "The Revision of the General Catalogue of Radial Velocities",
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Davis, J.; et al. (April 2009), "Observations of the pulsation of the Cepheid l Car with the Sydney University Stellar Interferometer",
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Samus, N. N.; Durlevich, O. V.; et al. (2009). "VizieR Online Data Catalog: General Catalogue of Variable Stars (Samus+ 2007-2013)".
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Tetzlaff, N.; Neuhäuser, R.; Hohle, M. M. (January 2011), "A catalogue of young runaway Hipparcos stars within 3 kpc from the Sun",
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varies from about 3.4 to 4.1, making it readily visible to the naked eye and one of the brightest members of Carina. Based upon
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Madore, B. F. (June 1975), "Photoelectric UBV photometry of Cepheids in the Magellanic Clouds and in the southern Milky Way",
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for Cepheid variables; additionally, it is one of the nearest Cepheid variables, making it relatively easy to observe. The
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at a mean temperature of 100 K. The material for this envelope was supplied by mass ejected from the central star.
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of the star likewise varies by 39 km/s during each pulsation cycle. Its radius varies by about 40 
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The period of l Carinae is calculated to be slowly increasing and it is thought to be crossing the
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Determination of Radial Velocities and Their Applications, Proceedings from IAU Symposium No. 30
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Luck, R. E. (September 1979), "The chemical compositions of nine southern supergiant stars",
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as it pulsates, reaching maximum size as its brightness is decreasing towards minimum.
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VizieR On-line Data Catalog: B/GCVS. Originally Published in: 2009yCat....102025S
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of G5 Iab/Ib. This indicates the star has reached a stage in its
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van Leeuwen, F. (2007), "Validation of the new Hipparcos reduction",
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It has a compact circumstellar envelope that can be discerned using
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for the third time, cooling as it evolves towards a
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This article is about ℓ Carinae. For L Carinae, see
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For i Carinae, see 23:. For I Carinae, see 2362:Astronomical events 1182:1979ApJ...232..797L 1132:2009MNRAS.394.1620D 960:2016ApJ...824....1N 911:1967IAUS...30...57E 870:1975ApJS...29..219M 822:2011MNRAS.410..190T 776:2009yCat....102025S 601:15–17 million years 597:17-19 million years 509:Database references 43: 2459:K-type supergiants 2454:F-type supergiants 2434:G-type supergiants 2009:HD 63765 b (Yvaga) 626: 583:, l Carinae has a 558:apparent magnitude 535: 499: 09438-6216, 464:Other designations 232: −12.88  182:Variable type 150:Spectral type 41: 2444:Hipparcos objects 2401: 2400: 2383: 2382: 2352: 2351: 2326: 2325: 2281: 2280: 2253:Homunculus Nebula 2161: 2160: 2037: 2036: 1961: 1960: 666:instability strip 599:, after spending 527: 526: 244: +8.19  187:Classical Cepheid 2466: 2393: 2392: 2358: 2332: 2292: 2172: 2050: 1967: 1421:T (not variable) 1341: 1303: 1296: 1289: 1280: 1273: 1272: 1246: 1226: 1220: 1219: 1217: 1215: 1200: 1194: 1193: 1165: 1154: 1153: 1143: 1125: 1116:(3): 1620–1630, 1105: 1096: 1095: 1069: 1049: 1036: 1035: 1009: 988: 982: 981: 971: 953: 932: 915: 914: 890: 884: 883: 881: 853: 844: 843: 833: 815: 793: 780: 779: 759: 748: 747: 721: 701: 602: 598: 548:in the southern 540:, also known as 471:l Carinae, 360: 358: 288: 287: 286: 243: 231: 144:Characteristics 136: 116: 111: 76:Observation data 63: 56: 44: 2474: 2473: 2469: 2468: 2467: 2465: 2464: 2463: 2404: 2403: 2402: 2397: 2379: 2348: 2336:Galaxy clusters 2322: 2306: 2277: 2268:IGR J11014−6103 2221: 2157: 2096: 2044: 2033: 1957: 1841: 1802:63765 (Tapecue) 1783: 1620: 1397: 1358:β (Miaplacidus) 1330: 1312: 1307: 1277: 1276: 1228: 1227: 1223: 1213: 1211: 1202: 1201: 1197: 1167: 1166: 1157: 1107: 1106: 1099: 1051: 1050: 1039: 990: 989: 985: 934: 933: 918: 892: 891: 887: 855: 854: 847: 795: 794: 783: 761: 760: 751: 703: 702: 687: 682: 649: 646: 641:radial velocity 600: 596: 504: 396:Surface gravity 388: 385: 368: 365: 356: 354: 341: 338: 334:8.4 to 13  304: 284: 282: 281: 279: 240: 211: 206:Radial velocity 131: 114: 109:Right ascension 107: 77: 71: 69: 68: 67: 66: 65: 64: 39: 32: 17: 12: 11: 5: 2472: 2470: 2462: 2461: 2456: 2451: 2446: 2441: 2436: 2431: 2426: 2421: 2416: 2406: 2405: 2399: 2398: 2388: 2385: 2384: 2381: 2380: 2378: 2377: 2372: 2366: 2364: 2354: 2353: 2350: 2349: 2347: 2346: 2344:Bullet Cluster 2340: 2338: 2328: 2327: 2324: 2323: 2321: 2320: 2314: 2312: 2308: 2307: 2305: 2304: 2298: 2296: 2289: 2283: 2282: 2279: 2278: 2276: 2275: 2270: 2265: 2260: 2255: 2250: 2245: 2240: 2235: 2229: 2227: 2223: 2222: 2220: 2219: 2214: 2209: 2204: 2199: 2194: 2189: 2184: 2178: 2176: 2169: 2163: 2162: 2159: 2158: 2156: 2155: 2150: 2145: 2140: 2135: 2130: 2125: 2120: 2115: 2110: 2104: 2102: 2098: 2097: 2095: 2094: 2089: 2084: 2079: 2074: 2069: 2064: 2058: 2056: 2047: 2039: 2038: 2035: 2034: 2032: 2031: 2026: 2021: 2016: 2011: 2006: 2001: 1996: 1991: 1986: 1981: 1975: 1973: 1963: 1962: 1959: 1958: 1956: 1955: 1950: 1945: 1940: 1935: 1930: 1925: 1920: 1915: 1910: 1905: 1900: 1895: 1890: 1885: 1880: 1875: 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supergiant 655:interferometry 647: 644: 544:(l Car), is a 525: 524: 519: 511: 510: 506: 505: 470: 467: 466: 460: 459: 456: 455: 449: 441: 440: 434: 426: 425: 419: 411: 410: 404: 391: 390: 386: 383: 379: 371: 370: 366: 363: 352: 344: 343: 339: 336: 332: 324: 323: 320: 319: 315: 314: 311: 310: 307: 302: 294: 293: 277: 269: 268: 262: 253: 252: 227: 218: 217: 216:+3.3 km/s 214: 209: 201: 200: 197: 196: 190: 189: 184: 178: 177: 174: 167: 166: 163: 156: 155: 152: 146: 145: 141: 140: 137: 128: 127: 124: 118: 117: 115:09 45 14.81122 112: 104: 103: 98: 92: 91: 73: 72: 58: 57: 51: 50: 49: 48: 47: 15: 13: 10: 9: 6: 4: 3: 2: 2471: 2460: 2457: 2455: 2452: 2450: 2447: 2445: 2442: 2440: 2437: 2435: 2432: 2430: 2427: 2425: 2422: 2420: 2417: 2415: 2414:Bayer objects 2412: 2411: 2409: 2396: 2386: 2376: 2373: 2371: 2368: 2367: 2365: 2363: 2359: 2355: 2345: 2342: 2341: 2339: 2337: 2333: 2329: 2319: 2316: 2315: 2313: 2309: 2303: 2300: 2299: 2297: 2293: 2290: 2288: 2284: 2274: 2271: 2269: 2266: 2264: 2261: 2259: 2256: 2254: 2251: 2249: 2246: 2244: 2241: 2239: 2236: 2234: 2233:Carina Nebula 2231: 2230: 2228: 2224: 2218: 2215: 2213: 2210: 2208: 2205: 2203: 2200: 2198: 2195: 2193: 2190: 2188: 2185: 2183: 2180: 2179: 2177: 2173: 2170: 2168: 2164: 2154: 2151: 2149: 2146: 2144: 2141: 2139: 2136: 2134: 2131: 2129: 2126: 2124: 2121: 2119: 2118:Collinder 228 2116: 2114: 2111: 2109: 2106: 2105: 2103: 2099: 2093: 2090: 2088: 2085: 2083: 2080: 2078: 2075: 2073: 2070: 2068: 2065: 2063: 2060: 2059: 2057: 2055: 2051: 2048: 2046: 2040: 2030: 2027: 2025: 2022: 2020: 2017: 2015: 2012: 2010: 2007: 2005: 2002: 2000: 1997: 1995: 1992: 1990: 1987: 1985: 1982: 1980: 1977: 1976: 1974: 1972: 1968: 1964: 1954: 1951: 1949: 1946: 1944: 1941: 1939: 1936: 1934: 1931: 1929: 1926: 1924: 1921: 1919: 1916: 1914: 1911: 1909: 1906: 1904: 1901: 1899: 1896: 1894: 1891: 1889: 1886: 1884: 1881: 1879: 1876: 1874: 1871: 1869: 1866: 1864: 1863:DEN 0817−6155 1861: 1859: 1856: 1854: 1851: 1850: 1848: 1844: 1838: 1835: 1833: 1830: 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1408: 1406: 1404: 1400: 1394: 1391: 1389: 1386: 1384: 1381: 1379: 1378:ι (Aspidiske) 1376: 1374: 1371: 1369: 1366: 1364: 1361: 1359: 1356: 1354: 1351: 1350: 1348: 1346: 1342: 1339: 1337: 1333: 1327: 1324: 1322: 1319: 1318: 1315: 1311: 1304: 1299: 1297: 1292: 1290: 1285: 1284: 1281: 1270: 1266: 1262: 1258: 1254: 1250: 1245: 1240: 1236: 1232: 1225: 1222: 1209: 1208:Hipparcos ESA 1205: 1204:"Light Curve" 1199: 1196: 1191: 1187: 1183: 1179: 1175: 1171: 1164: 1162: 1160: 1156: 1151: 1147: 1142: 1137: 1133: 1129: 1124: 1119: 1115: 1111: 1104: 1102: 1098: 1093: 1089: 1085: 1081: 1077: 1073: 1068: 1063: 1059: 1055: 1048: 1046: 1044: 1042: 1038: 1033: 1029: 1025: 1021: 1017: 1013: 1008: 1003: 999: 995: 987: 984: 979: 975: 970: 965: 961: 957: 952: 947: 943: 939: 931: 929: 927: 925: 923: 921: 917: 912: 908: 904: 900: 896: 889: 886: 880: 875: 871: 867: 863: 859: 852: 850: 846: 841: 837: 832: 827: 823: 819: 814: 809: 805: 801: 800: 792: 790: 788: 786: 782: 777: 773: 769: 765: 758: 756: 754: 750: 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110: 106: 105: 102: 99: 97: 96:Constellation 94: 93: 90: 87: 83: 80: 74: 62: 55: 45: 37: 30: 26: 22: 2153:Westerlund 2 2004:OGLE2-TR-L9b 1999:OGLE-TR-211b 1994:OGLE-TR-182b 1989:OGLE-TR-113b 1984:OGLE-TR-132b 1979:OGLE-TR-111b 1713: 1234: 1230: 1224: 1212:, retrieved 1207: 1198: 1173: 1169: 1113: 1109: 1057: 1053: 1000:(1): 73–81. 997: 993: 986: 941: 937: 898: 894: 888: 861: 857: 803: 797: 767: 763: 709: 705: 663: 652: 627: 619: 578: 541: 537: 536: 514: 495: 3884, 483: 1254, 444: 429: 414: 399: 394: 381:11,482  374: 347: 327: 297: 272: 256: 221: 204: 139:3.35 - 4.06 2375:GRB 080916C 2148:Trumpler 16 2143:Trumpler 15 2138:Trumpler 14 2024:HD 85628 Ab 1908:OGLE2-TR-L9 1903:OGLE-TR-211 1898:OGLE-TR-182 1883:NGC 3603-A1 1873:Innes' star 1858:CPD−57°2874 1353:α (Canopus) 1214:17 February 1176:: 797–806, 864:: 219–284, 616:light curve 566:light-years 451:31.25  431:Metallicity 421:5,091  416:Temperature 172:color index 161:color index 122:Declination 2408:Categories 2370:GRB 000131 2243:G290.1-0.8 2113:Carina OB2 2108:Carina OB1 2019:HD 65216 c 2014:HD 65216 b 1971:Exoplanets 1893:NGC 3603-C 1888:NGC 3603-B 1868:1E 1048-59 1853:AWI0005x3s 951:1604.03128 770:: B/gcvs. 680:References 593:supergiant 479:−61°2349, 436:0.30  398:(log  376:Luminosity 194:Astrometry 42:ℓ Carinae 2133:Platais 8 1363:ε (Avior) 1244:0908.3561 1123:0812.4791 1067:0902.1588 1007:0709.3255 978:118642210 840:118629873 813:1007.4883 719:0708.1752 674:blue loop 621:Hipparcos 589:evolution 542:l Carinae 406:1.5  135: (V) 36:ι Carinae 2395:Category 2287:Galaxies 2248:Hen 2-47 2045:clusters 1779:4325 (z) 1774:4257 (u) 1759:4177 (t) 1754:4164 (t) 1749:4159 (r) 1739:4138 (K) 1734:4114 (s) 1729:4102 (I) 1724:4089 (L) 1719:4025 (M) 1714:3884 (l) 1709:3856 (m) 1704:3825 (h) 1699:3821 (H) 1694:3728 (k) 1689:3696 (g) 1684:3663 (i) 1679:3643 (G) 1674:3598 (b) 1669:3571 (c) 1664:3415 (e) 1659:3414 (e) 1654:3260 (C) 1649:3220 (B) 1644:3159 (D) 1639:2934 (Q) 1634:2435 (N) 1571:V533 (y) 1561:V520 (w) 1551:V448 (O) 1546:V415 (A) 1541:V399 (P) 1536:V382 (x) 1531:V376 (b) 1521:V371 (z) 1516:V357 (a) 1511:V345 (E) 1506:V344 (f) 1501:V343 (d) 1491:V337 (q) 1403:Variable 1269:18283579 1150:16697473 1092:14541935 1032:17687829 944:(1): 1, 744:18759600 672:after a 648:☉ 581:spectrum 562:parallax 538:HD 84810 387:☉ 367:☉ 340:☉ 301: (M 274:Distance 258:Parallax 29:HD 79447 25:HD 90589 21:HD 90264 2263:IC 2448 2258:IC 2220 2167:Nebulae 2128:IC 2714 2123:IC 2602 1913:Sher 25 1878:LHS 288 1249:Bibcode 1178:Bibcode 1128:Bibcode 1072:Bibcode 1012:Bibcode 956:Bibcode 907:Bibcode 866:Bibcode 818:Bibcode 772:Bibcode 724:Bibcode 630:Cepheid 572:) from 570:parsecs 318:Details 89:J2000.0 86:Equinox 82:J2000.0 2273:RCW 49 1953:WR 42e 1948:WR 31a 1943:WR 30a 1923:WR 21a 1918:WR 20a 1481:PP (p) 1267:  1148:  1090:  1030:  976:  905:: 57, 838:  742:  607:star. 556:. Its 554:Carina 516:SIMBAD 361:  349:Radius 289:  176:+1.03 165:+0.76 101:Carina 2311:Other 2226:Other 2101:Other 1938:WR 25 1933:WR 24 1928:WR 22 1846:Other 1837:97950 1832:95086 1827:93403 1822:93250 1817:93129 1812:85628 1807:65216 1797:53143 1345:Bayer 1336:Stars 1265:S2CID 1239:arXiv 1210:, ESA 1146:S2CID 1118:arXiv 1088:S2CID 1062:arXiv 1028:S2CID 1002:arXiv 974:S2CID 946:arXiv 836:S2CID 808:arXiv 740:S2CID 714:arXiv 603:as a 574:Earth 568:(490 473:2MASS 309:−5.22 242:Dec.: 79:Epoch 2302:3059 2217:3586 2212:3584 2207:3582 2202:3581 2197:3579 2192:3576 2187:3199 2182:2867 2092:3603 2087:3532 2082:3324 2077:3293 2072:3114 2067:2808 2062:2516 2043:Star 1769:4222 1764:4205 1744:4142 1616:V906 1611:V817 1606:V816 1601:V759 1596:V752 1591:V742 1586:V640 1581:V602 1576:V560 1566:V528 1556:V518 1526:V372 1496:V341 1216:2022 624:data 546:star 522:data 497:IRAS 329:Mass 170:B−V 159:U−B 2295:NGC 2175:NGC 2054:NGC 1257:doi 1235:504 1186:doi 1174:232 1136:doi 1114:394 1080:doi 1058:498 1020:doi 998:476 964:doi 942:824 874:doi 826:doi 804:410 732:doi 710:474 552:of 501:SAO 489:HIP 481:FK5 453:Myr 446:Age 438:dex 408:cgs 355:169 285:−45 283:+55 280:498 266:mas 260:(π) 246:mas 234:mas 230:RA: 225:(μ) 2410:: 1789:HD 1626:HR 1486:QZ 1476:OY 1471:IX 1466:HR 1461:GG 1456:EV 1451:CK 1446:BO 1441:AG 1436:RT 1263:, 1255:, 1247:, 1233:, 1206:, 1184:, 1172:, 1158:^ 1144:, 1134:, 1126:, 1112:, 1100:^ 1086:, 1078:, 1070:, 1056:, 1040:^ 1026:. 1018:. 1010:. 996:. 972:, 962:, 954:, 940:, 919:^ 899:30 897:, 872:, 862:29 860:, 848:^ 834:, 824:, 816:, 802:, 784:^ 766:. 752:^ 738:, 730:, 722:, 708:, 688:^ 676:. 659:AU 614:A 576:. 493:HR 485:HD 477:CD 291:pc 250:yr 238:yr 208:(R 1431:Y 1426:U 1416:S 1411:R 1393:ω 1388:χ 1383:υ 1373:θ 1368:η 1302:e 1295:t 1288:v 1271:. 1259:: 1251:: 1241:: 1218:. 1192:. 1188:: 1180:: 1152:. 1138:: 1130:: 1120:: 1094:. 1082:: 1074:: 1064:: 1034:. 1022:: 1014:: 1004:: 980:. 966:: 958:: 948:: 913:. 909:: 882:. 876:: 868:: 842:. 828:: 820:: 810:: 778:. 774:: 768:1 746:. 734:: 726:: 716:: 645:R 423:K 402:) 400:g 384:L 364:R 359:8 357:± 337:M 305:) 303:V 248:/ 236:/ 212:) 210:v 38:. 31:.

Index

HD 90264
HD 90589
HD 79447
ι Carinae


Epoch
J2000.0
Equinox
J2000.0
Constellation
Carina
Right ascension
Declination
Apparent magnitude
Spectral type
color index
color index
Variable type
Classical Cepheid
Astrometry
Radial velocity
Proper motion
mas
yr
mas
yr
Parallax
mas
Distance

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