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NGC 91

From Wikipedia, the free encyclopedia

Star in the constellation Andromeda

NGC 91
Observation data Epoch J2000 Equinox J2000
Location of NGC 91 (circled, south is up)
Constellation	Andromeda
Right ascension	00^h 21^m 51.633^s^[1]
Declination	+22° 22′ 05.52″^[1]
Apparent magnitude (V)	14.4^[2]
Astrometry

Parallax (π)	0.4985±0.0399 mas^[3]
Distance	6,500 ± 500 ly (2,000 ± 200 pc)

Other designations
2MASS J00215163+2222055^[4]
Database references
SIMBAD	data

NGC 91 (PGC 3325956, GC 41, GC 5097, or NPD 68 22.9) is astar with anapparent magnitude of 14.4 in theconstellation ofAndromeda. Thestar is southwest of thegalaxy NGC 90. Discovered in 1866 byHerman Schultz, there have been many arguments if this star exists or not. However, people have observed thestar, and have confirmed thatNGC 91 exists.^[2]

References

[edit]

^^a ^bCutri, Roc M.; Skrutskie, Michael F.; Van Dyk, Schuyler D.; Beichman, Charles A.; Carpenter, John M.; Chester, Thomas; Cambresy, Laurent; Evans, Tracey E.; Fowler, John W.; Gizis, John E.; Howard, Elizabeth V.; Huchra, John P.; Jarrett, Thomas H.; Kopan, Eugene L.; Kirkpatrick, J. Davy; Light, Robert M.; Marsh, Kenneth A.; McCallon, Howard L.; Schneider, Stephen E.; Stiening, Rae; Sykes, Matthew J.; Weinberg, Martin D.; Wheaton, William A.; Wheelock, Sherry L.; Zacarias, N. (2003)."VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)".CDS/ADC Collection of Electronic Catalogues.2246: II/246.Bibcode:2003yCat.2246....0C.
^^a ^bSeligman, Courtney."Celestial Atlas NGC Objects: NGC 91".Celestial Atlas. Retrieved23 May 2015.
^Brown, A. G. A.; et al. (Gaia collaboration) (August 2018)."Gaia Data Release 2: Summary of the contents and survey properties".Astronomy & Astrophysics.616. A1.arXiv:1804.09365.Bibcode:2018A&A...616A...1G.doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source atVizieR.
^"2MASS J00215163+2222055".SIMBAD.Centre de données astronomiques de Strasbourg. Retrieved14 May 2017.

External links

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Media related toNGC 91 at Wikimedia Commons

v t e Astronomical catalogs
NGC	NGC 86 NGC 87 NGC 88 NGC 89 NGC 90 NGC 91 NGC 92 NGC 93 NGC 94 NGC 95 NGC 96

v t e New General Catalogue1 to 1000
1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 555 559 560 561 568 570 575 578 581 584 585 588 592 595 596 598 600 602 603 604 605 606 607 608 610 611 612 613 615 616 620 622 623 624 625 626 628 629 630 633 634 635 636 637 638 643 644 645 646 650 651 654 655 656 657 659 660 662 663 664 665 668 669 670 672 673 676 677 679 680 681 682 684 685 687 688 690 691 694 695 700 701 703 704 705 706 708 709 710 712 713 714 716 717 719 720 721 725 728 730 731 732 733 734 735 736 737 739 740 741 747 750 751 752 753 755 757 759 760 763 764 765 766 767 768 769 770 771 772 774 777 779 781 782 784 785 788 790 793 800 801 802 803 804 805 806 807 810 811 812 813 814 817 819 820 821 822 823 824 825 828 830 833 834 838 839 840 843 846 847 850 852 855 860 861 862 863 864 866 869 871 874 877 880 884 885 890 891 895 896 900 901 902 903 904 905 906 908 910 911 912 913 918 920 922 925 930 931 935 936 937 938 939 940 941 945 948 950 952 953 956 957 958 959 960 965 966 970 971 972 973 979 980 985 986 988 990 991 992 995 996 997 998 999 1000
Astronomical catalog List of NGC objects

Constellation of Andromeda

Stars

Bayer	α (Alpheratz) β (Mirach) γ (Almach) δ ε ζ (Shimu) η θ ι κ λ μ ν ξ (Adhil) ο π ρ σ τ υ (Titawin) φ χ ψ ω A b c
Flamsteed	2 3 4 5 6 7 8 9 10 11 12 13 14 (Veritate) 15 18 22 23 26 28 32 36 39 41 44 45 47 51 (Nembus) 55 56 58 59 63 64 65 66 6 Per
Variable	R T U W Z RT RV RX SU SW TU TW WZ XZ AB AC AD AE AF AR BM BX CC CG CN DS DX EG ET EU FF GO GP GQ GX GR GY HH HN IW KK KX KZ LL LN LP LQ OP OS OU PX PY QR QV QX V385 V428 V439 V455 V529 V807
HR	1 40 56 78 104 122 134 178 275 282 283 289 379 410 483 687 746 748 8884 8925 8950 8962 8973 9011 9074 9075 9105
HD	16175 (Buna) 222155
Other	3XMM J004232.1+411314 ADS 48 HAT-P-6 (Sterrennacht) HAT-P-16 HAT-P-19 HAT-P-28 M31-RV KELT-1 NGC 82 NGC 84 NGC 91 NGC 162 NGC 464 Qatar-3 Qatar-4 Qatar-5 PA-99-N2 WASP-1 WISE 0146+4234 WISE J0005+3737 WISE J004945.61+215120.0

Exoplanets	14 Andromedae b κ Andromedae b υ Andromedae b c d Gliese 15 Ab c HD 13931 b HD 16175 b HAT-P-6b HAT-P-32b WASP-1b WASP-33b Qatar-4b Qatar-5b

Star
clusters

NGC	206 272 752 956 7686
Other	Mayall II RBC EXT8

Nebulae

NGC	7662

Galaxies

Messier	32 110
NGC	11 13 19 21 27 39 43 48 49 51 67 68 69 70 71 72 74 76 79 80 81 83 85 86 90 93 94 96 97 108 109 112 140 149 160 169 181 183 184 214 218 226 228 229 233 243 252 258 260 262 280 304 317 389 393 404 425 431 477 512 513 523 528 531 536 542 561 605 620 668 679 687 700 703 704 705 708 709 710 712 714 717 721 732 753 759 801 812 834 891 906 910 911 912 913 920 937 980 995 996 999 1000 7640 7836
Numbered	I II III IV V VIII IX X XI XVIII XIX XXI
Other	3C 66A 3C 66B Andromeda Galaxy Arp 273 Donatiello I IC 239 UGC 1840

Galaxy clusters	Abell 262 NGC 68 group

Astronomical events	GRB 101225A SN 1885A (S)