111:
948:
968:
882:
35:
958:
98:
the high-redshift universe (as high redshift radio galaxies—which also have extended Lyman-alpha halos—do, for example), nor which mechanism produces the Lyman-alpha emission line, or how the LABs are connected to the surrounding galaxies. Lyman-alpha blobs may hold valuable clues to determine how galaxies are formed.
97:
extended the search for LABs and found over 30 new LABs in the original field of
Steidel et al., although they were all smaller than the originals. These LABs form a structure which is more than 200 million light-years in extent. It is currently unknown whether LABs trace overdensities of galaxies in
20:
101:
The most massive Lyman-alpha blobs have been discovered by
Tristan Friedrich et al. (2021), Steidel et al. (2000), Francis et al. (2001), Matsuda et al. (2004), Dey et al. (2005), Nilsson et al. (2006), and Smith & Jarvis et al. (2007).
25:
24:
21:
26:
23:
525:
1008:
94:
22:
998:
466:
624:
464:
Nilsson; et al. (2006). "A Lyman-alpha blob in the GOODS South field: evidence for cold accretion onto a dark matter halo".
154:
909:
299:
Francis; et al. (2001). "A Pair of
Compact Red Galaxies at Redshift 2.38, Immersed in a 100 kpc Scale Ly-alpha Nebula".
197:
354:
Matsuda; et al. (2004). "A Subaru Search for Ly-alpha Blobs in and around the Proto-cluster Region at
Redshift z=3.1".
772:
1003:
708:
726:
993:
915:
409:
Dey; et al. (2005). "Discovery of a Large ~200 kpc
Gaseous Nebula at z=2.7 with the Spitzer Space Telescope".
222:
Steidel, C. C.; Adelberger, K. L.; Shapley, A. E. (2000). "Lyα Imaging of a Proto–Cluster Region at ⟨ z ⟩ = 3.09".
903:
411:
301:
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131:
356:
119:
898:
893:
762:
757:
752:
716:
694:
617:
224:
89:
The most famous Lyman-alpha blobs were discovered in 2000 by
Steidel et al. Matsuda et al., using the
967:
141:
544:
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430:
375:
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277:
243:
115:
42:(left) and an artist's impression of what it might look like if viewed from relatively close (right).
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420:
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39:
86:, the Lyman-alpha photons must be redshifted in order to be transmitted through the atmosphere.
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280:(Press release). Subaru Telescope, National Astronomical Observatory of Japan. 26 July 2006
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672:
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497:
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647:
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34:
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153:, hyperluminous quasar powering a Lyman-alpha blob; also possesses one of the
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47:
580:
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480:
425:
370:
315:
238:
71:
63:
114:
Composite of two different images taken with the FORS instrument on the
150:
633:
521:"Evidence for Cold Accretion onto a Massive Galaxy at High Redshift?"
83:
442:
387:
332:
255:
109:
33:
18:
62:. LABs are some of the largest known individual objects in the
606:
123:
602:
278:"Giant gas clouds illuminate universe's largest structure"
526:
Monthly
Notices of the Royal Astronomical Society Letters
66:. Some of these gaseous structures are more than 400,000
118:
of the Lyman-alpha blob LAB-1 in the constellation of
70:
across. So far they have only been found in the high-
925:
879:
863:
842:
804:
771:
740:
707:
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58:) is a huge concentration of a gas emitting the
78:nature of the Lyman-alpha emission line. Since
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8:
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95:National Astronomical Observatory of Japan
556:
538:
479:
424:
369:
314:
237:
217:
215:
213:
209:
82:is very effective at filtering out UV
7:
957:
581:"Giant Space Blob Glows from Within"
1009:Large-scale structure of the cosmos
467:Astronomy and Astrophysics Letters
14:
966:
956:
947:
946:
880:
558:10.1111/j.1745-3933.2007.00318.x
30:Animation of a Lyman-alpha blob.
198:Newfound Blob (disambiguation)
1:
727:Evaporating gaseous globule
519:Smith; et al. (2007).
498:10.1051/0004-6361:200600025
38:The giant Lyman-alpha blob
1025:
999:Astronomical spectroscopy
941:
412:The Astrophysical Journal
302:The Astrophysical Journal
168:Damped Lyman-alpha system
60:Lyman-alpha emission line
357:The Astronomical Journal
155:most massive black holes
74:universe because of the
16:Astronomical object type
490:2006A&A...452L..23N
763:Integrated Flux Nebula
127:
43:
31:
753:Protoplanetary nebula
717:Giant molecular cloud
695:Protoplanetary nebula
225:Astrophysical Journal
113:
37:
29:
773:Post-stellar nebulae
116:Very Large Telescope
1004:Intergalactic media
864:Intergalactic blobs
829:High-velocity cloud
709:Pre-stellar nebulae
549:2007MNRAS.378L..49S
435:2005ApJ...629..654D
380:2004AJ....128..569M
325:2001ApJ...554.1001F
248:2000ApJ...532..170S
188:Lyman-alpha emitter
142:EQ J221734.0+001701
916:Supernova remnants
812:Interstellar cloud
791:Pulsar wind nebula
193:Lyman break galaxy
183:Lyman-alpha forest
146:SSA22 Protocluster
128:
80:Earth's atmosphere
44:
32:
994:Lyman-alpha blobs
981:
980:
786:Supernova remnant
758:Wolf–Rayet nebula
685:Reflection nebula
668:Supernova remnant
585:ESO Press Release
178:Green bean galaxy
27:
1016:
970:
960:
959:
950:
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884:
883:
871:Lyman-alpha blob
781:Planetary nebula
663:Planetary nebula
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587:. 17 August 2011
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540:astro-ph/0703522
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481:astro-ph/0512396
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426:astro-ph/0503632
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371:astro-ph/0405221
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316:astro-ph/0102263
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91:Subaru Telescope
52:Lyman-alpha blob
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899:Largest Nebulae
875:
859:
855:Pinwheel nebula
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822:Infrared cirrus
817:Molecular cloud
800:
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690:Variable nebula
658:Emission nebula
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173:Galaxy filament
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910:Protoplanetary
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850:Bipolar nebula
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741:Stellar nebula
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653:Diffuse nebula
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641:Visible nebula
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572:
533:(1): L49–L53.
511:
474:(3): L23–L26.
456:
443:10.1086/430775
419:(2): 654–666.
401:
388:10.1086/422020
364:(2): 569–584.
346:
333:10.1086/321417
291:
269:
256:10.1086/308568
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933:Cometary knot
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232:(1): 170–82.
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36:
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748:Nova remnant
732:Solar nebula
673:Nova remnant
589:. Retrieved
584:
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530:
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416:
410:
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361:
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306:
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282:. Retrieved
272:
229:
223:
145:
100:
88:
55:
51:
45:
722:Bok globule
678:H II region
648:Dark nebula
309:(2): 1001.
76:ultraviolet
68:light years
988:Categories
972:Wiktionary
843:Morphology
834:H I region
796:Supershell
126:/M. Hayes.
904:Planetary
591:18 August
341:119507680
122:. Credit
48:astronomy
952:Category
506:14837456
451:16902543
396:11242891
264:10353723
162:See also
120:Aquarius
106:Examples
72:redshift
64:Universe
962:Commons
926:Related
894:Diffuse
634:Nebulae
567:6656503
545:Bibcode
486:Bibcode
431:Bibcode
376:Bibcode
321:Bibcode
284:3 April
244:Bibcode
151:Ton 618
93:of the
84:photons
918:(SNRs)
912:(PPNe)
805:Clouds
565:
504:
449:
394:
339:
262:
157:known.
144:, the
132:Himiko
906:(PNe)
886:Lists
563:S2CID
535:arXiv
502:S2CID
476:arXiv
447:S2CID
421:arXiv
392:S2CID
366:arXiv
337:S2CID
311:arXiv
260:S2CID
234:arXiv
204:Notes
137:LAB-1
40:LAB-1
593:2011
286:2019
50:, a
553:doi
531:378
494:doi
472:452
439:doi
417:629
384:doi
362:128
329:doi
307:554
252:doi
230:532
124:ESO
56:LAB
46:In
990::
583:.
561:.
551:.
543:.
529:.
523:.
500:.
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470:.
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437:.
429:.
415:.
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382:.
374:.
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335:.
327:.
319:.
305:.
258:.
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242:.
228:.
212:^
626:e
619:t
612:v
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508:.
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54:(
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
