263:
275:
287:
45:
371:
Herschel field of view breaks up the clouds into numerous filaments, mostly in and around the
Westerhout 40 region. A number of possible "starless cores"—over-dense clumps of gas that may gravitationally collapse to form new stars—are also noted in this region, mostly studded along the molecular filaments.
370:
has made a map of this region of the sky in mid- and far-infrared wavelengths. The molecular cloud at these wavelengths is traced by emission from warm dust in the clouds, allowing the structure of the clouds to be probed. Wavelet analysis of the molecular clouds in the approximately 11 square degree
322:
measurements from the VLBA give a distance of 415±15 pc. The similarity in distance is consistent with the idea that these discrete star-forming regions are part of the same star-forming complex. Distances to molecular clouds and star-forming regions in the Milky Way Galaxy have, historically, been
362:
Serpens South is a star cluster embedded in a dense molecular filament containing numerous protostars. Due to the large number of protostars and pre-stellar cores in the region, it is likely that
Serpens South has the most star-formation activity in the Serpens-Aquila Rift. A large scale magnetic
230:
mixed with the gaseous component of the clouds. Therefore, the clouds in the
Serpens-Aquila Rift block light from background stars in the disk of the Galaxy, forming the dark rift. The complex is located in a direction towards the inner Galaxy, where molecular clouds are common, so it is possible
363:
field was discovered in the region which is perpendicular to the main cloud filament, but sub-filaments tend to run parallel to the filament. This magnetic field may be responsible for slowing the gravitational collapse of molecular clumps in the complex.
305:
measurements have been used to determine the distance to some of the stars clusters thought to be related to the
Serpens-Aquila Rift. The distances to both W40 and Serpens-South were measured to be 436±9 pc (1420±30 light-years) using
334:
in front of the
Serpens-Aquila Rift and using statistical models of the distribution of stars in the Galaxy. This method suggests that stars begin to be obscured by the clouds at a distance of 225±55 pc.
323:
difficult to constrain. These VLBA measurements for W40, Serpens-South, and
Serpens Main were among the most-accurate distance measurements for massive star-forming regions in the pre-
549:
Dzib, S.; et al. (2011). "VLBA Determination of the
Distance to Nearby Star-forming Regions. IV. A Preliminary Distance to the Proto-Herbig AeBe Star EC 95 in the Serpens Core".
892:
Gutermuth, R. A.; et al. (2008). "The
Spitzer Gould Belt Survey of Large Nearby Interstellar Clouds: Discovery of a Dense Embedded Cluster in the Serpens-Aquila Rift".
215:
1035:
955:
1319:
André, Ph.; et al. (2010). "From filamentary clouds to prestellar cores to the stellar IMF: Initial highlights from the
Herschel Gould Belt Survey".
863:
754:
Kuhn, M. A.; Getman, K. V.; Feigelson, E. D. (2015). "The
Spatial Structure of Young Stellar Clusters. II. Total Young Stellar Populations".
677:
1213:
Sugitani, K.; et al. (2011). "Near-infrared-imaging Polarimetry Toward Serpens South: Revealing the Importance of the Magnetic Field".
1372:
Men'schikov, A.; et al. (2010). "Filamentary structures and compact objects in the Aquila and Polaris clouds observed by Herschel".
266:
Map of the star local neighborhood within 1,000 pc (3,300 ly), the Sun is at the center. The Serpens–Aquila Rift is at 40°
1102:
Shuping, R. Y.; et al. (2012). "Spectral Classification of the Brightest Objects in the Galactic Star-forming Region W40".
1515:
1489:
810:
Winston, E.; et al. (2007). "A Combined Spitzer and Chandra Survey of Young Stellar Objects in the Serpens Cloud Core".
351:
IRS 1A South. Serpens Main is another young cluster in which over 100 young stars have been discovered. Observations by the
1160:
Maury, A. J.; et al. (2011). "The formation of active protoclusters in the Aquila rift: a millimeter continuum view".
379:
provide confirmation for 46 of the starless-cores and Class 0/I protostars in the Westerhout 40 and Serpens south regions.
1525:
343:
In the Serpens-Aquila Rift, the largest cluster of young stars is in the W40 nebula, which contains approximately 500
344:
422:
393:
367:
1530:
158:
274:
945:
311:
1266:
Tanaka, T.; et al. (2011). "The Dynamical State of the Serpens South Filamentary Infrared Dark Cloud".
399:
352:
262:
412:
191:
175:
122:
50:
448:"The Gould's Belt Distances Survey (GOBELINS) III. The distance to the Serpens/Aquila Molecular Complex"
231:
that not all components of the rift are at the same distance and physically associated with each other.
206:, looking inwards and towards its other radial sectors. The clouds that form this structure are called "
1025:
1444:
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911:
829:
773:
715:
665:
626:
568:
521:
469:
417:
49:
In this image of the Milky Way, the Aquila Rift is the dark patch right of center. It is part of the
607:
Kuhn, M. A.; et al. (2010). "A Chandra Observation of the Obscured Star-forming Complex W40".
278:
The Milky Way as seen by Gaia, with prominent dark features labeled in white, as well as prominent
211:
660:
Prato, L.; et al. (2008). "Where are all the Young Stars in Aquila?". In Reipurth, B. (ed.).
286:
243:
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1222:
1195:
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1137:
1111:
1084:
1058:
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Straižys, V.; et al. (2003). "Interstellar extinction in the direction of the Aquila Rift".
1007:
981:
927:
901:
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819:
789:
763:
731:
705:
642:
616:
584:
558:
487:
459:
376:
267:
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Könyves, V.; et al. (2010). "The Aquila prestellar core population revealed by Herschel".
972:
Bontemps, V.; et al. (2010). "The Herschel⋆ first look at protostars in the Aquila rift".
1485:
673:
388:
324:
223:
60:
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1452:
1448:
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1346:
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999:
995:
919:
837:
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477:
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372:
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have been identified by millimeter radio observations of Westerhout 40 and Serpens South.
315:
67:
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1236:
1125:
915:
833:
777:
719:
669:
630:
572:
525:
473:
662:
Handbook of Star Forming Regions, Volume I: The Northern Sky ASP Monograph Publications
638:
295:
235:
199:
110:
1133:
580:
482:
447:
355:
revealed the Serpens south stellar nursery within a dense molecular filament. Class 0
1504:
1297:
1244:
1199:
1141:
849:
793:
785:
646:
247:
239:
179:
117:
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1252:
1088:
735:
491:
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1011:
588:
17:
1456:
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1350:
1191:
1003:
931:
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1080:
348:
227:
195:
187:
77:
36:
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are projected in (or near) the direction of the Serpens-Aquila Rift, including
53:
which can be seen bisecting the swath of star light seen in the galactic plane.
727:
331:
307:
291:
279:
94:
534:
509:
387:
The Aquila Rift was featured in the short story "Beyond the Aquila Rift" by
356:
203:
183:
130:
44:
510:"Interstellar extinction in the area of the Serpens Cauda molecular cloud"
1063:
319:
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126:
1030:
950:
397:. The short story was adapted into a short film as part of Netflix's
98:
923:
841:
768:
464:
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1174:
1116:
986:
906:
824:
710:
621:
563:
285:
273:
664:. Vol. 4. Astronomical Society of the Pacific. p. 18.
310:
measurements of several cluster members observed with the
696:
Loinard, L. (2013). "The Gould's Belt Distances Survey".
226:
part of the spectrum due to the presence of interstellar
330:
An earlier distance estimate to the cloud was found by
698:
Proceedings of the International Astronomical Union
148:
140:
136:
116:
105:
89:
76:
66:
58:
35:
270:, from the center moving outwards to top-right.
174:) is a region of the sky in the constellations
887:
885:
883:
27:Sky region containing dark interstellar clouds
1036:Centre de données astronomiques de Strasbourg
967:
965:
956:Centre de données astronomiques de Strasbourg
441:
439:
437:
8:
503:
501:
30:
805:
803:
691:
689:
222:). These clouds are opaque to light in the
1481:Constellations: The Best of New British SF
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1153:
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43:
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1385:
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1115:
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481:
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749:
747:
745:
602:
600:
598:
261:
446:Ortiz-León, G. N.; et al. (2016).
433:
318:sources the Serpens Main star cluster,
391:in the 2005 science-fiction anthology
29:
7:
218:, particularly molecular hydrogen (H
298:, with the Aquila Rift on the right
214:which is cold and dense enough for
508:Straižys, V.; et al. (1996).
25:
198:that obscures the middle of the
97: (225–500
210:", constituting a phase of the
190:. The region forms part of the
403:compilation released in 2019.
1:
1478:Crowther, Peter, ed. (2005).
1427:Astronomy & Astrophysics
1374:Astronomy & Astrophysics
1321:Astronomy & Astrophysics
1162:Astronomy & Astrophysics
1051:Astronomy & Astrophysics
974:Astronomy & Astrophysics
946:"NAME Serpens G3-G6 Cluster"
639:10.1088/0004-637X/725/2/2485
332:counting the number of stars
1457:10.1051/0004-6361/201014689
1404:10.1051/0004-6361/201014668
1351:10.1051/0004-6361/201014666
1192:10.1051/0004-6361/201117132
1134:10.1088/0004-6256/144/4/116
1004:10.1051/0004-6361/201014661
581:10.1088/0004-637X/718/2/610
483:10.3847/1538-4357/834/2/143
194:, the nearby dark cloud of
1547:
1298:10.1088/0004-637X/778/1/34
1245:10.1088/0004-637X/734/1/63
1081:10.1051/0004-6361:20030599
786:10.1088/0004-637X/802/1/60
423:Rho Ophiuchi cloud complex
368:Herschel Space Observatory
59:Observation data: J2000.0
728:10.1017/S1743921312021072
290:Main dark nebulae of the
156:
42:
400:Love, Death & Robots
312:Very Long Baseline Array
188:dark interstellar clouds
1449:2010A&A...518L.106K
1396:2010A&A...518L.103M
1343:2010A&A...518L.102A
1184:2011A&A...535A..77M
1073:2003A&A...405..585S
996:2010A&A...518L..85B
535:10.1515/astro-1996-0106
353:Spitzer Space Telescope
345:pre–main-sequence stars
106:Apparent dimensions (V)
1516:Aquila (constellation)
864:"NAME Serpens Cluster"
413:Great Rift (astronomy)
375:observations from the
299:
283:
271:
1484:. Penguin Group USA.
1268:Astrophysical Journal
1215:Astrophysical Journal
894:Astrophysical Journal
868:simbad.cds.unistra.fr
812:Astrophysical Journal
756:Astrophysical Journal
609:Astrophysical Journal
551:Astrophysical Journal
452:Astrophysical Journal
289:
277:
265:
254:, and MWC297/Sh2-62.
1526:Star-forming regions
1104:Astronomical Journal
418:Vela Molecular Ridge
236:star-forming regions
1290:2013ApJ...778...34T
1237:2011ApJ...734...63S
1126:2012AJ....144..116S
916:2008ApJ...673L.151G
834:2007ApJ...669..493W
778:2015ApJ...802...60K
720:2013IAUS..289...36L
670:2008hsf2.book..683R
631:2010ApJ...725.2485K
573:2010ApJ...718..610D
526:1996BaltA...5..125S
474:2017ApJ...834..143O
212:interstellar medium
170:(also known as the
168:Serpens–Aquila Rift
32:
31:Serpens-Aquila Rift
18:Serpens-Aquila Rift
1026:"LBN 026.83+03.54"
377:IRAM 30m telescope
300:
284:
272:
268:galactic longitude
679:978-1-58381-670-7
389:Alastair Reynolds
282:labeled in black.
216:molecules to form
164:
163:
16:(Redirected from
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1531:Molecular clouds
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1064:astro-ph/0303099
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1040:
1039:
1022:
1016:
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969:
960:
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942:
936:
935:
909:
900:(2): L151–L154.
889:
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797:
771:
751:
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624:
615:(2): 2485–2506.
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514:Baltic Astronomy
505:
496:
495:
485:
467:
443:
347:and the massive
208:molecular clouds
159:Lists of nebulae
141:Notable features
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47:
33:
21:
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244:Serpens Cluster
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68:Right ascension
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1057:(2): 585–590.
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924:10.1086/528710
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842:10.1086/521384
818:(1): 493–518.
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557:(2): 610–619.
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520:(1): 125–147.
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394:Constellations
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339:Star formation
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296:galactic plane
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200:galactic plane
182:, and eastern
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248:Serpens South
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240:Westerhout 40
237:
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180:Serpens Cauda
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118:Constellation
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1097:
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977:
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897:
893:
871:. Retrieved
867:
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661:
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612:
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554:
550:
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517:
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451:
398:
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386:
365:
361:
342:
329:
314:(VLBA). For
301:
294:half of the
250:, Serpens NH
233:
171:
167:
165:
149:Designations
349:O-type star
308:astrometric
280:star clouds
228:dust grains
196:cosmic dust
186:containing
172:Aquila Rift
152:Aquila Rift
78:Declination
37:Dark nebula
1505:Categories
1491:0756402344
1110:(4): 116.
873:2023-09-07
769:1501.05300
465:1610.03128
458:(2): 143.
429:References
383:In culture
373:Millimeter
357:protostars
292:Solar apex
192:Great Rift
157:See also:
51:Great Rift
1521:Ophiuchus
1440:1005.2981
1387:1005.3115
1334:1005.2618
1281:1309.2425
1274:(1): 34.
1228:1104.2977
1221:(1): 63.
1200:119285813
1175:1108.0668
1142:119227485
1117:1208.4648
987:1005.2634
907:0712.3303
850:119583712
825:0707.2537
794:119309858
762:(1): 60.
711:1211.1742
704:: 36–43.
647:119192761
622:1010.5434
564:1003.5900
204:Milky Way
184:Ophiuchus
131:Ophiuchus
1465:15342916
1433:: L106.
1380:: L103.
1327:: L102.
1306:26754683
1253:15747129
1089:16373936
736:59430766
492:10802135
407:See also
320:parallax
303:Parallax
258:Distance
234:Several
90:Distance
1511:Serpens
1445:Bibcode
1412:8496522
1392:Bibcode
1339:Bibcode
1286:Bibcode
1233:Bibcode
1180:Bibcode
1122:Bibcode
1069:Bibcode
1012:6687821
992:Bibcode
980:: L85.
912:Bibcode
830:Bibcode
774:Bibcode
716:Bibcode
666:Bibcode
627:Bibcode
589:1444233
569:Bibcode
522:Bibcode
470:Bibcode
242:(W40),
224:optical
202:of the
127:Serpens
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1463:
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1357:
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123:Aquila
1461:S2CID
1435:arXiv
1408:S2CID
1382:arXiv
1355:S2CID
1329:arXiv
1302:S2CID
1276:arXiv
1249:S2CID
1223:arXiv
1196:S2CID
1170:arXiv
1138:S2CID
1112:arXiv
1085:S2CID
1059:arXiv
1008:S2CID
982:arXiv
928:S2CID
902:arXiv
846:S2CID
820:arXiv
790:S2CID
764:arXiv
732:S2CID
706:arXiv
643:S2CID
617:arXiv
585:S2CID
559:arXiv
488:S2CID
460:arXiv
327:era.
316:radio
72:19 07
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1486:ISBN
674:ISBN
366:The
325:Gaia
166:The
1453:doi
1431:518
1400:doi
1378:518
1347:doi
1325:518
1294:doi
1272:778
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1108:144
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1055:405
1000:doi
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