Sh 2-54
Nebula in the constellation Serpens
Emission nebula | |
---|---|
H II region | |
Sh 2-54 nebula surrounding the star cluster NGC 6604 | |
Observation data: J2000 epoch | |
Right ascension | 18h 17m 53s[1] |
Declination | −11° 40′ 58″[1] |
Distance | 6,200[2] ly |
Apparent dimensions (V) | 140 arcmins[3] |
Constellation | Serpens |
Physical characteristics | |
Radius | 126.25 ly |
Designations | RCW 167, Gum 84/85, W35, LBN 72[1] |
See also: Lists of nebulae |
Sh 2-54 is an extended bright nebula in the constellation of Serpens.[1]
In its core there are many protostars and many infrared sources; some of these sources, like IRAS 18151−1208, are most probably very young high-mass stars.[4] The older star population in this region has an average age of 4–5 million years, and its components are grouped in the open cluster NGC 6604.[2]
Sh 2-54 belongs to an extended nebulosity that includes also the Eagle Nebula and the Omega Nebula.[5] The young high-mass stars of this region constitute the Serpens OB1 and Serpens OB2 OB association.[2]
Gallery
- Serpent's Nebula[6]
See also
References
- ^ a b c d "SH 2-54". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2011-06-05.
- ^ a b c Reipurth, B. (December 2008). "The Young Cluster NGC 6604 and the Serpens OB2 Association". Handbook of Star Forming Regions, Volume II: The Southern Sky. 5: 590. Bibcode:2008hsf2.book..590R.
- ^ Sharpless, Stewart (December 1959). "A Catalogue of H II Regions". Astrophysical Journal Supplement. 4: 257. Bibcode:1959ApJS....4..257S. doi:10.1086/190049.
- ^ Davis, C. J.; Varricatt, W. P.; Todd, S. P.; Ramsay Howat, S. K. (October 2004). "Collimated molecular jets from high-mass young stars: IRAS 18151-1208". Astronomy and Astrophysics. 425 (3): 981–995. Bibcode:2004A&A...425..981D. doi:10.1051/0004-6361:20041298.
- ^ Sofue, Y.; Handa, T.; Fuerst, E.; Reich, W.; et al. (1986). "Giant stellar-wind shell associated with the H II region M16". Publications of the Astronomical Society of Japan. 38: 347–360. Bibcode:1986PASJ...38..347S.
- ^ "Serpent's Nebula". noirlab.edu/public/. Retrieved 3 February 2021.
External links
Wikimedia Commons has media related to Sh2-54.
- Sky-Map.org – Sharpless Catalogue (from 51 to 60) Archived 2011-09-30 at the Wayback Machine
- Star Formation Region Avedisova 277 – Galaxy Map
- v
- t
- e
- Sh 2-1
- Sh 2-2
- Sh 2-3
- Sh 2-4
- Sh 2-5
- Sh 2-6
- Sh 2-7
- Sh 2-8
- Sh 2-9
- Sh 2-10
- Sh 2-11
- Sh 2-12
- Sh 2-13
- Sh 2-14
- Sh 2-15
- Sh 2-16
- Sh 2-17
- Sh 2-18
- Sh 2-19
- Sh 2-20
- Sh 2-21
- Sh 2-22
- Sh 2-23
- Sh 2-24
- Sh 2-25
- Sh 2-26
- Sh 2-27
- Sh 2-28
- Sh 2-29
- Sh 2-30
- Sh 2-31
- Sh 2-32
- Sh 2-33
- Sh 2-34
- Sh 2-35
- Sh 2-36
- Sh 2-37
- Sh 2-38
- Sh 2-39
- Sh 2-40
- Sh 2-41
- Sh 2-42
- Sh 2-43
- Sh 2-44
- Sh 2-45
- Sh 2-46
- Sh 2-47
- Sh 2-48
- Sh 2-49
- Sh 2-50
- Sh 2-51
- Sh 2-52
- Sh 2-53
- Sh 2-54
- Sh 2-55
- Sh 2-56
- Sh 2-57
- Sh 2-58
- Sh 2-59
- Sh 2-60
- Sh 2-61
- Sh 2-62
- Sh 2-63
- Sh 2-64
- Sh 2-65
- Sh 2-66
- Sh 2-67
- Sh 2-68
- Sh 2-69
- Sh 2-70
- Sh 2-71
- Sh 2-72
- Sh 2-73
- Sh 2-74
- Sh 2-75
- Sh 2-76
- Sh 2-77
- Sh 2-78
- Sh 2-79
- Sh 2-80
- Sh 2-81
- Sh 2-82
- Sh 2-83
- Sh 2-84
- Sh 2-85
- Sh 2-86
- Sh 2-87
- Sh 2-88
- Sh 2-89
- Sh 2-90
- Sh 2-91
- Sh 2-92
- Sh 2-93
- Sh 2-94
- Sh 2-95
- Sh 2-96
- Sh 2-97
- Sh 2-98
- Sh 2-99
- Sh 2-100
- Sh 2-101
- Sh 2-102
- Sh 2-103
- Sh 2-104
- Sh 2-105
- Sh 2-106
- Sh 2-107
- Sh 2-108
- Sh 2-109
- Sh 2-110
- Sh 2-111
- Sh 2-112
- Sh 2-113
- Sh 2-114
- Sh 2-115
- Sh 2-116
- Sh 2-117
- Sh 2-118
- Sh 2-119
- Sh 2-120
- Sh 2-121
- Sh 2-122
- Sh 2-123
- Sh 2-124
- Sh 2-125
- Sh 2-126
- Sh 2-127
- Sh 2-128
- Sh 2-129
- Sh 2-130
- Sh 2-131
- Sh 2-132
- Sh 2-133
- Sh 2-134
- Sh 2-135
- Sh 2-136
- Sh 2-137
- Sh 2-138
- Sh 2-139
- Sh 2-140
- Sh 2-141
- Sh 2-142
- Sh 2-143
- Sh 2-144
- Sh 2-145
- Sh 2-146
- Sh 2-147
- Sh 2-148
- Sh 2-149
- Sh 2-150
- Sh 2-151
- Sh 2-152
- Sh 2-153
- Sh 2-154
- Sh 2-155
- Sh 2-156
- Sh 2-157
- Sh 2-158
- Sh 2-159
- Sh 2-160
- Sh 2-161
- Sh 2-162
- Sh 2-163
- Sh 2-164
- Sh 2-165
- Sh 2-166
- Sh 2-167
- Sh 2-168
- Sh 2-169
- Sh 2-170
- Sh 2-171
- Sh 2-172
- Sh 2-173
- Sh 2-174
- Sh 2-175
- Sh 2-176
- Sh 2-177
- Sh 2-178
- Sh 2-179
- Sh 2-180
- Sh 2-181
- Sh 2-182
- Sh 2-183
- Sh 2-184
- Sh 2-185
- Sh 2-186
- Sh 2-187
- Sh 2-188
- Sh 2-189
- Sh 2-190
- Sh 2-191
- Sh 2-192
- Sh 2-193
- Sh 2-194
- Sh 2-195
- Sh 2-196
- Sh 2-197
- Sh 2-198
- Sh 2-199
- Sh 2-201
- Sh 2-202
- Sh 2-203
- Sh 2-204
- Sh 2-205
- Sh 2-206
- Sh 2-207
- Sh 2-208
- Sh 2-209
- Sh 2-210
- Sh 2-211
- Sh 2-212
- Sh 2-213
- Sh 2-214
- Sh 2-215
- Sh 2-216
- Sh 2-217
- Sh 2-218
- Sh 2-219
- Sh 2-220
- Sh 2-221
- Sh 2-222
- Sh 2-223
- Sh 2-224
- Sh 2-225
- Sh 2-226
- Sh 2-227
- Sh 2-228
- Sh 2-229
- Sh 2-230
- Sh 2-231
- Sh 2-232
- Sh 2-233
- Sh 2-234
- Sh 2-235
- Sh 2-236
- Sh 2-237
- Sh 2-238
- Sh 2-239
- Sh 2-240
- Sh 2-241
- Sh 2-242
- Sh 2-243
- Sh 2-244
- Sh 2-245
- Sh 2-246
- Sh 2-247
- Sh 2-248
- Sh 2-249
- Sh 2-250
- Sh 2-251
- Sh 2-252
- Sh 2-253
- Sh 2-254
- Sh 2-255
- Sh 2-256
- Sh 2-257
- Sh 2-258
- Sh 2-259
- Sh 2-260
- Sh 2-261
- Sh 2-262
- Sh 2-263
- Sh 2-264
- Sh 2-265
- Sh 2-266
- Sh 2-267
- Sh 2-268
- Sh 2-269
- Sh 2-270
- Sh 2-271
- Sh 2-272
- Sh 2-273
- Sh 2-274
- Sh 2-275
- Sh 2-276
- Sh 2-277
- Sh 2-278
- Sh 2-279
- Sh 2-280
- Sh 2-281
- Sh 2-282
- Sh 2-283
- Sh 2-284
- Sh 2-285
- Sh 2-286
- Sh 2-287
- Sh 2-288
- Sh 2-289
- Sh 2-290
- Sh 2-291
- Sh 2-292
- Sh 2-293
- Sh 2-294
- Sh 2-295
- Sh 2-296
- Sh 2-297
- Sh 2-298
- Sh 2-299
- Sh 2-301
- Sh 2-302
- Sh 2-303
- Sh 2-304
- Sh 2-305
- Sh 2-306
- Sh 2-307
- Sh 2-308
- Sh 2-309
- Sh 2-310
- Sh 2-311
- Sh 2-312
- Sh 2-313
- See also: Gum catalog
- Nebula
- RCW Catalogue
- Stewart Sharpless