NGC 4993 (also catalogued as NGC 4994 in the New General Catalogue) is a lenticular galaxy located about 140 million light-years away in the constellation...
18 KB (1,601 words) - 22:35, 5 August 2024
detectors on 17 August 2017, originating from the shell elliptical galaxy NGC 4993, about 140 million light years away. The signal was produced by the last...
102 KB (5,897 words) - 09:43, 8 September 2024
collaborated to detect the electromagnetic counterpart, a kilonova in the galaxy NGC 4993, 40 megaparsecs away, emitting a short gamma ray burst (GRB 170817A) seconds...
105 KB (12,587 words) - 01:39, 15 September 2024
electromagnetic spectrum (AT 2017gfo) located in a relatively nearby galaxy, NGC 4993. Observations of AT 2017gfo confirmed that it was the first conclusive...
22 KB (2,196 words) - 00:33, 25 August 2024
gravitational wave associated with the merger of two neutron stars in NGC 4993, an elliptical galaxy in the constellation Hydra about 140 million light...
22 KB (2,337 words) - 00:42, 15 September 2024
Nicholas; Scott, M.Ransom (13 May 2019). "Long-Term Timing of Pulsars in NGC 6440: An Updated Mass Limit of Millisecond Pulsar J1748-2021B" (PDF). www...
39 KB (4,295 words) - 22:40, 18 July 2024
In August 2017, a neutron star collision that occurred in the galaxy NGC 4993 produced the gravitational wave signal GW170817, which was observed by...
45 KB (5,784 words) - 18:13, 12 September 2024
observatories; first polarization measurement GW170817 12:41:04 2017-10-16 16; NGC 4993 33.0+0.0 −2.1 40±10 ≥ 0.04 1.186+0.001 −0.001 0.00+0.02 −0.01 NS 1.46+0...
208 KB (5,989 words) - 13:24, 15 September 2024
is of fairly uniform brightness throughout. Another notable galaxy is NGC 4993, an elliptical galaxy which was the source of events GW170817, GRB 170817A...
17 KB (1,848 words) - 17:14, 14 September 2024
optical telescopes. August 2017: A neutron star collision in the galaxy NGC 4993 produced the gravitational wave signal GW170817, which was observed by...
17 KB (1,722 words) - 22:30, 7 September 2024
DES concluded that the optical counterpart they have identified near NGC 4993 is associated with GW170817. This discovery ushers in the era of multi-messenger...
50 KB (5,469 words) - 04:27, 25 July 2024
NGC 4614 is a barred lenticular galaxy in the New General Catalog. It is located in the constellation of Coma Berenices. It was discovered in 1864 by...
3 KB (211 words) - 18:24, 18 January 2024
NGC 4701 is an unbarred spiral galaxy in the New General Catalogue, located in the constellation Virgo. It was discovered by the English astronomer William...
3 KB (243 words) - 18:24, 18 January 2024
83. Positioned just 1.8° to the south-southwest is the planetary nebula NGC 3242. Mu Hydrae has an annual parallax shift of 13.93 mas, which yields a...
6 KB (386 words) - 07:21, 23 August 2024
3312 3313 3314 3315 3316 3336 3369 3393 3402 3464 3585 3621 3717 3923 4980 4993 5078 5101 5135 5260 5264 5495 Other AM 1316-241 Arp 7 ESO 510-G13 GAMA202627...
3 KB (332 words) - 02:25, 18 August 2020
3312 3313 3314 3315 3316 3336 3369 3393 3402 3464 3585 3621 3717 3923 4980 4993 5078 5101 5135 5260 5264 5495 Other AM 1316-241 Arp 7 ESO 510-G13 GAMA202627...
2 KB (133 words) - 09:55, 14 January 2024
44±2 km/s Other designations η Mus, CPD−67° 2224, FK5 493, HD 114911, HIP 64661, HR 4993, SAO 252224, WDS J13152-6754A Database references SIMBAD data...
10 KB (677 words) - 00:16, 23 August 2024
3312 3313 3314 3315 3316 3336 3369 3393 3402 3464 3585 3621 3717 3923 4980 4993 5078 5101 5135 5260 5264 5495 Other AM 1316-241 Arp 7 ESO 510-G13 GAMA202627...
3 KB (129 words) - 21:37, 9 May 2024
3312 3313 3314 3315 3316 3336 3369 3393 3402 3464 3585 3621 3717 3923 4980 4993 5078 5101 5135 5260 5264 5495 Other 2MASX J09133888-1019196 AM 1316-241 Arp...
8 KB (642 words) - 22:59, 4 August 2024
3312 3313 3314 3315 3316 3336 3369 3393 3402 3464 3585 3621 3717 3923 4980 4993 5078 5101 5135 5260 5264 5495 Other 2MASX J09133888-1019196 AM 1316-241 Arp...
12 KB (981 words) - 23:43, 22 August 2024
3312 3313 3314 3315 3316 3336 3369 3393 3402 3464 3585 3621 3717 3923 4980 4993 5078 5101 5135 5260 5264 5495 Other 2MASX J09133888-1019196 AM 1316-241 Arp...
12 KB (988 words) - 20:50, 22 August 2024
3312 3313 3314 3315 3316 3336 3369 3393 3402 3464 3585 3621 3717 3923 4980 4993 5078 5101 5135 5260 5264 5495 Other AM 1316-241 Arp 7 ESO 510-G13 GAMA202627...
10 KB (768 words) - 18:48, 12 May 2024
3312 3313 3314 3315 3316 3336 3369 3393 3402 3464 3585 3621 3717 3923 4980 4993 5078 5101 5135 5260 5264 5495 Other 2MASX J09133888-1019196 AM 1316-241 Arp...
11 KB (861 words) - 20:29, 21 July 2024
3312 3313 3314 3315 3316 3336 3369 3393 3402 3464 3585 3621 3717 3923 4980 4993 5078 5101 5135 5260 5264 5495 Other 2MASX J09133888-1019196 AM 1316-241 Arp...
2 KB (196 words) - 00:32, 11 May 2024
3312 3313 3314 3315 3316 3336 3369 3393 3402 3464 3585 3621 3717 3923 4980 4993 5078 5101 5135 5260 5264 5495 Other 2MASX J09133888-1019196 AM 1316-241 Arp...
8 KB (508 words) - 01:50, 23 August 2024
3312 3313 3314 3315 3316 3336 3369 3393 3402 3464 3585 3621 3717 3923 4980 4993 5078 5101 5135 5260 5264 5495 Other AM 1316-241 Arp 7 ESO 510-G13 GAMA202627...
9 KB (677 words) - 22:16, 18 July 2024
3312 3313 3314 3315 3316 3336 3369 3393 3402 3464 3585 3621 3717 3923 4980 4993 5078 5101 5135 5260 5264 5495 Other 2MASX J09133888-1019196 AM 1316-241 Arp...
7 KB (483 words) - 13:53, 18 July 2024
3312 3313 3314 3315 3316 3336 3369 3393 3402 3464 3585 3621 3717 3923 4980 4993 5078 5101 5135 5260 5264 5495 Other AM 1316-241 Arp 7 ESO 510-G13 GAMA202627...
8 KB (518 words) - 01:50, 23 August 2024
3312 3313 3314 3315 3316 3336 3369 3393 3402 3464 3585 3621 3717 3923 4980 4993 5078 5101 5135 5260 5264 5495 Other 2MASX J09133888-1019196 AM 1316-241 Arp...
10 KB (720 words) - 04:52, 12 February 2024
3312 3313 3314 3315 3316 3336 3369 3393 3402 3464 3585 3621 3717 3923 4980 4993 5078 5101 5135 5260 5264 5495 Other AM 1316-241 Arp 7 ESO 510-G13 GAMA202627...
9 KB (775 words) - 09:40, 27 October 2023