Sagittarius A*: Difference between revisions

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{{quote|Sagittarius A* is a popular destination for explorers and travellers. It is a supermassive black hole of the type found in most spiral and elliptical galaxies. Radio transmissions indicating its existence were first discovered by Karl Jansky.|Tourist Beacon 0082, "The Centre"}}
{{quote|Sagittarius A* is a popular destination for explorers and travellers. It is a supermassive black hole of the type found in most spiral and elliptical galaxies. Radio transmissions indicating its existence were first discovered by Karl Jansky.|Tourist Beacon 0082, "The Centre"}}
'''Sagittarius A*''', officially abbreviated as '''Sgr A*''' and colloquially as '''SagA*''', is the [[Star system|system]] in the [[Galactic Centre]] region that is recognized as the exact centre of the [[Galaxy|Milky Way galaxy]]. It is home to the only known [[Black Holes|Supermassive Black Hole]], as well as a white B-type star called [[Source 2]]. The system is very popular due to its significance as the centre of the galaxy, and dedicated [[explorer]]s are traditionally expected to visit it at least once in their careers.
'''Sagittarius A*''', officially abbreviated as '''Sgr A*''' and colloquially as '''SagA*''', is the [[Star system|system]] in the [[Galactic Centre]] region that is recognized as the exact centre of the [[Galaxy|Milky Way galaxy]]. It is 25,899.99 light-years away from [[Sol]]. The system is home to the only known [[Black Holes|Supermassive Black Hole]] in the galaxy, as well as a white B-type star called [[Source 2]]. Dedicated [[explorer]]s are traditionally expected to visit Sagittarius A* at least once in their careers due to its significance, but any pilot can make the trip provided they prepare their [[Ships|ship]] with long-range travel in mind.


Only 3.66 ly away from Sagittarius A * is the system [[Stuemeae FG-Y d7561]], where [[Explorer's Anchorage]] is located. Explorer's Anchorage is the closest [[Starport]] to both Sagittarius A* and [[Beagle Point]], as well as the most distant Starport from [[Sol]]. It is a convenient rest stop for Sagittarius A* visitors and other travelers passing through the Galactic Centre.
Only 3.66 ly away from Sagittarius A* is the system [[Stuemeae FG-Y d7561]], where [[Explorer's Anchorage]] is located. Explorer's Anchorage is the closest [[Starport]] to both Sagittarius A* and [[Beagle Point]], as well as the most distant Starport from [[Sol]]. It is a convenient rest stop for Sagittarius A* visitors and other travelers passing through the Galactic Centre.


==A Guide to Getting There==
==History==
[[File:Sagittarius A.png|thumb|250px|Sagittarius A*]]
Sagittarius A* was documented by [[Universal Cartographics]] at some point, but remained uncharted and unexplored until December 1, 3300, when CMDR Zulu Romeo, piloting the [[Cobra MkIII|Cobra Mk III]] ''Useless Reptile'', became the first human to enter and scan the system while scouting a route for the First Great Expedition. A wave of visitors followed beginning on January 8, 3301 with CMDR Erimus Kamzel, and in short order Sagittarius A* became a significant touchstone for explorers and independent expeditions. Its importance was commemorated on October 25, 3302 with the addition of [[Tourist Beacon]] 0082 "The Centre", which remains the only permanent artificial structure in the system.
Sagittarius A* is 25,900 light years from Sol. It will take roughly 700 jumps to reach the system with a 35-40 ly jump range, which means around 10 hours of travel time without any stops along the way; many pilots prefer to split the voyage into multiple segments over a period of several days or weeks. The fastest time in which Sagittarius A* can be reached is approximately 2 hours, provided an [[Anaconda]] with an 80 ly jump range is used with [[Neutron Highway|neutron star supercharging]].


A voyage to Sagittarius A* and back is not easy - in fact, it is sometimes said to be quite dangerous, but if you ping every system with your [[Discovery Scanner]] and explore the ones that look valuable, it can be extremely profitable - you can make several tens of millions from a Sagittarius A* trip.
During the [[Distant Worlds II]] expedition of 3305, the expedition members constructed [[Explorer's Anchorage]], an [[Orbis]] [[starport]], in the nearby [[Stuemeae FG-Y d7561]] system to serve as a research centre and rest stop for visitors to Sagittarius A*.
 
===The Right Stuff===
If you want to set off on the journey, you need to be equipped properly:
*'''An exploration ship''' - you can't go exploring without having a ship meant for it! [[Diamondback Explorer]]s are particularly recommended for exploration due to their low cost (2 million credits) and very high maximum jump range (34ly). [[Asp Explorer]]s have a higher jump range at 37ly, but they are much more expensive at a price of 6 million credits. [[Anaconda]]s are capable of reaching up to 40ly, but it is extremely expensive. Shorter voyages to other locations like the Orion Nebula can be accomplished in a [[Cobra MkIII]] or a [[Hauler]], however.
*'''[[Detailed Surface Scanner]]''' - Detailed surface scans will allow mapping surfaces with probes, revealing any significant points of interest on the planet's surface, as well as awarding a credit bonus if the probe efficiency target has been met.
*'''Class D modules''', except [[Frame Shift Drive]] (FSD) - Having Class D modules will increase your jump range, but your FSD and fuel scoop should be the best you can afford. The best FSDs cost between 160 thousand upwards beyond 50 million depending on size. Don't worry that using D-class modules will hinder your ship's performance, class D modules are sufficient for exploration (except for the fuel scoop and FSD), including [[Life Support]], [[Power Plant]], and [[Thrusters]]. Installing an A-rated smaller Power Plant in might in some cases be preferable to a D-rated larger one, due to higher heat efficiency which will make scooping stars a lot easier. 
*'''Fuel Scoop''' - there are no stations on the way to Sagittarius A*, which means you'll have to fly into a star's corona to refill your fuel tank. Equip the best one you can afford, you don't want to spend more time next to the star than you absolutely need to. Also remember which stars can be scooped and which can't. Remembering a mnemonic of scoopable stars, such as KGB-FOAM, might come in handy. More on this below. 
*Bringing weapons and most utility modules is not recommended. There will most likely be no-one around to attack you while exploring, and having weapons or utility slots on board will decrease your jump range. The only utility modules that would be of any use are heat-sinks and shield boosters.
*Shields are useful for preventing damage when landing on planets and for the occasional pirate on return to civilization. Also useful for protection from players who occasionally hang around Sagittarius A* preying on unprotected explorers.
*[[Auto Field-Maintenance Unit]]s are handy to have but they're not essential. Your modules will deteriorate over time and it's likely you will warp into a not-nice location along the way. They don't reduce your jump range. If you can, try to equip 2 AFMUs, so that one can repair the other as well, since AFMUs can't self-heal.
 
===Patience is Key===
Sagittarius A* isn't exactly a walk down the street – it's 25,900 light years away from Sol. You read that right – twenty-five thousand light years from [[Sol]]. You won't be able to plop yourself in the seat of an Asp Explorer, hop on over to the centre of the galaxy, and get back to Earth in time for tea at grandma's. It takes, at the absolute minimum, 3 hours to get there. Despite that not being a entirely long time, it is still a massive time investment - and that's in a completely stripped down anaconda, on the neutron highway, doing ''nothing'' but jumping.
 
If you want a profitable voyage, you'll need both time and patience and you must be able to handle being away from civilisation for a few weeks of playing until you get to the core where it's likely you'll meet up with other visiting explorers.
 
===Scoopable stars===
Only seven star types can be skimmed for [[fuel]] with a [[Fuel Scoop]]:
*Red Dwarf Stars (M)
*Orange Dwarf Stars (K)
*Yellow Dwarf Stars (G)
*Yellow-White Dwarf Stars (F)
*Blue Main Sequence Stars (A, B and O)
 
The sequence can be remembered with the phrase, "Oh Be A Fine Girl, Kiss Me!" or simply "KGB Foam". Be aware that T-Tauri stars are often mistaken for normal stars, as they look exactly the same - but you can tell if it's a T-Tauri star if you get into fuel scooping range and nothing happens. It will also show that it's a T-Tauri star on the system map. Be aware that sometimes you will stumble into massive swathes of space that are full of T-Tauri stars and you might run low on fuel while inside. If this happens, search for the nearest scoopable star or if there are none nearby and you are close enough to an inhabited system (<1,000ly), request help from another pilot with [[Limpet Controller/Fuel Transferer|Fuel Transfer Limpets]].
 
Running out of fuel in the middle of a voyage is the worst thing that can happen to an explorer. Without fuel, the ship cannot jump, modules will lose power, the ship will eventually self-destruct.


==System Layout==
==System Layout==
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==Notes==
==Notes==
* It is important to note the distinction between Sagittarius A and Sagittarius A*. The former is a complex radio source, while the latter is the supermassive black hole that is part of that source.
* It is important to note the distinction between Sagittarius A and Sagittarius A*. The former is a complex radio source, while the latter is the supermassive black hole that is part of that source.
* Due to the popularity of the system, caution is advised in Open Play as gankers may be waiting to assault unarmed explorers going to the system.
* On February 18, 2016, Sagittarius A* became the first location where the theoretical instance cap for ''Elite Dangerous'' was broken, with over 50 player ships recorded in the same instance. Soon after, this record was broken with 101 players recorded.
* On February 18, 2016, Sagittarius A* became the first location where the game's theoretical instance cap was broken, with over 50 player ships recorded in the same instance. Soon after this record was broken with 101 players recorded.
* The maximum surface scan range for Sagittarius A* is 144,278 Ls.<ref>http://i.imgur.com/O1xSG6I.jpg</ref><ref>http://i.imgur.com/ndBXYV2.jpg</ref>
* The maximum surface scan range for Sagittarius A* is 144,278 Ls.<ref>http://i.imgur.com/O1xSG6I.jpg</ref><ref>http://i.imgur.com/ndBXYV2.jpg</ref>


==Videos==
==Videos==
<gallery>
<gallery>
File:Supermassive Black Hole Sagittarius A* - The FIRST EVER arrival (Elite- Dangerous Gamma 1.04)
File:Elite_Dangerous_Arriving_at_Sagittarius_A*
File:Elite_Dangerous_Arriving_at_Sagittarius_A*
File:From_Sol_to_Sagittarius_A_timelapse_-_Elite_Dangerous
File:From_Sol_to_Sagittarius_A_timelapse_-_Elite_Dangerous
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File:Sagittarius A 2015-09-23.jpg|Sagittarius A* info
File:Sagittarius A 2015-09-23.jpg|Sagittarius A* info
File:Source 2 Class B star 2015-09-23.jpg|Source 2 Class B star
File:Source 2 Class B star 2015-09-23.jpg|Source 2 Class B star
File:Sagittarius A at 1AU 2015-09-23.jpg|Sagittarius A* at 1 AU
File:Sagittarius A at 1AU 2015-09-23.jpg|Sagittarius A* at 1 AU
File:Sagittarius A 2015-09-23 22-32-31.jpg|Sagittarius A*
File:Sagittarius A 2015-09-23 22-32-31.jpg|Sagittarius A*
File:Green boundy line at 40LS 0379.jpg|Green boundary line at 40LS
File:Sagittarius A.png|Sagittarius A*
File:Sagittarius A.png|Sagittarius A*
File:ED-Sagittarius-A.png|Sagittarius A* and an Anaconda
File:ED-Sagittarius-A.png|Sagittarius A* and an Anaconda
File:Screenshot (186).png|Sagittarius A* and a Type-10 Defender
File:Sagittarius A in 3312.jpg|Sagittarius A in 3312
File:Sagittarius A and Caspian 3312.jpg|Sagittarius A and Caspian 3312
</gallery>
</gallery>


== References ==
== References ==
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