Televes LED luminaires achieve IAC certification

Televes LED luminaires achieve IAC certification

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Televes LED luminaires achieve IAC certification

  • The Institute of Astrophysics of the Canary Islands has been a benchmark since the 1980s when it comes to the protection of the night sky and its regulation.
  • Televes has achieved the certification of the Astrophysical Institute of the Canary Islands for all series of luminaires, such as Cies, Retrofit, Farol Villa, Farol Fernandino, Urban Maia, Urban Alameda and Atmosled, both in SuperWarm white temperature ranges, and in Led Ambar IAC

One of the trends that is marking every aspect of society throughout this third decade of the 21st century is the increased awareness of the importance of the environment, trying to minimize the weight that our actions have on it.

Nowadays, we all know that any action, from turning on the light in our house to taking the car, or even drinking a glass of milk, has a direct effect on the planet. Whether it’s the ecological impact of generating and transporting that electricity, the emissions produced, or the large amount of agricultural land needed to feed that livestock, every activity has an associated cost. However, our awareness of this cost is not the same in all activities. Perhaps one of them, in which the least focus has been placed until recently, is the protection of the night sky.

Since the development of electric lighting, every city has implemented this technology. Electric lighting has made our homes more comfortable, our streets safer, and has allowed us to seize hours that until 200 years ago were left to the use only of nocturnal animals.

Light pollution and its weight in our lives and the environment

There have been so many advantages that, for almost two centuries, their brightness has eclipsed one of our greatest natural treasures: the night sky. Today, most of the population no longer enjoys the beauty of the
night sky from their homes, having to travel several kilometers to see even the brightest stars and enjoy a Milky Way show that is now little more than a childhood memory for many.

Although the cause of this light pollution is usually the poor design of outdoor lighting or its incorrect installation, directed upwards, its consequences go beyond the increasing illumination of our night sky: anyone can see their rest altered by the intrusion of light in your bedroom, or being dazzled while driving by a poorly designed streetlamp; all this without taking into account the harmful effect it causes on wildlife in both urban and rural areas.

Finally, this poor management and lighting design is a waste of energy, which not only results in an unnecessary cost for its users, but also increases the polluting emissions associated with the production of wasted energy. For example, certain high-wattage lights generate more carbon dioxide in a year than a modern diesel car produces in a trip of about 500 kilometers.

IAC, an example of efficient and responsible lighting

For all the aforementioned reasons, astronomical observatories are one of the points most affected by light pollution. In these centers, having a space where a clear sky can be observed is so important that it is the main factor when determining its location.

The Institute of Astrophysics of the Canary Islands is one of the best examples. Its observatories house the telescopes and instruments of some 60 institutions belonging to more than 20 countries. It is the largest collection of optical and infrared observation facilities for astrophysics within the European Union; and various high-energy astrophysics experiments and the study of the cosmic microwave background complete the battery of facilities available at the observatories.

For their work to be carried out successfully, it was necessary to find a point where the quality of the sky was extraordinary; and in the Canary Islands, an area characterized by this aspect and protected by law, they found the perfect place to establish an “astronomical reserve” that has been open to the international scientific community since the signing of the International Treaty of Cooperation in Astrophysics in 1979.

But if it serves as a reference on how to fight against light communication, it is not only because they are located in two of the most privileged places for astronomical observations, but also because of their great
awareness of the importance of promoting initiatives for their characterization and protection.

To this end, at the end of the 1980s the IAC created the “Sky Quality Group” and, since the early 1990s, sky characterization studies have been carried out promoted by the IAC and with the support of several external programs over the years with the aim of achieving the continuous characterization and preservation of the excellent astronomical conditions of the Canary Islands Observatories.

IAC certification for sustainable and environmentally friendly luminaires

The last step in this direction has been the launch of a certification that guarantees that those luminaires deserving of it meet the most demanding requirements in terms of efficiency, carbon footprint and
Light pollution.

These objectives are included in article 7 of the RD. 243/92 of the Regulations of Law 31/88 on the protection of the astronomical quality of the IAC observatories, where it establishes parameters such as the sum of the spectral radiances below 440 manometers must be less than 15% of the total radiance .

The reason for this limitation is, among others, that the scattering of light in the atmosphere (in clean atmosphere areas) is inversely proportional to the square of the wavelength. For example, an emission at 440nm produces a scattering (glow of light in the sky) 3.2 times higher than an emission at 588nm (sodium). Likewise, the information on the light received from the stars in the spectrum area below 500nm is very valuable for astrophysics.

This certification also includes parameters that are not only related to the protection of the sky, but also to people’s health: it is the emissions between 460-480nm that regulate the circadian clock in many living beings, producing serious effects on biodiversity and humans.

Televes, an example of responsible lighting

Televesa company that has put its extensive experience in electronic technology and the manufacture of metal structures at the service of lighting, has developed a range of professional LED lighting that is included in a complete catalog of luminaires for applications both indoors and outdoors.

Televes’ commitment to energy efficiency and respect for the environment is something that is present in all its business areas, creating products that cause the least possible carbon footprint, both in their manufacture and throughout their useful life, during which they invest the right amount of energy necessary for their function.

This is something that is also applied in its professional lighting catalogue, where Televes has once again positioned itself at the forefront of these technological trends, having all its ranges with luminaires with warm color temperatures that limit light dispersion in the night sky, and They allow you to create more pleasant night environments.

Perhaps the greatest exponent of this is its AtmosLED luminaires which, together with other company ranges such as Cies, Retrofit, Farol Villa, Farol Fernandino, have achieved the aforementioned certification from the Astrophysical Institute of the Canary Islands in Super Warm White and Amber Led color temperatures. IAC.

These ranges use 1,800ºK and 2,200ºK LEDs, classified according to the IAC as “IAC super warm white LED” and “IAC Amber LED”, which guarantees the
maximum respect for the quality of the night sky.

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