Sentences with phrase «angular separation from»

With an angular separation from the primary of about 8.5 arc - minutes, the astronomers estimated a wide physical separation of about 4,000 AUs.

It ranges in brightness from about − 2.0 to 5.5 in apparent magnitude, but is not easily seen; its greatest angular separation from the Sun (greatest elongation) is only 28.3 ° (it can only be seen in twilight).

Not exact matches

As of 2015, the magnitude 10.5 K - type companion star was located at an angular separation of 18.10 arc seconds along a position angle of 135 ° from the brighter primary.

As viewed from Earth, it is located at an angular separation of 2.2 ° from the two main stars.

From low - resolution optical and near - IR spectroscopy we classified the primary and the companion as an M7.5 +... ▽ More In a search for common proper motion companions using the VISTA Hemisphere Survey and 2MASS catalogs we have identified a very red (J - Ks = 2.47 mag) late - L dwarf companion of a previously unrecognized M dwarf VHS J125601.92 - 125723.9, located at a projected angular separation of 8.06» + / -0.03».

One of the problems, though, and a huge one, is that the angular separation (as viewed from Earth) of the primary Centauri stars has been decreasing as they move through their orbits.