The AsterNym star registry
Merga
Merga: the yellow-white star of Boötes
yellow-white · Boötes · 38 Boo
Merga is a yellow-white star, a near cousin of our own Sun's colour in the constellation Boötes, one of the stars with a proper name recognised in the IAU Catalog of Star Names. At magnitude 5.76 it is visible to the naked eye under a dark sky.
Most stars in the sky are anonymous points of light. Merga is not. Some IAU-recognised names are ancient; others were adopted by the IAU only recently. Either way, the star already has a scientific identity, and a dedication attaches a human story to it.
Real star · Personal dedication · Recorded in the AsterNym registry
See what a dedicated page looks like: preview
Merga at a glance
- Constellation
- Boötes
- Other name
- 38 Boo
- Catalogue number
- HIP 72487
- Distance
- ≈ 160 light-years
- Brightness
- Magnitude 5.76 naked-eye
- Star type
- F7IVw
- Colour
- yellow-white
- Best seen from
- The Northern Hemisphere and lower southern latitudes
- Right ascension
- 14h 49m 19s
- Declination
- +46° 06′ 58″
J2000 catalogue coordinates that can be independently cross-checked against astronomical databases. A planetarium app showing coordinates of date will differ slightly, because proper motion and precession move a star’s apparent position over time.
What kind of star is Merga?
Merga is a yellow-white subgiant. Its surface runs about 6,000 to 7,500°C, a shade hotter than the Sun. Colour in a star is a temperature reading rather than a decoration: the hot ones are blue and the cool ones red, the opposite way round to a kitchen tap.
A little brighter and a little shorter-lived than the Sun, and near the edge of the range where a planet could plausibly hold liquid water for long enough to matter.
A star of this class gets two to four thousand million years.
It is a subgiant, caught in the short crossing between an ordinary life and a giant one. Its core has run out of hydrogen but its outer layers have not finished expanding, and astronomically this stage passes quickly.
Merga drifts about 7.8 arcseconds a century against the stars behind it. Slow by any human measure, and still enough that the sky your distant descendants see will not be the one in your photographs.
The light you are looking at is old
The light arriving from Merga tonight left in about 1866, some 160 years ago. Everything that has happened since, every person you have heard of from the last few centuries, happened while it was in transit.
That delay is the part people find hardest and like most. A star is the one thing you can give someone that was already old before either of you was born and will outlast anything else you could have chosen.
It sits at the edge of what an unaided eye can do, so finding it is a deliberate act rather than an accident.
What could a Merga dedication represent?
Merga is especially meaningful for someone who:
- · Deserves something older than any gift shop
- · Marks a beginning, an anniversary or a promise
- · Is remembered every time you look up
- · Has a light you want recorded somewhere permanent
Dedication idea
“For the one I think of when I find Boötes in the sky.”
Where can you see Merga?
It is easy to see from most of the Northern Hemisphere. It can also appear from lower southern latitudes, but it never rises for observers south of about latitude 44°S. It passes directly overhead at latitude 46°N. It stands highest at midnight in May, so May and June evenings are the best time to look. At magnitude 5.76 it is a naked-eye star only under a dark sky, binoculars make it certain.
Merga belongs to Boötes.
What does Merga mean in astrology?
The classical fixed-star tradition: Ptolemy, the medieval Behenian lists, Robson’s 1923 compilation. Is silent on Merga, and we don’t invent lore where none exists. What astrology can still read is the star’s real position, below.
Projected onto the zodiac the way fixed-star astrology reads any star, Merga stands at 15° Libra at the J2000 epoch, and the Sun passes that degree around 4 October in the years around 2000. Fixed-star longitude shifts slowly against the tropical zodiac because of precession, about one degree every seventy-two years, so a natal conjunction must be calculated for the birth year rather than read off this J2000 value or a calendar date.
Traditional interpretations, not facts or predictions. The position and dates are computed.
Dedicate Merga to someone who matters
A flower fades. A card is eventually put away. A star gives your message a place in the sky.
from$29.95a year
Dedicate Merga →Real star · your message · a page to share
Your Merga dedication includes
- Your chosen dedication name
- Your personal message
- Merga's real astronomical coordinates
- A shareable dedication page
- Its location on the AsterNym Galaxy Map
- An optional printable certificate and gift presentation
Merga keeps its established astronomical name. Your dedication is a personal commemorative record within the AsterNym registry.
Frequently asked questions about Merga
- What does Merga mean in astrology?
- The classical fixed-star tradition has no documented meaning for Merga. Projected onto the zodiac, Merga stands at 15° Libra, and the Sun passes that degree each year around 4 October.
- Is Merga the brightest star?
- Merga shines at magnitude 5.76 · visible to the naked eye on a clear night, one of the few thousand stars with an officially recognised name.
- How far away is Merga?
- Merga is approximately 160 light-years from Earth. The light reaching us tonight began its journey around 160 years ago.
- Which constellation contains Merga?
- Merga is part of Boötes.
- Can everyone see Merga?
- It is easy to see from most of the Northern Hemisphere. It can also appear from lower southern latitudes, but it never rises for observers south of about latitude 44°S. It passes directly overhead at latitude 46°N. It stands highest at midnight in May, so May and June evenings are the best time to look. At magnitude 5.76 it is a naked-eye star only under a dark sky, binoculars make it certain.
- Is dedicating Merga an official astronomical renaming?
- No. Merga keeps its internationally recognised astronomical name. An AsterNym dedication records your personal name and message in the AsterNym registry without changing the star's scientific identity.
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