About HD 65607
HD 65607 is an uncommon variable star. It sits in the constellation Mon, shines at apparent magnitude 8.42 and has spectral type G2IIIv comp.
Its spectrum reads G2IIIv comp — a G-type star: the very same spectral class as our own Sun.
Uncommon variable star 26 EP
HD 65607
RA 119.8182° · Dec -7.5050° · star
Score breakdown
· 5 badgesUncommon 34 pts → Rare
- Sun-like G-type star +8
- Giant star +6
- Variable star +5
- Gently variable +4
- A named variable star +3
Total score 26
8 more points to reach Rare.
Badges
- Variable star · +5
- Sun-like G-type star · +8
- Giant star · +6
- Gently variable · +4
- A named variable star · +3
Trivia
Hard to believe
- True brightness. It pours out about 3.7 million times as much light as the Sun. It only looks ordinary because it is so far away.
What it actually is
- Spectral class. Its spectrum reads G2IIIv comp — a G-type star: the very same spectral class as our own Sun.
- Where it is in life. It is a giant. It has already exhausted its core hydrogen and swollen up enormously in response.
- It changes. This star does not hold still: its brightness rises and falls on a rhythm of hours, days or years, either pulsing in size or being eclipsed by a companion.
Find it in the sky
- How to spot it. At magnitude 8.4 it is just past naked-eye reach — ordinary binoculars will pull it in, over in Monoceros.
- Seen from everywhere. It sits almost on the celestial equator, so it can be seen from essentially anywhere on Earth.
- Best time of year. It stands highest in the middle of the night around January — that's when to go looking.
Its true colour
- Its true colour. Measured through blue and visual filters it comes out yellow-white (B−V 0.3) — a shade brighter and crisper than our own Sun.
Properties
- absmag
- -11.58
- bv
- 0.349
- constellation
- Mon
- luminosity
- 3732501.578
- mag
- 8.42
- name
- HD 65607
- spect
- G2IIIv comp
- var amplitude
- 0.46
- var designation
- UX
- var max
- 8.2
- var min
- 8.66
How to see it
Look for HD 65607 in the constellation Mon. At apparent magnitude 8.42, it is an easy target for binoculars.
Like any astronomical target, HD 65607 is best seen from a dark site away from city lights, and when it is above the horizon depends on your latitude and the time of year. The visibility panel above works out tonight's viewing window for your saved location.
Why HD 65607 is an uncommon variable star
HD 65607 scores 26 points on Spacedle's rarity scale, which places it in the uncommon tier. Another 8 points would lift it into a rarer tier.
That score comes from 5 science badges — Variable star, Sun-like G-type star, Giant star, Gently variable and A named variable star — each earned for a real, measurable property of the object. Rarity on Spacedle is never random: the more remarkable an object's astrophysics, the more badges it collects, the higher it scores, and the rarer it ranks.