Star profile
HIP 109521
What is HIP 109521
In the small Lizard that slips between Cygnus and Andromeda glows a white A-class star. Its light set out some 183 years ago, when the telegraph was beginning to weave a network that would forever change the human sense of distance. A-class stars are young and clean, rich in hydrogen, with spectra dominated by the dark lines of that element.
Where it is and when to see it
HIP 109521 lies in the northern celestial hemisphere. It is visible to the naked eye under a dark sky. Its best month of the year is September, when it culminates around midnight.
- From London it never sets and culminates about 89° up.
- From New York it never sets and culminates about 80° up.
- From Sydney it culminates about 5° above the horizon.
It can be seen from anywhere north of 39° S.
It ranks no. 19 in brightness among the 36 stars of Lacerta in our catalogue. To find it, start from Alpha Lacerta, the brightest: it lies about 3° away (a fist at arm's length covers about 10°).
The light you see today left it about 180 years ago.
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A public signature from a real person. The chosen name is a symbolic denomination within Stelvia, with no official standing or IAU recognition: the sky is not for sale and belongs to no one.
Astronomical data for HIP 109521
- Constellation
- Lacerta
- Apparent magnitude
- 5.38
- Distance
- 183.2 light years
- Coordinates (J2000)
- RA 332.791° · Dec 50.823°
- Catalogue
- HIP 109521 · HD 210715
A symbolic commemorative gift: neither the signature nor the chosen name implies ownership of the star or recognition by the IAU.
Other stars in Lacerta
Lacerta has 36 stars in Stelvia's catalogue. Here are a few of them.
- Alpha Lacerta3.76
- 1 Lacerta4.14
- 5 Lacerta4.34
- 13 Lacerta5.11
- 12 Lacerta5.25
- HIP 1133275.34
- HIP 1127315.43
- HIP 1097455.53