Observe
1Physical Properties
Magnitude
6.20
Range
6.19 - 6.87
Period
8.6 days
Variable Type
Eclipsing Binary (Algol-type)
Spectral Type
B9.5IV-V
Star Color
Blue-white
(B-V -0.02)
2Position & Identifiers
RA
05h 30m 13.9s
Dec
-84° 47' 06.0"
Constellation
Mensa
(Men)
HR
2059
HIP
25776
HD
39780
Variable ID
TZ Men
Querying VizieR catalog...
3How easy to follow?
Magnitude
6.2 – 6.9 mag
Amplitude
0.7 mag
Period
8.57 d
Type
EA/D
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| Equipment | Bortle 3 | Bortle 4 | Bortle 5 |
|---|---|---|---|
| Naked eye Naked eye | V. hard | V. hard | Imp. |
| 50 mm finder 50mm finder | Medium | Medium | Medium |
| 150 mm telescope 150mm scope | Medium | Medium | Medium |
Easy
Medium
Hard
Very hard
Impossible
Bortle 3 = rural · 4 = outer suburbs · 5 = suburbs
4Visibility
Set a location in User Settings to see visibility data.
Best season
Nov – Jan
(peak: Dec)
5Light Curve
6Comparison Stars for TZ Men (6.2–6.9)
Nearby stable stars for estimating brightness (AAVSO)
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Explore
7
Size Comparison
Querying VizieR for stellar data…
8
Compare Stars
9
Spectral Classification
10
Hertzsprung-Russell Diagram
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11
Stellar Lifecycle
12
Blackbody Spectrum
13
Stellar Absorption Spectrum
Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.
14
Stellar Fusion
Discover
15Stellar Notes
EA 6.19 - 6.87V, 8.56898d. Sp. at min., B9V.
8.5690d, K 59.8k/s, V0 -1k/s, msin3i 3.39, asini 7.03.
Also classified A1III + B9V:
Survey Image
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Nearby in the Sky
Other targets within a few degrees — pan your scope a little and keep exploring.
Visibility scores assume a 150 mm Newton at Bortle 4.
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Article
Mensa
Mythology, bright stars, and deep-sky highlights.
Constellation
