TX Piscium — Variable Star in Pisces
19 Psc
Good (56/100)
Observe
1Physical Properties
Magnitude
5.04
Range
4.8 - 5.2
Period
224 days
Variable Type
Slow Irregular Variable
Spectral Type
C5II
bright giant
Star Color
Deep ruby red
(B-V 2.60)
2Position & Identifiers
RA
23h 46m 23.5s
Dec
+03° 29' 12.0"
Constellation
Pisces
(Psc)
HR
9004
HIP
117245
HD
223075
SAO
128374
Flamsteed
19 Psc
Variable ID
TX Psc
Querying VizieR catalog...
3How easy to follow?
Magnitude
4.8 – 5.2 mag
Amplitude
0.4 mag
Period
224 d
Type
LB
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| Equipment | Bortle 3 | Bortle 4 | Bortle 5 |
|---|---|---|---|
| Naked eye Naked eye | Hard | V. hard+ | V. hard+ |
| 50 mm finder 50mm finder | Hard+ | Hard+ | Hard+ |
| 150 mm telescope 150mm scope | Hard+ | Hard+ | Hard+ |
Easy
Medium
Hard
Very hard
Impossible
Bortle 3 = rural · 4 = outer suburbs · 5 = suburbs
Out of reach for typical amateur telescopes, even at Bortle 3.
4Visibility
Set a location in User Settings to see visibility data.
Best season
Aug – Oct
(peak: Sep)
5Survey Image
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6Light Curve
7Comparison Stars for TX Psc (4.8–5.2)
Nearby stable stars for estimating brightness (AAVSO)
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Explore
8
Size Comparison
Querying VizieR for stellar data…
9
Compare Stars
10
Spectral Classification
11
Hertzsprung-Russell Diagram
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12
Stellar Lifecycle
13
Blackbody Spectrum
14
Stellar Absorption Spectrum
Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.
15
Stellar Fusion
Discover
16Stellar Notes
Lb 6.9 - 7.7p.
Carbon star; one of the reddest naked-eye stars
Gamma Leo group.
Technetium found in spectrum.
Occultation diam. = 0.0080 - 0.0102".
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
Pisces
Mythology, bright stars, and deep-sky highlights.
Constellation
