τ-Cas (Star)
Color-magnitude diagram
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
Finder chart
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From South El Monte , τ-Cas is visible all night. It will become visible at around 19:00 (PDT), 51° above your north-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 21:56, 65° above your northern horizon. It will continue to be observable until around 05:12, when it sinks below 19° above your north-western horizon.
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|
Name
τ-Cas
|
Object type
Star
|
Other names
Position
| Right ascension: | 23h47m03s [4] |
| Declination: | +58°39'08" [4] |
| Constellation: | Cassiopeia |
| Magnitude: Variable | 4.88 (V) [2] 6.31 (BT) [2] 5.00 (VT) [2] 4.57 (G) [4] 5.12 (BP) [4] 3.87 (RP) [4] |
| Distance: | 53.3 parsec 173.6 lightyrs [4] |
| B-V Color (mag): | 1.11 |
| Proper motion (speed): | 82.9 mas/yr[4] |
| Proper motion (pos ang): | 46.7° |
Derived quantities
| Absolute mag (V): | 1.25 |
Visibility from South El Monte
All times shown in South El Monte local time.