Double Star 02020+0246 Observation Details
02020+0246 Daily Motion
02020+0246 will be visible until March, 4, when it will move too close to the Sun. During this time, its proximity to the Sun will cause it to disappear from the night sky, making it unobservable for a while.
02020+0246 Visibility Timetable on September 09
02020+0246 Rise and Set Timetable
| Time | Elevation | |
| Moon Rise, 97.5% illuminated | 17:59 | -21° |
| Astrosession begin | 18:54 | -10° |
| 02020+0246 rise | 19:47 | |
| 02020+0246 transit | 01:54 | 55° |
| Astrosession end | 03:15 | 51° |
| Civil sunrise | 04:18 | 42° |
| Sunrise | 04:46 | 38° |
| Moon Set | 06:57 | 13° |
| 02020+0246 set | 08:02 |
Track 02020+0246 Position Throughout the Night
← Tue, 9 September 2025 →
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Shift the map to change the time and observe 02020+0246 changing position in the night sky.
Where is 02020+0246 right now?
02020+0246 is located in the constellation Pisces, at right ascension 02h 02m 02s" and declination 02° 45' 49s. At the current time, it is above the horizon at an altitude of 45 degrees toward the southwest from your location, with an apparent magnitude of 4.10.02020+0246 Star System Description
02020+0246 is Quadruple Star System located in constellation Pisces at coordinates RA: 02h 02m 02s", Dec: 02° 45' 49s.
The primary component has a magnitude of 4.10, while the secondary component has a magnitude of 5.17. They are separated by 5.1 arcseconds at a position angle of 337 degrees. The brightness difference between the two components is 1.07 magnitudes, with the primary component being approximately 2.7 times brighter than the secondary.
The primary and secondary stars are both white in color
Below is a table with star system details from the Washington Double Star (WDS) Catalog. This catalog is a comprehensive source of information on double and multiple star systems, providing key data on the positions, magnitudes, and separations of stellar components.
The primary component has a magnitude of 4.10, while the secondary component has a magnitude of 5.17. They are separated by 5.1 arcseconds at a position angle of 337 degrees. The brightness difference between the two components is 1.07 magnitudes, with the primary component being approximately 2.7 times brighter than the secondary.
The primary and secondary stars are both white in color
Below is a table with star system details from the Washington Double Star (WDS) Catalog. This catalog is a comprehensive source of information on double and multiple star systems, providing key data on the positions, magnitudes, and separations of stellar components.
Technical Details of Star System 02020+0246
| Property | Value |
|---|---|
| Star System Identifier | 02020+0246 |
| System Type | Quadruple Star System |
| Primary Star | alp Psc |
| Right Ascension (RA) | 2.03411 (02h 02m 02s") |
| Declination (Dec) | 2.76372 (02° 45' 49s) |
| Magnitude (Primary) | 4.10 |
| Magnitude (Secondary) | 5.17 |
| Spectral Type (Primary/Secondary) | A0p+A3m (white/white) |
| Separation (Arcseconds) | 5.1 |
| Position Angle | 337° |
| Discovery Year | 1779 |
| Last Observed | 2023 |
| Primary Proper Motion (Ra, Dec) | +042-011 |
| Secondary Proper Motion (Ra, Dec) | +042-011 |
| Number of Observations | 633 |
02020+0246 Components
| Component | Magnitude | Separation (arcseconds) | Position Angle |
| AB | 5.17 | 5.1 | 337 |
| AC | 8.25 | 406.1 | 62 |
| AD | 8.59 | 457.8 | 336 |
The data presented in this table is sourced from the Washington Double Star (WDS) Catalog, a comprehensive repository of double and multiple star system information maintained by the U.S. Naval Observatory. We thank the WDS team for their continued efforts in providing accurate and detailed astronomical data.
Finder Chart for alp Psc
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| Object name | 02020+0246 |
| Field of view | |
| Limiting magnitude | |
| 02020+0246 coordinates | 2.03411, 2.76372 |
| Center coordinates | 2.03411, 2.76372 |
02020+0246 Passage Through Night
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Current position of 02020+0246
| Time | 23:52 |
| Latitude | 37.3541 |
| Longitude | -121.955 |
| 02020+0246 elevation | 45° |
| 02020+0246 Azimuth | -133° |
Here you can see the current position of the 02020+0246 on the map, as well as its positions for rise and set. This tool allows you to track the 02020+0246's movement throughout the night, providing you with accurate and up-to-date information.
Annual motion of 02020+0246
| Date | Wed, 10 September 2025 |
| Twighlight start | 18:48 |
| Twighlight end | 03:10 |
| Twighlight duration | 8h 22m |
| Rise | 19:43 |
| Set | 07:58 |
| Elevation at transit | 55° |
| Transit time | 01:50 |
| Equatorial coordinates | RA: 02h 02m 02s", Dec: 02° 45' 49s |
| Magnitude | 4 |
| Constellation | Pisces |
The graph illustrates the annual visibility pattern of a 02020+0246, providing a comprehensive overview of its daily appearances and transit times throughout the year.
The graph is structured with the vertical axis showing the hours of the day, ranging from 12 AM to 12 AM the next day, while the horizontal axis spans each day of the year.
The reddish shaded area indicates the periods when the 02020+0246 is above the horizon, visible to observers. The white line marks the times when the celestial object reaches its highest point in the sky each day, known as the transit.
The graph is structured with the vertical axis showing the hours of the day, ranging from 12 AM to 12 AM the next day, while the horizontal axis spans each day of the year.
The reddish shaded area indicates the periods when the 02020+0246 is above the horizon, visible to observers. The white line marks the times when the celestial object reaches its highest point in the sky each day, known as the transit.
Astrometric & Physical Parameters of 02020+0246
Coordinates & Visibility
| Right Ascension | 2.03411° |
| Declination | 2.76372° |
| Magnitude | 4.10 |
| Constellation | Pisces |
| Elevation | 45.4° |
| Azimuth | -133.4° |