Solar eclipse of June 29, 1946
| Partial eclipse | |
| Gamma | 1.4361 |
|---|---|
| Magnitude | 0.1802 |
| Maximum eclipse | |
| Coordinates | Lua error: callParserFunction: function "#coordinates" was not found. |
| Times (UTC) | |
| Greatest eclipse | 3:51:58 |
| References | |
| Saros | 155 (2 of 71) |
| Catalog # (SE5000) | 9389 |
A partial solar eclipse occurred at the Moon's ascending node of orbit on Saturday, June 29, 1946,[1] with a magnitude of 0.1802. A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby totally or partly obscuring the image of the Sun for a viewer on Earth. A partial solar eclipse occurs in the polar regions of the Earth when the center of the Moon's shadow misses the Earth.
This was the third of four partial solar eclipses in 1946, with the others occurring on January 3, May 30, and November 23.
A partial eclipse was visible for parts of Northern Europe, Greenland, and Canada.
Eclipse details
[edit | edit source]Shown below are two tables displaying details about this particular solar eclipse. The first table outlines times at which the Moon's penumbra or umbra attains the specific parameter, and the second table describes various other parameters pertaining to this eclipse.[2]
| Event | Time (UTC) |
|---|---|
| First Penumbral External Contact | 1946 June 29 at 02:57:15.1 UTC |
| Greatest Eclipse | 1946 June 29 at 03:51:57.7 UTC |
| Equatorial Conjunction | 1946 June 29 at 03:58:28.2 UTC |
| Ecliptic Conjunction | 1946 June 29 at 04:06:09.4 UTC |
| Last Penumbral External Contact | 1946 June 29 at 04:46:39.5 UTC |
| Parameter | Value |
|---|---|
| Eclipse Magnitude | 0.18018 |
| Eclipse Obscuration | 0.09049 |
| Gamma | 1.43612 |
| Sun Right Ascension | 06h29m37.9s |
| Sun Declination | +23°16'18.2" |
| Sun Semi-Diameter | 15'43.9" |
| Sun Equatorial Horizontal Parallax | 08.6" |
| Moon Right Ascension | 06h29m21.1s |
| Moon Declination | +24°43'20.8" |
| Moon Semi-Diameter | 16'34.1" |
| Moon Equatorial Horizontal Parallax | 1°00'48.5" |
| ΔT | 27.5 s |
Eclipse season
[edit | edit source]This eclipse is part of an eclipse season, a period, roughly every six months, when eclipses occur. Only two (or occasionally three) eclipse seasons occur each year, and each season lasts about 35 days and repeats just short of six months (173 days) later; thus two full eclipse seasons always occur each year. Either two or three eclipses happen each eclipse season. In the sequence below, each eclipse is separated by a fortnight. The first and last eclipse in this sequence is separated by one synodic month.
| May 30 Ascending node (new moon) |
June 14 Descending node (full moon) |
June 29 Ascending node (new moon) |
|---|---|---|
| File:SE1946May30P.png | File:Lunar eclipse chart close-1946Jun14.png | File:SE1946Jun29P.png |
| Partial solar eclipse Solar Saros 117 |
Total lunar eclipse Lunar Saros 129 |
Partial solar eclipse Solar Saros 155 |
Related eclipses
[edit | edit source]Eclipses in 1946
[edit | edit source]- A partial solar eclipse on January 3.
- A partial solar eclipse on May 30.
- A total lunar eclipse on June 14.
- A partial solar eclipse on June 29.
- A partial solar eclipse on November 23.
- A total lunar eclipse on December 8.
Metonic
[edit | edit source]- Preceded by: Solar eclipse of September 10, 1942
Tzolkinex
[edit | edit source]- Followed by: Solar eclipse of August 9, 1953
Tritos
[edit | edit source]- Preceded by: Solar eclipse of July 30, 1935
Solar Saros 155
[edit | edit source]- Preceded by: Solar eclipse of June 17, 1928
- Followed by: Solar eclipse of July 9, 1964
Inex
[edit | edit source]- Preceded by: Solar eclipse of July 19, 1917
Triad
[edit | edit source]- Preceded by: Solar eclipse of August 28, 1859
Solar eclipses of 1942–1946
[edit | edit source]This eclipse is a member of a semester series. An eclipse in a semester series of solar eclipses repeats approximately every 177 days and 4 hours (a semester) at alternating nodes of the Moon's orbit.[3]
The partial solar eclipses on March 16, 1942 and September 10, 1942 occur in the previous lunar year eclipse set, and the partial solar eclipses on May 30, 1946 and November 23, 1946 occur in the next lunar year eclipse set.
| Solar eclipse series sets from 1942 to 1946 | ||||||
|---|---|---|---|---|---|---|
| Ascending node | Descending node | |||||
| Saros | Map | Gamma | Saros | Map | Gamma | |
| 115 | August 12, 1942 File:SE1942Aug12P.png Partial |
−1.5244 | 120 | February 4, 1943 File:SE1943Feb04T.png Total |
0.8734 | |
| 125 | August 1, 1943 File:SE1943Aug01A.png Annular |
−0.8041 | 130 | January 25, 1944 File:SE1944Jan25T.png Total |
0.2025 | |
| 135 | July 20, 1944 File:SE1944Jul20A.png Annular |
−0.0314 | 140 | January 14, 1945 File:SE1945Jan14A.png Annular |
−0.4937 | |
| 145 | July 9, 1945 File:1945Jul09T.png Total |
0.7356 | 150 | January 3, 1946 File:SE1946Jan03P.png Partial |
−1.2392 | |
| 155 | June 29, 1946 File:SE1946Jun29P.png Partial |
1.4361 | ||||
Saros 155
[edit | edit source]This eclipse is a part of Saros series 155, repeating every 18 years, 11 days, and containing 71 events. The series started with a partial solar eclipse on June 17, 1928. It contains total eclipses from September 12, 2072 through August 30, 2649; hybrid eclipses from September 10, 2667 through October 2, 2703; and annular eclipses from October 13, 2721 through May 8, 3064. The series ends at member 71 as a partial eclipse on July 24, 3190. Its eclipses are tabulated in three columns; every third eclipse in the same column is one exeligmos apart, so they all cast shadows over approximately the same parts of the Earth.
The longest duration of totality will be produced by member 14 at 4 minutes, 5 seconds on November 6, 2162, and the longest duration of annularity will be produced by member 63 at 5 minutes, 31 seconds on April 28, 3046. All eclipses in this series occur at the Moon’s ascending node of orbit.[4]
| Series members 1–16 occur between 1928 and 2200: | ||
|---|---|---|
| 1 | 2 | 3 |
| File:SE1928Jun17P.png June 17, 1928 |
File:SE1946Jun29P.png June 29, 1946 |
File:SE1964Jul09P.png July 9, 1964 |
| 4 | 5 | 6 |
| File:SE1982Jul20P.png July 20, 1982 |
File:SE2000Jul31P.png July 31, 2000 |
File:SE2018Aug11P.png August 11, 2018 |
| 7 | 8 | 9 |
| File:SE2036Aug21P.png August 21, 2036 |
File:SE2054Sep02P.png September 2, 2054 |
File:SE2072Sep12T.png September 12, 2072 |
| 10 | 11 | 12 |
| File:SE2090Sep23T.png September 23, 2090 |
File:Saros155 11van71 SE2108Oct05T.jpg October 5, 2108 |
File:Saros155 12van71 SE2126Oct16T.jpg October 16, 2126 |
| 13 | 14 | 15 |
| File:Saros155 13van71 SE2144Oct26T.jpg October 26, 2144 |
File:Saros155 14van71 SE2162Nov07T.jpg November 7, 2162 |
File:Saros155 15van71 SE2180Nov17T.jpg November 17, 2180 |
| 16 | ||
| File:Saros155 16van71 SE2198Nov28T.jpg November 28, 2198 | ||
Metonic series
[edit | edit source]The metonic series repeats eclipses every 19 years (6939.69 days), lasting about 5 cycles. Eclipses occur in nearly the same calendar date. In addition, the octon subseries repeats 1/5 of that or every 3.8 years (1387.94 days). All eclipses in this table occur at the Moon's ascending node.
Tritos series
[edit | edit source]This eclipse is a part of a tritos cycle, repeating at alternating nodes every 135 synodic months (≈ 3986.63 days, or 11 years minus 1 month). Their appearance and longitude are irregular due to a lack of synchronization with the anomalistic month (period of perigee), but groupings of 3 tritos cycles (≈ 33 years minus 3 months) come close (≈ 434.044 anomalistic months), so eclipses are similar in these groupings.
| Series members between 1801 and 1946 | ||||
|---|---|---|---|---|
| File:SE1804Aug05T.gif August 5, 1804 (Saros 142) |
File:SE1815Jul06T.gif July 6, 1815 (Saros 143) |
File:SE1826Jun05P.gif June 5, 1826 (Saros 144) |
File:SE1837May04P.gif May 4, 1837 (Saros 145) |
File:SE1848Apr03P.png April 3, 1848 (Saros 146) |
| File:SE1859Mar04P.gif March 4, 1859 (Saros 147) |
File:SE1870Jan31P.gif January 31, 1870 (Saros 148) |
File:SE1880Dec31P.gif December 31, 1880 (Saros 149) |
File:SE1891Dec01P.gif December 1, 1891 (Saros 150) |
File:SE1902Oct31P.png October 31, 1902 (Saros 151) |
| File:SE1913Sep30P.png September 30, 1913 (Saros 152) |
File:SE1924Aug30P.png August 30, 1924 (Saros 153) |
File:SE1935Jul30P.png July 30, 1935 (Saros 154) |
File:SE1946Jun29P.png June 29, 1946 (Saros 155) | |
Inex series
[edit | edit source]This eclipse is a part of the long period inex cycle, repeating at alternating nodes, every 358 synodic months (≈ 10,571.95 days, or 29 years minus 20 days). Their appearance and longitude are irregular due to a lack of synchronization with the anomalistic month (period of perigee). However, groupings of 3 inex cycles (≈ 87 years minus 2 months) comes close (≈ 1,151.02 anomalistic months), so eclipses are similar in these groupings.
| Series members between 1801 and 1946 | ||
|---|---|---|
| File:SE1801Oct07P.png October 7, 1801 (Saros 150) |
File:SE1830Sep17P.gif September 17, 1830 (Saros 151) |
File:SE1859Aug28P.gif August 28, 1859 (Saros 152) |
| File:SE1888Aug07P.gif August 7, 1888 (Saros 153) |
File:SE1917Jul19P.png July 19, 1917 (Saros 154) |
File:SE1946Jun29P.png June 29, 1946 (Saros 155) |
References
[edit | edit source]- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
External links
[edit | edit source]- Earth visibility chart and eclipse statistics Eclipse Predictions by Fred Espenak, NASA/GSFC
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