CTA 1 (SNR G119.5+10.2) and NGC 40 (pete_xl)

Celestial hemisphere: Northern · Constellation: Cepheus (Cep) · Contains: NGC 40 · PGC 136931 · PGC 136932 · PGC 136943 · PGC 136945 · PGC 136961 · PGC 136964 · PGC 136965 · PGC 136989 · PGC 137000 · PGC 166382 · PGC 166383 · PGC 2743102 · PGC 2749151 · PGC 2751592 · PGC 2751803 · PGC 2752039 · PGC 2753048 · PGC 2754927 · PGC 2755980 · PGC 2756060 · PGC 2756155 · PGC 2756201 · PGC 2756527 · PGC 2756612 · PGC 2757132 · PGC 2757337 · PGC 2758004 · PGC 2758163 · PGC 2758554 · And 6 more.

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CTA 1 (SNR G119.5+10.2) and NGC 40

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CTA 1 (SNR G119.5+10.2) and NGC 40

The supernova remnant CTA 1, also known as SNR G119.5+10.2, is located in the constellation Cepheus and was discovered as a radio source in 1960 by D. E. Harris and J. A. Roberts. This remnant is the result of a supernova explosion that occurred about 10,000 years ago. At the center of CTA 1 is the gamma-ray pulsar PSR J0007.0+7303, which has a period of 316.86 milliseconds. This pulsar is remarkable because it does not emit radio pulses but pulses in high-energy gamma radiation. The supernova remnant spans a diameter of about 100 arcminutes and can be identified as a faintly glowing nebula.

The image also shows the planetary nebula NGC 40, also known as the Bow-Tie Nebula which overlaps with CTA 1. NGC 40 was discovered by William Herschel on November 25, 1788. The nebula has an apparent magnitude of 12.3 and an angular size of 1.23 arcminutes. The central star of NGC 40, a white dwarf, has a temperature of about 50,000 degrees Celsius and a mass of about 0.7 solar masses. The surrounding gases of the nebula have a temperature of about 10,000 degrees Celsius and expand at a speed of about 29 km/s. The age of NGC 40 is estimated to be around 4,500 years. A separate image of NGC 40 that was generated from the same dataset using a 3 x drizzle factor is featured in revision E.

Original
E
Final
F

E

Title: NGC 40

Description: Tight Crop with NGC 40 made from the same dataset in a separate integration using a 3 x drizzle factor.

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Status	Advanced success
Started	...
PixInsight job	09X0F7SH0CRU2MW4TR4UJSJ8Z99AB6BQ
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	00h07m21s.60
RA (top/left)	23h50m57s.70
RA (top/right)	23h53m30s.70
RA (bottom/right)	00h20m48s.96
RA (bottom/left)	00h24m12s.20

Dec (center)	+73°03′40″.0
Dec (top/left)	+74°44′52″.4
Dec (top/right)	+71°19′33″.1
Dec (bottom/right)	+71°18′29″.8
Dec (bottom/left)	+74°43′35″.1

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CTA 1 (SNR G119.5+10.2) and NGC 40

CTA 1 (SNR G119.5+10.2) and NGC 40

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CTA 1 (SNR G119.5+10.2) and NGC 40

CTA 1 (SNR G119.5+10.2) and NGC 40

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