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Cosmology/Astronomy > Constellations > Flashcards

Constellations Flashcards

1
Q

The constellation of Andromeda was named by who and after which figure?

A

It was named by the second-century Greco-Roman astronomer Ptolemy, after Andromeda, daughter of Cassiopeia, who in Greek myth was chained to a rock to be eaten by the sea monster Cetus.

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2
Q

Andromeda is most prominent:

A

during autumn evenings in the Northern Hemisphere.

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3
Q

Andromeda is only visible:

A

north of 40° south latitude.

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4
Q

What is the area of the Andromeda constellation?

A

722 square degrees

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5
Q

What is the constellation Andromeda’s brightest star?

A

Alpha Andromedae (Alpheratz)

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6
Q

What is the apparent magnitude of Alpha Andromedae?

A

2.07 m

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7
Q

Declination of the Andromeda constellation:

A

37°

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8
Q

Quadrant of Andromeda:

A

NQ1

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9
Q

Main stars of Andromeda:

A

16

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10
Q

Bayer/Flamsteed stars of Andromeda:

A

65

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11
Q

Stars with planets in the Andromeda constellation:

A

12

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12
Q

Stars brighter than 3.00m in Andromeda:

A

3

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13
Q

Stars within 10.00 pc (32.62 ly) in Andromeda:

A

3

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14
Q

Nearest star in Andromeda?

A

Ross 248 (10.30 ly, 3.16 pc)

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15
Q

Messier objects in Andromeda?

A

3

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16
Q

Bordering constellations of Andromeda?

A
  1. Perseus
  2. Cassiopeia
  3. Lacerta
  4. Pegasus
  5. Pisces
  6. Triangulum
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17
Q

What are the other names for Alpha Andromedae?

A

Alpheratz and Sirrah

18
Q

What are the characteristics of Alpha Andromedae?

A 
It is an A0p class binary star with an overall apparent visual magnitude of 2.1 and a luminosity of 96 L☉.
It is 97 light-years from Earth.
19
Q

What are the notable stars within the Andromeda constellation?

A
  1. Alpha Andromedae
  2. Beta Andromedae
  3. Gamma Andromedae
  4. Delta Andromedae
  5. Iota Andromedae
  6. Mu Andromedae
  7. Upsilon Andromedae
  8. Xi Andromedae
  9. Pi Andromedae
  10. 51 Andromedae
  11. 56 Andromedae
  12. R Andromedae
  13. Z Andromedae
  14. Ross 248
  15. 14 Andromedae
20
Q

What is another name for Beta Andromedae?

A

Mirach

21
Q

What are the characteristics of Beta Andromedae?

A

It is a red-hued giant star of type M0 located in an asterism known as the “girdle.”
It is 198 light-years away, has a magnitude of 2.06, and a luminosity of 115 L☉.

22
Q

What is another name for Gamma Andromedae?

A

Almach

23
Q

What are the characteristics of Gamma Andromedae?

A

It is an orange-hued bright giant star of type K3 with an overall magnitude of 2.14. It is a multiple star with a yellow primary of magnitude 2.3 and a blue-green secondary of magnitude 5.0, separated by 9.7 arcseconds.
It is 358 light-years away.

24
Q

What are the characteristics of Delta Andromedae?

A

It is an orange-hued giant star of type K3 orange giant of magnitude 3.3.
It is 105 light-years from Earth.

25
Q

What are the characteristics of Iota Andromedae?

A

Iota Andromedae, along with Kappa Andromedae, Lambda Andromedae, Omicron Andromedae, and Psi Andromedae form an asterism known as “Frederick’s Glory”, a name derived from former constellation Frederici Honores.
Iota Andromedae is a blue-white hued main-sequence star of type B8, 502 light-years from Earth.

26
Q

What are the characteristics of Kappa Andromedae?

A

It is a white-hued main-sequence star of type A0, 168 light-years from Earth.

27
Q

What are the characteristics of Lambda Andromedae?

A

It is a yellow-hued giant star of type G8, 86 light-years from Earth.

28
Q

What are the characteristics of Omicron Andromedae?

A

It is a blue-white hued giant star of type B6, 679 light-years from Earth.

29
Q

What are the characteristics of Psi Andromedae?

A

It is a blue-white hued main sequence star of type B7, 988 light-years from Earth.

30
Q

What are the characteristics of Mu Andromedae?

A

It is a white-hued main-sequence star of type A5 and magnitude 3.9.
It is 130 light-years away.

31
Q

What are the characteristics of Upsilon Andromedae?

A

It is a magnitude 4.1 binary system that consists of one F-type dwarf and an M-type dwarf. The primary star has a planetary system with four confirmed planets, 0.96 times, 14.57 times, 10.19 times, and 1.06 times the mass of Jupiter.
The system is 44 light-years from Earth.

32
Q

What is another name for Xi Andromedae?

A

Adhil

33
Q

What are the characteristics of Xi Andromedae?

A

It is a binary star 217 light-years away. The primary is an orange-hued giant star of type K0.

34
Q

What are the characteristics of Pi Andromedae?

A

It is a blue-white hued binary star of magnitude 4.3 that is 598 light-years away. The primary is a main-sequence star of type B5. Its companion star is of magnitude 8.9.

35
Q

What are the characteristics of 51 Andromedae?

A

It is 177 light-years from Earth and is an orange-hued giant star of type K3.

36
Q

What are the characteristics of 56 Andromedae?

A

It is an optical binary star. The primary is a yellow-hued giant star of type K0 with an apparent magnitude of 5.7 that is 316 light-years away. The secondary is an orange-hued giant star of type K0 and magnitude 5.9 that is 990 light-years from Earth.

37
Q

What are the characteristics of R Andromedae?

A

It is a Mira-type variable star with a period of 409 days. Its maximum magnitude is 5.8 and its minimum magnitude is 14.8, and it is at a distance of 1250 light-years. There are 6 other Mira variables in Andromeda.

38
Q

What are the characteristics of Z Andromedae?

A

It is the M-type prototype for its class of variable stars. It ranges in magnitude from a minimum of 12.4 to a maximum of 8.0. It is 2720 light-years away.

39
Q

What is another name for Ross 248?

A

HH Andromedae

40
Q

What are the characteristics of Ross 248?

A

It is the ninth closest star to Earth at a distance of 10.3 light-years. It is a red-hued main-sequence BY Draconis variable star of type M6.

41
Q

What are the characteristics of 14 Andromedae?

A

It is a yellow-hued giant star of type G8 that is 251 light-years away. It has a mass of 2.2 M☉ and a radius of 11 R☉.
It has one planet, 14 Andromedae b.
It orbits at a distance of 0.83 AU from its parent star every 186 days and has a mass of 4.3 MJ (Jupiter mass).

42
Q

What are the most notable bodies/deep-sky objects located in the Andromeda constellation?

A
  1. Andromeda Galaxy (M31)
  2. M110
  3. M32
  4. NGC 891
  5. Blue Snowball Nebula

Cosmology/Astronomy (5 decks)

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