HOPS 400

Number of components: 2

Lbol (L)

Tbol (K)

Class

Distance (pc)

Zone

2.9

35.0

0

415.4

NGC 2023/24

ALMA 0.87 mm

Source

RA (J2000)

DEC (J2000)

Integrated Flux Density

(mJy)

Peak Intensity

(mJy/beam)

RMS

(mJy/beam)

ΔΦA

(")

Decon. Size

(")

Decon. PA

(º)

HOPS-400-A

05:42:45.246

-01:16:13.62

123.1 ± 5.5

59.74

1.54

0.6

0.14 x 0.13

100.2

HOPS-400-B

05:42:45.257

-01:16:14.03

602.8 ± 16.49

38.24

1.53

0.4

0.44 x 0.41

18.5

VLA 9 mm

Source

RA (J2000)

DEC (J2000)

Integrated Flux Density

(mJy)

Peak Intensity

(mJy/beam)

RMS

(µJy/beam)

ΔΦV

(")

Decon. Size

(")

Decon. PA

(º)

HOPS-400-A

05:42:45.244

-01:16:13.64

0.65 ± 0.01

0.45

5.4

0.6

0.05 x 0.05

49.0

HOPS-400-B

05:42:45.260

-01:16:14.09

2.02 ± 0.05

0.25

5.4

0.4

0.26 x 0.24

16.6

ACA 0.87 mm

Source

RA

(J2000)

DEC

(J2000)

Integrated Flux Density

(mJy)

Peak Intensity

(mJy/beam)

RMS

(mJy/beam)

ΔΦV

(")

Decon. Size

(")

Decon. PA

(º)

HOPS-400

05:42:45.24

-01:16:14.16

1173.57

910.03

16.25

-

-

-

 

ALMA and VLA Derived Parameters

Source

R2σ, ALMA

(au)

R2σ, VLA

(au)

MD, ALMA

(M)

MD, VLA

(M)

QALMA

QVLA

Spectral Index

(0.87 – 9 mm)

Spectral Index

(8.1 -10 mm)

HOPS-400-A

48.7 ± 10.0

18.7 ± 10.0

106.6 ± 4.7

764.1 ± 15.3

4.09

0.68

2.2 ± 0.06

2.3 ± 0.17

HOPS-400-B

154.2 ± 10.0

90.7 ± 10.0

521.9 ± 14.2

2385.4 ± 61.3

0.61

0.17

2.4 ± 0.06

3.2 ± 0.23

 


Sources next/close to me: -

Same source, other names: -


 

Source Images

Left: ALMA (0.87 mm), Right: VLA (9 mm) (Tobin et al. 2020).

Figure 1: HOPS-400-A at north west and HOPS-400-B at south east.

 

ACA (0.87 mm) (Federman et al. 2022).

Figure 2: HOPS-400.