HOPS 20

Number of components: 2

Lbol (L)

Tbol (K)

Class

Distance (pc)

Zone

1.1

94.8

I

389.1

OMC 1/ONC

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-20-A

05:33:30.704

-05:50:41.29

6.71 ± 0.46

6.01

0.23

0.2

0.05 x 0.03

59.5

HOPS-20-B

-

-

≤ 0.70

≤ 0.70

0.23

0.2

-

-

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-20-A

05:33:30.705

-05:50:41.29

0.07 ± 0.01

0.07

6.9

0.2

-

-

HOPS-20-B

05:33:30.712

-05:50:41.26

0.02 ± 0.01

0.03

6.9

0.3

-

-

ACA 0.87 mm

Source

RA

(J2000)

DEC

(J2000)

Integrated Flux Density

(mJy)

Peak Intensity

(mJy/beam)

Mean RMS

(mJy/beam)

ΔΦV

(")

Decon. Size

(")

Decon. PA

(º)

HOPS-20

05:33:30.72

-05:50:40.92

96.54

35.22

3.16

-

-

-

 

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-20-A

17.2 ± 10.0

-

6.8 ± 0.5

92.1 ± 9.3

108.48

-

2.0 ± 0.08

3.6 ± 0.95

HOPS-20-B

-

-

≤ 0.70

29.4 ± 9.3

-

-

-

5.9 ± 3.78

 


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: At west HOPS-20-A and east HOPS-20-B.

 

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

Figure 2: HOPS-20.