HOPS 28

Number of components: 2

Lbol (L)

Tbol (K)

Class

Distance (pc)

Zone

0.4

46.3

0

390.6

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-28-A

05:34:47.320

-05:41:56.08

10.10 ± 0.73

4.57

0.23

0.5

0.16 x 0.06

54.0

HOPS-28-B

05:34:47.303

-05:41:56.29

2.62 ± 0.48

2.22

0.23

0.5

0.08 x 0.01

67.3

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-28-A

05:34:47.321

-05:41:56.11

0.03 ± 0.01

0.03

7.9

0.5

-

-

HOPS-28-B

05:34:47.303

-05:41:56.29

≤ 0.02

≤ 0.02

7.0

0.5

-

-

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-28

05:34:47.304

-05:41:56.04

23.74

23.74

3.92

-

-

-

 

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-28-A

52.4 ± 10.0

-

13.7 ± 1.0

44.0 ± 11.9

55.468

-

2.6 ± 0.13

4.4 ± 3.6

HOPS-28-B

25.2 ± 10.0

-

3.6 ± 0.7

≤ 35.6

253.75

-

-

-

 


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 north east HOPS-28-A and south west HOPS-28-B.

 

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

Figure 2: HOPS-28.