HOPS 18

Number of components: 1

Lbol (L)

Tbol (K)

Class

Distance (pc)

Zone

1.2

71.8

I

389.3

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-18

05:35:05.515

-05:51:54.42

35.09 ± 1.33

12.96

0.35

0.4

0.27 x 0.07

161.4

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-18

05:35:05.511

-05:51:54.45

0.22 ± 0.02

0.12

7.1

0.4

0.09 x 0.07

86.9

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-18

05:35:05.496

-05:51:54.36

78.78

41.91

2.87

-

-

-

 

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-18

89.2 ± 10.0

28.8 ± 10.0

34.3 ± 1.3

284.5 ± 29.6

13.99

2.13

2.2 ± 0.08

0.4 ± 0.86

 


Sources next/close to me: -

Same source, other names: -


 

Source Images

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

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

Figure 1: HOPS-18.