HOPS 394

Number of components: 2

Lbol (L)

Tbol (K)

Class

Distance (pc)

Zone

5.7

45.5

0

392.8

OMC 2

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-394-A

05:35:24.046

-05:07:52.11

21.52 ± 1.38

7.073

0.3

2.2

0.25 x 0.13

80.7

HOPS-394-B

05:35:24.867

-05:07:54.64

9.88 ± 0.32

7.99

1.05

11.4

-

-

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-394-A

05:35:24.044

-05:07:52.1

0.239 ± 0.02

0.14

7.42

2.3

0.12 x 0.04

25

HOPS-394-B

05:35:24.867

-05:07:54.64

0.062  ± 0.01

0.05

8.01

14.1

-

-

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-394

05:35:23.928

-05:07:53.4

562.19

197.2

2.99

-

-

-

 

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-394-A

83.4 ± 10.0

40.7 ± 10.0

13.7 ± 0.9

211.6 ± 18.6

22.81

1.82

1.9 ± 0.08

-1.1 ± 0.72

HOPS-394-B

 -

-

6.3 ± 0.7

54.9 ± 6.7

-

-

2.2 ± 0.08

1.6 ± 1.01

 


Sources next/close to me: HOPS-71-B.

Same source, other names: FIR 1a, VLA 8, Source 9 (Díaz-Rodríguez et al).


 

Source Images

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

Figure 1: HOPS-394-A.

 

Figure 2: HOPS-394-B.

 

Figure 3: At west HOPS-71 and north east HOPS-394-B

 

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

Figure 4: HOPS-394.

 

Source 9

 

RA(J2000) DEC(J2000)

Decon. Size

(" x ")

Decon PA

(º)

Flux Density 2014

(mJy)

Flux Density 2015

(mJy)

Spectral Index

Nature

Evolved Stage

Other Names
5 cm 3 cm 1.3 cm 0.7 cm 5 cm
05:35:24.0458 ± 0.0009 -05:07:52.074 ± 0.014 0.35 x 0.20 16 ± 17 0.27 ± 0.03 0.23 ± 0.03 - - 0.193 ± 0.023 0.0 ± 0.6  Class 0? VLA 8, HOPS 394?

 

VLA  (5 cm, black contours) (Díaz-Rodriguez to be submitted).

Figure 5: Source 9. Superposition of the VLA A-configuration map with natural weighting at 5cm (black contours, Díaz-Rodriguez to be submitted) over ALMA emission at 870 micron (red contours, Tobin et al 2020).