HOPS 70

Number of components: 5

Lbol (L⊙)

Tbol (K)

Class

Distance (pc)

Zone

6.0

619.3

Flat

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-70-A-A

05:35:22.406

-05:08:05.14

35.89 ± 0.54

28.45

0.26

0.4

0.05 x 0.05

13.4

HOPS-70-A-B

 05:35:22.426 -05:08:05.03 3.37 ± 0.54 2.73 0.26 0.3 - -

HOPS-70-B-A

 - - ≤ 0.77 ≤ 0.77 0.31 4.6 - -

HOPS-70-B-B

 05:35:22.571 -05:08:00.32 7.89 ± 0.53 6.43 0.32 5.1 0.07 x 0.03 51.2

HOPS-70-C

05:35:21.938

-05:08:04.58

8.63 ± 0.84

3.77

0.40

7.1

0.17 x 0.07

78.3

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-70-A-A

05:35:22.406

-05:08:05.14

0.29 ± 0.02

0.22

9.64

25.5

0.05 x 0.04

72.2

HOPS-70-A-B

05:35:22.426

-05:08:05.03

0.04 ± 0.01

0.03

9.57

25.2

0.03 x 0.01

104.4
HOPS-70-B-A 05:35:22.562

-05:08:00.72

 0.13 ± 0.01 0.12 8.93 21.6 0.03 x 0.01 104.4
HOPS-70-B-B 05:35:22.571

-05:08:00.32

  0.07 ± 0.01 0.06 8.90 21.4 0.03 x 0.01 104.4
HOPS-70-C 05:35:21.938

-05:08:04.58

 ≤ 0.03 ≤ 0.03 16.90 31.7 - -

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-70

05:35:22.416

-05:08:04.92

98.48

41.04

4.4

-

-

-

 

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-70-A-A

17.3 ± 10.0

16.3 ± 10.0

22.5 ± 0.3

253.4 ± 19.3

19.3

19.84

2.1 ± 0.07

3.1 ± 0.48

HOPS-70-A-B

-

 10.0 ± 10.0

2.1 ± 0.3

33.2 ± 9.0

-

14.506

1.9 ± 0.13

2.2 ± 1.46

HOPS-70-B-A

 -  10.0 ± 10.0 ≤ 0.6 110.1 ± 8.4 - 4.375 - -0.6 ± 0.67

HOPS-70-B-B

 22.7 ± 10.0  10.0 ± 10.0 4.9 ± 0.4 62.0 ± 8.4 85.19 7.76 2.0 ± 0.08 2.4 ± 0.97

HOPS-70-C

 56.0 ± 10.0 - 5.4 ± 0.8 ≤ 29.4 63.010 -  - -

 

Sources next/close to me: -

Same source, other names: Source 12 (Díaz-Rodríguez et al).

 

Source Images

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

Figure 1: HOPS-70-A-B at south west and HOPS-B-A at north east.

 

Figure 2: HOPS-70-A-B at north east and HOPS-70-A-A at west.

 

Figure 3: HOPS-70-B-B at north and HOPS-B-A at south.

 

Figure 4: HOPS-70-A-B at north east, HOPS-70-B-A at south east and HOPS-70-C at west.

 

Figure 5: HOPS-70-C.

 

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

Figure 6: HOPS-70.

 

 

Source 12

 

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
05:35:22.5628 ± 0.0007 -05:08:00.741 ± 0.011 0.28 x 0.16 45 ± 17 0.063 ± 0.013 0.066 ± 0.016 - - 0.26 ± 0.03 0.1 ± 0.6  Class I/II? -

 

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

Figure 7: Source 12. 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).