HOPS 66

Number of sources: 2

Lbol (L)

Tbol (K)

Class

Distance (pc)

Zone

18.3

264.9

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-66-A

05:35:26.857

-05:09:24.40

43.31 ± 0.57

35.97

0.28

0.3

0.05 x 0.04

47

HOPS-66-B

05:35:26.927

-05:09:22.43

34.62 ± 1.10

12.56

0.29

2.5

0.17 x 0.12

165.8

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-66-A

05:35:26.857

-05:09:24.40

0.29 ± 0.01

0.25

7.96

14.7

 -

-

HOPS-66-B

05:35:26.927

-05:09:22.41

0.08 ± 0.01

0.07

8.01

15.2

-

-

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-66

05:35:26.832

-05:09:24.48

1000.27

298.39

8.67

-

-

-

 

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-66-A

16.7 ± 10.0

 -

19.9 ± 0.3

193.4 ± 10.1

16.58

-

2.1 ± 0.06

1.3 ± 0.41

HOPS-66-B

58.0 ± 10.0

 -

15.9 ± 0.5

51.5 ± 9.4

15.57

-

2.6 ± 0.09

0.5 ± 1.4

 


Sources next/close to me: -

Same source, other names: Source 24 and 25 (Díaz-Rodríguez et al).


 

Source Images

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

Figure 1: At south west HOPS-66-A and north east HOPS-66-B.

 

Figure 2: HOPS-66-A.

 

Figure 3: HOPS-66-B.

 

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

Figure 4: HOPS-66.

 

Source 24

 

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
05:35:26.9293 ± 0.0016 -05:09:22.408 ± 0.024 0.26 x 0.24 175 ± 86 < 0.14 < 0.25 0.058 ± 0.014 <  0.14 0.040 ± 0.007 0.29 ± 0.24  YSO: Young Stellar Object HOPS 66

 

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

Figure 5: Source 24. 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).

 

Source 25

 

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
05:35:26.8588 ± 0.0010 -05:09:24.387 ± 0.015 0.36 x 0.06 106 ± 2 < 0.14 < 0.25 0.20 ± 0.03 0.26 ± 0.07 0.088 ± 0.011 0.57 ± 0.07  Flat Spectrum Source HOPS 66

 

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

Figure 6: Source 25. 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).