HOPS 66
Number of sources: 2 |
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Lbol (L⊙) |
Tbol (K) |
Class |
Distance (pc) |
Zone |
||||
18.3 |
264.9 |
Flat |
392.8 |
OMC 2 |
||||
ALMA 0.87 mm |
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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 |
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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 |
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Source |
||||||||
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) | 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) | 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).