Exposure
- ID
- GRAVI.2025-02-12T08:46:50.829_1
- Header ID
- GRAVI.2025-02-12T08:46:50.829
- Date updated
- 2025-02-12 09:00:37 UTC+0000
- Release date
- 2026-02-12 09:00:37 UTC+0000
- UTC Start
- 2025-02-12 08:46:50.829
- UTC End
- 2025-02-12 08:52:26.829
- MJD Start
- 60718.36586608
- MJD End
- 60718.36975496889
- Exposure time (s)
- 336.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.009316999999999999
- Ambient temperature (°C)
- 12.36
- Seeing (arcsec)
- 0.595
Observation
- ID
- 63989
- Category
- science
- Program ID
- 114.273X.001
- Program Title
- THE ORIGIN OF MULTIPLICITY IN HIGH-MASS STAR FORMATION
- Program Type
- Normal
- PI / COI
- KRAUS / BATE
Target
- ID
- 47657
- Name
- AFGL4176
- RA
- 205.752526
- DEC
- -62.14839
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 47.5710 | 47.3770 | 30.3000 | 31.2000 |
| U1-U3 | 88.3380 | 87.9440 | 37.2000 | 38.2000 |
| U1-U4 | 124.7710 | 124.3480 | 63.9540 | 65.2070 |
| U2-U3 | 41.5120 | 41.3230 | 45.1000 | 46.2000 |
| U2-U4 | 89.1820 | 89.0940 | 81.1620 | 82.4990 |
| U3-U4 | 60.7370 | 60.9070 | 104.8690 | 106.1700 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 114.273X.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,SINGLE |
| MJD-OBS | 60718.36586608 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | RAFGL 4176 |
| HIERARCH ESO INS SOBJ NAME | AFGL4176 |
| RA | 205.752526 |
| DEC | -62.14839 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | COMBINED |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 365.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 3.0 |
| HIERARCH ESO DET2 NDIT | 112 |
| HIERARCH ESO ISS PBL12 START | 47.571 |
| HIERARCH ESO ISS PBL12 END | 47.377 |
| HIERARCH ESO ISS PBLA12 START | 30.3 |
| HIERARCH ESO ISS PBLA12 END | 31.2 |
| HIERARCH ESO ISS PBL13 START | 88.338 |
| HIERARCH ESO ISS PBL13 END | 87.944 |
| HIERARCH ESO ISS PBLA13 START | 37.2 |
| HIERARCH ESO ISS PBLA13 END | 38.2 |
| HIERARCH ESO ISS PBL14 START | 124.771 |
| HIERARCH ESO ISS PBL14 END | 124.348 |
| HIERARCH ESO ISS PBLA14 START | 63.954 |
| HIERARCH ESO ISS PBLA14 END | 65.207 |
| HIERARCH ESO ISS PBL23 START | 41.512 |
| HIERARCH ESO ISS PBL23 END | 41.323 |
| HIERARCH ESO ISS PBLA23 START | 45.1 |
| HIERARCH ESO ISS PBLA23 END | 46.2 |
| HIERARCH ESO ISS PBL24 START | 89.182 |
| HIERARCH ESO ISS PBL24 END | 89.094 |
| HIERARCH ESO ISS PBLA24 START | 81.162 |
| HIERARCH ESO ISS PBLA24 END | 82.499 |
| HIERARCH ESO ISS PBL34 START | 60.737 |
| HIERARCH ESO ISS PBL34 END | 60.907 |
| HIERARCH ESO ISS PBLA34 START | 104.869 |
| HIERARCH ESO ISS PBLA34 END | 106.17 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.010043 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008591 |
| HIERARCH ESO ISS AMBI TEMP | 12.36 |
| HIERARCH ESO ISS AMBI FWHM START | 0.57 |
| HIERARCH ESO ISS AMBI FWHM END | 0.62 |