Exposure
- ID
- GRAVI.2025-04-09T09:18:56.163_1
- Header ID
- GRAVI.2025-04-09T09:18:56.163
- Date updated
- 2025-04-09 09:30:44 UTC+0000
- Release date
- 2025-04-09 09:18:56 UTC+0000
- UTC Start
- 2025-04-09 09:18:56.163
- UTC End
- 2025-04-09 09:21:36.163
- MJD Start
- 60774.38815004
- MJD End
- 60774.39000189186
- Exposure time (s)
- 160.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004101
- Ambient temperature (°C)
- 14.02
- Seeing (arcsec)
- 1.0
Observation
- ID
- 66157
- Category
- calibrator
- Program ID
- 115.28E1.001
- Program Title
- A CLOSER LOOK AT THE ENVIRONMENTS OF LATE-TYPE CARBON-RICH WOLF-RAYET STARS
- Program Type
- Normal
- PI / COI
- DESHMUKH / SANA / SANDER / SHENAR / MÉRAND / FROST / LEFEVER
Target
- ID
- 49252
- Name
- HD164997
- RA
- 271.310254
- DEC
- -32.26052
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.3250 | 56.3010 | 24.2000 | 24.5000 |
| U1-U3 | 102.1270 | 102.0820 | 30.5000 | 30.8000 |
| U1-U4 | 130.2050 | 130.1900 | 58.2840 | 58.6750 |
| U2-U3 | 46.5580 | 46.5380 | 38.1000 | 38.5000 |
| U2-U4 | 89.3360 | 89.3740 | 78.9860 | 79.3860 |
| U3-U4 | 62.0940 | 62.1610 | 108.3520 | 108.7260 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.28E1.001 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,SINGLE |
| MJD-OBS | 60774.38815004 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 164997 |
| HIERARCH ESO INS SOBJ NAME | HD164997 |
| RA | 271.310254 |
| DEC | -32.26052 |
| HIERARCH ESO INS SPEC RES | HIGH |
| 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 | 178.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 16 |
| HIERARCH ESO ISS PBL12 START | 56.325 |
| HIERARCH ESO ISS PBL12 END | 56.301 |
| HIERARCH ESO ISS PBLA12 START | 24.2 |
| HIERARCH ESO ISS PBLA12 END | 24.5 |
| HIERARCH ESO ISS PBL13 START | 102.127 |
| HIERARCH ESO ISS PBL13 END | 102.082 |
| HIERARCH ESO ISS PBLA13 START | 30.5 |
| HIERARCH ESO ISS PBLA13 END | 30.8 |
| HIERARCH ESO ISS PBL14 START | 130.205 |
| HIERARCH ESO ISS PBL14 END | 130.19 |
| HIERARCH ESO ISS PBLA14 START | 58.284 |
| HIERARCH ESO ISS PBLA14 END | 58.675 |
| HIERARCH ESO ISS PBL23 START | 46.558 |
| HIERARCH ESO ISS PBL23 END | 46.538 |
| HIERARCH ESO ISS PBLA23 START | 38.1 |
| HIERARCH ESO ISS PBLA23 END | 38.5 |
| HIERARCH ESO ISS PBL24 START | 89.336 |
| HIERARCH ESO ISS PBL24 END | 89.374 |
| HIERARCH ESO ISS PBLA24 START | 78.986 |
| HIERARCH ESO ISS PBLA24 END | 79.386 |
| HIERARCH ESO ISS PBL34 START | 62.094 |
| HIERARCH ESO ISS PBL34 END | 62.161 |
| HIERARCH ESO ISS PBLA34 START | 108.352 |
| HIERARCH ESO ISS PBLA34 END | 108.726 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004101 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004101 |
| HIERARCH ESO ISS AMBI TEMP | 14.02 |
| HIERARCH ESO ISS AMBI FWHM START | 1.0 |
| HIERARCH ESO ISS AMBI FWHM END | 1.0 |