Exposure
- ID
- GRAVI.2025-11-29T00:51:48.842_1
- Header ID
- GRAVI.2025-11-29T00:51:48.842
- Date updated
- 2025-11-29 01:10:42 UTC+0000
- Release date
- 2025-11-29 00:51:48 UTC+0000
- UTC Start
- 2025-11-29 00:51:48.842
- UTC End
- 2025-11-29 00:57:08.842
- MJD Start
- 61008.03598197
- MJD End
- 61008.039685673706
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.009610500000000001
- Ambient temperature (°C)
- 15.6
- Seeing (arcsec)
- 0.555
Observation
- ID
- 71878
- Category
- calibrator
- Program ID
- 116.28VH.001
- Program Title
- INTERFEROMETRIC OBSERVATIONS OF HABITABLE WORLDS OBSERVATORY PROVISIONAL TARGETS
- Program Type
- Normal
- PI / COI
- ROETTENBACHER / MONNIER / ANUGU / BAINES / STONE / RAJAGOPAL
Target
- ID
- 53359
- Name
- HD_21665
- RA
- 52.411456
- DEC
- -6.80497
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-B5 | 48.1810 | 48.2870 | 142.8000 | 142.8000 |
| A0-J2 | 97.7890 | 100.0620 | 87.6000 | 87.8000 |
| A0-J6 | 149.5680 | 149.7750 | 4.9130 | 5.9320 |
| B5-J2 | 80.6480 | 82.4430 | 58.2000 | 59.2000 |
| B5-J6 | 188.0860 | 187.9250 | 355.0150 | 355.8120 |
| J2-J6 | 167.9140 | 167.9580 | 329.6370 | 329.7960 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 116.28VH.001 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,SINGLE |
| MJD-OBS | 61008.03598197 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 21665 |
| HIERARCH ESO INS SOBJ NAME | HD_21665 |
| RA | 52.411456 |
| DEC | -6.80497 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | COMBINED |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | A0 |
| HIERARCH ESO ISS CONF STATION2 | B5 |
| HIERARCH ESO ISS CONF STATION3 | J2 |
| HIERARCH ESO ISS CONF STATION4 | J6 |
| EXPTIME | 377.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 1.0 |
| HIERARCH ESO DET2 NDIT | 320 |
| HIERARCH ESO ISS PBL12 START | 48.181 |
| HIERARCH ESO ISS PBL12 END | 48.287 |
| HIERARCH ESO ISS PBLA12 START | 142.8 |
| HIERARCH ESO ISS PBLA12 END | 142.8 |
| HIERARCH ESO ISS PBL13 START | 97.789 |
| HIERARCH ESO ISS PBL13 END | 100.062 |
| HIERARCH ESO ISS PBLA13 START | 87.6 |
| HIERARCH ESO ISS PBLA13 END | 87.8 |
| HIERARCH ESO ISS PBL14 START | 149.568 |
| HIERARCH ESO ISS PBL14 END | 149.775 |
| HIERARCH ESO ISS PBLA14 START | 4.913 |
| HIERARCH ESO ISS PBLA14 END | 5.932 |
| HIERARCH ESO ISS PBL23 START | 80.648 |
| HIERARCH ESO ISS PBL23 END | 82.443 |
| HIERARCH ESO ISS PBLA23 START | 58.2 |
| HIERARCH ESO ISS PBLA23 END | 59.2 |
| HIERARCH ESO ISS PBL24 START | 188.086 |
| HIERARCH ESO ISS PBL24 END | 187.925 |
| HIERARCH ESO ISS PBLA24 START | 355.015 |
| HIERARCH ESO ISS PBLA24 END | 355.812 |
| HIERARCH ESO ISS PBL34 START | 167.914 |
| HIERARCH ESO ISS PBL34 END | 167.958 |
| HIERARCH ESO ISS PBLA34 START | 329.637 |
| HIERARCH ESO ISS PBLA34 END | 329.796 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.009696 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.009525 |
| HIERARCH ESO ISS AMBI TEMP | 15.6 |
| HIERARCH ESO ISS AMBI FWHM START | 0.55 |
| HIERARCH ESO ISS AMBI FWHM END | 0.56 |