Exposure
- ID
- GRAVI.2025-11-28T01:10:05.667_1
- Header ID
- GRAVI.2025-11-28T01:10:05.667
- Date updated
- 2025-11-28 01:20:59 UTC+0000
- Release date
- 2025-11-28 01:10:05 UTC+0000
- UTC Start
- 2025-11-28 01:10:05.667
- UTC End
- 2025-11-28 01:15:25.667
- MJD Start
- 61007.0486767
- MJD End
- 61007.0523804037
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0064445
- Ambient temperature (°C)
- 15.57
- Seeing (arcsec)
- 0.635
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 | 48.4020 | 48.4780 | 142.8000 | 142.9000 |
| A0-J2 | 102.8550 | 104.9570 | 88.1000 | 88.3000 |
| A0-J6 | 150.0920 | 150.3830 | 7.2230 | 8.2240 |
| B5-J2 | 84.6910 | 86.4160 | 60.3000 | 61.1000 |
| B5-J6 | 187.7580 | 187.6610 | 356.8350 | 357.6400 |
| J2-J6 | 167.9680 | 167.9400 | 330.0270 | 330.2290 |
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 | 61007.0486767 |
| 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 | 48.402 |
| HIERARCH ESO ISS PBL12 END | 48.478 |
| HIERARCH ESO ISS PBLA12 START | 142.8 |
| HIERARCH ESO ISS PBLA12 END | 142.9 |
| HIERARCH ESO ISS PBL13 START | 102.855 |
| HIERARCH ESO ISS PBL13 END | 104.957 |
| HIERARCH ESO ISS PBLA13 START | 88.1 |
| HIERARCH ESO ISS PBLA13 END | 88.3 |
| HIERARCH ESO ISS PBL14 START | 150.092 |
| HIERARCH ESO ISS PBL14 END | 150.383 |
| HIERARCH ESO ISS PBLA14 START | 7.223 |
| HIERARCH ESO ISS PBLA14 END | 8.224 |
| HIERARCH ESO ISS PBL23 START | 84.691 |
| HIERARCH ESO ISS PBL23 END | 86.416 |
| HIERARCH ESO ISS PBLA23 START | 60.3 |
| HIERARCH ESO ISS PBLA23 END | 61.1 |
| HIERARCH ESO ISS PBL24 START | 187.758 |
| HIERARCH ESO ISS PBL24 END | 187.661 |
| HIERARCH ESO ISS PBLA24 START | 356.835 |
| HIERARCH ESO ISS PBLA24 END | 357.64 |
| HIERARCH ESO ISS PBL34 START | 167.968 |
| HIERARCH ESO ISS PBL34 END | 167.94 |
| HIERARCH ESO ISS PBLA34 START | 330.027 |
| HIERARCH ESO ISS PBLA34 END | 330.229 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006128 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006761 |
| HIERARCH ESO ISS AMBI TEMP | 15.57 |
| HIERARCH ESO ISS AMBI FWHM START | 0.67 |
| HIERARCH ESO ISS AMBI FWHM END | 0.6 |